feat: add appointment calendar frontend (Phase 1H)

- /termine page with list/calendar view toggle - AppointmentList: date-grouped list with type/case filtering, summary cards - AppointmentCalendar: month grid with colored type dots, clickable days/appointments - AppointmentModal: create/edit/delete with case linking, type selection, location
feat: add AI extraction frontend page (Phase 2M)
2026-03-25 14:00:56 +01:00 · 2026-03-25 13:54:49 +01:00 · 2026-03-25 13:54:35 +01:00 · 2026-03-25 13:54:23 +01:00 · 2026-03-25 13:54:13 +01:00 · 2026-03-25 13:53:12 +01:00
51 changed files with 4835 additions and 45 deletions
--- a/.env.example
+++ b/.env.example
@@ -7,6 +7,7 @@ PORT=8080
 # Supabase (required for database access)
 SUPABASE_URL=
 SUPABASE_ANON_KEY=
+SUPABASE_SERVICE_KEY=

 # Claude API (required for AI features)
 ANTHROPIC_API_KEY=
--- a/backend/cmd/server/main.go
+++ b/backend/cmd/server/main.go
@@ -23,7 +23,7 @@ func main() {
 	defer database.Close()

 	authMW := auth.NewMiddleware(cfg.SupabaseJWTSecret, database)
-	handler := router.New(database, authMW)
+	handler := router.New(database, authMW, cfg)

 	log.Printf("Starting KanzlAI API server on :%s", cfg.Port)
 	if err := http.ListenAndServe(":"+cfg.Port, handler); err != nil {
--- a/backend/go.mod
+++ b/backend/go.mod
@@ -3,8 +3,14 @@ module mgit.msbls.de/m/KanzlAI-mGMT
 go 1.25.5

 require (
+	github.com/anthropics/anthropic-sdk-go v1.27.1 // indirect
 	github.com/golang-jwt/jwt/v5 v5.3.1 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/jmoiron/sqlx v1.4.0 // indirect
 	github.com/lib/pq v1.12.0 // indirect
+	github.com/tidwall/gjson v1.18.0 // indirect
+	github.com/tidwall/match v1.1.1 // indirect
+	github.com/tidwall/pretty v1.2.1 // indirect
+	github.com/tidwall/sjson v1.2.5 // indirect
+	golang.org/x/sync v0.16.0 // indirect
 )
--- a/backend/go.sum
+++ b/backend/go.sum
@@ -1,4 +1,6 @@
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/anthropics/anthropic-sdk-go v1.27.1 h1:7DgMZ2Ng3C2mPzJGHA30NXQTZolcF07mHd0tGaLwfzk=
+github.com/anthropics/anthropic-sdk-go v1.27.1/go.mod h1:qUKmaW+uuPB64iy1l+4kOSvaLqPXnHTTBKH6RVZ7q5Q=
 github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
 github.com/golang-jwt/jwt/v5 v5.3.1 h1:kYf81DTWFe7t+1VvL7eS+jKFVWaUnK9cB1qbwn63YCY=
 github.com/golang-jwt/jwt/v5 v5.3.1/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
@@ -10,3 +12,15 @@ github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/lib/pq v1.12.0 h1:mC1zeiNamwKBecjHarAr26c/+d8V5w/u4J0I/yASbJo=
 github.com/lib/pq v1.12.0/go.mod h1:/p+8NSbOcwzAEI7wiMXFlgydTwcgTr3OSKMsD2BitpA=
 github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
+github.com/tidwall/gjson v1.14.2/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/gjson v1.18.0 h1:FIDeeyB800efLX89e5a8Y0BNH+LOngJyGrIWxG2FKQY=
+github.com/tidwall/gjson v1.18.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
+github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
+github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
+github.com/tidwall/pretty v1.2.1 h1:qjsOFOWWQl+N3RsoF5/ssm1pHmJJwhjlSbZ51I6wMl4=
+github.com/tidwall/pretty v1.2.1/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
+github.com/tidwall/sjson v1.2.5 h1:kLy8mja+1c9jlljvWTlSazM7cKDRfJuR/bOJhcY5NcY=
+github.com/tidwall/sjson v1.2.5/go.mod h1:Fvgq9kS/6ociJEDnK0Fk1cpYF4FIW6ZF7LAe+6jwd28=
+golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
+golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
--- a/backend/internal/config/config.go
+++ b/backend/internal/config/config.go
@@ -6,12 +6,13 @@ import (
 )

 type Config struct {
-	Port             string
-	DatabaseURL      string
-	SupabaseURL      string
-	SupabaseAnonKey  string
+	Port              string
+	DatabaseURL       string
+	SupabaseURL       string
+	SupabaseAnonKey   string
+	SupabaseServiceKey string
 	SupabaseJWTSecret string
-	AnthropicAPIKey  string
+	AnthropicAPIKey   string
 }

 func Load() (*Config, error) {
@@ -19,7 +20,8 @@ func Load() (*Config, error) {
 		Port:             getEnv("PORT", "8080"),
 		DatabaseURL:      os.Getenv("DATABASE_URL"),
 		SupabaseURL:      os.Getenv("SUPABASE_URL"),
-		SupabaseAnonKey:  os.Getenv("SUPABASE_ANON_KEY"),
+		SupabaseAnonKey:   os.Getenv("SUPABASE_ANON_KEY"),
+		SupabaseServiceKey: os.Getenv("SUPABASE_SERVICE_KEY"),
 		SupabaseJWTSecret: os.Getenv("SUPABASE_JWT_SECRET"),
 		AnthropicAPIKey:  os.Getenv("ANTHROPIC_API_KEY"),
 	}
--- a/backend/internal/handlers/ai.go
+++ b/backend/internal/handlers/ai.go
@@ -0,0 +1,115 @@
+package handlers
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+
+	"github.com/jmoiron/sqlx"
+
+	"mgit.msbls.de/m/KanzlAI-mGMT/internal/services"
+)
+
+type AIHandler struct {
+	ai *services.AIService
+	db *sqlx.DB
+}
+
+func NewAIHandler(ai *services.AIService, db *sqlx.DB) *AIHandler {
+	return &AIHandler{ai: ai, db: db}
+}
+
+// ExtractDeadlines handles POST /api/ai/extract-deadlines
+// Accepts either multipart/form-data with a "file" PDF field, or JSON {"text": "..."}.
+func (h *AIHandler) ExtractDeadlines(w http.ResponseWriter, r *http.Request) {
+	contentType := r.Header.Get("Content-Type")
+
+	var pdfData []byte
+	var text string
+
+	// Check if multipart (PDF upload)
+	if len(contentType) >= 9 && contentType[:9] == "multipart" {
+		if err := r.ParseMultipartForm(32 << 20); err != nil { // 32MB max
+			writeError(w, http.StatusBadRequest, "failed to parse multipart form")
+			return
+		}
+		file, _, err := r.FormFile("file")
+		if err != nil {
+			writeError(w, http.StatusBadRequest, "missing 'file' field in multipart form")
+			return
+		}
+		defer file.Close()
+
+		pdfData, err = io.ReadAll(file)
+		if err != nil {
+			writeError(w, http.StatusBadRequest, "failed to read uploaded file")
+			return
+		}
+	} else {
+		// Assume JSON body
+		var body struct {
+			Text string `json:"text"`
+		}
+		if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+			writeError(w, http.StatusBadRequest, "invalid request body")
+			return
+		}
+		text = body.Text
+	}
+
+	if len(pdfData) == 0 && text == "" {
+		writeError(w, http.StatusBadRequest, "provide either a PDF file or text")
+		return
+	}
+
+	deadlines, err := h.ai.ExtractDeadlines(r.Context(), pdfData, text)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "AI extraction failed: "+err.Error())
+		return
+	}
+
+	writeJSON(w, http.StatusOK, map[string]any{
+		"deadlines": deadlines,
+		"count":     len(deadlines),
+	})
+}
+
+// SummarizeCase handles POST /api/ai/summarize-case
+// Accepts JSON {"case_id": "uuid"}.
+func (h *AIHandler) SummarizeCase(w http.ResponseWriter, r *http.Request) {
+	tenantID, err := resolveTenant(r, h.db)
+	if err != nil {
+		handleTenantError(w, err)
+		return
+	}
+
+	var body struct {
+		CaseID string `json:"case_id"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+		writeError(w, http.StatusBadRequest, "invalid request body")
+		return
+	}
+
+	if body.CaseID == "" {
+		writeError(w, http.StatusBadRequest, "case_id is required")
+		return
+	}
+
+	caseID, err := parseUUID(body.CaseID)
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid case_id")
+		return
+	}
+
+	summary, err := h.ai.SummarizeCase(r.Context(), tenantID, caseID)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "AI summarization failed: "+err.Error())
+		return
+	}
+
+	writeJSON(w, http.StatusOK, map[string]string{
+		"case_id": caseID.String(),
+		"summary": summary,
+	})
+}
--- a/backend/internal/handlers/appointments.go
+++ b/backend/internal/handlers/appointments.go
@@ -203,14 +203,3 @@ func (h *AppointmentHandler) Delete(w http.ResponseWriter, r *http.Request) {
 	w.WriteHeader(http.StatusNoContent)
 }

-func writeJSON(w http.ResponseWriter, status int, v any) {
-	w.Header().Set("Content-Type", "application/json")
-	w.WriteHeader(status)
-	json.NewEncoder(w).Encode(v)
-}
-
-func writeError(w http.ResponseWriter, status int, msg string) {
-	w.Header().Set("Content-Type", "application/json")
-	w.WriteHeader(status)
-	json.NewEncoder(w).Encode(map[string]string{"error": msg})
-}
--- a/backend/internal/handlers/dashboard.go
+++ b/backend/internal/handlers/dashboard.go
@@ -0,0 +1,32 @@
+package handlers
+
+import (
+	"net/http"
+
+	"mgit.msbls.de/m/KanzlAI-mGMT/internal/auth"
+	"mgit.msbls.de/m/KanzlAI-mGMT/internal/services"
+)
+
+type DashboardHandler struct {
+	svc *services.DashboardService
+}
+
+func NewDashboardHandler(svc *services.DashboardService) *DashboardHandler {
+	return &DashboardHandler{svc: svc}
+}
+
+func (h *DashboardHandler) Get(w http.ResponseWriter, r *http.Request) {
+	tenantID, ok := auth.TenantFromContext(r.Context())
+	if !ok {
+		writeError(w, http.StatusForbidden, "missing tenant")
+		return
+	}
+
+	data, err := h.svc.Get(r.Context(), tenantID)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+
+	writeJSON(w, http.StatusOK, data)
+}
--- a/backend/internal/handlers/deadline_rules.go
+++ b/backend/internal/handlers/deadline_rules.go
@@ -39,6 +39,17 @@ func (h *DeadlineRuleHandlers) List(w http.ResponseWriter, r *http.Request) {
 	writeJSON(w, http.StatusOK, rules)
 }

+// ListProceedingTypes handles GET /api/proceeding-types
+func (h *DeadlineRuleHandlers) ListProceedingTypes(w http.ResponseWriter, r *http.Request) {
+	types, err := h.rules.ListProceedingTypes()
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "failed to list proceeding types")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, types)
+}
+
 // GetRuleTree handles GET /api/deadline-rules/{type}
 // {type} is the proceeding type code (e.g., "INF", "REV")
 func (h *DeadlineRuleHandlers) GetRuleTree(w http.ResponseWriter, r *http.Request) {
--- a/backend/internal/handlers/deadlines.go
+++ b/backend/internal/handlers/deadlines.go
@@ -20,6 +20,23 @@ func NewDeadlineHandlers(ds *services.DeadlineService, db *sqlx.DB) *DeadlineHan
 	return &DeadlineHandlers{deadlines: ds, db: db}
 }

+// ListAll handles GET /api/deadlines
+func (h *DeadlineHandlers) ListAll(w http.ResponseWriter, r *http.Request) {
+	tenantID, err := resolveTenant(r, h.db)
+	if err != nil {
+		handleTenantError(w, err)
+		return
+	}
+
+	deadlines, err := h.deadlines.ListAll(tenantID)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, "failed to list deadlines")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, deadlines)
+}
+
 // ListForCase handles GET /api/cases/{caseID}/deadlines
 func (h *DeadlineHandlers) ListForCase(w http.ResponseWriter, r *http.Request) {
 	tenantID, err := resolveTenant(r, h.db)
--- a/backend/internal/handlers/documents.go
+++ b/backend/internal/handlers/documents.go
@@ -0,0 +1,183 @@
+package handlers
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+
+	"mgit.msbls.de/m/KanzlAI-mGMT/internal/auth"
+	"mgit.msbls.de/m/KanzlAI-mGMT/internal/services"
+
+	"github.com/google/uuid"
+)
+
+const maxUploadSize = 50 << 20 // 50 MB
+
+type DocumentHandler struct {
+	svc *services.DocumentService
+}
+
+func NewDocumentHandler(svc *services.DocumentService) *DocumentHandler {
+	return &DocumentHandler{svc: svc}
+}
+
+func (h *DocumentHandler) ListByCase(w http.ResponseWriter, r *http.Request) {
+	tenantID, ok := auth.TenantFromContext(r.Context())
+	if !ok {
+		writeError(w, http.StatusForbidden, "missing tenant")
+		return
+	}
+
+	caseID, err := uuid.Parse(r.PathValue("id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid case ID")
+		return
+	}
+
+	docs, err := h.svc.ListByCase(r.Context(), tenantID, caseID)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+
+	writeJSON(w, http.StatusOK, map[string]any{
+		"documents": docs,
+		"total":     len(docs),
+	})
+}
+
+func (h *DocumentHandler) Upload(w http.ResponseWriter, r *http.Request) {
+	tenantID, ok := auth.TenantFromContext(r.Context())
+	if !ok {
+		writeError(w, http.StatusForbidden, "missing tenant")
+		return
+	}
+	userID, _ := auth.UserFromContext(r.Context())
+
+	caseID, err := uuid.Parse(r.PathValue("id"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid case ID")
+		return
+	}
+
+	r.Body = http.MaxBytesReader(w, r.Body, maxUploadSize)
+	if err := r.ParseMultipartForm(maxUploadSize); err != nil {
+		writeError(w, http.StatusBadRequest, "file too large or invalid multipart form")
+		return
+	}
+
+	file, header, err := r.FormFile("file")
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "missing file field")
+		return
+	}
+	defer file.Close()
+
+	title := r.FormValue("title")
+	if title == "" {
+		title = header.Filename
+	}
+
+	contentType := header.Header.Get("Content-Type")
+	if contentType == "" {
+		contentType = "application/octet-stream"
+	}
+
+	input := services.CreateDocumentInput{
+		Title:       title,
+		DocType:     r.FormValue("doc_type"),
+		Filename:    header.Filename,
+		ContentType: contentType,
+		Size:        int(header.Size),
+		Data:        file,
+	}
+
+	doc, err := h.svc.Create(r.Context(), tenantID, caseID, userID, input)
+	if err != nil {
+		if err.Error() == "case not found" {
+			writeError(w, http.StatusNotFound, "case not found")
+			return
+		}
+		writeError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+
+	writeJSON(w, http.StatusCreated, doc)
+}
+
+func (h *DocumentHandler) Download(w http.ResponseWriter, r *http.Request) {
+	tenantID, ok := auth.TenantFromContext(r.Context())
+	if !ok {
+		writeError(w, http.StatusForbidden, "missing tenant")
+		return
+	}
+
+	docID, err := uuid.Parse(r.PathValue("docId"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid document ID")
+		return
+	}
+
+	body, contentType, title, err := h.svc.Download(r.Context(), tenantID, docID)
+	if err != nil {
+		if err.Error() == "document not found" || err.Error() == "document has no file" {
+			writeError(w, http.StatusNotFound, err.Error())
+			return
+		}
+		writeError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+	defer body.Close()
+
+	w.Header().Set("Content-Type", contentType)
+	w.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, title))
+	io.Copy(w, body)
+}
+
+func (h *DocumentHandler) GetMeta(w http.ResponseWriter, r *http.Request) {
+	tenantID, ok := auth.TenantFromContext(r.Context())
+	if !ok {
+		writeError(w, http.StatusForbidden, "missing tenant")
+		return
+	}
+
+	docID, err := uuid.Parse(r.PathValue("docId"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid document ID")
+		return
+	}
+
+	doc, err := h.svc.GetByID(r.Context(), tenantID, docID)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+	if doc == nil {
+		writeError(w, http.StatusNotFound, "document not found")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, doc)
+}
+
+func (h *DocumentHandler) Delete(w http.ResponseWriter, r *http.Request) {
+	tenantID, ok := auth.TenantFromContext(r.Context())
+	if !ok {
+		writeError(w, http.StatusForbidden, "missing tenant")
+		return
+	}
+	userID, _ := auth.UserFromContext(r.Context())
+
+	docID, err := uuid.Parse(r.PathValue("docId"))
+	if err != nil {
+		writeError(w, http.StatusBadRequest, "invalid document ID")
+		return
+	}
+
+	if err := h.svc.Delete(r.Context(), tenantID, docID, userID); err != nil {
+		writeError(w, http.StatusNotFound, "document not found")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, map[string]string{"status": "deleted"})
+}
--- a/backend/internal/handlers/helpers.go
+++ b/backend/internal/handlers/helpers.go
@@ -83,3 +83,8 @@ func handleTenantError(w http.ResponseWriter, err error) {
 func parsePathUUID(r *http.Request, key string) (uuid.UUID, error) {
 	return uuid.Parse(r.PathValue(key))
 }
+
+// parseUUID parses a UUID string
+func parseUUID(s string) (uuid.UUID, error) {
+	return uuid.Parse(s)
+}
--- a/backend/internal/router/router.go
+++ b/backend/internal/router/router.go
@@ -7,11 +7,12 @@ import (
 	"github.com/jmoiron/sqlx"

 	"mgit.msbls.de/m/KanzlAI-mGMT/internal/auth"
+	"mgit.msbls.de/m/KanzlAI-mGMT/internal/config"
 	"mgit.msbls.de/m/KanzlAI-mGMT/internal/handlers"
 	"mgit.msbls.de/m/KanzlAI-mGMT/internal/services"
 )

-func New(db *sqlx.DB, authMW *auth.Middleware) http.Handler {
+func New(db *sqlx.DB, authMW *auth.Middleware, cfg *config.Config) http.Handler {
 	mux := http.NewServeMux()

 	// Services
@@ -23,10 +24,21 @@ func New(db *sqlx.DB, authMW *auth.Middleware) http.Handler {
 	deadlineSvc := services.NewDeadlineService(db)
 	deadlineRuleSvc := services.NewDeadlineRuleService(db)
 	calculator := services.NewDeadlineCalculator(holidaySvc)
+	storageCli := services.NewStorageClient(cfg.SupabaseURL, cfg.SupabaseServiceKey)
+	documentSvc := services.NewDocumentService(db, storageCli)
+
+	// AI service (optional — only if API key is configured)
+	var aiH *handlers.AIHandler
+	if cfg.AnthropicAPIKey != "" {
+		aiSvc := services.NewAIService(cfg.AnthropicAPIKey, db)
+		aiH = handlers.NewAIHandler(aiSvc, db)
+	}

 	// Middleware
 	tenantResolver := auth.NewTenantResolver(tenantSvc)

+	dashboardSvc := services.NewDashboardService(db)
+
 	// Handlers
 	tenantH := handlers.NewTenantHandler(tenantSvc)
 	caseH := handlers.NewCaseHandler(caseSvc)
@@ -35,6 +47,8 @@ func New(db *sqlx.DB, authMW *auth.Middleware) http.Handler {
 	deadlineH := handlers.NewDeadlineHandlers(deadlineSvc, db)
 	ruleH := handlers.NewDeadlineRuleHandlers(deadlineRuleSvc)
 	calcH := handlers.NewCalculateHandlers(calculator, deadlineRuleSvc)
+	dashboardH := handlers.NewDashboardHandler(dashboardSvc)
+	docH := handlers.NewDocumentHandler(documentSvc)

 	// Public routes
 	mux.HandleFunc("GET /health", handleHealth(db))
@@ -67,6 +81,7 @@ func New(db *sqlx.DB, authMW *auth.Middleware) http.Handler {
 	scoped.HandleFunc("DELETE /api/parties/{partyId}", partyH.Delete)

 	// Deadlines
+	scoped.HandleFunc("GET /api/deadlines", deadlineH.ListAll)
 	scoped.HandleFunc("GET /api/cases/{caseID}/deadlines", deadlineH.ListForCase)
 	scoped.HandleFunc("POST /api/cases/{caseID}/deadlines", deadlineH.Create)
 	scoped.HandleFunc("PUT /api/deadlines/{deadlineID}", deadlineH.Update)
@@ -76,6 +91,7 @@ func New(db *sqlx.DB, authMW *auth.Middleware) http.Handler {
 	// Deadline rules (reference data)
 	scoped.HandleFunc("GET /api/deadline-rules", ruleH.List)
 	scoped.HandleFunc("GET /api/deadline-rules/{type}", ruleH.GetRuleTree)
+	scoped.HandleFunc("GET /api/proceeding-types", ruleH.ListProceedingTypes)

 	// Deadline calculator
 	scoped.HandleFunc("POST /api/deadlines/calculate", calcH.Calculate)
@@ -86,8 +102,21 @@ func New(db *sqlx.DB, authMW *auth.Middleware) http.Handler {
 	scoped.HandleFunc("PUT /api/appointments/{id}", apptH.Update)
 	scoped.HandleFunc("DELETE /api/appointments/{id}", apptH.Delete)

-	// Placeholder routes for future phases
-	scoped.HandleFunc("GET /api/documents", placeholder("documents"))
+	// Dashboard
+	scoped.HandleFunc("GET /api/dashboard", dashboardH.Get)
+
+	// Documents
+	scoped.HandleFunc("GET /api/cases/{id}/documents", docH.ListByCase)
+	scoped.HandleFunc("POST /api/cases/{id}/documents", docH.Upload)
+	scoped.HandleFunc("GET /api/documents/{docId}", docH.Download)
+	scoped.HandleFunc("GET /api/documents/{docId}/meta", docH.GetMeta)
+	scoped.HandleFunc("DELETE /api/documents/{docId}", docH.Delete)
+
+	// AI endpoints
+	if aiH != nil {
+		scoped.HandleFunc("POST /api/ai/extract-deadlines", aiH.ExtractDeadlines)
+		scoped.HandleFunc("POST /api/ai/summarize-case", aiH.SummarizeCase)
+	}

 	// Wire: auth -> tenant routes go directly, scoped routes get tenant resolver
 	api.Handle("/api/", tenantResolver.Resolve(scoped))
@@ -109,12 +138,3 @@ func handleHealth(db *sqlx.DB) http.HandlerFunc {
 	}
 }

-func placeholder(resource string) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Content-Type", "application/json")
-		json.NewEncoder(w).Encode(map[string]string{
-			"status":   "not_implemented",
-			"resource": resource,
-		})
-	}
-}
--- a/backend/internal/services/ai_service.go
+++ b/backend/internal/services/ai_service.go
@@ -0,0 +1,283 @@
+package services
+
+import (
+	"context"
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"github.com/anthropics/anthropic-sdk-go"
+	"github.com/anthropics/anthropic-sdk-go/option"
+	"github.com/google/uuid"
+	"github.com/jmoiron/sqlx"
+
+	"mgit.msbls.de/m/KanzlAI-mGMT/internal/models"
+)
+
+type AIService struct {
+	client anthropic.Client
+	db     *sqlx.DB
+}
+
+func NewAIService(apiKey string, db *sqlx.DB) *AIService {
+	client := anthropic.NewClient(option.WithAPIKey(apiKey))
+	return &AIService{client: client, db: db}
+}
+
+// ExtractedDeadline represents a deadline extracted by AI from a document.
+type ExtractedDeadline struct {
+	Title         string  `json:"title"`
+	DueDate       *string `json:"due_date"`
+	DurationValue int     `json:"duration_value"`
+	DurationUnit  string  `json:"duration_unit"`
+	Timing        string  `json:"timing"`
+	TriggerEvent  string  `json:"trigger_event"`
+	RuleReference string  `json:"rule_reference"`
+	Confidence    float64 `json:"confidence"`
+	SourceQuote   string  `json:"source_quote"`
+}
+
+type extractDeadlinesToolInput struct {
+	Deadlines []ExtractedDeadline `json:"deadlines"`
+}
+
+var deadlineExtractionTool = anthropic.ToolParam{
+	Name:        "extract_deadlines",
+	Description: anthropic.String("Extract all legal deadlines found in the document. Return each deadline with its details."),
+	InputSchema: anthropic.ToolInputSchemaParam{
+		Properties: map[string]any{
+			"deadlines": map[string]any{
+				"type":        "array",
+				"description": "List of extracted deadlines",
+				"items": map[string]any{
+					"type": "object",
+					"properties": map[string]any{
+						"title": map[string]any{
+							"type":        "string",
+							"description": "Short title describing the deadline (e.g. 'Statement of Defence', 'Reply to Counterclaim')",
+						},
+						"due_date": map[string]any{
+							"type":        []string{"string", "null"},
+							"description": "Absolute due date in YYYY-MM-DD format if determinable, null otherwise",
+						},
+						"duration_value": map[string]any{
+							"type":        "integer",
+							"description": "Numeric duration value (e.g. 3 for '3 months')",
+						},
+						"duration_unit": map[string]any{
+							"type":        "string",
+							"enum":        []string{"days", "weeks", "months"},
+							"description": "Unit of the duration period",
+						},
+						"timing": map[string]any{
+							"type":        "string",
+							"enum":        []string{"after", "before"},
+							"description": "Whether the deadline is before or after the trigger event",
+						},
+						"trigger_event": map[string]any{
+							"type":        "string",
+							"description": "The event that triggers this deadline (e.g. 'service of the Statement of Claim')",
+						},
+						"rule_reference": map[string]any{
+							"type":        "string",
+							"description": "Legal rule reference (e.g. 'Rule 23 RoP', 'Rule 222 RoP', '§ 276 ZPO')",
+						},
+						"confidence": map[string]any{
+							"type":        "number",
+							"minimum":     0,
+							"maximum":     1,
+							"description": "Confidence score from 0.0 to 1.0",
+						},
+						"source_quote": map[string]any{
+							"type":        "string",
+							"description": "The exact quote from the document where this deadline was found",
+						},
+					},
+					"required": []string{"title", "duration_value", "duration_unit", "timing", "trigger_event", "rule_reference", "confidence", "source_quote"},
+				},
+			},
+		},
+		Required: []string{"deadlines"},
+	},
+}
+
+const extractionSystemPrompt = `You are a legal deadline extraction assistant for German and UPC (Unified Patent Court) patent litigation.
+
+Your task is to extract all legal deadlines, time limits, and procedural time periods from the provided document.
+
+For each deadline found, extract:
+- A clear title describing the deadline
+- The absolute due date if it can be determined from the document
+- The duration (value + unit: days/weeks/months)
+- Whether it runs before or after a trigger event
+- The trigger event that starts the deadline
+- The legal rule reference (e.g. Rule 23 RoP, § 276 ZPO)
+- Your confidence level (0.0-1.0) in the extraction
+- The exact source quote from the document
+
+Be thorough: extract every deadline mentioned, including conditional ones. If a deadline references another deadline (e.g. "within 2 months of the defence"), capture that relationship in the trigger_event field.
+
+If the document contains no deadlines, return an empty list.`
+
+// ExtractDeadlines sends a document (PDF or text) to Claude for deadline extraction.
+func (s *AIService) ExtractDeadlines(ctx context.Context, pdfData []byte, text string) ([]ExtractedDeadline, error) {
+	var contentBlocks []anthropic.ContentBlockParamUnion
+
+	if len(pdfData) > 0 {
+		encoded := base64.StdEncoding.EncodeToString(pdfData)
+		contentBlocks = append(contentBlocks, anthropic.ContentBlockParamUnion{
+			OfDocument: &anthropic.DocumentBlockParam{
+				Source: anthropic.DocumentBlockParamSourceUnion{
+					OfBase64: &anthropic.Base64PDFSourceParam{
+						Data: encoded,
+					},
+				},
+			},
+		})
+		contentBlocks = append(contentBlocks, anthropic.NewTextBlock("Extract all legal deadlines from this document."))
+	} else if text != "" {
+		contentBlocks = append(contentBlocks, anthropic.NewTextBlock("Extract all legal deadlines from the following text:\n\n"+text))
+	} else {
+		return nil, fmt.Errorf("either pdf_data or text must be provided")
+	}
+
+	msg, err := s.client.Messages.New(ctx, anthropic.MessageNewParams{
+		Model:     anthropic.ModelClaudeSonnet4_5,
+		MaxTokens: 4096,
+		System: []anthropic.TextBlockParam{
+			{Text: extractionSystemPrompt},
+		},
+		Messages: []anthropic.MessageParam{
+			anthropic.NewUserMessage(contentBlocks...),
+		},
+		Tools: []anthropic.ToolUnionParam{
+			{OfTool: &deadlineExtractionTool},
+		},
+		ToolChoice: anthropic.ToolChoiceParamOfTool("extract_deadlines"),
+	})
+	if err != nil {
+		return nil, fmt.Errorf("claude API call: %w", err)
+	}
+
+	// Find the tool_use block in the response
+	for _, block := range msg.Content {
+		if block.Type == "tool_use" && block.Name == "extract_deadlines" {
+			var input extractDeadlinesToolInput
+			if err := json.Unmarshal(block.Input, &input); err != nil {
+				return nil, fmt.Errorf("parsing tool output: %w", err)
+			}
+			return input.Deadlines, nil
+		}
+	}
+
+	return nil, fmt.Errorf("no tool_use block in response")
+}
+
+const summarizeSystemPrompt = `You are a legal case summary assistant for German and UPC patent litigation case management.
+
+Given a case's details, recent events, and deadlines, produce a concise 2-3 sentence summary of what matters right now. Focus on:
+- The most urgent upcoming deadline
+- Recent significant events
+- The current procedural stage
+
+Write in clear, professional language suitable for a lawyer reviewing their case list. Be specific about dates and deadlines.`
+
+// SummarizeCase generates an AI summary for a case and caches it in the database.
+func (s *AIService) SummarizeCase(ctx context.Context, tenantID, caseID uuid.UUID) (string, error) {
+	// Load case
+	var c models.Case
+	err := s.db.GetContext(ctx, &c,
+		"SELECT * FROM cases WHERE id = $1 AND tenant_id = $2", caseID, tenantID)
+	if err != nil {
+		return "", fmt.Errorf("loading case: %w", err)
+	}
+
+	// Load recent events
+	var events []models.CaseEvent
+	if err := s.db.SelectContext(ctx, &events,
+		"SELECT * FROM case_events WHERE case_id = $1 AND tenant_id = $2 ORDER BY created_at DESC LIMIT 10",
+		caseID, tenantID); err != nil {
+		return "", fmt.Errorf("loading events: %w", err)
+	}
+
+	// Load active deadlines
+	var deadlines []models.Deadline
+	if err := s.db.SelectContext(ctx, &deadlines,
+		"SELECT * FROM deadlines WHERE case_id = $1 AND tenant_id = $2 AND status = 'active' ORDER BY due_date ASC LIMIT 10",
+		caseID, tenantID); err != nil {
+		return "", fmt.Errorf("loading deadlines: %w", err)
+	}
+
+	// Build context text
+	caseInfo := fmt.Sprintf("Case: %s — %s\nStatus: %s", c.CaseNumber, c.Title, c.Status)
+	if c.Court != nil {
+		caseInfo += fmt.Sprintf("\nCourt: %s", *c.Court)
+	}
+	if c.CourtRef != nil {
+		caseInfo += fmt.Sprintf("\nCourt Reference: %s", *c.CourtRef)
+	}
+	if c.CaseType != nil {
+		caseInfo += fmt.Sprintf("\nType: %s", *c.CaseType)
+	}
+
+	eventText := "\n\nRecent Events:"
+	if len(events) == 0 {
+		eventText += "\nNo events recorded."
+	}
+	for _, e := range events {
+		eventText += fmt.Sprintf("\n- [%s] %s", e.CreatedAt.Format("2006-01-02"), e.Title)
+		if e.Description != nil {
+			eventText += fmt.Sprintf(": %s", *e.Description)
+		}
+	}
+
+	deadlineText := "\n\nUpcoming Deadlines:"
+	if len(deadlines) == 0 {
+		deadlineText += "\nNo active deadlines."
+	}
+	for _, d := range deadlines {
+		deadlineText += fmt.Sprintf("\n- %s: due %s (status: %s)", d.Title, d.DueDate, d.Status)
+		if d.Description != nil {
+			deadlineText += fmt.Sprintf(" — %s", *d.Description)
+		}
+	}
+
+	prompt := caseInfo + eventText + deadlineText
+
+	msg, err := s.client.Messages.New(ctx, anthropic.MessageNewParams{
+		Model:     anthropic.ModelClaudeSonnet4_5,
+		MaxTokens: 512,
+		System: []anthropic.TextBlockParam{
+			{Text: summarizeSystemPrompt},
+		},
+		Messages: []anthropic.MessageParam{
+			anthropic.NewUserMessage(anthropic.NewTextBlock("Summarize the current state of this case:\n\n" + prompt)),
+		},
+	})
+	if err != nil {
+		return "", fmt.Errorf("claude API call: %w", err)
+	}
+
+	// Extract text from response
+	var summary string
+	for _, block := range msg.Content {
+		if block.Type == "text" {
+			summary += block.Text
+		}
+	}
+
+	if summary == "" {
+		return "", fmt.Errorf("empty response from Claude")
+	}
+
+	// Cache summary in database
+	_, err = s.db.ExecContext(ctx,
+		"UPDATE cases SET ai_summary = $1, updated_at = $2 WHERE id = $3 AND tenant_id = $4",
+		summary, time.Now(), caseID, tenantID)
+	if err != nil {
+		return "", fmt.Errorf("caching summary: %w", err)
+	}
+
+	return summary, nil
+}
--- a/backend/internal/services/ai_service_test.go
+++ b/backend/internal/services/ai_service_test.go
@@ -0,0 +1,109 @@
+package services
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestDeadlineExtractionToolSchema(t *testing.T) {
+	// Verify the tool schema serializes correctly
+	data, err := json.Marshal(deadlineExtractionTool)
+	if err != nil {
+		t.Fatalf("failed to marshal tool: %v", err)
+	}
+
+	var parsed map[string]any
+	if err := json.Unmarshal(data, &parsed); err != nil {
+		t.Fatalf("failed to unmarshal tool JSON: %v", err)
+	}
+
+	if parsed["name"] != "extract_deadlines" {
+		t.Errorf("expected name 'extract_deadlines', got %v", parsed["name"])
+	}
+
+	schema, ok := parsed["input_schema"].(map[string]any)
+	if !ok {
+		t.Fatal("input_schema is not a map")
+	}
+
+	if schema["type"] != "object" {
+		t.Errorf("expected schema type 'object', got %v", schema["type"])
+	}
+
+	props, ok := schema["properties"].(map[string]any)
+	if !ok {
+		t.Fatal("properties is not a map")
+	}
+
+	deadlines, ok := props["deadlines"].(map[string]any)
+	if !ok {
+		t.Fatal("deadlines property is not a map")
+	}
+
+	if deadlines["type"] != "array" {
+		t.Errorf("expected deadlines type 'array', got %v", deadlines["type"])
+	}
+
+	items, ok := deadlines["items"].(map[string]any)
+	if !ok {
+		t.Fatal("items is not a map")
+	}
+
+	itemProps, ok := items["properties"].(map[string]any)
+	if !ok {
+		t.Fatal("item properties is not a map")
+	}
+
+	expectedFields := []string{"title", "due_date", "duration_value", "duration_unit", "timing", "trigger_event", "rule_reference", "confidence", "source_quote"}
+	for _, field := range expectedFields {
+		if _, ok := itemProps[field]; !ok {
+			t.Errorf("missing expected field %q in item properties", field)
+		}
+	}
+
+	required, ok := items["required"].([]any)
+	if !ok {
+		t.Fatal("required is not a list")
+	}
+	if len(required) != 8 {
+		t.Errorf("expected 8 required fields, got %d", len(required))
+	}
+}
+
+func TestExtractedDeadlineJSON(t *testing.T) {
+	dueDate := "2026-04-15"
+	d := ExtractedDeadline{
+		Title:         "Statement of Defence",
+		DueDate:       &dueDate,
+		DurationValue: 3,
+		DurationUnit:  "months",
+		Timing:        "after",
+		TriggerEvent:  "service of the Statement of Claim",
+		RuleReference: "Rule 23 RoP",
+		Confidence:    0.95,
+		SourceQuote:   "The defendant shall file a defence within 3 months",
+	}
+
+	data, err := json.Marshal(d)
+	if err != nil {
+		t.Fatalf("failed to marshal: %v", err)
+	}
+
+	var parsed ExtractedDeadline
+	if err := json.Unmarshal(data, &parsed); err != nil {
+		t.Fatalf("failed to unmarshal: %v", err)
+	}
+
+	if parsed.Title != d.Title {
+		t.Errorf("title mismatch: %q != %q", parsed.Title, d.Title)
+	}
+	if *parsed.DueDate != *d.DueDate {
+		t.Errorf("due_date mismatch: %q != %q", *parsed.DueDate, *d.DueDate)
+	}
+	if parsed.DurationValue != d.DurationValue {
+		t.Errorf("duration_value mismatch: %d != %d", parsed.DurationValue, d.DurationValue)
+	}
+	if parsed.Confidence != d.Confidence {
+		t.Errorf("confidence mismatch: %f != %f", parsed.Confidence, d.Confidence)
+	}
+}
--- a/backend/internal/services/dashboard_service.go
+++ b/backend/internal/services/dashboard_service.go
@@ -0,0 +1,151 @@
+package services
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/jmoiron/sqlx"
+)
+
+type DashboardService struct {
+	db *sqlx.DB
+}
+
+func NewDashboardService(db *sqlx.DB) *DashboardService {
+	return &DashboardService{db: db}
+}
+
+type DashboardData struct {
+	DeadlineSummary      DeadlineSummary       `json:"deadline_summary"`
+	CaseSummary          CaseSummary           `json:"case_summary"`
+	UpcomingDeadlines    []UpcomingDeadline    `json:"upcoming_deadlines"`
+	UpcomingAppointments []UpcomingAppointment `json:"upcoming_appointments"`
+	RecentActivity       []RecentActivity      `json:"recent_activity"`
+}
+
+type DeadlineSummary struct {
+	OverdueCount int `json:"overdue_count" db:"overdue_count"`
+	DueThisWeek  int `json:"due_this_week" db:"due_this_week"`
+	DueNextWeek  int `json:"due_next_week" db:"due_next_week"`
+	OKCount      int `json:"ok_count" db:"ok_count"`
+}
+
+type CaseSummary struct {
+	ActiveCount  int `json:"active_count" db:"active_count"`
+	NewThisMonth int `json:"new_this_month" db:"new_this_month"`
+	ClosedCount  int `json:"closed_count" db:"closed_count"`
+}
+
+type UpcomingDeadline struct {
+	ID         uuid.UUID `json:"id" db:"id"`
+	Title      string    `json:"title" db:"title"`
+	DueDate    string    `json:"due_date" db:"due_date"`
+	CaseNumber string    `json:"case_number" db:"case_number"`
+	CaseTitle  string    `json:"case_title" db:"case_title"`
+	Status     string    `json:"status" db:"status"`
+}
+
+type UpcomingAppointment struct {
+	ID         uuid.UUID  `json:"id" db:"id"`
+	Title      string     `json:"title" db:"title"`
+	StartAt    time.Time  `json:"start_at" db:"start_at"`
+	CaseNumber *string    `json:"case_number" db:"case_number"`
+	Location   *string    `json:"location" db:"location"`
+}
+
+type RecentActivity struct {
+	EventType  *string    `json:"event_type" db:"event_type"`
+	Title      string     `json:"title" db:"title"`
+	CaseNumber string     `json:"case_number" db:"case_number"`
+	EventDate  *time.Time `json:"event_date" db:"event_date"`
+}
+
+func (s *DashboardService) Get(ctx context.Context, tenantID uuid.UUID) (*DashboardData, error) {
+	now := time.Now()
+	today := now.Format("2006-01-02")
+	endOfWeek := now.AddDate(0, 0, 7-int(now.Weekday())).Format("2006-01-02")
+	endOfNextWeek := now.AddDate(0, 0, 14-int(now.Weekday())).Format("2006-01-02")
+	in7Days := now.AddDate(0, 0, 7).Format("2006-01-02")
+	startOfMonth := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location()).Format("2006-01-02")
+
+	data := &DashboardData{}
+
+	// Single query with CTEs for deadline + case summaries
+	summaryQuery := `
+		WITH deadline_stats AS (
+			SELECT
+				COUNT(*) FILTER (WHERE due_date < $2 AND status = 'pending') AS overdue_count,
+				COUNT(*) FILTER (WHERE due_date >= $2 AND due_date <= $3 AND status = 'pending') AS due_this_week,
+				COUNT(*) FILTER (WHERE due_date > $3 AND due_date <= $4 AND status = 'pending') AS due_next_week,
+				COUNT(*) FILTER (WHERE due_date > $4 AND status = 'pending') AS ok_count
+			FROM deadlines
+			WHERE tenant_id = $1
+		),
+		case_stats AS (
+			SELECT
+				COUNT(*) FILTER (WHERE status = 'active') AS active_count,
+				COUNT(*) FILTER (WHERE created_at >= $5::date AND status != 'archived') AS new_this_month,
+				COUNT(*) FILTER (WHERE status IN ('closed', 'archived')) AS closed_count
+			FROM cases
+			WHERE tenant_id = $1
+		)
+		SELECT
+			ds.overdue_count, ds.due_this_week, ds.due_next_week, ds.ok_count,
+			cs.active_count, cs.new_this_month, cs.closed_count
+		FROM deadline_stats ds, case_stats cs`
+
+	var summaryRow struct {
+		DeadlineSummary
+		CaseSummary
+	}
+	err := s.db.GetContext(ctx, &summaryRow, summaryQuery, tenantID, today, endOfWeek, endOfNextWeek, startOfMonth)
+	if err != nil {
+		return nil, fmt.Errorf("dashboard summary: %w", err)
+	}
+	data.DeadlineSummary = summaryRow.DeadlineSummary
+	data.CaseSummary = summaryRow.CaseSummary
+
+	// Upcoming deadlines (next 7 days)
+	deadlineQuery := `
+		SELECT d.id, d.title, d.due_date, c.case_number, c.title AS case_title, d.status
+		FROM deadlines d
+		JOIN cases c ON c.id = d.case_id AND c.tenant_id = d.tenant_id
+		WHERE d.tenant_id = $1 AND d.status = 'pending' AND d.due_date >= $2 AND d.due_date <= $3
+		ORDER BY d.due_date ASC`
+
+	data.UpcomingDeadlines = []UpcomingDeadline{}
+	if err := s.db.SelectContext(ctx, &data.UpcomingDeadlines, deadlineQuery, tenantID, today, in7Days); err != nil {
+		return nil, fmt.Errorf("dashboard upcoming deadlines: %w", err)
+	}
+
+	// Upcoming appointments (next 7 days)
+	appointmentQuery := `
+		SELECT a.id, a.title, a.start_at, c.case_number, a.location
+		FROM appointments a
+		LEFT JOIN cases c ON c.id = a.case_id AND c.tenant_id = a.tenant_id
+		WHERE a.tenant_id = $1 AND a.start_at >= $2::timestamp AND a.start_at < ($2::date + interval '7 days')
+		ORDER BY a.start_at ASC`
+
+	data.UpcomingAppointments = []UpcomingAppointment{}
+	if err := s.db.SelectContext(ctx, &data.UpcomingAppointments, appointmentQuery, tenantID, now); err != nil {
+		return nil, fmt.Errorf("dashboard upcoming appointments: %w", err)
+	}
+
+	// Recent activity (last 10 case events)
+	activityQuery := `
+		SELECT ce.event_type, ce.title, c.case_number, ce.event_date
+		FROM case_events ce
+		JOIN cases c ON c.id = ce.case_id AND c.tenant_id = ce.tenant_id
+		WHERE ce.tenant_id = $1
+		ORDER BY COALESCE(ce.event_date, ce.created_at) DESC
+		LIMIT 10`
+
+	data.RecentActivity = []RecentActivity{}
+	if err := s.db.SelectContext(ctx, &data.RecentActivity, activityQuery, tenantID); err != nil {
+		return nil, fmt.Errorf("dashboard recent activity: %w", err)
+	}
+
+	return data, nil
+}
--- a/backend/internal/services/dashboard_service_test.go
+++ b/backend/internal/services/dashboard_service_test.go
@@ -0,0 +1,33 @@
+package services
+
+import (
+	"testing"
+	"time"
+)
+
+func TestDashboardDateCalculations(t *testing.T) {
+	// Verify the date range logic used in Get()
+	now := time.Date(2026, 3, 25, 14, 0, 0, 0, time.UTC) // Wednesday
+
+	today := now.Format("2006-01-02")
+	endOfWeek := now.AddDate(0, 0, 7-int(now.Weekday())).Format("2006-01-02")
+	endOfNextWeek := now.AddDate(0, 0, 14-int(now.Weekday())).Format("2006-01-02")
+	in7Days := now.AddDate(0, 0, 7).Format("2006-01-02")
+	startOfMonth := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location()).Format("2006-01-02")
+
+	if today != "2026-03-25" {
+		t.Errorf("today = %s, want 2026-03-25", today)
+	}
+	if endOfWeek != "2026-03-29" { // Sunday
+		t.Errorf("endOfWeek = %s, want 2026-03-29", endOfWeek)
+	}
+	if endOfNextWeek != "2026-04-05" {
+		t.Errorf("endOfNextWeek = %s, want 2026-04-05", endOfNextWeek)
+	}
+	if in7Days != "2026-04-01" {
+		t.Errorf("in7Days = %s, want 2026-04-01", in7Days)
+	}
+	if startOfMonth != "2026-03-01" {
+		t.Errorf("startOfMonth = %s, want 2026-03-01", startOfMonth)
+	}
+}
--- a/backend/internal/services/deadline_service.go
+++ b/backend/internal/services/deadline_service.go
@@ -21,6 +21,23 @@ func NewDeadlineService(db *sqlx.DB) *DeadlineService {
 	return &DeadlineService{db: db}
 }

+// ListAll returns all deadlines for a tenant, ordered by due_date
+func (s *DeadlineService) ListAll(tenantID uuid.UUID) ([]models.Deadline, error) {
+	query := `SELECT id, tenant_id, case_id, title, description, due_date, original_due_date,
+	                 warning_date, source, rule_id, status, completed_at,
+	                 caldav_uid, caldav_etag, notes, created_at, updated_at
+	          FROM deadlines
+	          WHERE tenant_id = $1
+	          ORDER BY due_date ASC`
+
+	var deadlines []models.Deadline
+	err := s.db.Select(&deadlines, query, tenantID)
+	if err != nil {
+		return nil, fmt.Errorf("listing all deadlines: %w", err)
+	}
+	return deadlines, nil
+}
+
 // ListForCase returns all deadlines for a case, scoped to tenant
 func (s *DeadlineService) ListForCase(tenantID, caseID uuid.UUID) ([]models.Deadline, error) {
 	query := `SELECT id, tenant_id, case_id, title, description, due_date, original_due_date,
--- a/backend/internal/services/document_service.go
+++ b/backend/internal/services/document_service.go
@@ -0,0 +1,163 @@
+package services
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"io"
+	"time"
+
+	"mgit.msbls.de/m/KanzlAI-mGMT/internal/models"
+
+	"github.com/google/uuid"
+	"github.com/jmoiron/sqlx"
+)
+
+const documentBucket = "kanzlai-documents"
+
+type DocumentService struct {
+	db      *sqlx.DB
+	storage *StorageClient
+}
+
+func NewDocumentService(db *sqlx.DB, storage *StorageClient) *DocumentService {
+	return &DocumentService{db: db, storage: storage}
+}
+
+type CreateDocumentInput struct {
+	Title       string `json:"title"`
+	DocType     string `json:"doc_type"`
+	Filename    string
+	ContentType string
+	Size        int
+	Data        io.Reader
+}
+
+func (s *DocumentService) ListByCase(ctx context.Context, tenantID, caseID uuid.UUID) ([]models.Document, error) {
+	var docs []models.Document
+	err := s.db.SelectContext(ctx, &docs,
+		"SELECT * FROM documents WHERE tenant_id = $1 AND case_id = $2 ORDER BY created_at DESC",
+		tenantID, caseID)
+	if err != nil {
+		return nil, fmt.Errorf("listing documents: %w", err)
+	}
+	return docs, nil
+}
+
+func (s *DocumentService) GetByID(ctx context.Context, tenantID, docID uuid.UUID) (*models.Document, error) {
+	var doc models.Document
+	err := s.db.GetContext(ctx, &doc,
+		"SELECT * FROM documents WHERE id = $1 AND tenant_id = $2", docID, tenantID)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return nil, nil
+		}
+		return nil, fmt.Errorf("getting document: %w", err)
+	}
+	return &doc, nil
+}
+
+func (s *DocumentService) Create(ctx context.Context, tenantID, caseID, userID uuid.UUID, input CreateDocumentInput) (*models.Document, error) {
+	// Verify case belongs to tenant
+	var caseExists int
+	if err := s.db.GetContext(ctx, &caseExists,
+		"SELECT COUNT(*) FROM cases WHERE id = $1 AND tenant_id = $2",
+		caseID, tenantID); err != nil {
+		return nil, fmt.Errorf("verifying case: %w", err)
+	}
+	if caseExists == 0 {
+		return nil, fmt.Errorf("case not found")
+	}
+
+	id := uuid.New()
+	storagePath := fmt.Sprintf("%s/%s/%s_%s", tenantID, caseID, id, input.Filename)
+
+	// Upload to Supabase Storage
+	if err := s.storage.Upload(ctx, documentBucket, storagePath, input.ContentType, input.Data); err != nil {
+		return nil, fmt.Errorf("uploading file: %w", err)
+	}
+
+	// Insert metadata record
+	now := time.Now()
+	_, err := s.db.ExecContext(ctx,
+		`INSERT INTO documents (id, tenant_id, case_id, title, doc_type, file_path, file_size, mime_type, uploaded_by, created_at, updated_at)
+		 VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $10)`,
+		id, tenantID, caseID, input.Title, nilIfEmpty(input.DocType), storagePath, input.Size, input.ContentType, userID, now)
+	if err != nil {
+		// Best effort: clean up uploaded file
+		_ = s.storage.Delete(ctx, documentBucket, []string{storagePath})
+		return nil, fmt.Errorf("inserting document record: %w", err)
+	}
+
+	// Log case event
+	createEvent(ctx, s.db, tenantID, caseID, userID, "document_uploaded",
+		fmt.Sprintf("Document uploaded: %s", input.Title), nil)
+
+	var doc models.Document
+	if err := s.db.GetContext(ctx, &doc, "SELECT * FROM documents WHERE id = $1", id); err != nil {
+		return nil, fmt.Errorf("fetching created document: %w", err)
+	}
+	return &doc, nil
+}
+
+func (s *DocumentService) Download(ctx context.Context, tenantID, docID uuid.UUID) (io.ReadCloser, string, string, error) {
+	doc, err := s.GetByID(ctx, tenantID, docID)
+	if err != nil {
+		return nil, "", "", err
+	}
+	if doc == nil {
+		return nil, "", "", fmt.Errorf("document not found")
+	}
+	if doc.FilePath == nil {
+		return nil, "", "", fmt.Errorf("document has no file")
+	}
+
+	body, contentType, err := s.storage.Download(ctx, documentBucket, *doc.FilePath)
+	if err != nil {
+		return nil, "", "", fmt.Errorf("downloading file: %w", err)
+	}
+
+	// Use stored mime_type if available, fall back to storage response
+	if doc.MimeType != nil && *doc.MimeType != "" {
+		contentType = *doc.MimeType
+	}
+
+	return body, contentType, doc.Title, nil
+}
+
+func (s *DocumentService) Delete(ctx context.Context, tenantID, docID, userID uuid.UUID) error {
+	doc, err := s.GetByID(ctx, tenantID, docID)
+	if err != nil {
+		return err
+	}
+	if doc == nil {
+		return sql.ErrNoRows
+	}
+
+	// Delete from storage
+	if doc.FilePath != nil {
+		if err := s.storage.Delete(ctx, documentBucket, []string{*doc.FilePath}); err != nil {
+			return fmt.Errorf("deleting file from storage: %w", err)
+		}
+	}
+
+	// Delete database record
+	_, err = s.db.ExecContext(ctx,
+		"DELETE FROM documents WHERE id = $1 AND tenant_id = $2", docID, tenantID)
+	if err != nil {
+		return fmt.Errorf("deleting document record: %w", err)
+	}
+
+	// Log case event
+	createEvent(ctx, s.db, tenantID, doc.CaseID, userID, "document_deleted",
+		fmt.Sprintf("Document deleted: %s", doc.Title), nil)
+
+	return nil
+}
+
+func nilIfEmpty(s string) *string {
+	if s == "" {
+		return nil
+	}
+	return &s
+}
--- a/backend/internal/services/storage.go
+++ b/backend/internal/services/storage.go
@@ -0,0 +1,112 @@
+package services
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+)
+
+// StorageClient interacts with Supabase Storage via REST API.
+type StorageClient struct {
+	baseURL    string
+	serviceKey string
+	httpClient *http.Client
+}
+
+func NewStorageClient(supabaseURL, serviceKey string) *StorageClient {
+	return &StorageClient{
+		baseURL:    supabaseURL,
+		serviceKey: serviceKey,
+		httpClient: &http.Client{},
+	}
+}
+
+// Upload stores a file in the given bucket at the specified path.
+func (s *StorageClient) Upload(ctx context.Context, bucket, path, contentType string, data io.Reader) error {
+	url := fmt.Sprintf("%s/storage/v1/object/%s/%s", s.baseURL, bucket, path)
+
+	req, err := http.NewRequestWithContext(ctx, "POST", url, data)
+	if err != nil {
+		return fmt.Errorf("creating upload request: %w", err)
+	}
+
+	req.Header.Set("Authorization", "Bearer "+s.serviceKey)
+	req.Header.Set("Content-Type", contentType)
+	req.Header.Set("x-upsert", "true")
+
+	resp, err := s.httpClient.Do(req)
+	if err != nil {
+		return fmt.Errorf("uploading to storage: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusCreated {
+		body, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("storage upload failed (status %d): %s", resp.StatusCode, string(body))
+	}
+
+	return nil
+}
+
+// Download retrieves a file from storage. Caller must close the returned ReadCloser.
+func (s *StorageClient) Download(ctx context.Context, bucket, path string) (io.ReadCloser, string, error) {
+	url := fmt.Sprintf("%s/storage/v1/object/%s/%s", s.baseURL, bucket, path)
+
+	req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
+	if err != nil {
+		return nil, "", fmt.Errorf("creating download request: %w", err)
+	}
+
+	req.Header.Set("Authorization", "Bearer "+s.serviceKey)
+
+	resp, err := s.httpClient.Do(req)
+	if err != nil {
+		return nil, "", fmt.Errorf("downloading from storage: %w", err)
+	}
+
+	if resp.StatusCode != http.StatusOK {
+		resp.Body.Close()
+		if resp.StatusCode == http.StatusNotFound {
+			return nil, "", fmt.Errorf("file not found in storage")
+		}
+		body, _ := io.ReadAll(resp.Body)
+		return nil, "", fmt.Errorf("storage download failed (status %d): %s", resp.StatusCode, string(body))
+	}
+
+	ct := resp.Header.Get("Content-Type")
+	return resp.Body, ct, nil
+}
+
+// Delete removes files from storage by their paths.
+func (s *StorageClient) Delete(ctx context.Context, bucket string, paths []string) error {
+	url := fmt.Sprintf("%s/storage/v1/object/%s", s.baseURL, bucket)
+
+	body, err := json.Marshal(map[string][]string{"prefixes": paths})
+	if err != nil {
+		return fmt.Errorf("marshaling delete request: %w", err)
+	}
+
+	req, err := http.NewRequestWithContext(ctx, "DELETE", url, bytes.NewReader(body))
+	if err != nil {
+		return fmt.Errorf("creating delete request: %w", err)
+	}
+
+	req.Header.Set("Authorization", "Bearer "+s.serviceKey)
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := s.httpClient.Do(req)
+	if err != nil {
+		return fmt.Errorf("deleting from storage: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusNoContent {
+		respBody, _ := io.ReadAll(resp.Body)
+		return fmt.Errorf("storage delete failed (status %d): %s", resp.StatusCode, string(respBody))
+	}
+
+	return nil
+}
--- a/frontend/bun.lock
+++ b/frontend/bun.lock
@@ -13,6 +13,7 @@
        "next": "15.5.14",
        "react": "19.1.0",
        "react-dom": "19.1.0",
+        "react-dropzone": "^15.0.0",
        "sonner": "^2.0.7",
      },
      "devDependencies": {
@@ -315,6 +316,8 @@

    "async-function": ["async-function@1.0.0", "", {}, "sha512-hsU18Ae8CDTR6Kgu9DYf0EbCr/a5iGL0rytQDobUcdpYOKokk8LEjVphnXkDkgpi0wYVsqrXuP0bZxJaTqdgoA=="],

+    "attr-accept": ["attr-accept@2.2.5", "", {}, "sha512-0bDNnY/u6pPwHDMoF0FieU354oBi0a8rD9FcsLwzcGWbc8KS8KPIi7y+s13OlVY+gMWc/9xEMUgNE6Qm8ZllYQ=="],
+
    "available-typed-arrays": ["available-typed-arrays@1.0.7", "", { "dependencies": { "possible-typed-array-names": "^1.0.0" } }, "sha512-wvUjBtSGN7+7SjNpq/9M2Tg350UZD3q62IFZLbRAR1bSMlCo1ZaeW+BJ+D090e4hIIZLBcTDWe4Mh4jvUDajzQ=="],

    "axe-core": ["axe-core@4.11.1", "", {}, "sha512-BASOg+YwO2C+346x3LZOeoovTIoTrRqEsqMa6fmfAV0P+U9mFr9NsyOEpiYvFjbc64NMrSswhV50WdXzdb/Z5A=="],
@@ -445,6 +448,8 @@

    "file-entry-cache": ["file-entry-cache@8.0.0", "", { "dependencies": { "flat-cache": "^4.0.0" } }, "sha512-XXTUwCvisa5oacNGRP9SfNtYBNAMi+RPwBFmblZEF7N7swHYQS6/Zfk7SRwx4D5j3CH211YNRco1DEMNVfZCnQ=="],

+    "file-selector": ["file-selector@2.1.2", "", { "dependencies": { "tslib": "^2.7.0" } }, "sha512-QgXo+mXTe8ljeqUFaX3QVHc5osSItJ/Km+xpocx0aSqWGMSCf6qYs/VnzZgS864Pjn5iceMRFigeAV7AfTlaig=="],
+
    "fill-range": ["fill-range@7.1.1", "", { "dependencies": { "to-regex-range": "^5.0.1" } }, "sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg=="],

    "find-up": ["find-up@5.0.0", "", { "dependencies": { "locate-path": "^6.0.0", "path-exists": "^4.0.0" } }, "sha512-78/PXT1wlLLDgTzDs7sjq9hzz0vXD+zn+7wypEe4fXQxCmdmqfGsEPQxmiCSQI3ajFV91bVSsvNtrJRiW6nGng=="],
@@ -695,6 +700,8 @@

    "react-dom": ["react-dom@19.1.0", "", { "dependencies": { "scheduler": "^0.26.0" }, "peerDependencies": { "react": "^19.1.0" } }, "sha512-Xs1hdnE+DyKgeHJeJznQmYMIBG3TKIHJJT95Q58nHLSrElKlGQqDTR2HQ9fx5CN/Gk6Vh/kupBTDLU11/nDk/g=="],

+    "react-dropzone": ["react-dropzone@15.0.0", "", { "dependencies": { "attr-accept": "^2.2.4", "file-selector": "^2.1.0", "prop-types": "^15.8.1" }, "peerDependencies": { "react": ">= 16.8 || 18.0.0" } }, "sha512-lGjYV/EoqEjEWPnmiSvH4v5IoIAwQM2W4Z1C0Q/Pw2xD0eVzKPS359BQTUMum+1fa0kH2nrKjuavmTPOGhpLPg=="],
+
    "react-is": ["react-is@16.13.1", "", {}, "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="],

    "reflect.getprototypeof": ["reflect.getprototypeof@1.0.10", "", { "dependencies": { "call-bind": "^1.0.8", "define-properties": "^1.2.1", "es-abstract": "^1.23.9", "es-errors": "^1.3.0", "es-object-atoms": "^1.0.0", "get-intrinsic": "^1.2.7", "get-proto": "^1.0.1", "which-builtin-type": "^1.2.1" } }, "sha512-00o4I+DVrefhv+nX0ulyi3biSHCPDe+yLv5o/p6d/UVlirijB8E16FtfwSAi4g3tcqrQ4lRAqQSoFEZJehYEcw=="],
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -17,6 +17,7 @@
    "next": "15.5.14",
    "react": "19.1.0",
    "react-dom": "19.1.0",
+    "react-dropzone": "^15.0.0",
    "sonner": "^2.0.7"
  },
  "devDependencies": {
--- a/frontend/src/app/(app)/ai/extract/page.tsx
+++ b/frontend/src/app/(app)/ai/extract/page.tsx
@@ -0,0 +1,142 @@
+"use client";
+
+import { useState } from "react";
+import { useQuery } from "@tanstack/react-query";
+import { useRouter } from "next/navigation";
+import { toast } from "sonner";
+import { Brain } from "lucide-react";
+import { api } from "@/lib/api";
+import type {
+  Case,
+  ExtractedDeadline,
+  ExtractionResponse,
+  PaginatedResponse,
+} from "@/lib/types";
+import { ExtractionForm } from "@/components/ai/ExtractionForm";
+import { ExtractionResults } from "@/components/ai/ExtractionResults";
+
+export default function AIExtractPage() {
+  const router = useRouter();
+  const [selectedCaseId, setSelectedCaseId] = useState("");
+  const [isExtracting, setIsExtracting] = useState(false);
+  const [isAdopting, setIsAdopting] = useState(false);
+  const [results, setResults] = useState<ExtractedDeadline[] | null>(null);
+
+  const { data: casesData } = useQuery({
+    queryKey: ["cases"],
+    queryFn: () => api.get<PaginatedResponse<Case>>("/api/cases"),
+  });
+
+  const cases = casesData?.data ?? [];
+
+  async function handleExtract(file: File | null, text: string) {
+    setIsExtracting(true);
+    setResults(null);
+
+    try {
+      let response: ExtractionResponse;
+
+      if (file) {
+        const formData = new FormData();
+        formData.append("file", file);
+        response = await api.postFormData<ExtractionResponse>(
+          "/api/ai/extract-deadlines",
+          formData,
+        );
+      } else {
+        response = await api.post<ExtractionResponse>(
+          "/api/ai/extract-deadlines",
+          { text },
+        );
+      }
+
+      setResults(response.deadlines);
+
+      if (response.count === 0) {
+        toast.info("Keine Fristen im Dokument gefunden.");
+      } else {
+        toast.success(`${response.count} Frist(en) erkannt.`);
+      }
+    } catch (err: unknown) {
+      const message =
+        err && typeof err === "object" && "error" in err
+          ? (err as { error: string }).error
+          : "Analyse fehlgeschlagen";
+      toast.error(message);
+    } finally {
+      setIsExtracting(false);
+    }
+  }
+
+  async function handleAdopt(deadlines: ExtractedDeadline[]) {
+    if (!selectedCaseId) return;
+    setIsAdopting(true);
+
+    try {
+      const promises = deadlines.map((d) =>
+        api.post(`/api/cases/${selectedCaseId}/deadlines`, {
+          title: d.title,
+          due_date: d.due_date ?? "",
+          source: "ai_extraction",
+          notes: [
+            d.rule_reference ? `Rechtsgrundlage: ${d.rule_reference}` : "",
+            d.source_quote ? `Quelle: "${d.source_quote}"` : "",
+            `Konfidenz: ${Math.round(d.confidence * 100)}%`,
+          ]
+            .filter(Boolean)
+            .join("\n"),
+        }),
+      );
+
+      await Promise.all(promises);
+      toast.success(
+        `${deadlines.length} Frist(en) erfolgreich uebernommen.`,
+      );
+      router.push(`/akten/${selectedCaseId}`);
+    } catch (err: unknown) {
+      const message =
+        err && typeof err === "object" && "error" in err
+          ? (err as { error: string }).error
+          : "Uebernahme fehlgeschlagen";
+      toast.error(message);
+    } finally {
+      setIsAdopting(false);
+    }
+  }
+
+  return (
+    <div className="mx-auto max-w-4xl">
+      <div className="mb-6 flex items-center gap-3">
+        <Brain className="h-5 w-5 text-neutral-500" />
+        <div>
+          <h1 className="text-lg font-semibold text-neutral-900">
+            AI Fristenanalyse
+          </h1>
+          <p className="text-sm text-neutral-500">
+            Fristen automatisch aus Dokumenten extrahieren
+          </p>
+        </div>
+      </div>
+
+      <div className="rounded-lg border border-neutral-200 bg-white p-6">
+        <ExtractionForm
+          cases={cases}
+          selectedCaseId={selectedCaseId}
+          onCaseChange={setSelectedCaseId}
+          onExtract={handleExtract}
+          isLoading={isExtracting}
+        />
+      </div>
+
+      {results !== null && (
+        <div className="mt-6 rounded-lg border border-neutral-200 bg-white p-6">
+          <ExtractionResults
+            deadlines={results}
+            onAdopt={handleAdopt}
+            isAdopting={isAdopting}
+          />
+        </div>
+      )}
+    </div>
+  );
+}
--- a/frontend/src/app/(app)/cases/[id]/page.tsx
+++ b/frontend/src/app/(app)/cases/[id]/page.tsx
@@ -0,0 +1,267 @@
+"use client";
+
+import { useQuery } from "@tanstack/react-query";
+import { useParams } from "next/navigation";
+import { api } from "@/lib/api";
+import type { Case, CaseEvent, Party, Deadline, Document } from "@/lib/types";
+import { CaseTimeline } from "@/components/cases/CaseTimeline";
+import { PartyList } from "@/components/cases/PartyList";
+import { ArrowLeft, Clock, FileText, Users, Activity } from "lucide-react";
+import { format } from "date-fns";
+import { de } from "date-fns/locale";
+import Link from "next/link";
+import { useState } from "react";
+
+interface CaseDetail extends Case {
+  parties: Party[];
+  recent_events: CaseEvent[];
+  deadlines_count: number;
+}
+
+const STATUS_BADGE: Record<string, string> = {
+  active: "bg-emerald-50 text-emerald-700",
+  pending: "bg-amber-50 text-amber-700",
+  closed: "bg-neutral-100 text-neutral-600",
+  archived: "bg-neutral-100 text-neutral-400",
+};
+
+const TABS = [
+  { key: "timeline", label: "Verlauf", icon: Activity },
+  { key: "deadlines", label: "Fristen", icon: Clock },
+  { key: "documents", label: "Dokumente", icon: FileText },
+  { key: "parties", label: "Parteien", icon: Users },
+] as const;
+
+type TabKey = (typeof TABS)[number]["key"];
+
+export default function CaseDetailPage() {
+  const { id } = useParams<{ id: string }>();
+  const [activeTab, setActiveTab] = useState<TabKey>("timeline");
+
+  const { data: caseDetail, isLoading } = useQuery({
+    queryKey: ["case", id],
+    queryFn: () => api.get<CaseDetail>(`/cases/${id}`),
+  });
+
+  const { data: deadlinesData } = useQuery({
+    queryKey: ["case-deadlines", id],
+    queryFn: () =>
+      api.get<{ deadlines: Deadline[]; total: number }>(
+        `/deadlines?case_id=${id}`,
+      ),
+    enabled: activeTab === "deadlines",
+  });
+
+  const { data: documentsData } = useQuery({
+    queryKey: ["case-documents", id],
+    queryFn: () => api.get<Document[]>(`/cases/${id}/documents`),
+    enabled: activeTab === "documents",
+  });
+
+  if (isLoading) {
+    return (
+      <div className="py-12 text-center text-sm text-neutral-400">
+        Laden...
+      </div>
+    );
+  }
+
+  if (!caseDetail) {
+    return (
+      <div className="py-12 text-center text-sm text-neutral-400">
+        Akte nicht gefunden.
+      </div>
+    );
+  }
+
+  const deadlines = deadlinesData?.deadlines ?? [];
+  const documents = documentsData ?? [];
+
+  return (
+    <div>
+      <Link
+        href="/cases"
+        className="mb-4 inline-flex items-center gap-1 text-sm text-neutral-500 hover:text-neutral-700"
+      >
+        <ArrowLeft className="h-3.5 w-3.5" />
+        Zuruck zu Akten
+      </Link>
+
+      <div className="flex items-start justify-between">
+        <div>
+          <div className="flex items-center gap-3">
+            <h1 className="text-lg font-semibold text-neutral-900">
+              {caseDetail.title}
+            </h1>
+            <span
+              className={`inline-block rounded-full px-2 py-0.5 text-xs font-medium ${STATUS_BADGE[caseDetail.status] ?? "bg-neutral-100 text-neutral-500"}`}
+            >
+              {caseDetail.status}
+            </span>
+          </div>
+          <div className="mt-1 flex gap-4 text-sm text-neutral-500">
+            <span>Az. {caseDetail.case_number}</span>
+            {caseDetail.case_type && <span>{caseDetail.case_type}</span>}
+            {caseDetail.court && <span>{caseDetail.court}</span>}
+            {caseDetail.court_ref && <span>({caseDetail.court_ref})</span>}
+          </div>
+        </div>
+        <div className="text-right text-xs text-neutral-400">
+          <p>
+            Erstellt:{" "}
+            {format(new Date(caseDetail.created_at), "d. MMM yyyy", {
+              locale: de,
+            })}
+          </p>
+          <p>
+            Aktualisiert:{" "}
+            {format(new Date(caseDetail.updated_at), "d. MMM yyyy", {
+              locale: de,
+            })}
+          </p>
+        </div>
+      </div>
+
+      {caseDetail.ai_summary && (
+        <div className="mt-4 rounded-md border border-blue-100 bg-blue-50 px-4 py-3 text-sm text-blue-800">
+          {caseDetail.ai_summary}
+        </div>
+      )}
+
+      <div className="mt-6 border-b border-neutral-200">
+        <nav className="-mb-px flex gap-4">
+          {TABS.map((tab) => (
+            <button
+              key={tab.key}
+              onClick={() => setActiveTab(tab.key)}
+              className={`inline-flex items-center gap-1.5 border-b-2 px-1 pb-2.5 text-sm font-medium transition-colors ${
+                activeTab === tab.key
+                  ? "border-neutral-900 text-neutral-900"
+                  : "border-transparent text-neutral-400 hover:text-neutral-600"
+              }`}
+            >
+              <tab.icon className="h-4 w-4" />
+              {tab.label}
+              {tab.key === "deadlines" && caseDetail.deadlines_count > 0 && (
+                <span className="ml-1 rounded-full bg-neutral-100 px-1.5 py-0.5 text-xs text-neutral-500">
+                  {caseDetail.deadlines_count}
+                </span>
+              )}
+              {tab.key === "parties" && caseDetail.parties.length > 0 && (
+                <span className="ml-1 rounded-full bg-neutral-100 px-1.5 py-0.5 text-xs text-neutral-500">
+                  {caseDetail.parties.length}
+                </span>
+              )}
+            </button>
+          ))}
+        </nav>
+      </div>
+
+      <div className="mt-6">
+        {activeTab === "timeline" && (
+          <CaseTimeline events={caseDetail.recent_events ?? []} />
+        )}
+
+        {activeTab === "deadlines" && (
+          <DeadlinesList deadlines={deadlines} />
+        )}
+
+        {activeTab === "documents" && (
+          <DocumentsList documents={documents} />
+        )}
+
+        {activeTab === "parties" && (
+          <PartyList caseId={id} parties={caseDetail.parties ?? []} />
+        )}
+      </div>
+    </div>
+  );
+}
+
+function DeadlinesList({ deadlines }: { deadlines: Deadline[] }) {
+  if (deadlines.length === 0) {
+    return (
+      <p className="py-8 text-center text-sm text-neutral-400">
+        Keine Fristen vorhanden.
+      </p>
+    );
+  }
+
+  const DEADLINE_STATUS: Record<string, string> = {
+    pending: "bg-amber-50 text-amber-700",
+    completed: "bg-emerald-50 text-emerald-700",
+    overdue: "bg-red-50 text-red-700",
+  };
+
+  return (
+    <div className="space-y-2">
+      {deadlines.map((d) => (
+        <div
+          key={d.id}
+          className="flex items-center justify-between rounded-md border border-neutral-200 bg-white px-4 py-3"
+        >
+          <div>
+            <p className="text-sm font-medium text-neutral-900">{d.title}</p>
+            {d.description && (
+              <p className="mt-0.5 text-sm text-neutral-500">
+                {d.description}
+              </p>
+            )}
+          </div>
+          <div className="flex items-center gap-3">
+            <span
+              className={`rounded-full px-2 py-0.5 text-xs font-medium ${DEADLINE_STATUS[d.status] ?? "bg-neutral-100 text-neutral-500"}`}
+            >
+              {d.status}
+            </span>
+            <span className="text-sm text-neutral-500">
+              {format(new Date(d.due_date), "d. MMM yyyy", { locale: de })}
+            </span>
+          </div>
+        </div>
+      ))}
+    </div>
+  );
+}
+
+function DocumentsList({ documents }: { documents: Document[] }) {
+  if (documents.length === 0) {
+    return (
+      <p className="py-8 text-center text-sm text-neutral-400">
+        Keine Dokumente vorhanden.
+      </p>
+    );
+  }
+
+  return (
+    <div className="space-y-2">
+      {documents.map((doc) => (
+        <div
+          key={doc.id}
+          className="flex items-center justify-between rounded-md border border-neutral-200 bg-white px-4 py-3"
+        >
+          <div className="flex items-center gap-3">
+            <FileText className="h-4 w-4 text-neutral-400" />
+            <div>
+              <p className="text-sm font-medium text-neutral-900">
+                {doc.title}
+              </p>
+              <div className="flex gap-2 text-xs text-neutral-400">
+                {doc.doc_type && <span>{doc.doc_type}</span>}
+                {doc.file_size && (
+                  <span>{(doc.file_size / 1024).toFixed(0)} KB</span>
+                )}
+              </div>
+            </div>
+          </div>
+          <a
+            href={`/api/documents/${doc.id}`}
+            className="text-sm text-neutral-500 hover:text-neutral-700"
+          >
+            Herunterladen
+          </a>
+        </div>
+      ))}
+    </div>
+  );
+}
--- a/frontend/src/app/(app)/cases/new/page.tsx
+++ b/frontend/src/app/(app)/cases/new/page.tsx
@@ -0,0 +1,49 @@
+"use client";
+
+import { useMutation, useQueryClient } from "@tanstack/react-query";
+import { useRouter } from "next/navigation";
+import { toast } from "sonner";
+import { api } from "@/lib/api";
+import type { Case } from "@/lib/types";
+import { CaseForm, type CaseFormData } from "@/components/cases/CaseForm";
+import { ArrowLeft } from "lucide-react";
+import Link from "next/link";
+
+export default function NewCasePage() {
+  const router = useRouter();
+  const queryClient = useQueryClient();
+
+  const mutation = useMutation({
+    mutationFn: (data: CaseFormData) => api.post<Case>("/cases", data),
+    onSuccess: (created) => {
+      queryClient.invalidateQueries({ queryKey: ["cases"] });
+      toast.success("Akte angelegt");
+      router.push(`/cases/${created.id}`);
+    },
+    onError: () => {
+      toast.error("Fehler beim Anlegen der Akte");
+    },
+  });
+
+  return (
+    <div className="mx-auto max-w-2xl">
+      <Link
+        href="/cases"
+        className="mb-4 inline-flex items-center gap-1 text-sm text-neutral-500 hover:text-neutral-700"
+      >
+        <ArrowLeft className="h-3.5 w-3.5" />
+        Zuruck zu Akten
+      </Link>
+      <h1 className="text-lg font-semibold text-neutral-900">Neue Akte</h1>
+      <p className="mt-0.5 text-sm text-neutral-500">
+        Neue Akte im System anlegen
+      </p>
+      <div className="mt-6 rounded-md border border-neutral-200 bg-white p-6">
+        <CaseForm
+          onSubmit={(data) => mutation.mutate(data)}
+          isSubmitting={mutation.isPending}
+        />
+      </div>
+    </div>
+  );
+}
--- a/frontend/src/app/(app)/cases/page.tsx
+++ b/frontend/src/app/(app)/cases/page.tsx
@@ -0,0 +1,172 @@
+"use client";
+
+import { useQuery } from "@tanstack/react-query";
+import { api } from "@/lib/api";
+import type { Case } from "@/lib/types";
+import Link from "next/link";
+import { useSearchParams, useRouter } from "next/navigation";
+import { Plus, Search } from "lucide-react";
+import { useState } from "react";
+
+const STATUS_OPTIONS = [
+  { value: "", label: "Alle Status" },
+  { value: "active", label: "Aktiv" },
+  { value: "pending", label: "Anhangig" },
+  { value: "closed", label: "Geschlossen" },
+  { value: "archived", label: "Archiviert" },
+];
+
+const TYPE_OPTIONS = [
+  { value: "", label: "Alle Typen" },
+  { value: "INF", label: "Verletzungsklage" },
+  { value: "REV", label: "Widerruf" },
+  { value: "CCR", label: "Einstweilige Verfugung" },
+  { value: "APP", label: "Berufung" },
+  { value: "PI", label: "Vorlaufiger Rechtsschutz" },
+  { value: "ZPO_CIVIL", label: "ZPO Zivilverfahren" },
+];
+
+const STATUS_BADGE: Record<string, string> = {
+  active: "bg-emerald-50 text-emerald-700",
+  pending: "bg-amber-50 text-amber-700",
+  closed: "bg-neutral-100 text-neutral-600",
+  archived: "bg-neutral-100 text-neutral-400",
+};
+
+export default function CasesPage() {
+  const router = useRouter();
+  const searchParams = useSearchParams();
+
+  const [search, setSearch] = useState(searchParams.get("search") ?? "");
+  const [status, setStatus] = useState(searchParams.get("status") ?? "");
+  const [type, setType] = useState(searchParams.get("type") ?? "");
+
+  const { data, isLoading } = useQuery({
+    queryKey: ["cases", { search, status, type }],
+    queryFn: () => {
+      const params = new URLSearchParams();
+      if (search) params.set("search", search);
+      if (status) params.set("status", status);
+      if (type) params.set("type", type);
+      params.set("limit", "50");
+      const qs = params.toString();
+      return api.get<{ cases: Case[]; total: number }>(
+        `/cases${qs ? `?${qs}` : ""}`,
+      );
+    },
+  });
+
+  const cases = data?.cases ?? [];
+
+  return (
+    <div>
+      <div className="flex items-center justify-between">
+        <div>
+          <h1 className="text-lg font-semibold text-neutral-900">Akten</h1>
+          <p className="mt-0.5 text-sm text-neutral-500">
+            {data ? `${data.total} Akten` : "Laden..."}
+          </p>
+        </div>
+        <Link
+          href="/cases/new"
+          className="inline-flex items-center gap-1.5 rounded-md bg-neutral-900 px-3 py-1.5 text-sm font-medium text-white hover:bg-neutral-800"
+        >
+          <Plus className="h-4 w-4" />
+          Neue Akte
+        </Link>
+      </div>
+
+      <div className="mt-4 flex items-center gap-3">
+        <div className="relative flex-1">
+          <Search className="absolute left-2.5 top-1/2 h-4 w-4 -translate-y-1/2 text-neutral-400" />
+          <input
+            type="text"
+            placeholder="Suchen nach Aktenzeichen, Titel..."
+            value={search}
+            onChange={(e) => setSearch(e.target.value)}
+            className="w-full rounded-md border border-neutral-200 bg-white py-1.5 pl-9 pr-3 text-sm outline-none focus:border-neutral-400 focus:ring-1 focus:ring-neutral-400"
+          />
+        </div>
+        <select
+          value={status}
+          onChange={(e) => setStatus(e.target.value)}
+          className="rounded-md border border-neutral-200 bg-white px-2.5 py-1.5 text-sm outline-none focus:border-neutral-400"
+        >
+          {STATUS_OPTIONS.map((o) => (
+            <option key={o.value} value={o.value}>
+              {o.label}
+            </option>
+          ))}
+        </select>
+        <select
+          value={type}
+          onChange={(e) => setType(e.target.value)}
+          className="rounded-md border border-neutral-200 bg-white px-2.5 py-1.5 text-sm outline-none focus:border-neutral-400"
+        >
+          {TYPE_OPTIONS.map((o) => (
+            <option key={o.value} value={o.value}>
+              {o.label}
+            </option>
+          ))}
+        </select>
+      </div>
+
+      <div className="mt-4">
+        {isLoading ? (
+          <div className="py-12 text-center text-sm text-neutral-400">
+            Laden...
+          </div>
+        ) : cases.length === 0 ? (
+          <div className="py-12 text-center text-sm text-neutral-400">
+            Keine Akten gefunden.
+          </div>
+        ) : (
+          <div className="overflow-hidden rounded-md border border-neutral-200 bg-white">
+            <table className="w-full text-sm">
+              <thead>
+                <tr className="border-b border-neutral-100 text-left text-xs font-medium uppercase tracking-wider text-neutral-400">
+                  <th className="px-4 py-2.5">Aktenzeichen</th>
+                  <th className="px-4 py-2.5">Titel</th>
+                  <th className="px-4 py-2.5">Typ</th>
+                  <th className="px-4 py-2.5">Gericht</th>
+                  <th className="px-4 py-2.5">Status</th>
+                  <th className="px-4 py-2.5">Erstellt</th>
+                </tr>
+              </thead>
+              <tbody className="divide-y divide-neutral-100">
+                {cases.map((c) => (
+                  <tr
+                    key={c.id}
+                    onClick={() => router.push(`/cases/${c.id}`)}
+                    className="cursor-pointer hover:bg-neutral-50"
+                  >
+                    <td className="px-4 py-2.5 font-medium text-neutral-900">
+                      {c.case_number}
+                    </td>
+                    <td className="px-4 py-2.5 text-neutral-700">{c.title}</td>
+                    <td className="px-4 py-2.5 text-neutral-500">
+                      {c.case_type ?? "-"}
+                    </td>
+                    <td className="px-4 py-2.5 text-neutral-500">
+                      {c.court ?? "-"}
+                    </td>
+                    <td className="px-4 py-2.5">
+                      <span
+                        className={`inline-block rounded-full px-2 py-0.5 text-xs font-medium ${STATUS_BADGE[c.status] ?? "bg-neutral-100 text-neutral-500"}`}
+                      >
+                        {c.status}
+                      </span>
+                    </td>
+                    <td className="px-4 py-2.5 text-neutral-400">
+                      {new Date(c.created_at).toLocaleDateString("de-DE")}
+                    </td>
+                  </tr>
+                ))}
+              </tbody>
+            </table>
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}
--- a/frontend/src/app/(app)/dashboard/page.tsx
+++ b/frontend/src/app/(app)/dashboard/page.tsx
@@ -0,0 +1,69 @@
+"use client";
+
+import { useQuery } from "@tanstack/react-query";
+import { api } from "@/lib/api";
+import type { DashboardData } from "@/lib/types";
+import { DeadlineTrafficLights } from "@/components/dashboard/DeadlineTrafficLights";
+import { CaseOverviewGrid } from "@/components/dashboard/CaseOverviewGrid";
+import { UpcomingTimeline } from "@/components/dashboard/UpcomingTimeline";
+import { AISummaryCard } from "@/components/dashboard/AISummaryCard";
+import { QuickActions } from "@/components/dashboard/QuickActions";
+import { Loader2 } from "lucide-react";
+
+export default function DashboardPage() {
+  const { data, isLoading, error } = useQuery({
+    queryKey: ["dashboard"],
+    queryFn: () => api.get<DashboardData>("/dashboard"),
+    refetchInterval: 60_000,
+  });
+
+  if (isLoading) {
+    return (
+      <div className="flex h-full items-center justify-center">
+        <Loader2 className="h-6 w-6 animate-spin text-neutral-400" />
+      </div>
+    );
+  }
+
+  if (error || !data) {
+    return (
+      <div className="flex h-full items-center justify-center">
+        <p className="text-sm text-neutral-500">
+          Dashboard konnte nicht geladen werden.
+        </p>
+      </div>
+    );
+  }
+
+  return (
+    <div className="mx-auto max-w-6xl space-y-6">
+      <div>
+        <h1 className="text-lg font-semibold text-neutral-900">Dashboard</h1>
+        <p className="mt-0.5 text-sm text-neutral-500">
+          Fristenübersicht und Kanzlei-Status
+        </p>
+      </div>
+
+      {/* Traffic Lights — the hero section */}
+      <DeadlineTrafficLights data={data.deadline_summary} />
+
+      {/* Main content grid */}
+      <div className="grid grid-cols-1 gap-6 lg:grid-cols-3">
+        {/* Left column: Timeline (takes 2 cols) */}
+        <div className="lg:col-span-2">
+          <UpcomingTimeline
+            deadlines={data.upcoming_deadlines}
+            appointments={data.upcoming_appointments}
+          />
+        </div>
+
+        {/* Right column: Case overview, AI summary, Quick actions */}
+        <div className="space-y-6">
+          <CaseOverviewGrid data={data.case_summary} />
+          <AISummaryCard data={data} />
+          <QuickActions />
+        </div>
+      </div>
+    </div>
+  );
+}
--- a/frontend/src/app/(app)/fristen/page.tsx
+++ b/frontend/src/app/(app)/fristen/page.tsx
@@ -0,0 +1,73 @@
+"use client";
+
+import { DeadlineList } from "@/components/deadlines/DeadlineList";
+import { DeadlineCalendarView } from "@/components/deadlines/DeadlineCalendarView";
+import { useQuery } from "@tanstack/react-query";
+import { api } from "@/lib/api";
+import type { Deadline } from "@/lib/types";
+import { Calendar, List, Calculator } from "lucide-react";
+import Link from "next/link";
+import { useState } from "react";
+
+type ViewMode = "list" | "calendar";
+
+export default function FristenPage() {
+  const [view, setView] = useState<ViewMode>("list");
+
+  const { data: deadlines } = useQuery({
+    queryKey: ["deadlines"],
+    queryFn: () => api.get<Deadline[]>("/api/deadlines"),
+  });
+
+  return (
+    <div className="space-y-4">
+      <div className="flex items-center justify-between">
+        <div>
+          <h1 className="text-lg font-semibold text-neutral-900">Fristen</h1>
+          <p className="mt-0.5 text-sm text-neutral-500">
+            Alle Fristen im Uberblick
+          </p>
+        </div>
+        <div className="flex items-center gap-2">
+          <Link
+            href="/fristen/rechner"
+            className="flex items-center gap-1.5 rounded-md border border-neutral-200 bg-white px-3 py-1.5 text-sm text-neutral-700 transition-colors hover:bg-neutral-50"
+          >
+            <Calculator className="h-3.5 w-3.5" />
+            Fristenrechner
+          </Link>
+          <div className="flex rounded-md border border-neutral-200 bg-white">
+            <button
+              onClick={() => setView("list")}
+              className={`flex items-center gap-1 rounded-l-md px-2.5 py-1.5 text-sm transition-colors ${
+                view === "list"
+                  ? "bg-neutral-100 font-medium text-neutral-900"
+                  : "text-neutral-500 hover:text-neutral-700"
+              }`}
+            >
+              <List className="h-3.5 w-3.5" />
+              Liste
+            </button>
+            <button
+              onClick={() => setView("calendar")}
+              className={`flex items-center gap-1 rounded-r-md px-2.5 py-1.5 text-sm transition-colors ${
+                view === "calendar"
+                  ? "bg-neutral-100 font-medium text-neutral-900"
+                  : "text-neutral-500 hover:text-neutral-700"
+              }`}
+            >
+              <Calendar className="h-3.5 w-3.5" />
+              Kalender
+            </button>
+          </div>
+        </div>
+      </div>
+
+      {view === "list" ? (
+        <DeadlineList />
+      ) : (
+        <DeadlineCalendarView deadlines={deadlines || []} />
+      )}
+    </div>
+  );
+}
--- a/frontend/src/app/(app)/fristen/rechner/page.tsx
+++ b/frontend/src/app/(app)/fristen/rechner/page.tsx
@@ -0,0 +1,26 @@
+"use client";
+
+import { DeadlineCalculator } from "@/components/deadlines/DeadlineCalculator";
+import { ArrowLeft } from "lucide-react";
+import Link from "next/link";
+
+export default function FristenrechnerPage() {
+  return (
+    <div className="space-y-4">
+      <div>
+        <Link
+          href="/fristen"
+          className="mb-2 inline-flex items-center gap-1 text-sm text-neutral-500 hover:text-neutral-700"
+        >
+          <ArrowLeft className="h-3.5 w-3.5" />
+          Zuruck zu Fristen
+        </Link>
+        <h1 className="text-lg font-semibold text-neutral-900">Fristenrechner</h1>
+        <p className="mt-0.5 text-sm text-neutral-500">
+          Berechnen Sie Fristen basierend auf Verfahrensart und Auslosedatum
+        </p>
+      </div>
+      <DeadlineCalculator />
+    </div>
+  );
+}
--- a/frontend/src/app/(app)/page.tsx
+++ b/frontend/src/app/(app)/page.tsx
@@ -1,10 +1,5 @@
-export default function DashboardPage() {
-  return (
-    <div>
-      <h1 className="text-lg font-semibold text-neutral-900">Dashboard</h1>
-      <p className="mt-1 text-sm text-neutral-500">
-        Willkommen bei KanzlAI
-      </p>
-    </div>
-  );
+import { redirect } from "next/navigation";
+
+export default function RootPage() {
+  redirect("/dashboard");
 }
--- a/frontend/src/app/(app)/termine/page.tsx
+++ b/frontend/src/app/(app)/termine/page.tsx
@@ -0,0 +1,99 @@
+"use client";
+
+import { AppointmentList } from "@/components/appointments/AppointmentList";
+import { AppointmentCalendar } from "@/components/appointments/AppointmentCalendar";
+import { AppointmentModal } from "@/components/appointments/AppointmentModal";
+import { useQuery } from "@tanstack/react-query";
+import { api } from "@/lib/api";
+import type { Appointment } from "@/lib/types";
+import { Calendar, List, Plus } from "lucide-react";
+import { useState } from "react";
+
+type ViewMode = "list" | "calendar";
+
+export default function TerminePage() {
+  const [view, setView] = useState<ViewMode>("list");
+  const [modalOpen, setModalOpen] = useState(false);
+  const [editingAppointment, setEditingAppointment] = useState<Appointment | null>(null);
+
+  const { data: appointments } = useQuery({
+    queryKey: ["appointments"],
+    queryFn: () => api.get<Appointment[]>("/api/appointments"),
+  });
+
+  function handleEdit(appointment: Appointment) {
+    setEditingAppointment(appointment);
+    setModalOpen(true);
+  }
+
+  function handleCreate() {
+    setEditingAppointment(null);
+    setModalOpen(true);
+  }
+
+  function handleClose() {
+    setModalOpen(false);
+    setEditingAppointment(null);
+  }
+
+  return (
+    <div className="space-y-4">
+      <div className="flex items-center justify-between">
+        <div>
+          <h1 className="text-lg font-semibold text-neutral-900">Termine</h1>
+          <p className="mt-0.5 text-sm text-neutral-500">
+            Alle Termine im Uberblick
+          </p>
+        </div>
+        <div className="flex items-center gap-2">
+          <button
+            onClick={handleCreate}
+            className="flex items-center gap-1.5 rounded-md bg-neutral-900 px-3 py-1.5 text-sm font-medium text-white hover:bg-neutral-800"
+          >
+            <Plus className="h-3.5 w-3.5" />
+            Neuer Termin
+          </button>
+          <div className="flex rounded-md border border-neutral-200 bg-white">
+            <button
+              onClick={() => setView("list")}
+              className={`flex items-center gap-1 rounded-l-md px-2.5 py-1.5 text-sm transition-colors ${
+                view === "list"
+                  ? "bg-neutral-100 font-medium text-neutral-900"
+                  : "text-neutral-500 hover:text-neutral-700"
+              }`}
+            >
+              <List className="h-3.5 w-3.5" />
+              Liste
+            </button>
+            <button
+              onClick={() => setView("calendar")}
+              className={`flex items-center gap-1 rounded-r-md px-2.5 py-1.5 text-sm transition-colors ${
+                view === "calendar"
+                  ? "bg-neutral-100 font-medium text-neutral-900"
+                  : "text-neutral-500 hover:text-neutral-700"
+              }`}
+            >
+              <Calendar className="h-3.5 w-3.5" />
+              Kalender
+            </button>
+          </div>
+        </div>
+      </div>
+
+      {view === "list" ? (
+        <AppointmentList onEdit={handleEdit} />
+      ) : (
+        <AppointmentCalendar
+          appointments={appointments || []}
+          onAppointmentClick={handleEdit}
+        />
+      )}
+
+      <AppointmentModal
+        open={modalOpen}
+        onClose={handleClose}
+        appointment={editingAppointment}
+      />
+    </div>
+  );
+}
--- a/frontend/src/app/globals.css
+++ b/frontend/src/app/globals.css
@@ -9,3 +9,18 @@ body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
 }
+
+@keyframes count-up {
+  0% {
+    transform: translateY(8px);
+    opacity: 0;
+  }
+  100% {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
+
+.animate-count-up {
+  animation: count-up 0.3s ease-out;
+}
--- a/frontend/src/components/ai/ExtractionForm.tsx
+++ b/frontend/src/components/ai/ExtractionForm.tsx
@@ -0,0 +1,169 @@
+"use client";
+
+import { useCallback, useState } from "react";
+import { useDropzone } from "react-dropzone";
+import { Upload, FileText, X, Loader2 } from "lucide-react";
+import type { Case } from "@/lib/types";
+
+interface ExtractionFormProps {
+  cases: Case[];
+  selectedCaseId: string;
+  onCaseChange: (caseId: string) => void;
+  onExtract: (file: File | null, text: string) => void;
+  isLoading: boolean;
+}
+
+export function ExtractionForm({
+  cases,
+  selectedCaseId,
+  onCaseChange,
+  onExtract,
+  isLoading,
+}: ExtractionFormProps) {
+  const [file, setFile] = useState<File | null>(null);
+  const [text, setText] = useState("");
+
+  const onDrop = useCallback((acceptedFiles: File[]) => {
+    if (acceptedFiles.length > 0) {
+      setFile(acceptedFiles[0]);
+      setText("");
+    }
+  }, []);
+
+  const { getRootProps, getInputProps, isDragActive } = useDropzone({
+    onDrop,
+    accept: { "application/pdf": [".pdf"] },
+    maxFiles: 1,
+    disabled: isLoading,
+  });
+
+  function removeFile() {
+    setFile(null);
+  }
+
+  function handleSubmit(e: React.FormEvent) {
+    e.preventDefault();
+    if (!selectedCaseId || (!file && !text.trim())) return;
+    onExtract(file, text.trim());
+  }
+
+  const hasInput = file !== null || text.trim().length > 0;
+
+  return (
+    <form onSubmit={handleSubmit} className="space-y-5">
+      {/* Case selector */}
+      <div>
+        <label
+          htmlFor="case-select"
+          className="mb-1.5 block text-sm font-medium text-neutral-700"
+        >
+          Akte
+        </label>
+        <select
+          id="case-select"
+          value={selectedCaseId}
+          onChange={(e) => onCaseChange(e.target.value)}
+          className="w-full rounded-md border border-neutral-300 bg-white px-3 py-2 text-sm text-neutral-900 focus:border-neutral-500 focus:outline-none focus:ring-1 focus:ring-neutral-500"
+          disabled={isLoading}
+        >
+          <option value="">Akte auswaehlen...</option>
+          {cases.map((c) => (
+            <option key={c.id} value={c.id}>
+              {c.case_number} - {c.title}
+            </option>
+          ))}
+        </select>
+      </div>
+
+      {/* PDF dropzone */}
+      <div>
+        <label className="mb-1.5 block text-sm font-medium text-neutral-700">
+          PDF hochladen
+        </label>
+        {file ? (
+          <div className="flex items-center gap-3 rounded-md border border-neutral-200 bg-neutral-50 px-4 py-3">
+            <FileText className="h-5 w-5 shrink-0 text-neutral-500" />
+            <div className="min-w-0 flex-1">
+              <p className="truncate text-sm font-medium text-neutral-900">
+                {file.name}
+              </p>
+              <p className="text-xs text-neutral-500">
+                {(file.size / 1024).toFixed(0)} KB
+              </p>
+            </div>
+            <button
+              type="button"
+              onClick={removeFile}
+              disabled={isLoading}
+              className="rounded p-1 text-neutral-400 hover:bg-neutral-200 hover:text-neutral-600"
+            >
+              <X className="h-4 w-4" />
+            </button>
+          </div>
+        ) : (
+          <div
+            {...getRootProps()}
+            className={`cursor-pointer rounded-md border-2 border-dashed px-6 py-8 text-center transition-colors ${
+              isDragActive
+                ? "border-neutral-500 bg-neutral-50"
+                : "border-neutral-300 hover:border-neutral-400"
+            } ${isLoading ? "pointer-events-none opacity-50" : ""}`}
+          >
+            <input {...getInputProps()} />
+            <Upload className="mx-auto h-8 w-8 text-neutral-400" />
+            <p className="mt-2 text-sm text-neutral-600">
+              PDF hierher ziehen oder{" "}
+              <span className="font-medium text-neutral-900">durchsuchen</span>
+            </p>
+            <p className="mt-1 text-xs text-neutral-400">Nur PDF-Dateien</p>
+          </div>
+        )}
+      </div>
+
+      {/* Divider */}
+      <div className="flex items-center gap-3">
+        <div className="h-px flex-1 bg-neutral-200" />
+        <span className="text-xs text-neutral-400">oder</span>
+        <div className="h-px flex-1 bg-neutral-200" />
+      </div>
+
+      {/* Text input */}
+      <div>
+        <label
+          htmlFor="text-input"
+          className="mb-1.5 block text-sm font-medium text-neutral-700"
+        >
+          Text eingeben
+        </label>
+        <textarea
+          id="text-input"
+          value={text}
+          onChange={(e) => {
+            setText(e.target.value);
+            if (e.target.value.trim()) setFile(null);
+          }}
+          placeholder="Gerichtsschriftsatz, Beschluss oder sonstigen Text hier einfuegen..."
+          rows={6}
+          disabled={isLoading}
+          className="w-full rounded-md border border-neutral-300 px-3 py-2 text-sm text-neutral-900 placeholder:text-neutral-400 focus:border-neutral-500 focus:outline-none focus:ring-1 focus:ring-neutral-500 disabled:opacity-50"
+        />
+      </div>
+
+      {/* Submit */}
+      <button
+        type="submit"
+        disabled={isLoading || !hasInput || !selectedCaseId}
+        className="inline-flex items-center gap-2 rounded-md bg-neutral-900 px-4 py-2 text-sm font-medium text-white transition-colors hover:bg-neutral-800 disabled:cursor-not-allowed disabled:opacity-50"
+      >
+        {isLoading ? (
+          <>
+            <Loader2 className="h-4 w-4 animate-spin" />
+            Analysiere...
+          </>
+        ) : (
+          "Analysieren"
+        )}
+      </button>
+    </form>
+  );
+}
--- a/frontend/src/components/ai/ExtractionResults.tsx
+++ b/frontend/src/components/ai/ExtractionResults.tsx
@@ -0,0 +1,238 @@
+"use client";
+
+import { useState } from "react";
+import { Trash2, Check, Pencil, X, Loader2 } from "lucide-react";
+import type { ExtractedDeadline } from "@/lib/types";
+
+interface ExtractionResultsProps {
+  deadlines: ExtractedDeadline[];
+  onAdopt: (deadlines: ExtractedDeadline[]) => void;
+  isAdopting: boolean;
+}
+
+function confidenceColor(confidence: number): string {
+  if (confidence >= 0.8) return "bg-green-100 text-green-800";
+  if (confidence >= 0.5) return "bg-yellow-100 text-yellow-800";
+  return "bg-red-100 text-red-800";
+}
+
+function confidenceLabel(confidence: number): string {
+  if (confidence >= 0.8) return "Hoch";
+  if (confidence >= 0.5) return "Mittel";
+  return "Niedrig";
+}
+
+export function ExtractionResults({
+  deadlines: initialDeadlines,
+  onAdopt,
+  isAdopting,
+}: ExtractionResultsProps) {
+  const [deadlines, setDeadlines] = useState(initialDeadlines);
+  const [editingIndex, setEditingIndex] = useState<number | null>(null);
+  const [editForm, setEditForm] = useState<ExtractedDeadline | null>(null);
+
+  function removeDeadline(index: number) {
+    setDeadlines((prev) => prev.filter((_, i) => i !== index));
+  }
+
+  function startEdit(index: number) {
+    setEditingIndex(index);
+    setEditForm({ ...deadlines[index] });
+  }
+
+  function cancelEdit() {
+    setEditingIndex(null);
+    setEditForm(null);
+  }
+
+  function saveEdit() {
+    if (editingIndex === null || !editForm) return;
+    setDeadlines((prev) =>
+      prev.map((d, i) => (i === editingIndex ? editForm : d)),
+    );
+    setEditingIndex(null);
+    setEditForm(null);
+  }
+
+  if (deadlines.length === 0) {
+    return (
+      <div className="rounded-md border border-neutral-200 bg-neutral-50 p-6 text-center">
+        <p className="text-sm text-neutral-500">
+          Keine Fristen gefunden. Alle extrahierten Fristen wurden entfernt.
+        </p>
+      </div>
+    );
+  }
+
+  return (
+    <div className="space-y-4">
+      <div className="flex items-center justify-between">
+        <h3 className="text-sm font-medium text-neutral-900">
+          {deadlines.length} Frist{deadlines.length !== 1 ? "en" : ""} erkannt
+        </h3>
+        <button
+          onClick={() => onAdopt(deadlines)}
+          disabled={isAdopting || deadlines.length === 0}
+          className="inline-flex items-center gap-2 rounded-md bg-neutral-900 px-4 py-2 text-sm font-medium text-white transition-colors hover:bg-neutral-800 disabled:cursor-not-allowed disabled:opacity-50"
+        >
+          {isAdopting ? (
+            <>
+              <Loader2 className="h-4 w-4 animate-spin" />
+              Uebernehme...
+            </>
+          ) : (
+            <>
+              <Check className="h-4 w-4" />
+              Fristen uebernehmen
+            </>
+          )}
+        </button>
+      </div>
+
+      <div className="overflow-hidden rounded-md border border-neutral-200">
+        <table className="w-full text-sm">
+          <thead>
+            <tr className="border-b border-neutral-200 bg-neutral-50">
+              <th className="px-4 py-2.5 text-left font-medium text-neutral-700">
+                Frist
+              </th>
+              <th className="px-4 py-2.5 text-left font-medium text-neutral-700">
+                Faelligkeitsdatum
+              </th>
+              <th className="px-4 py-2.5 text-left font-medium text-neutral-700">
+                Rechtsgrundlage
+              </th>
+              <th className="px-4 py-2.5 text-left font-medium text-neutral-700">
+                Konfidenz
+              </th>
+              <th className="px-4 py-2.5 text-left font-medium text-neutral-700">
+                Quellenangabe
+              </th>
+              <th className="px-4 py-2.5 text-right font-medium text-neutral-700">
+                Aktionen
+              </th>
+            </tr>
+          </thead>
+          <tbody>
+            {deadlines.map((d, i) => (
+              <tr
+                key={i}
+                className="border-b border-neutral-100 last:border-b-0"
+              >
+                {editingIndex === i && editForm ? (
+                  <>
+                    <td className="px-4 py-2">
+                      <input
+                        value={editForm.title}
+                        onChange={(e) =>
+                          setEditForm({ ...editForm, title: e.target.value })
+                        }
+                        className="w-full rounded border border-neutral-300 px-2 py-1 text-sm"
+                      />
+                    </td>
+                    <td className="px-4 py-2">
+                      <input
+                        type="date"
+                        value={editForm.due_date ?? ""}
+                        onChange={(e) =>
+                          setEditForm({
+                            ...editForm,
+                            due_date: e.target.value || null,
+                          })
+                        }
+                        className="rounded border border-neutral-300 px-2 py-1 text-sm"
+                      />
+                    </td>
+                    <td className="px-4 py-2">
+                      <input
+                        value={editForm.rule_reference}
+                        onChange={(e) =>
+                          setEditForm({
+                            ...editForm,
+                            rule_reference: e.target.value,
+                          })
+                        }
+                        className="w-full rounded border border-neutral-300 px-2 py-1 text-sm"
+                      />
+                    </td>
+                    <td className="px-4 py-2">
+                      <span
+                        className={`inline-block rounded-full px-2 py-0.5 text-xs font-medium ${confidenceColor(editForm.confidence)}`}
+                      >
+                        {confidenceLabel(editForm.confidence)}
+                      </span>
+                    </td>
+                    <td className="px-4 py-2 text-xs text-neutral-500">
+                      {editForm.source_quote}
+                    </td>
+                    <td className="px-4 py-2 text-right">
+                      <div className="flex items-center justify-end gap-1">
+                        <button
+                          onClick={saveEdit}
+                          className="rounded p-1 text-green-600 hover:bg-green-50"
+                          title="Speichern"
+                        >
+                          <Check className="h-4 w-4" />
+                        </button>
+                        <button
+                          onClick={cancelEdit}
+                          className="rounded p-1 text-neutral-400 hover:bg-neutral-100"
+                          title="Abbrechen"
+                        >
+                          <X className="h-4 w-4" />
+                        </button>
+                      </div>
+                    </td>
+                  </>
+                ) : (
+                  <>
+                    <td className="px-4 py-2.5 font-medium text-neutral-900">
+                      {d.title}
+                    </td>
+                    <td className="px-4 py-2.5 text-neutral-700">
+                      {d.due_date
+                        ? new Date(d.due_date).toLocaleDateString("de-DE")
+                        : `${d.duration_value} ${d.duration_unit}`}
+                    </td>
+                    <td className="px-4 py-2.5 text-neutral-600">
+                      {d.rule_reference || "-"}
+                    </td>
+                    <td className="px-4 py-2.5">
+                      <span
+                        className={`inline-block rounded-full px-2 py-0.5 text-xs font-medium ${confidenceColor(d.confidence)}`}
+                      >
+                        {confidenceLabel(d.confidence)}{" "}
+                        {Math.round(d.confidence * 100)}%
+                      </span>
+                    </td>
+                    <td className="max-w-48 truncate px-4 py-2.5 text-xs text-neutral-500">
+                      {d.source_quote || "-"}
+                    </td>
+                    <td className="px-4 py-2.5 text-right">
+                      <div className="flex items-center justify-end gap-1">
+                        <button
+                          onClick={() => startEdit(i)}
+                          className="rounded p-1 text-neutral-400 hover:bg-neutral-100 hover:text-neutral-600"
+                          title="Bearbeiten"
+                        >
+                          <Pencil className="h-3.5 w-3.5" />
+                        </button>
+                        <button
+                          onClick={() => removeDeadline(i)}
+                          className="rounded p-1 text-neutral-400 hover:bg-red-50 hover:text-red-600"
+                          title="Entfernen"
+                        >
+                          <Trash2 className="h-3.5 w-3.5" />
+                        </button>
+                      </div>
+                    </td>
+                  </>
+                )}
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      </div>
+    </div>
+  );
+}
--- a/frontend/src/components/appointments/AppointmentCalendar.tsx
+++ b/frontend/src/components/appointments/AppointmentCalendar.tsx
@@ -0,0 +1,160 @@
+"use client";
+
+import type { Appointment } from "@/lib/types";
+import {
+  format,
+  startOfMonth,
+  endOfMonth,
+  startOfWeek,
+  endOfWeek,
+  eachDayOfInterval,
+  isSameMonth,
+  isToday,
+  parseISO,
+  addMonths,
+  subMonths,
+} from "date-fns";
+import { de } from "date-fns/locale";
+import { ChevronLeft, ChevronRight } from "lucide-react";
+import { useState, useMemo } from "react";
+
+const TYPE_DOT_COLORS: Record<string, string> = {
+  hearing: "bg-blue-500",
+  meeting: "bg-violet-500",
+  consultation: "bg-emerald-500",
+  deadline_hearing: "bg-amber-500",
+  other: "bg-neutral-400",
+};
+
+interface AppointmentCalendarProps {
+  appointments: Appointment[];
+  onDayClick?: (date: string) => void;
+  onAppointmentClick?: (appointment: Appointment) => void;
+}
+
+export function AppointmentCalendar({
+  appointments,
+  onDayClick,
+  onAppointmentClick,
+}: AppointmentCalendarProps) {
+  const [currentMonth, setCurrentMonth] = useState(new Date());
+
+  const monthStart = startOfMonth(currentMonth);
+  const monthEnd = endOfMonth(currentMonth);
+  const calStart = startOfWeek(monthStart, { weekStartsOn: 1 });
+  const calEnd = endOfWeek(monthEnd, { weekStartsOn: 1 });
+  const days = eachDayOfInterval({ start: calStart, end: calEnd });
+
+  const appointmentsByDay = useMemo(() => {
+    const map = new Map<string, Appointment[]>();
+    for (const a of appointments) {
+      const key = a.start_at.slice(0, 10);
+      const existing = map.get(key) || [];
+      existing.push(a);
+      map.set(key, existing);
+    }
+    return map;
+  }, [appointments]);
+
+  const weekDays = ["Mo", "Di", "Mi", "Do", "Fr", "Sa", "So"];
+
+  return (
+    <div className="rounded-lg border border-neutral-200 bg-white">
+      {/* Header */}
+      <div className="flex items-center justify-between border-b border-neutral-200 px-4 py-3">
+        <button
+          onClick={() => setCurrentMonth(subMonths(currentMonth, 1))}
+          className="rounded-md p-1 text-neutral-400 hover:bg-neutral-100 hover:text-neutral-600"
+        >
+          <ChevronLeft className="h-4 w-4" />
+        </button>
+        <span className="text-sm font-medium text-neutral-900">
+          {format(currentMonth, "MMMM yyyy", { locale: de })}
+        </span>
+        <button
+          onClick={() => setCurrentMonth(addMonths(currentMonth, 1))}
+          className="rounded-md p-1 text-neutral-400 hover:bg-neutral-100 hover:text-neutral-600"
+        >
+          <ChevronRight className="h-4 w-4" />
+        </button>
+      </div>
+
+      {/* Weekday labels */}
+      <div className="grid grid-cols-7 border-b border-neutral-100">
+        {weekDays.map((d) => (
+          <div key={d} className="px-2 py-2 text-center text-xs font-medium text-neutral-400">
+            {d}
+          </div>
+        ))}
+      </div>
+
+      {/* Days grid */}
+      <div className="grid grid-cols-7">
+        {days.map((day, i) => {
+          const key = format(day, "yyyy-MM-dd");
+          const dayAppointments = appointmentsByDay.get(key) || [];
+          const inMonth = isSameMonth(day, currentMonth);
+          const today = isToday(day);
+
+          return (
+            <div
+              key={i}
+              onClick={() => onDayClick?.(key)}
+              className={`min-h-[5rem] cursor-pointer border-b border-r border-neutral-100 p-1.5 transition-colors hover:bg-neutral-50 ${
+                !inMonth ? "bg-neutral-50/50" : ""
+              }`}
+            >
+              <div
+                className={`mb-1 text-right text-xs ${
+                  today
+                    ? "font-bold text-neutral-900"
+                    : inMonth
+                      ? "text-neutral-600"
+                      : "text-neutral-300"
+                }`}
+              >
+                {today ? (
+                  <span className="inline-flex h-5 w-5 items-center justify-center rounded-full bg-neutral-900 text-white">
+                    {format(day, "d")}
+                  </span>
+                ) : (
+                  format(day, "d")
+                )}
+              </div>
+              <div className="space-y-0.5">
+                {dayAppointments.slice(0, 3).map((appt) => {
+                  const dotColor =
+                    TYPE_DOT_COLORS[appt.appointment_type ?? "other"] ?? TYPE_DOT_COLORS.other;
+                  return (
+                    <div
+                      key={appt.id}
+                      onClick={(e) => {
+                        e.stopPropagation();
+                        onAppointmentClick?.(appt);
+                      }}
+                      className="flex items-center gap-1 truncate rounded px-0.5 hover:bg-neutral-100"
+                      title={`${format(parseISO(appt.start_at), "HH:mm")} ${appt.title}`}
+                    >
+                      <div className={`h-1.5 w-1.5 shrink-0 rounded-full ${dotColor}`} />
+                      <span className="truncate text-[10px] text-neutral-700">
+                        <span className="font-medium">
+                          {format(parseISO(appt.start_at), "HH:mm")}
+                        </span>{" "}
+                        {appt.title}
+                      </span>
+                    </div>
+                  );
+                })}
+                {dayAppointments.length > 3 && (
+                  <div className="text-[10px] text-neutral-400">
+                    +{dayAppointments.length - 3} mehr
+                  </div>
+                )}
+              </div>
+            </div>
+          );
+        })}
+      </div>
+    </div>
+  );
+}
--- a/frontend/src/components/appointments/AppointmentList.tsx
+++ b/frontend/src/components/appointments/AppointmentList.tsx
@@ -0,0 +1,265 @@
+"use client";
+
+import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
+import { api } from "@/lib/api";
+import type { Appointment, Case } from "@/lib/types";
+import { format, parseISO, isToday, isTomorrow, isThisWeek, isPast } from "date-fns";
+import { de } from "date-fns/locale";
+import { Calendar, Filter, MapPin, Trash2 } from "lucide-react";
+import { toast } from "sonner";
+import { useState, useMemo } from "react";
+
+const TYPE_LABELS: Record<string, string> = {
+  hearing: "Verhandlung",
+  meeting: "Besprechung",
+  consultation: "Beratung",
+  deadline_hearing: "Fristanhorung",
+  other: "Sonstiges",
+};
+
+const TYPE_COLORS: Record<string, string> = {
+  hearing: "bg-blue-100 text-blue-700",
+  meeting: "bg-violet-100 text-violet-700",
+  consultation: "bg-emerald-100 text-emerald-700",
+  deadline_hearing: "bg-amber-100 text-amber-700",
+  other: "bg-neutral-100 text-neutral-600",
+};
+
+interface AppointmentListProps {
+  onEdit: (appointment: Appointment) => void;
+}
+
+function groupByDate(appointments: Appointment[]): Map<string, Appointment[]> {
+  const groups = new Map<string, Appointment[]>();
+  for (const a of appointments) {
+    const key = a.start_at.slice(0, 10);
+    const group = groups.get(key) || [];
+    group.push(a);
+    groups.set(key, group);
+  }
+  return groups;
+}
+
+function formatDateLabel(dateStr: string): string {
+  const d = parseISO(dateStr);
+  if (isToday(d)) return "Heute";
+  if (isTomorrow(d)) return "Morgen";
+  return format(d, "EEEE, d. MMMM yyyy", { locale: de });
+}
+
+export function AppointmentList({ onEdit }: AppointmentListProps) {
+  const queryClient = useQueryClient();
+  const [caseFilter, setCaseFilter] = useState("all");
+  const [typeFilter, setTypeFilter] = useState("all");
+
+  const { data: appointments, isLoading } = useQuery({
+    queryKey: ["appointments"],
+    queryFn: () => api.get<Appointment[]>("/api/appointments"),
+  });
+
+  const { data: cases } = useQuery({
+    queryKey: ["cases"],
+    queryFn: () => api.get<{ cases: Case[]; total: number }>("/api/cases"),
+  });
+
+  const deleteMutation = useMutation({
+    mutationFn: (id: string) => api.delete(`/api/appointments/${id}`),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["appointments"] });
+      toast.success("Termin geloscht");
+    },
+    onError: () => toast.error("Fehler beim Loschen"),
+  });
+
+  const caseMap = useMemo(() => {
+    const map = new Map<string, Case>();
+    cases?.cases?.forEach((c) => map.set(c.id, c));
+    return map;
+  }, [cases]);
+
+  const filtered = useMemo(() => {
+    if (!appointments) return [];
+    return appointments
+      .filter((a) => {
+        if (caseFilter !== "all" && a.case_id !== caseFilter) return false;
+        if (typeFilter !== "all" && a.appointment_type !== typeFilter) return false;
+        return true;
+      })
+      .sort((a, b) => a.start_at.localeCompare(b.start_at));
+  }, [appointments, caseFilter, typeFilter]);
+
+  const grouped = useMemo(() => groupByDate(filtered), [filtered]);
+
+  const counts = useMemo(() => {
+    if (!appointments) return { today: 0, thisWeek: 0, total: 0 };
+    let today = 0;
+    let thisWeek = 0;
+    for (const a of appointments) {
+      const d = parseISO(a.start_at);
+      if (isToday(d)) today++;
+      if (isThisWeek(d, { weekStartsOn: 1 })) thisWeek++;
+    }
+    return { today, thisWeek, total: appointments.length };
+  }, [appointments]);
+
+  if (isLoading) {
+    return (
+      <div className="space-y-3">
+        {[1, 2, 3, 4].map((i) => (
+          <div key={i} className="h-16 animate-pulse rounded-lg bg-neutral-100" />
+        ))}
+      </div>
+    );
+  }
+
+  return (
+    <div className="space-y-4">
+      {/* Summary cards */}
+      <div className="grid grid-cols-3 gap-3">
+        <div className="rounded-lg border border-neutral-200 bg-white p-3">
+          <div className="text-2xl font-semibold text-neutral-900">{counts.today}</div>
+          <div className="text-xs text-neutral-500">Heute</div>
+        </div>
+        <div className="rounded-lg border border-neutral-200 bg-white p-3">
+          <div className="text-2xl font-semibold text-neutral-900">{counts.thisWeek}</div>
+          <div className="text-xs text-neutral-500">Diese Woche</div>
+        </div>
+        <div className="rounded-lg border border-neutral-200 bg-white p-3">
+          <div className="text-2xl font-semibold text-neutral-900">{counts.total}</div>
+          <div className="text-xs text-neutral-500">Gesamt</div>
+        </div>
+      </div>
+
+      {/* Filters */}
+      <div className="flex items-center gap-3">
+        <div className="flex items-center gap-1.5 text-sm text-neutral-500">
+          <Filter className="h-3.5 w-3.5" />
+          <span>Filter:</span>
+        </div>
+        <select
+          value={typeFilter}
+          onChange={(e) => setTypeFilter(e.target.value)}
+          className="rounded-md border border-neutral-200 bg-white px-2.5 py-1 text-sm text-neutral-700"
+        >
+          <option value="all">Alle Typen</option>
+          {Object.entries(TYPE_LABELS).map(([value, label]) => (
+            <option key={value} value={value}>
+              {label}
+            </option>
+          ))}
+        </select>
+        {cases?.cases && cases.cases.length > 0 && (
+          <select
+            value={caseFilter}
+            onChange={(e) => setCaseFilter(e.target.value)}
+            className="rounded-md border border-neutral-200 bg-white px-2.5 py-1 text-sm text-neutral-700"
+          >
+            <option value="all">Alle Akten</option>
+            {cases.cases.map((c) => (
+              <option key={c.id} value={c.id}>
+                {c.case_number} — {c.title}
+              </option>
+            ))}
+          </select>
+        )}
+      </div>
+
+      {/* Grouped list */}
+      {filtered.length === 0 ? (
+        <div className="rounded-lg border border-neutral-200 bg-white p-8 text-center">
+          <Calendar className="mx-auto h-8 w-8 text-neutral-300" />
+          <p className="mt-2 text-sm text-neutral-500">Keine Termine gefunden</p>
+        </div>
+      ) : (
+        <div className="space-y-4">
+          {Array.from(grouped.entries()).map(([dateKey, dayAppointments]) => {
+            const dateIsPast = isPast(parseISO(dateKey + "T23:59:59"));
+            return (
+              <div key={dateKey}>
+                <div className={`mb-2 text-xs font-medium uppercase tracking-wider ${dateIsPast ? "text-neutral-400" : "text-neutral-600"}`}>
+                  {formatDateLabel(dateKey)}
+                </div>
+                <div className="space-y-1.5">
+                  {dayAppointments.map((appt) => {
+                    const caseInfo = appt.case_id ? caseMap.get(appt.case_id) : null;
+                    const typeBadge = appt.appointment_type
+                      ? TYPE_COLORS[appt.appointment_type] ?? TYPE_COLORS.other
+                      : null;
+                    const typeLabel = appt.appointment_type
+                      ? TYPE_LABELS[appt.appointment_type] ?? appt.appointment_type
+                      : null;
+
+                    return (
+                      <div
+                        key={appt.id}
+                        onClick={() => onEdit(appt)}
+                        className={`flex cursor-pointer items-start gap-3 rounded-lg border px-4 py-3 transition-colors hover:bg-neutral-50 ${
+                          dateIsPast
+                            ? "border-neutral-150 bg-neutral-50/50"
+                            : "border-neutral-200 bg-white"
+                        }`}
+                      >
+                        <div className="shrink-0 pt-0.5 text-center">
+                          <div className="text-xs font-medium text-neutral-900">
+                            {format(parseISO(appt.start_at), "HH:mm")}
+                          </div>
+                          {appt.end_at && (
+                            <div className="text-[10px] text-neutral-400">
+                              {format(parseISO(appt.end_at), "HH:mm")}
+                            </div>
+                          )}
+                        </div>
+                        <div className="min-w-0 flex-1">
+                          <div className="flex items-center gap-2">
+                            <span className={`truncate text-sm font-medium ${dateIsPast ? "text-neutral-500" : "text-neutral-900"}`}>
+                              {appt.title}
+                            </span>
+                            {typeBadge && typeLabel && (
+                              <span className={`shrink-0 rounded px-1.5 py-0.5 text-xs font-medium ${typeBadge}`}>
+                                {typeLabel}
+                              </span>
+                            )}
+                          </div>
+                          <div className="mt-0.5 flex items-center gap-2 text-xs text-neutral-500">
+                            {appt.location && (
+                              <span className="flex items-center gap-0.5">
+                                <MapPin className="h-3 w-3" />
+                                {appt.location}
+                              </span>
+                            )}
+                            {appt.location && caseInfo && <span>·</span>}
+                            {caseInfo && (
+                              <span className="truncate">
+                                {caseInfo.case_number} — {caseInfo.title}
+                              </span>
+                            )}
+                          </div>
+                          {appt.description && (
+                            <p className="mt-1 truncate text-xs text-neutral-400">
+                              {appt.description}
+                            </p>
+                          )}
+                        </div>
+                        <button
+                          onClick={(e) => {
+                            e.stopPropagation();
+                            deleteMutation.mutate(appt.id);
+                          }}
+                          disabled={deleteMutation.isPending}
+                          title="Loschen"
+                          className="shrink-0 rounded-md p-1.5 text-neutral-300 hover:bg-red-50 hover:text-red-500"
+                        >
+                          <Trash2 className="h-3.5 w-3.5" />
+                        </button>
+                      </div>
+                    );
+                  })}
+                </div>
+              </div>
+            );
+          })}
+        </div>
+      )}
+    </div>
+  );
+}
--- a/frontend/src/components/appointments/AppointmentModal.tsx
+++ b/frontend/src/components/appointments/AppointmentModal.tsx
@@ -0,0 +1,280 @@
+"use client";
+
+import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+import { api } from "@/lib/api";
+import type { Appointment, Case } from "@/lib/types";
+import { format, parseISO } from "date-fns";
+import { X } from "lucide-react";
+import { toast } from "sonner";
+import { useEffect, useState } from "react";
+
+const APPOINTMENT_TYPES = [
+  { value: "hearing", label: "Verhandlung" },
+  { value: "meeting", label: "Besprechung" },
+  { value: "consultation", label: "Beratung" },
+  { value: "deadline_hearing", label: "Fristanhorung" },
+  { value: "other", label: "Sonstiges" },
+];
+
+interface AppointmentModalProps {
+  open: boolean;
+  onClose: () => void;
+  appointment?: Appointment | null;
+}
+
+function toLocalDatetime(iso: string): string {
+  const d = parseISO(iso);
+  return format(d, "yyyy-MM-dd'T'HH:mm");
+}
+
+export function AppointmentModal({ open, onClose, appointment }: AppointmentModalProps) {
+  const queryClient = useQueryClient();
+  const isEdit = !!appointment;
+
+  const [title, setTitle] = useState("");
+  const [description, setDescription] = useState("");
+  const [startAt, setStartAt] = useState("");
+  const [endAt, setEndAt] = useState("");
+  const [location, setLocation] = useState("");
+  const [appointmentType, setAppointmentType] = useState("");
+  const [caseId, setCaseId] = useState("");
+
+  const { data: cases } = useQuery({
+    queryKey: ["cases"],
+    queryFn: () => api.get<{ cases: Case[]; total: number }>("/api/cases"),
+  });
+
+  useEffect(() => {
+    if (appointment) {
+      setTitle(appointment.title);
+      setDescription(appointment.description ?? "");
+      setStartAt(toLocalDatetime(appointment.start_at));
+      setEndAt(appointment.end_at ? toLocalDatetime(appointment.end_at) : "");
+      setLocation(appointment.location ?? "");
+      setAppointmentType(appointment.appointment_type ?? "");
+      setCaseId(appointment.case_id ?? "");
+    } else {
+      setTitle("");
+      setDescription("");
+      setStartAt("");
+      setEndAt("");
+      setLocation("");
+      setAppointmentType("");
+      setCaseId("");
+    }
+  }, [appointment]);
+
+  const createMutation = useMutation({
+    mutationFn: (body: Record<string, unknown>) =>
+      api.post<Appointment>("/api/appointments", body),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["appointments"] });
+      queryClient.invalidateQueries({ queryKey: ["dashboard"] });
+      toast.success("Termin erstellt");
+      onClose();
+    },
+    onError: () => toast.error("Fehler beim Erstellen des Termins"),
+  });
+
+  const updateMutation = useMutation({
+    mutationFn: (body: Record<string, unknown>) =>
+      api.put<Appointment>(`/api/appointments/${appointment!.id}`, body),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["appointments"] });
+      queryClient.invalidateQueries({ queryKey: ["dashboard"] });
+      toast.success("Termin aktualisiert");
+      onClose();
+    },
+    onError: () => toast.error("Fehler beim Aktualisieren des Termins"),
+  });
+
+  const deleteMutation = useMutation({
+    mutationFn: () => api.delete(`/api/appointments/${appointment!.id}`),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["appointments"] });
+      queryClient.invalidateQueries({ queryKey: ["dashboard"] });
+      toast.success("Termin geloscht");
+      onClose();
+    },
+    onError: () => toast.error("Fehler beim Loschen des Termins"),
+  });
+
+  function handleSubmit(e: React.FormEvent) {
+    e.preventDefault();
+    if (!title.trim() || !startAt) return;
+
+    const body: Record<string, unknown> = {
+      title: title.trim(),
+      start_at: new Date(startAt).toISOString(),
+    };
+    if (description.trim()) body.description = description.trim();
+    if (endAt) body.end_at = new Date(endAt).toISOString();
+    if (location.trim()) body.location = location.trim();
+    if (appointmentType) body.appointment_type = appointmentType;
+    if (caseId) body.case_id = caseId;
+
+    if (isEdit) {
+      updateMutation.mutate(body);
+    } else {
+      createMutation.mutate(body);
+    }
+  }
+
+  const isPending = createMutation.isPending || updateMutation.isPending;
+
+  if (!open) return null;
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/30">
+      <div className="w-full max-w-lg rounded-lg border border-neutral-200 bg-white shadow-lg">
+        <div className="flex items-center justify-between border-b border-neutral-200 px-5 py-3">
+          <h2 className="text-sm font-semibold text-neutral-900">
+            {isEdit ? "Termin bearbeiten" : "Neuer Termin"}
+          </h2>
+          <button
+            onClick={onClose}
+            className="rounded-md p-1 text-neutral-400 hover:bg-neutral-100 hover:text-neutral-600"
+          >
+            <X className="h-4 w-4" />
+          </button>
+        </div>
+
+        <form onSubmit={handleSubmit} className="space-y-4 p-5">
+          <div>
+            <label className="mb-1 block text-xs font-medium text-neutral-600">
+              Titel *
+            </label>
+            <input
+              type="text"
+              value={title}
+              onChange={(e) => setTitle(e.target.value)}
+              required
+              className="w-full rounded-md border border-neutral-200 px-3 py-1.5 text-sm outline-none focus:border-neutral-400 focus:ring-1 focus:ring-neutral-400"
+              placeholder="z.B. Mundliche Verhandlung"
+            />
+          </div>
+
+          <div className="grid grid-cols-2 gap-3">
+            <div>
+              <label className="mb-1 block text-xs font-medium text-neutral-600">
+                Beginn *
+              </label>
+              <input
+                type="datetime-local"
+                value={startAt}
+                onChange={(e) => setStartAt(e.target.value)}
+                required
+                className="w-full rounded-md border border-neutral-200 px-3 py-1.5 text-sm outline-none focus:border-neutral-400 focus:ring-1 focus:ring-neutral-400"
+              />
+            </div>
+            <div>
+              <label className="mb-1 block text-xs font-medium text-neutral-600">
+                Ende
+              </label>
+              <input
+                type="datetime-local"
+                value={endAt}
+                onChange={(e) => setEndAt(e.target.value)}
+                className="w-full rounded-md border border-neutral-200 px-3 py-1.5 text-sm outline-none focus:border-neutral-400 focus:ring-1 focus:ring-neutral-400"
+              />
+            </div>
+          </div>
+
+          <div className="grid grid-cols-2 gap-3">
+            <div>
+              <label className="mb-1 block text-xs font-medium text-neutral-600">
+                Typ
+              </label>
+              <select
+                value={appointmentType}
+                onChange={(e) => setAppointmentType(e.target.value)}
+                className="w-full rounded-md border border-neutral-200 px-3 py-1.5 text-sm outline-none focus:border-neutral-400"
+              >
+                <option value="">Kein Typ</option>
+                {APPOINTMENT_TYPES.map((t) => (
+                  <option key={t.value} value={t.value}>
+                    {t.label}
+                  </option>
+                ))}
+              </select>
+            </div>
+            <div>
+              <label className="mb-1 block text-xs font-medium text-neutral-600">
+                Akte
+              </label>
+              <select
+                value={caseId}
+                onChange={(e) => setCaseId(e.target.value)}
+                className="w-full rounded-md border border-neutral-200 px-3 py-1.5 text-sm outline-none focus:border-neutral-400"
+              >
+                <option value="">Keine Akte</option>
+                {cases?.cases?.map((c) => (
+                  <option key={c.id} value={c.id}>
+                    {c.case_number} — {c.title}
+                  </option>
+                ))}
+              </select>
+            </div>
+          </div>
+
+          <div>
+            <label className="mb-1 block text-xs font-medium text-neutral-600">
+              Ort
+            </label>
+            <input
+              type="text"
+              value={location}
+              onChange={(e) => setLocation(e.target.value)}
+              className="w-full rounded-md border border-neutral-200 px-3 py-1.5 text-sm outline-none focus:border-neutral-400 focus:ring-1 focus:ring-neutral-400"
+              placeholder="z.B. UPC Munchen, Saal 3"
+            />
+          </div>
+
+          <div>
+            <label className="mb-1 block text-xs font-medium text-neutral-600">
+              Beschreibung
+            </label>
+            <textarea
+              value={description}
+              onChange={(e) => setDescription(e.target.value)}
+              rows={3}
+              className="w-full rounded-md border border-neutral-200 px-3 py-1.5 text-sm outline-none focus:border-neutral-400 focus:ring-1 focus:ring-neutral-400"
+              placeholder="Optionale Notizen zum Termin"
+            />
+          </div>
+
+          <div className="flex items-center justify-between pt-2">
+            <div>
+              {isEdit && (
+                <button
+                  type="button"
+                  onClick={() => deleteMutation.mutate()}
+                  disabled={deleteMutation.isPending}
+                  className="rounded-md px-3 py-1.5 text-sm text-red-600 hover:bg-red-50"
+                >
+                  Loschen
+                </button>
+              )}
+            </div>
+            <div className="flex items-center gap-2">
+              <button
+                type="button"
+                onClick={onClose}
+                className="rounded-md border border-neutral-200 bg-white px-3 py-1.5 text-sm text-neutral-700 hover:bg-neutral-50"
+              >
+                Abbrechen
+              </button>
+              <button
+                type="submit"
+                disabled={isPending || !title.trim() || !startAt}
+                className="rounded-md bg-neutral-900 px-3 py-1.5 text-sm font-medium text-white hover:bg-neutral-800 disabled:opacity-50"
+              >
+                {isPending ? "Speichern..." : isEdit ? "Aktualisieren" : "Erstellen"}
+              </button>
+            </div>
+          </div>
+        </form>
+      </div>
+    </div>
+  );
+}
--- a/frontend/src/components/cases/CaseForm.tsx
+++ b/frontend/src/components/cases/CaseForm.tsx
@@ -0,0 +1,165 @@
+"use client";
+
+import { useState } from "react";
+
+const TYPE_OPTIONS = [
+  { value: "", label: "-- Typ wahlen --" },
+  { value: "INF", label: "Verletzungsklage (INF)" },
+  { value: "REV", label: "Widerruf (REV)" },
+  { value: "CCR", label: "Einstweilige Verfugung (CCR)" },
+  { value: "APP", label: "Berufung (APP)" },
+  { value: "PI", label: "Vorlaufiger Rechtsschutz (PI)" },
+  { value: "ZPO_CIVIL", label: "ZPO Zivilverfahren" },
+];
+
+export interface CaseFormData {
+  case_number: string;
+  title: string;
+  case_type?: string;
+  court?: string;
+  court_ref?: string;
+  status: string;
+}
+
+interface CaseFormProps {
+  initialData?: Partial<CaseFormData>;
+  onSubmit: (data: CaseFormData) => void;
+  isSubmitting?: boolean;
+  submitLabel?: string;
+}
+
+export function CaseForm({
+  initialData,
+  onSubmit,
+  isSubmitting,
+  submitLabel = "Akte anlegen",
+}: CaseFormProps) {
+  const [form, setForm] = useState<CaseFormData>({
+    case_number: initialData?.case_number ?? "",
+    title: initialData?.title ?? "",
+    case_type: initialData?.case_type ?? "",
+    court: initialData?.court ?? "",
+    court_ref: initialData?.court_ref ?? "",
+    status: initialData?.status ?? "active",
+  });
+
+  function handleSubmit(e: React.FormEvent) {
+    e.preventDefault();
+    const data: CaseFormData = {
+      ...form,
+      case_type: form.case_type || undefined,
+      court: form.court || undefined,
+      court_ref: form.court_ref || undefined,
+    };
+    onSubmit(data);
+  }
+
+  function update(field: keyof CaseFormData, value: string) {
+    setForm((prev) => ({ ...prev, [field]: value }));
+  }
+
+  const inputClass =
+    "w-full rounded-md border border-neutral-200 bg-white px-3 py-1.5 text-sm outline-none focus:border-neutral-400 focus:ring-1 focus:ring-neutral-400";
+
+  return (
+    <form onSubmit={handleSubmit} className="space-y-4">
+      <div className="grid grid-cols-2 gap-4">
+        <div>
+          <label className="mb-1 block text-sm font-medium text-neutral-700">
+            Aktenzeichen *
+          </label>
+          <input
+            type="text"
+            required
+            value={form.case_number}
+            onChange={(e) => update("case_number", e.target.value)}
+            placeholder="z.B. 2026/001"
+            className={inputClass}
+          />
+        </div>
+        <div>
+          <label className="mb-1 block text-sm font-medium text-neutral-700">
+            Status
+          </label>
+          <select
+            value={form.status}
+            onChange={(e) => update("status", e.target.value)}
+            className={inputClass}
+          >
+            <option value="active">Aktiv</option>
+            <option value="pending">Anhangig</option>
+            <option value="closed">Geschlossen</option>
+          </select>
+        </div>
+      </div>
+
+      <div>
+        <label className="mb-1 block text-sm font-medium text-neutral-700">
+          Titel *
+        </label>
+        <input
+          type="text"
+          required
+          value={form.title}
+          onChange={(e) => update("title", e.target.value)}
+          placeholder="Bezeichnung der Akte"
+          className={inputClass}
+        />
+      </div>
+
+      <div className="grid grid-cols-2 gap-4">
+        <div>
+          <label className="mb-1 block text-sm font-medium text-neutral-700">
+            Verfahrensart
+          </label>
+          <select
+            value={form.case_type}
+            onChange={(e) => update("case_type", e.target.value)}
+            className={inputClass}
+          >
+            {TYPE_OPTIONS.map((o) => (
+              <option key={o.value} value={o.value}>
+                {o.label}
+              </option>
+            ))}
+          </select>
+        </div>
+        <div>
+          <label className="mb-1 block text-sm font-medium text-neutral-700">
+            Gericht
+          </label>
+          <input
+            type="text"
+            value={form.court}
+            onChange={(e) => update("court", e.target.value)}
+            placeholder="z.B. UPC Munich Central Division"
+            className={inputClass}
+          />
+        </div>
+      </div>
+
+      <div>
+        <label className="mb-1 block text-sm font-medium text-neutral-700">
+          Gerichtliches Aktenzeichen
+        </label>
+        <input
+          type="text"
+          value={form.court_ref}
+          onChange={(e) => update("court_ref", e.target.value)}
+          placeholder="z.B. UPC_CFI_123/2026"
+          className={inputClass}
+        />
+      </div>
+
+      <div className="flex justify-end pt-2">
+        <button
+          type="submit"
+          disabled={isSubmitting}
+          className="rounded-md bg-neutral-900 px-4 py-1.5 text-sm font-medium text-white hover:bg-neutral-800 disabled:opacity-50"
+        >
+          {isSubmitting ? "Speichern..." : submitLabel}
+        </button>
+      </div>
+    </form>
+  );
+}
--- a/frontend/src/components/cases/CaseTimeline.tsx
+++ b/frontend/src/components/cases/CaseTimeline.tsx
@@ -0,0 +1,60 @@
+"use client";
+
+import type { CaseEvent } from "@/lib/types";
+import { format } from "date-fns";
+import { de } from "date-fns/locale";
+
+const EVENT_ICONS: Record<string, string> = {
+  case_created: "bg-emerald-500",
+  status_changed: "bg-amber-500",
+  party_added: "bg-blue-500",
+  case_archived: "bg-neutral-400",
+  document_uploaded: "bg-violet-500",
+  deadline_created: "bg-red-500",
+};
+
+interface CaseTimelineProps {
+  events: CaseEvent[];
+}
+
+export function CaseTimeline({ events }: CaseTimelineProps) {
+  if (events.length === 0) {
+    return (
+      <p className="py-8 text-center text-sm text-neutral-400">
+        Keine Ereignisse vorhanden.
+      </p>
+    );
+  }
+
+  return (
+    <div className="relative space-y-0">
+      {events.map((event, i) => (
+        <div key={event.id} className="relative flex gap-3 pb-6">
+          {i < events.length - 1 && (
+            <div className="absolute left-[7px] top-4 h-full w-px bg-neutral-200" />
+          )}
+          <div
+            className={`mt-1 h-[15px] w-[15px] shrink-0 rounded-full border-2 border-white ${EVENT_ICONS[event.event_type ?? ""] ?? "bg-neutral-300"}`}
+          />
+          <div className="min-w-0 flex-1">
+            <p className="text-sm font-medium text-neutral-900">
+              {event.title}
+            </p>
+            {event.description && (
+              <p className="mt-0.5 text-sm text-neutral-500">
+                {event.description}
+              </p>
+            )}
+            <p className="mt-1 text-xs text-neutral-400">
+              {format(
+                new Date(event.event_date ?? event.created_at),
+                "d. MMM yyyy, HH:mm",
+                { locale: de },
+              )}
+            </p>
+          </div>
+        </div>
+      ))}
+    </div>
+  );
+}
--- a/frontend/src/components/cases/PartyList.tsx
+++ b/frontend/src/components/cases/PartyList.tsx
@@ -0,0 +1,182 @@
+"use client";
+
+import { useMutation, useQueryClient } from "@tanstack/react-query";
+import { useState } from "react";
+import { toast } from "sonner";
+import { api } from "@/lib/api";
+import type { Party } from "@/lib/types";
+import { Plus, Trash2, X } from "lucide-react";
+
+interface PartyListProps {
+  caseId: string;
+  parties: Party[];
+}
+
+interface PartyFormData {
+  name: string;
+  role: string;
+  representative: string;
+}
+
+const ROLE_OPTIONS = [
+  "Klager",
+  "Beklagter",
+  "Nebenintervenient",
+  "Patentinhaber",
+  "Streithelfer",
+];
+
+export function PartyList({ caseId, parties }: PartyListProps) {
+  const queryClient = useQueryClient();
+  const [showForm, setShowForm] = useState(false);
+  const [form, setForm] = useState<PartyFormData>({
+    name: "",
+    role: "",
+    representative: "",
+  });
+
+  const addMutation = useMutation({
+    mutationFn: (data: PartyFormData) =>
+      api.post<Party>(`/cases/${caseId}/parties`, {
+        name: data.name,
+        role: data.role || undefined,
+        representative: data.representative || undefined,
+      }),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["case", caseId] });
+      toast.success("Partei hinzugefugt");
+      setShowForm(false);
+      setForm({ name: "", role: "", representative: "" });
+    },
+    onError: () => toast.error("Fehler beim Hinzufugen"),
+  });
+
+  const deleteMutation = useMutation({
+    mutationFn: (partyId: string) => api.delete(`/parties/${partyId}`),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["case", caseId] });
+      toast.success("Partei entfernt");
+    },
+    onError: () => toast.error("Fehler beim Entfernen"),
+  });
+
+  const inputClass =
+    "w-full rounded-md border border-neutral-200 bg-white px-3 py-1.5 text-sm outline-none focus:border-neutral-400 focus:ring-1 focus:ring-neutral-400";
+
+  return (
+    <div>
+      <div className="flex items-center justify-between">
+        <h3 className="text-sm font-medium text-neutral-700">
+          Parteien ({parties.length})
+        </h3>
+        {!showForm && (
+          <button
+            onClick={() => setShowForm(true)}
+            className="inline-flex items-center gap-1 text-sm text-neutral-500 hover:text-neutral-700"
+          >
+            <Plus className="h-3.5 w-3.5" />
+            Hinzufugen
+          </button>
+        )}
+      </div>
+
+      {parties.length === 0 && !showForm && (
+        <p className="mt-4 py-4 text-center text-sm text-neutral-400">
+          Keine Parteien vorhanden.
+        </p>
+      )}
+
+      <div className="mt-3 space-y-2">
+        {parties.map((party) => (
+          <div
+            key={party.id}
+            className="flex items-center justify-between rounded-md border border-neutral-200 bg-white px-4 py-2.5"
+          >
+            <div>
+              <p className="text-sm font-medium text-neutral-900">
+                {party.name}
+              </p>
+              <div className="mt-0.5 flex gap-3 text-xs text-neutral-500">
+                {party.role && <span>{party.role}</span>}
+                {party.representative && (
+                  <span>Vertreter: {party.representative}</span>
+                )}
+              </div>
+            </div>
+            <button
+              onClick={() => deleteMutation.mutate(party.id)}
+              className="rounded p-1 text-neutral-300 hover:bg-neutral-100 hover:text-red-500"
+              title="Partei entfernen"
+            >
+              <Trash2 className="h-3.5 w-3.5" />
+            </button>
+          </div>
+        ))}
+      </div>
+
+      {showForm && (
+        <div className="mt-3 rounded-md border border-neutral-200 bg-neutral-50 p-4">
+          <div className="flex items-center justify-between">
+            <span className="text-sm font-medium text-neutral-700">
+              Neue Partei
+            </span>
+            <button
+              onClick={() => setShowForm(false)}
+              className="text-neutral-400 hover:text-neutral-600"
+            >
+              <X className="h-4 w-4" />
+            </button>
+          </div>
+          <form
+            onSubmit={(e) => {
+              e.preventDefault();
+              addMutation.mutate(form);
+            }}
+            className="mt-3 space-y-3"
+          >
+            <input
+              type="text"
+              required
+              placeholder="Name der Partei"
+              value={form.name}
+              onChange={(e) => setForm({ ...form, name: e.target.value })}
+              className={inputClass}
+            />
+            <div className="grid grid-cols-2 gap-3">
+              <select
+                value={form.role}
+                onChange={(e) => setForm({ ...form, role: e.target.value })}
+                className={inputClass}
+              >
+                <option value="">-- Rolle --</option>
+                {ROLE_OPTIONS.map((r) => (
+                  <option key={r} value={r}>
+                    {r}
+                  </option>
+                ))}
+              </select>
+              <input
+                type="text"
+                placeholder="Vertreter / Anwalt"
+                value={form.representative}
+                onChange={(e) =>
+                  setForm({ ...form, representative: e.target.value })
+                }
+                className={inputClass}
+              />
+            </div>
+            <div className="flex justify-end">
+              <button
+                type="submit"
+                disabled={addMutation.isPending}
+                className="rounded-md bg-neutral-900 px-3 py-1.5 text-sm font-medium text-white hover:bg-neutral-800 disabled:opacity-50"
+              >
+                {addMutation.isPending ? "..." : "Hinzufugen"}
+              </button>
+            </div>
+          </form>
+        </div>
+      )}
+    </div>
+  );
+}
--- a/frontend/src/components/dashboard/AISummaryCard.tsx
+++ b/frontend/src/components/dashboard/AISummaryCard.tsx
@@ -0,0 +1,70 @@
+"use client";
+
+import { Sparkles } from "lucide-react";
+import type { DashboardData } from "@/lib/types";
+
+interface Props {
+  data: DashboardData;
+}
+
+function generateSummary(data: DashboardData): string {
+  const parts: string[] = [];
+  const { deadline_summary: ds, case_summary: cs, upcoming_deadlines: ud } = data;
+
+  // Deadline urgency
+  if (ds.overdue_count > 0) {
+    parts.push(
+      `${ds.overdue_count} Frist${ds.overdue_count > 1 ? "en" : ""} ${ds.overdue_count > 1 ? "sind" : "ist"} überfällig und ${ds.overdue_count > 1 ? "erfordern" : "erfordert"} sofortige Aufmerksamkeit.`,
+    );
+  }
+
+  if (ds.due_this_week > 0) {
+    parts.push(
+      `${ds.due_this_week} Frist${ds.due_this_week > 1 ? "en laufen" : " läuft"} diese Woche ab.`,
+    );
+  }
+
+  // Highlight most critical upcoming deadline
+  if (ud.length > 0) {
+    const next = ud[0];
+    parts.push(
+      `Die nächste Frist ist "${next.title}" in Akte ${next.case_number}.`,
+    );
+  }
+
+  // Case activity
+  if (cs.new_this_month > 0) {
+    parts.push(
+      `${cs.new_this_month} neue Akte${cs.new_this_month > 1 ? "n" : ""} diesen Monat bei ${cs.active_count} aktiven Verfahren.`,
+    );
+  } else {
+    parts.push(`${cs.active_count} aktive Verfahren.`);
+  }
+
+  // All good
+  if (ds.overdue_count === 0 && ds.due_this_week === 0) {
+    parts.unshift("Alle Fristen sind im Zeitplan.");
+  }
+
+  return parts.join(" ");
+}
+
+export function AISummaryCard({ data }: Props) {
+  const summary = generateSummary(data);
+
+  return (
+    <div className="rounded-xl border border-neutral-200 bg-white p-5">
+      <div className="flex items-center gap-2">
+        <div className="rounded-md bg-violet-50 p-1.5">
+          <Sparkles className="h-4 w-4 text-violet-500" />
+        </div>
+        <h2 className="text-sm font-semibold text-neutral-900">
+          KI-Zusammenfassung
+        </h2>
+      </div>
+      <p className="mt-3 text-sm leading-relaxed text-neutral-700">
+        {summary}
+      </p>
+    </div>
+  );
+}
--- a/frontend/src/components/dashboard/CaseOverviewGrid.tsx
+++ b/frontend/src/components/dashboard/CaseOverviewGrid.tsx
@@ -0,0 +1,55 @@
+"use client";
+
+import { FolderOpen, FolderPlus, Archive } from "lucide-react";
+import type { CaseSummary } from "@/lib/types";
+
+interface Props {
+  data: CaseSummary;
+}
+
+export function CaseOverviewGrid({ data }: Props) {
+  const items = [
+    {
+      label: "Aktive Akten",
+      value: data.active_count,
+      icon: FolderOpen,
+      color: "text-blue-600",
+      bg: "bg-blue-50",
+    },
+    {
+      label: "Neu (Monat)",
+      value: data.new_this_month,
+      icon: FolderPlus,
+      color: "text-violet-600",
+      bg: "bg-violet-50",
+    },
+    {
+      label: "Abgeschlossen",
+      value: data.closed_count,
+      icon: Archive,
+      color: "text-neutral-500",
+      bg: "bg-neutral-50",
+    },
+  ];
+
+  return (
+    <div className="rounded-xl border border-neutral-200 bg-white p-5">
+      <h2 className="text-sm font-semibold text-neutral-900">Aktenübersicht</h2>
+      <div className="mt-4 space-y-3">
+        {items.map((item) => (
+          <div key={item.label} className="flex items-center justify-between">
+            <div className="flex items-center gap-2.5">
+              <div className={`rounded-md p-1.5 ${item.bg}`}>
+                <item.icon className={`h-4 w-4 ${item.color}`} />
+              </div>
+              <span className="text-sm text-neutral-600">{item.label}</span>
+            </div>
+            <span className="text-lg font-semibold tabular-nums text-neutral-900">
+              {item.value}
+            </span>
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}
--- a/frontend/src/components/dashboard/DeadlineTrafficLights.tsx
+++ b/frontend/src/components/dashboard/DeadlineTrafficLights.tsx
@@ -0,0 +1,105 @@
+"use client";
+
+import { useEffect, useRef } from "react";
+import { AlertTriangle, Clock, CheckCircle } from "lucide-react";
+import type { DeadlineSummary } from "@/lib/types";
+
+function AnimatedCount({ value }: { value: number }) {
+  const ref = useRef<HTMLSpanElement>(null);
+  const prevValue = useRef(value);
+
+  useEffect(() => {
+    const el = ref.current;
+    if (!el || prevValue.current === value) return;
+
+    el.classList.remove("animate-count-up");
+    void el.offsetWidth;
+    el.classList.add("animate-count-up");
+    prevValue.current = value;
+  }, [value]);
+
+  return (
+    <span ref={ref} className="inline-block tabular-nums">
+      {value}
+    </span>
+  );
+}
+
+interface Props {
+  data: DeadlineSummary;
+  onFilter?: (filter: "overdue" | "this_week" | "ok") => void;
+}
+
+export function DeadlineTrafficLights({ data, onFilter }: Props) {
+  const cards = [
+    {
+      key: "overdue" as const,
+      label: "Überfällig",
+      count: data.overdue_count,
+      icon: AlertTriangle,
+      bg: "bg-red-50",
+      border: "border-red-200",
+      iconColor: "text-red-500",
+      countColor: "text-red-700",
+      labelColor: "text-red-600",
+      ring: data.overdue_count > 0 ? "ring-2 ring-red-300 ring-offset-1" : "",
+      pulse: data.overdue_count > 0,
+    },
+    {
+      key: "this_week" as const,
+      label: "Diese Woche",
+      count: data.due_this_week,
+      icon: Clock,
+      bg: "bg-amber-50",
+      border: "border-amber-200",
+      iconColor: "text-amber-500",
+      countColor: "text-amber-700",
+      labelColor: "text-amber-600",
+      ring: "",
+      pulse: false,
+    },
+    {
+      key: "ok" as const,
+      label: "Im Zeitplan",
+      count: data.ok_count + data.due_next_week,
+      icon: CheckCircle,
+      bg: "bg-emerald-50",
+      border: "border-emerald-200",
+      iconColor: "text-emerald-500",
+      countColor: "text-emerald-700",
+      labelColor: "text-emerald-600",
+      ring: "",
+      pulse: false,
+    },
+  ];
+
+  return (
+    <div className="grid grid-cols-1 gap-4 sm:grid-cols-3">
+      {cards.map((card) => (
+        <button
+          key={card.key}
+          onClick={() => onFilter?.(card.key)}
+          className={`group relative overflow-hidden rounded-xl border ${card.border} ${card.bg} ${card.ring} p-6 text-left transition-all hover:shadow-md active:scale-[0.98]`}
+        >
+          {card.pulse && (
+            <span className="absolute right-4 top-4 flex h-3 w-3">
+              <span className="absolute inline-flex h-full w-full animate-ping rounded-full bg-red-400 opacity-75" />
+              <span className="relative inline-flex h-3 w-3 rounded-full bg-red-500" />
+            </span>
+          )}
+          <div className="flex items-center gap-3">
+            <div className={`rounded-lg p-2 ${card.bg}`}>
+              <card.icon className={`h-5 w-5 ${card.iconColor}`} />
+            </div>
+            <span className={`text-sm font-medium ${card.labelColor}`}>
+              {card.label}
+            </span>
+          </div>
+          <div className={`mt-4 text-4xl font-bold tracking-tight ${card.countColor}`}>
+            <AnimatedCount value={card.count} />
+          </div>
+        </button>
+      ))}
+    </div>
+  );
+}
--- a/frontend/src/components/dashboard/QuickActions.tsx
+++ b/frontend/src/components/dashboard/QuickActions.tsx
@@ -0,0 +1,53 @@
+"use client";
+
+import Link from "next/link";
+import { FolderPlus, Clock, Sparkles, CalendarSync } from "lucide-react";
+
+const actions = [
+  {
+    label: "Neue Akte",
+    href: "/akten?new=1",
+    icon: FolderPlus,
+    color: "text-blue-600 bg-blue-50 hover:bg-blue-100",
+  },
+  {
+    label: "Frist eintragen",
+    href: "/fristen?new=1",
+    icon: Clock,
+    color: "text-amber-600 bg-amber-50 hover:bg-amber-100",
+  },
+  {
+    label: "AI Analyse",
+    href: "/ai",
+    icon: Sparkles,
+    color: "text-violet-600 bg-violet-50 hover:bg-violet-100",
+  },
+  {
+    label: "CalDAV Sync",
+    href: "/einstellungen",
+    icon: CalendarSync,
+    color: "text-emerald-600 bg-emerald-50 hover:bg-emerald-100",
+  },
+];
+
+export function QuickActions() {
+  return (
+    <div className="rounded-xl border border-neutral-200 bg-white p-5">
+      <h2 className="text-sm font-semibold text-neutral-900">
+        Schnellzugriff
+      </h2>
+      <div className="mt-3 grid grid-cols-2 gap-2">
+        {actions.map((action) => (
+          <Link
+            key={action.label}
+            href={action.href}
+            className={`flex items-center gap-2 rounded-lg px-3 py-2.5 text-sm font-medium transition-colors ${action.color}`}
+          >
+            <action.icon className="h-4 w-4" />
+            {action.label}
+          </Link>
+        ))}
+      </div>
+    </div>
+  );
+}
--- a/frontend/src/components/dashboard/UpcomingTimeline.tsx
+++ b/frontend/src/components/dashboard/UpcomingTimeline.tsx
@@ -0,0 +1,134 @@
+"use client";
+
+import { format, parseISO, isToday, isTomorrow } from "date-fns";
+import { de } from "date-fns/locale";
+import { Clock, Calendar, MapPin } from "lucide-react";
+import type { UpcomingDeadline, UpcomingAppointment } from "@/lib/types";
+
+interface Props {
+  deadlines: UpcomingDeadline[];
+  appointments: UpcomingAppointment[];
+}
+
+type TimelineItem =
+  | { type: "deadline"; date: Date; data: UpcomingDeadline }
+  | { type: "appointment"; date: Date; data: UpcomingAppointment };
+
+function formatDayLabel(date: Date): string {
+  if (isToday(date)) return "Heute";
+  if (isTomorrow(date)) return "Morgen";
+  return format(date, "EEEE, d. MMM", { locale: de });
+}
+
+export function UpcomingTimeline({ deadlines, appointments }: Props) {
+  const items: TimelineItem[] = [
+    ...deadlines.map((d) => ({
+      type: "deadline" as const,
+      date: parseISO(d.due_date),
+      data: d,
+    })),
+    ...appointments.map((a) => ({
+      type: "appointment" as const,
+      date: parseISO(a.start_at),
+      data: a,
+    })),
+  ].sort((a, b) => a.date.getTime() - b.date.getTime());
+
+  // Group by day
+  const grouped = new Map<string, TimelineItem[]>();
+  for (const item of items) {
+    const key = format(item.date, "yyyy-MM-dd");
+    const group = grouped.get(key) ?? [];
+    group.push(item);
+    grouped.set(key, group);
+  }
+
+  const empty = items.length === 0;
+
+  return (
+    <div className="rounded-xl border border-neutral-200 bg-white p-5">
+      <h2 className="text-sm font-semibold text-neutral-900">
+        Nächste 7 Tage
+      </h2>
+      {empty ? (
+        <p className="mt-6 text-center text-sm text-neutral-400">
+          Keine anstehenden Termine oder Fristen
+        </p>
+      ) : (
+        <div className="mt-4 space-y-5">
+          {Array.from(grouped.entries()).map(([dateKey, dayItems]) => (
+            <div key={dateKey}>
+              <p className="text-xs font-medium uppercase tracking-wider text-neutral-400">
+                {formatDayLabel(dayItems[0].date)}
+              </p>
+              <div className="mt-2 space-y-2">
+                {dayItems.map((item, i) => (
+                  <TimelineEntry key={`${item.type}-${i}`} item={item} />
+                ))}
+              </div>
+            </div>
+          ))}
+        </div>
+      )}
+    </div>
+  );
+}
+
+function TimelineEntry({ item }: { item: TimelineItem }) {
+  if (item.type === "deadline") {
+    const d = item.data;
+    return (
+      <div className="flex items-start gap-3 rounded-lg border border-neutral-100 bg-neutral-50/50 px-3 py-2.5">
+        <div className="mt-0.5 rounded-md bg-amber-50 p-1">
+          <Clock className="h-3.5 w-3.5 text-amber-500" />
+        </div>
+        <div className="min-w-0 flex-1">
+          <p className="truncate text-sm font-medium text-neutral-900">
+            {d.title}
+          </p>
+          <p className="mt-0.5 truncate text-xs text-neutral-500">
+            {d.case_number} · {d.case_title}
+          </p>
+        </div>
+        <span className="shrink-0 text-xs font-medium text-amber-600">
+          Frist
+        </span>
+      </div>
+    );
+  }
+
+  const a = item.data;
+  return (
+    <div className="flex items-start gap-3 rounded-lg border border-neutral-100 bg-neutral-50/50 px-3 py-2.5">
+      <div className="mt-0.5 rounded-md bg-blue-50 p-1">
+        <Calendar className="h-3.5 w-3.5 text-blue-500" />
+      </div>
+      <div className="min-w-0 flex-1">
+        <p className="truncate text-sm font-medium text-neutral-900">
+          {a.title}
+        </p>
+        <div className="mt-0.5 flex items-center gap-2 text-xs text-neutral-500">
+          <span>{format(item.date, "HH:mm")} Uhr</span>
+          {a.location && (
+            <>
+              <span className="text-neutral-300">·</span>
+              <span className="flex items-center gap-0.5 truncate">
+                <MapPin className="h-3 w-3" />
+                {a.location}
+              </span>
+            </>
+          )}
+          {a.case_number && (
+            <>
+              <span className="text-neutral-300">·</span>
+              <span>{a.case_number}</span>
+            </>
+          )}
+        </div>
+      </div>
+      <span className="shrink-0 text-xs font-medium text-blue-600">
+        Termin
+      </span>
+    </div>
+  );
+}
--- a/frontend/src/components/deadlines/DeadlineCalculator.tsx
+++ b/frontend/src/components/deadlines/DeadlineCalculator.tsx
@@ -0,0 +1,178 @@
+"use client";
+
+import { useQuery, useMutation } from "@tanstack/react-query";
+import { api } from "@/lib/api";
+import type { ProceedingType, CalculateResponse, CalculatedDeadline } from "@/lib/types";
+import { format, parseISO, isPast, isThisWeek } from "date-fns";
+import { de } from "date-fns/locale";
+import { Calculator, Calendar, ArrowRight, AlertTriangle } from "lucide-react";
+import { useState } from "react";
+
+function getTimelineUrgency(dueDate: string): "red" | "amber" | "green" {
+  const due = parseISO(dueDate);
+  if (isPast(due)) return "red";
+  if (isThisWeek(due, { weekStartsOn: 1 })) return "amber";
+  return "green";
+}
+
+const dotColors = {
+  red: "bg-red-500",
+  amber: "bg-amber-500",
+  green: "bg-green-500",
+};
+
+export function DeadlineCalculator() {
+  const [proceedingType, setProceedingType] = useState("");
+  const [triggerDate, setTriggerDate] = useState("");
+
+  const { data: proceedingTypes, isLoading: typesLoading } = useQuery({
+    queryKey: ["proceeding-types"],
+    queryFn: () => api.get<ProceedingType[]>("/api/proceeding-types"),
+  });
+
+  const calculateMutation = useMutation({
+    mutationFn: (params: { proceeding_type: string; trigger_event_date: string }) =>
+      api.post<CalculateResponse>("/api/deadlines/calculate", params),
+  });
+
+  function handleCalculate(e: React.FormEvent) {
+    e.preventDefault();
+    if (!proceedingType || !triggerDate) return;
+    calculateMutation.mutate({
+      proceeding_type: proceedingType,
+      trigger_event_date: triggerDate,
+    });
+  }
+
+  const results = calculateMutation.data;
+
+  return (
+    <div className="space-y-6">
+      {/* Input form */}
+      <form onSubmit={handleCalculate} className="rounded-lg border border-neutral-200 bg-white p-5">
+        <div className="flex items-center gap-2 text-sm font-medium text-neutral-900">
+          <Calculator className="h-4 w-4" />
+          Fristenberechnung
+        </div>
+        <div className="mt-4 grid gap-4 sm:grid-cols-3">
+          <div>
+            <label className="mb-1 block text-xs font-medium text-neutral-500">
+              Verfahrensart
+            </label>
+            <select
+              value={proceedingType}
+              onChange={(e) => setProceedingType(e.target.value)}
+              disabled={typesLoading}
+              className="w-full rounded-md border border-neutral-200 bg-white px-3 py-2 text-sm text-neutral-900"
+            >
+              <option value="">Bitte wahlen...</option>
+              {proceedingTypes?.map((pt) => (
+                <option key={pt.id} value={pt.code}>
+                  {pt.name} ({pt.code})
+                </option>
+              ))}
+            </select>
+          </div>
+          <div>
+            <label className="mb-1 block text-xs font-medium text-neutral-500">
+              Auslosedatum
+            </label>
+            <input
+              type="date"
+              value={triggerDate}
+              onChange={(e) => setTriggerDate(e.target.value)}
+              className="w-full rounded-md border border-neutral-200 bg-white px-3 py-2 text-sm text-neutral-900"
+            />
+          </div>
+          <div className="flex items-end">
+            <button
+              type="submit"
+              disabled={!proceedingType || !triggerDate || calculateMutation.isPending}
+              className="flex w-full items-center justify-center gap-2 rounded-md bg-neutral-900 px-4 py-2 text-sm font-medium text-white transition-colors hover:bg-neutral-800 disabled:cursor-not-allowed disabled:opacity-50"
+            >
+              {calculateMutation.isPending ? "Berechne..." : "Berechnen"}
+              <ArrowRight className="h-3.5 w-3.5" />
+            </button>
+          </div>
+        </div>
+      </form>
+
+      {/* Error */}
+      {calculateMutation.isError && (
+        <div className="flex items-center gap-2 rounded-lg border border-red-200 bg-red-50 px-4 py-3 text-sm text-red-700">
+          <AlertTriangle className="h-4 w-4 shrink-0" />
+          Fehler bei der Berechnung. Bitte Eingaben prufen.
+        </div>
+      )}
+
+      {/* Results */}
+      {results && results.deadlines && (
+        <div className="space-y-3">
+          <div className="flex items-center justify-between">
+            <h3 className="text-sm font-medium text-neutral-900">
+              Berechnete Fristen
+            </h3>
+            <span className="text-xs text-neutral-500">
+              {results.deadlines.length} Fristen ab{" "}
+              {format(parseISO(results.trigger_event_date), "dd. MMM yyyy", { locale: de })}
+            </span>
+          </div>
+
+          {/* Timeline */}
+          <div className="relative rounded-lg border border-neutral-200 bg-white">
+            {results.deadlines.map((d: CalculatedDeadline, i: number) => {
+              const urgency = getTimelineUrgency(d.due_date);
+              const isLast = i === results.deadlines.length - 1;
+
+              return (
+                <div
+                  key={d.rule_id}
+                  className={`flex gap-3 px-4 py-3 ${!isLast ? "border-b border-neutral-100" : ""}`}
+                >
+                  {/* Timeline dot + line */}
+                  <div className="flex flex-col items-center pt-1">
+                    <div className={`h-2.5 w-2.5 shrink-0 rounded-full ${dotColors[urgency]}`} />
+                    {!isLast && <div className="mt-1 w-px flex-1 bg-neutral-200" />}
+                  </div>
+
+                  {/* Content */}
+                  <div className="min-w-0 flex-1">
+                    <div className="flex items-start justify-between gap-2">
+                      <span className="text-sm font-medium text-neutral-900">
+                        {d.title}
+                      </span>
+                      <span className="shrink-0 text-sm font-medium tabular-nums text-neutral-700">
+                        {format(parseISO(d.due_date), "dd.MM.yyyy")}
+                      </span>
+                    </div>
+                    <div className="mt-0.5 flex items-center gap-2 text-xs text-neutral-500">
+                      {d.rule_code && <span>{d.rule_code}</span>}
+                      {d.was_adjusted && (
+                        <>
+                          {d.rule_code && <span>·</span>}
+                          <span className="text-amber-600">
+                            Angepasst (Original: {format(parseISO(d.original_due_date), "dd.MM.yyyy")})
+                          </span>
+                        </>
+                      )}
+                    </div>
+                  </div>
+                </div>
+              );
+            })}
+          </div>
+        </div>
+      )}
+
+      {/* Empty state */}
+      {!results && !calculateMutation.isPending && (
+        <div className="rounded-lg border border-neutral-200 bg-white p-8 text-center">
+          <Calendar className="mx-auto h-8 w-8 text-neutral-300" />
+          <p className="mt-2 text-sm text-neutral-500">
+            Verfahrensart und Auslosedatum wahlen, um Fristen zu berechnen
+          </p>
+        </div>
+      )}
+    </div>
+  );
+}
--- a/frontend/src/components/deadlines/DeadlineCalendarView.tsx
+++ b/frontend/src/components/deadlines/DeadlineCalendarView.tsx
@@ -0,0 +1,154 @@
+"use client";
+
+import type { Deadline } from "@/lib/types";
+import {
+  format,
+  startOfMonth,
+  endOfMonth,
+  startOfWeek,
+  endOfWeek,
+  eachDayOfInterval,
+  isSameMonth,
+  isToday,
+  parseISO,
+  isPast,
+  isThisWeek,
+  addMonths,
+  subMonths,
+} from "date-fns";
+import { de } from "date-fns/locale";
+import { ChevronLeft, ChevronRight } from "lucide-react";
+import { useState, useMemo } from "react";
+
+interface DeadlineCalendarViewProps {
+  deadlines: Deadline[];
+}
+
+function getUrgency(deadline: Deadline): "red" | "amber" | "green" {
+  if (deadline.status === "completed") return "green";
+  const due = parseISO(deadline.due_date);
+  if (isPast(due)) return "red";
+  if (isThisWeek(due, { weekStartsOn: 1 })) return "amber";
+  return "green";
+}
+
+const dotColors = {
+  red: "bg-red-500",
+  amber: "bg-amber-500",
+  green: "bg-green-500",
+};
+
+export function DeadlineCalendarView({ deadlines }: DeadlineCalendarViewProps) {
+  const [currentMonth, setCurrentMonth] = useState(new Date());
+
+  const monthStart = startOfMonth(currentMonth);
+  const monthEnd = endOfMonth(currentMonth);
+  const calStart = startOfWeek(monthStart, { weekStartsOn: 1 });
+  const calEnd = endOfWeek(monthEnd, { weekStartsOn: 1 });
+  const days = eachDayOfInterval({ start: calStart, end: calEnd });
+
+  const deadlinesByDay = useMemo(() => {
+    const map = new Map<string, Deadline[]>();
+    for (const d of deadlines) {
+      if (d.status === "completed") continue;
+      const key = d.due_date.slice(0, 10);
+      const existing = map.get(key) || [];
+      existing.push(d);
+      map.set(key, existing);
+    }
+    return map;
+  }, [deadlines]);
+
+  const weekDays = ["Mo", "Di", "Mi", "Do", "Fr", "Sa", "So"];
+
+  return (
+    <div className="rounded-lg border border-neutral-200 bg-white">
+      {/* Header */}
+      <div className="flex items-center justify-between border-b border-neutral-200 px-4 py-3">
+        <button
+          onClick={() => setCurrentMonth(subMonths(currentMonth, 1))}
+          className="rounded-md p-1 text-neutral-400 hover:bg-neutral-100 hover:text-neutral-600"
+        >
+          <ChevronLeft className="h-4 w-4" />
+        </button>
+        <span className="text-sm font-medium text-neutral-900">
+          {format(currentMonth, "MMMM yyyy", { locale: de })}
+        </span>
+        <button
+          onClick={() => setCurrentMonth(addMonths(currentMonth, 1))}
+          className="rounded-md p-1 text-neutral-400 hover:bg-neutral-100 hover:text-neutral-600"
+        >
+          <ChevronRight className="h-4 w-4" />
+        </button>
+      </div>
+
+      {/* Weekday labels */}
+      <div className="grid grid-cols-7 border-b border-neutral-100">
+        {weekDays.map((d) => (
+          <div key={d} className="px-2 py-2 text-center text-xs font-medium text-neutral-400">
+            {d}
+          </div>
+        ))}
+      </div>
+
+      {/* Days grid */}
+      <div className="grid grid-cols-7">
+        {days.map((day, i) => {
+          const key = format(day, "yyyy-MM-dd");
+          const dayDeadlines = deadlinesByDay.get(key) || [];
+          const inMonth = isSameMonth(day, currentMonth);
+          const today = isToday(day);
+
+          return (
+            <div
+              key={i}
+              className={`min-h-[4.5rem] border-b border-r border-neutral-100 p-1.5 ${
+                !inMonth ? "bg-neutral-50" : ""
+              }`}
+            >
+              <div
+                className={`mb-1 text-right text-xs ${
+                  today
+                    ? "font-bold text-neutral-900"
+                    : inMonth
+                      ? "text-neutral-600"
+                      : "text-neutral-300"
+                }`}
+              >
+                {today ? (
+                  <span className="inline-flex h-5 w-5 items-center justify-center rounded-full bg-neutral-900 text-white">
+                    {format(day, "d")}
+                  </span>
+                ) : (
+                  format(day, "d")
+                )}
+              </div>
+              <div className="space-y-0.5">
+                {dayDeadlines.slice(0, 3).map((dl) => {
+                  const urgency = getUrgency(dl);
+                  return (
+                    <div
+                      key={dl.id}
+                      className="flex items-center gap-1 truncate"
+                      title={dl.title}
+                    >
+                      <div className={`h-1.5 w-1.5 shrink-0 rounded-full ${dotColors[urgency]}`} />
+                      <span className="truncate text-[10px] text-neutral-700">
+                        {dl.title}
+                      </span>
+                    </div>
+                  );
+                })}
+                {dayDeadlines.length > 3 && (
+                  <div className="text-[10px] text-neutral-400">
+                    +{dayDeadlines.length - 3} mehr
+                  </div>
+                )}
+              </div>
+            </div>
+          );
+        })}
+      </div>
+    </div>
+  );
+}
--- a/frontend/src/components/deadlines/DeadlineList.tsx
+++ b/frontend/src/components/deadlines/DeadlineList.tsx
@@ -0,0 +1,257 @@
+"use client";
+
+import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
+import { api } from "@/lib/api";
+import type { Deadline, Case } from "@/lib/types";
+import { format, isPast, isThisWeek, parseISO } from "date-fns";
+import { de } from "date-fns/locale";
+import { Check, Clock, Filter } from "lucide-react";
+import { toast } from "sonner";
+import { useState, useMemo } from "react";
+
+type StatusFilter = "all" | "pending" | "completed" | "overdue";
+
+function getUrgency(deadline: Deadline): "red" | "amber" | "green" {
+  if (deadline.status === "completed") return "green";
+  const due = parseISO(deadline.due_date);
+  if (isPast(due)) return "red";
+  if (isThisWeek(due, { weekStartsOn: 1 })) return "amber";
+  return "green";
+}
+
+const urgencyConfig = {
+  red: {
+    bg: "bg-red-50",
+    border: "border-red-200",
+    badge: "bg-red-100 text-red-700",
+    dot: "bg-red-500",
+    label: "Uberschritten",
+  },
+  amber: {
+    bg: "bg-amber-50",
+    border: "border-amber-200",
+    badge: "bg-amber-100 text-amber-700",
+    dot: "bg-amber-500",
+    label: "Diese Woche",
+  },
+  green: {
+    bg: "bg-white",
+    border: "border-neutral-200",
+    badge: "bg-green-100 text-green-700",
+    dot: "bg-green-500",
+    label: "OK",
+  },
+};
+
+export function DeadlineList() {
+  const queryClient = useQueryClient();
+  const [statusFilter, setStatusFilter] = useState<StatusFilter>("all");
+  const [caseFilter, setCaseFilter] = useState<string>("all");
+
+  const { data: deadlines, isLoading } = useQuery({
+    queryKey: ["deadlines"],
+    queryFn: () => api.get<Deadline[]>("/api/deadlines"),
+  });
+
+  const { data: cases } = useQuery({
+    queryKey: ["cases"],
+    queryFn: () => api.get<Case[]>("/api/cases"),
+  });
+
+  const completeMutation = useMutation({
+    mutationFn: (id: string) =>
+      api.patch<Deadline>(`/api/deadlines/${id}/complete`),
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: ["deadlines"] });
+      toast.success("Frist als erledigt markiert");
+    },
+    onError: () => {
+      toast.error("Fehler beim Abschliessen der Frist");
+    },
+  });
+
+  const caseMap = useMemo(() => {
+    const map = new Map<string, Case>();
+    cases?.forEach((c) => map.set(c.id, c));
+    return map;
+  }, [cases]);
+
+  const filtered = useMemo(() => {
+    if (!deadlines) return [];
+    return deadlines.filter((d) => {
+      if (statusFilter === "pending" && d.status !== "pending") return false;
+      if (statusFilter === "completed" && d.status !== "completed") return false;
+      if (statusFilter === "overdue") {
+        if (d.status === "completed") return false;
+        if (!isPast(parseISO(d.due_date))) return false;
+      }
+      if (caseFilter !== "all" && d.case_id !== caseFilter) return false;
+      return true;
+    });
+  }, [deadlines, statusFilter, caseFilter]);
+
+  const counts = useMemo(() => {
+    if (!deadlines) return { overdue: 0, thisWeek: 0, ok: 0 };
+    let overdue = 0, thisWeek = 0, ok = 0;
+    for (const d of deadlines) {
+      if (d.status === "completed") continue;
+      const urgency = getUrgency(d);
+      if (urgency === "red") overdue++;
+      else if (urgency === "amber") thisWeek++;
+      else ok++;
+    }
+    return { overdue, thisWeek, ok };
+  }, [deadlines]);
+
+  if (isLoading) {
+    return (
+      <div className="space-y-3">
+        {[1, 2, 3, 4, 5].map((i) => (
+          <div key={i} className="h-16 animate-pulse rounded-lg bg-neutral-100" />
+        ))}
+      </div>
+    );
+  }
+
+  return (
+    <div className="space-y-4">
+      {/* Summary cards */}
+      <div className="grid grid-cols-3 gap-3">
+        <button
+          onClick={() => setStatusFilter(statusFilter === "overdue" ? "all" : "overdue")}
+          className={`rounded-lg border p-3 text-left transition-colors ${
+            statusFilter === "overdue"
+              ? "border-red-300 bg-red-50"
+              : "border-neutral-200 bg-white hover:bg-neutral-50"
+          }`}
+        >
+          <div className="text-2xl font-semibold text-red-600">{counts.overdue}</div>
+          <div className="text-xs text-neutral-500">Uberschritten</div>
+        </button>
+        <button
+          onClick={() => setStatusFilter(statusFilter === "pending" ? "all" : "pending")}
+          className={`rounded-lg border p-3 text-left transition-colors ${
+            statusFilter === "pending"
+              ? "border-amber-300 bg-amber-50"
+              : "border-neutral-200 bg-white hover:bg-neutral-50"
+          }`}
+        >
+          <div className="text-2xl font-semibold text-amber-600">{counts.thisWeek}</div>
+          <div className="text-xs text-neutral-500">Diese Woche</div>
+        </button>
+        <button
+          onClick={() => setStatusFilter("all")}
+          className={`rounded-lg border p-3 text-left transition-colors ${
+            statusFilter === "all"
+              ? "border-green-300 bg-green-50"
+              : "border-neutral-200 bg-white hover:bg-neutral-50"
+          }`}
+        >
+          <div className="text-2xl font-semibold text-green-600">{counts.ok}</div>
+          <div className="text-xs text-neutral-500">OK</div>
+        </button>
+      </div>
+
+      {/* Filters */}
+      <div className="flex items-center gap-3">
+        <div className="flex items-center gap-1.5 text-sm text-neutral-500">
+          <Filter className="h-3.5 w-3.5" />
+          <span>Filter:</span>
+        </div>
+        <select
+          value={statusFilter}
+          onChange={(e) => setStatusFilter(e.target.value as StatusFilter)}
+          className="rounded-md border border-neutral-200 bg-white px-2.5 py-1 text-sm text-neutral-700"
+        >
+          <option value="all">Alle Status</option>
+          <option value="pending">Offen</option>
+          <option value="completed">Erledigt</option>
+          <option value="overdue">Uberschritten</option>
+        </select>
+        {cases && cases.length > 0 && (
+          <select
+            value={caseFilter}
+            onChange={(e) => setCaseFilter(e.target.value)}
+            className="rounded-md border border-neutral-200 bg-white px-2.5 py-1 text-sm text-neutral-700"
+          >
+            <option value="all">Alle Akten</option>
+            {cases.map((c) => (
+              <option key={c.id} value={c.id}>
+                {c.case_number} — {c.title}
+              </option>
+            ))}
+          </select>
+        )}
+      </div>
+
+      {/* Deadline list */}
+      {filtered.length === 0 ? (
+        <div className="rounded-lg border border-neutral-200 bg-white p-8 text-center">
+          <Clock className="mx-auto h-8 w-8 text-neutral-300" />
+          <p className="mt-2 text-sm text-neutral-500">Keine Fristen gefunden</p>
+        </div>
+      ) : (
+        <div className="space-y-2">
+          {filtered.map((deadline) => {
+            const urgency = getUrgency(deadline);
+            const config = urgencyConfig[urgency];
+            const caseInfo = caseMap.get(deadline.case_id);
+
+            return (
+              <div
+                key={deadline.id}
+                className={`flex items-center gap-3 rounded-lg border px-4 py-3 ${config.bg} ${config.border}`}
+              >
+                <div className={`h-2.5 w-2.5 shrink-0 rounded-full ${config.dot}`} />
+                <div className="min-w-0 flex-1">
+                  <div className="flex items-center gap-2">
+                    <span className="truncate text-sm font-medium text-neutral-900">
+                      {deadline.title}
+                    </span>
+                    <span className={`shrink-0 rounded px-1.5 py-0.5 text-xs font-medium ${config.badge}`}>
+                      {config.label}
+                    </span>
+                    {deadline.status === "completed" && (
+                      <span className="shrink-0 rounded bg-neutral-100 px-1.5 py-0.5 text-xs font-medium text-neutral-500">
+                        Erledigt
+                      </span>
+                    )}
+                  </div>
+                  <div className="mt-0.5 flex items-center gap-2 text-xs text-neutral-500">
+                    <span>
+                      {format(parseISO(deadline.due_date), "dd. MMM yyyy", { locale: de })}
+                    </span>
+                    {caseInfo && (
+                      <>
+                        <span>·</span>
+                        <span className="truncate">
+                          {caseInfo.case_number} — {caseInfo.title}
+                        </span>
+                      </>
+                    )}
+                    {deadline.source !== "manual" && (
+                      <>
+                        <span>·</span>
+                        <span>{deadline.source}</span>
+                      </>
+                    )}
+                  </div>
+                </div>
+                {deadline.status !== "completed" && (
+                  <button
+                    onClick={() => completeMutation.mutate(deadline.id)}
+                    disabled={completeMutation.isPending}
+                    title="Als erledigt markieren"
+                    className="shrink-0 rounded-md p-1.5 text-neutral-400 hover:bg-white hover:text-green-600"
+                  >
+                    <Check className="h-4 w-4" />
+                  </button>
+                )}
+              </div>
+            );
+          })}
+        </div>
+      )}
+    </div>
+  );
+}
--- a/frontend/src/components/layout/Sidebar.tsx
+++ b/frontend/src/components/layout/Sidebar.tsx
@@ -12,11 +12,11 @@ import {
 } from "lucide-react";

 const navigation = [
-  { name: "Dashboard", href: "/", icon: LayoutDashboard },
+  { name: "Dashboard", href: "/dashboard", icon: LayoutDashboard },
  { name: "Akten", href: "/akten", icon: FolderOpen },
  { name: "Fristen", href: "/fristen", icon: Clock },
  { name: "Termine", href: "/termine", icon: Calendar },
-  { name: "AI Analyse", href: "/ai", icon: Brain },
+  { name: "AI Analyse", href: "/ai/extract", icon: Brain },
  { name: "Einstellungen", href: "/einstellungen", icon: Settings },
 ];

@@ -30,10 +30,7 @@ export function Sidebar() {
      </div>
      <nav className="flex-1 space-y-0.5 p-2">
        {navigation.map((item) => {
-          const isActive =
-            item.href === "/"
-              ? pathname === "/"
-              : pathname.startsWith(item.href);
+          const isActive = pathname.startsWith(item.href);
          return (
            <Link
              key={item.href}
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -69,9 +69,51 @@ class ApiClient {
    });
  }

+  patch<T>(path: string, body?: unknown) {
+    return this.request<T>(path, {
+      method: "PATCH",
+      body: body ? JSON.stringify(body) : undefined,
+    });
+  }
+
  delete<T>(path: string) {
    return this.request<T>(path, { method: "DELETE" });
  }
+
+  async postFormData<T>(path: string, formData: FormData): Promise<T> {
+    const supabase = createClient();
+    const {
+      data: { session },
+    } = await supabase.auth.getSession();
+
+    const headers: HeadersInit = {};
+    if (session?.access_token) {
+      headers["Authorization"] = `Bearer ${session.access_token}`;
+    }
+    const tenantId = typeof window !== "undefined"
+      ? localStorage.getItem("kanzlai_tenant_id")
+      : null;
+    if (tenantId) {
+      headers["X-Tenant-ID"] = tenantId;
+    }
+
+    const res = await fetch(`${this.baseUrl}${path}`, {
+      method: "POST",
+      headers,
+      body: formData,
+    });
+
+    if (!res.ok) {
+      const body = await res.json().catch(() => ({}));
+      const err: ApiError = {
+        error: body.error || res.statusText,
+        status: res.status,
+      };
+      throw err;
+    }
+
+    return res.json();
+  }
 }

 export const api = new ApiClient();
--- a/frontend/src/lib/types.ts
+++ b/frontend/src/lib/types.ts
@@ -104,6 +104,54 @@ export interface Document {
  updated_at: string;
 }

+export interface DeadlineRule {
+  id: string;
+  proceeding_type_id?: number;
+  parent_id?: string;
+  code?: string;
+  name: string;
+  description?: string;
+  primary_party?: string;
+  event_type?: string;
+  is_mandatory: boolean;
+  duration_value: number;
+  duration_unit: string;
+  timing?: string;
+  rule_code?: string;
+  deadline_notes?: string;
+  sequence_order: number;
+}
+
+export interface RuleTreeNode extends DeadlineRule {
+  children?: RuleTreeNode[];
+}
+
+export interface ProceedingType {
+  id: number;
+  code: string;
+  name: string;
+  description?: string;
+  jurisdiction?: string;
+  default_color: string;
+  sort_order: number;
+  is_active: boolean;
+}
+
+export interface CalculatedDeadline {
+  rule_code: string;
+  rule_id: string;
+  title: string;
+  due_date: string;
+  original_due_date: string;
+  was_adjusted: boolean;
+}
+
+export interface CalculateResponse {
+  proceeding_type: string;
+  trigger_event_date: string;
+  deadlines: CalculatedDeadline[];
+}
+
 export interface ApiError {
  error: string;
  status: number;
Author	SHA1	Message	Date
m	749273fba7	feat: add appointment calendar frontend (Phase 1H) - /termine page with list/calendar view toggle - AppointmentList: date-grouped list with type/case filtering, summary cards - AppointmentCalendar: month grid with colored type dots, clickable days/appointments - AppointmentModal: create/edit/delete with case linking, type selection, location	2026-03-25 14:00:56 +01:00
m	2cf01073a3	feat: add AI extraction frontend page (Phase 2M)	2026-03-25 13:54:49 +01:00
m	ed83d23d06	feat: add deadline management frontend (Phase 1G)	2026-03-25 13:54:35 +01:00
m	97ebeafcf7	feat: add case list, detail, and creation pages (Phase 1F)	2026-03-25 13:54:23 +01:00
m	26887248e1	feat: add dashboard with traffic lights, timeline, AI summary (Phase 2L)	2026-03-25 13:54:13 +01:00
m	1fa7d90050	feat: add deadline management frontend (Phase 1G) - Fristen page with list view (sortable, filterable by status/case) - Calendar view with month navigation and deadline dots - Deadline calculator page (proceeding type + trigger date = timeline) - Traffic light urgency: red (overdue), amber (this week), green (OK) - Backend: GET /api/deadlines (all tenant deadlines), GET /api/proceeding-types - API client: added patch() method - Types: DeadlineRule, ProceedingType, CalculatedDeadline, RuleTreeNode	2026-03-25 13:53:12 +01:00
m	3a56d4cf11	feat: add frontend case list, detail, and creation pages (Phase 1F) - Case list page (/cases) with search, status/type filters, status badges - Case creation page (/cases/new) with reusable CaseForm component - Case detail page (/cases/[id]) with tabs: Timeline, Deadlines, Documents, Parties - CaseTimeline component for chronological case_events display - PartyList component with inline party CRUD (add/delete) - Updated sidebar navigation to route to /cases	2026-03-25 13:50:20 +01:00
m	45188ff5cb	feat: add frontend dashboard with traffic lights, timeline, and AI summary (Phase 2L) Dashboard page at /dashboard with 5 components: - DeadlineTrafficLights: RED/AMBER/GREEN cards with animated counts and pulse for overdue - CaseOverviewGrid: active/new/closed case counts - UpcomingTimeline: merged deadlines + appointments for next 7 days, grouped by day - AISummaryCard: natural language summary generated from dashboard data - QuickActions: shortcuts to create cases, deadlines, AI analysis, CalDAV sync 3-column responsive grid layout. Root / redirects to /dashboard. Fetches from GET /api/dashboard with 60s auto-refresh via react-query.	2026-03-25 13:49:24 +01:00
m	65b70975eb	feat: add AI deadline extraction frontend page (Phase 2M) - ExtractionForm: PDF dropzone (react-dropzone) + text textarea + case selector - ExtractionResults: review table with edit/remove per row, confidence color-coding - Page at /ai/extract: upload -> analyze -> review -> adopt deadlines to case - Extended API client with postFormData for multipart uploads - Added ExtractedDeadline and ExtractionResponse types	2026-03-25 13:48:53 +01:00
m	0fac764211	feat: add AI deadline extraction and case summary (Phase 2J)	2026-03-25 13:44:58 +01:00
m	78c511bd1f	feat: add document upload/download backend (Phase 2K)	2026-03-25 13:44:01 +01:00
m	ca572d3289	feat: add dashboard aggregation endpoint (Phase 2I)	2026-03-25 13:43:29 +01:00
m	b2b3e04d05	feat: add frontend auth, app layout, and Supabase integration (Phase 1E)	2026-03-25 13:43:21 +01:00
m	5758e2c37f	feat: add AI deadline extraction and case summary endpoints (Phase 2J) Add two Claude API-powered endpoints: - POST /api/ai/extract-deadlines: accepts PDF upload or JSON text, extracts legal deadlines using Claude tool_use for structured output - POST /api/ai/summarize-case: generates AI summary from case events/deadlines, caches result in cases.ai_summary New files: - internal/services/ai_service.go: AIService with Anthropic SDK integration - internal/handlers/ai.go: HTTP handlers for both endpoints - internal/services/ai_service_test.go: tool schema and serialization tests Uses anthropic-sdk-go v1.27.1 with Claude Sonnet 4.5. AI service is optional — endpoints only registered when ANTHROPIC_API_KEY is set.	2026-03-25 13:40:27 +01:00
m	9bd8cc9e07	feat: add document upload/download backend (Phase 2K) - StorageClient for Supabase Storage REST API (upload, download, delete) - DocumentService with CRUD operations + storage integration - DocumentHandler with multipart form upload support (50MB limit) - Routes: GET/POST /api/cases/{id}/documents, GET/DELETE /api/documents/{docId} - file_path format: {tenant_id}/{case_id}/{uuid}_{filename} - Case events logged on upload/delete - Added SUPABASE_SERVICE_KEY to config for server-side storage access - Fixed pre-existing duplicate writeJSON/writeError in appointments.go	2026-03-25 13:40:19 +01:00
m	e53e1389f9	feat: add dashboard aggregation endpoint (Phase 2I) GET /api/dashboard returns aggregated data: - deadline_summary: overdue, due this/next week, ok counts - case_summary: active, new this month, closed counts - upcoming_deadlines: next 7 days with case info - upcoming_appointments: next 7 days - recent_activity: last 10 case events Uses efficient CTE query for summaries. Also fixes duplicate writeJSON/writeError declarations in appointments handler.	2026-03-25 13:37:06 +01:00