feat(render-spec): add list.row_action — t-paliad-163 Slice 1

Schema bump that lets the universal <FilterBar> tell shape-list which
row interaction to wire (navigate / complete_toggle / approve / none).
Defaults to navigate when empty so existing SystemView definitions and
saved user views continue to render rows that route to the per-kind
detail page.

Validator extended; pure-Go test cases over every enum value + reject.
TS mirror updated in client/views/types.ts. No DB migration — the
field is purely additive on the JSON shape.

frontend/src/client/views/types.ts

@@ -71,10 +71,13 @@ export interface FilterSpec {
 
 export type RenderShape = "list" | "cards" | "calendar";
 
+export type ListRowAction = "navigate" | "complete_toggle" | "approve" | "none";
+
 export interface ListConfig {
   columns?: string[];
   sort?: "date_asc" | "date_desc";
   density?: "comfortable" | "compact";
+  row_action?: ListRowAction;
 }
 
 export interface CardsConfig {

internal/services/render_spec.go

@@ -45,10 +45,23 @@ type RenderSpec struct {
 // ListConfig is the per-shape config for shape=list. Powers both the
 // /events table look (density=comfortable) and the activity-feed look
 // (density=compact + actor/time columns).
+//
+// RowAction tells shape-list which row interaction to wire when the
+// universal <FilterBar> renders the table. "navigate" (the default and
+// the contract for the existing /agenda/dashboard surfaces) routes a
+// row click to a per-kind detail page. "complete_toggle" is the
+// /events deadline-row pattern (checkbox + reopen button). "approve"
+// is the /inbox approver row (approve/reject buttons + revoke). "none"
+// is read-only (audit views, retrospective lists).
+//
+// shape-list.ts honours this when emitting the table's `entity-table`
+// classes — `entity-table--readonly` plus `none` skips the navigate
+// handler entirely.
 type ListConfig struct {
-	Columns []string    `json:"columns,omitempty"`
-	Sort    SortOrder   `json:"sort,omitempty"`
-	Density ListDensity `json:"density,omitempty"`
+	Columns   []string      `json:"columns,omitempty"`
+	Sort      SortOrder     `json:"sort,omitempty"`
+	Density   ListDensity   `json:"density,omitempty"`
+	RowAction ListRowAction `json:"row_action,omitempty"`
 }
 
 // CardsConfig is the per-shape config for shape=cards.
@@ -78,6 +91,29 @@ const (
 	DensityCompact     ListDensity = "compact"
 )
 
+// ListRowAction identifies which row interaction the list-shape renderer
+// should wire. Defaults to RowActionNavigate when empty so existing
+// SystemView definitions and saved user views continue to render rows
+// that route to the per-kind detail page.
+type ListRowAction string
+
+const (
+	RowActionNavigate       ListRowAction = "navigate"
+	RowActionCompleteToggle ListRowAction = "complete_toggle"
+	RowActionApprove        ListRowAction = "approve"
+	RowActionNone           ListRowAction = "none"
+)
+
+// KnownRowActions is the registry the validator checks against. Adding a
+// new action = add a const above AND append here AND extend
+// shape-list.ts's switch.
+var KnownRowActions = []ListRowAction{
+	RowActionNavigate,
+	RowActionCompleteToggle,
+	RowActionApprove,
+	RowActionNone,
+}
+
 type CardsGroupBy string
 
 const (
@@ -148,6 +184,9 @@ func (c *ListConfig) validate() error {
 	default:
 		return fmt.Errorf("%w: unknown list.density %q", ErrInvalidInput, c.Density)
 	}
+	if c.RowAction != "" && !slices.Contains(KnownRowActions, c.RowAction) {
+		return fmt.Errorf("%w: unknown list.row_action %q", ErrInvalidInput, c.RowAction)
+	}
 	return nil
 }
 

internal/services/render_spec_test.go

@@ -75,6 +75,26 @@ func TestRenderSpec_CalendarViewEnum(t *testing.T) {
 	}
 }
 
+func TestRenderSpec_RowActionEnum(t *testing.T) {
+	for _, action := range KnownRowActions {
+		t.Run(string(action), func(t *testing.T) {
+			s := RenderSpec{Shape: ShapeList, List: &ListConfig{RowAction: action}}
+			if err := s.Validate(); err != nil {
+				t.Fatalf("known row_action %q must validate: %v", action, err)
+			}
+		})
+	}
+	s := RenderSpec{Shape: ShapeList, List: &ListConfig{RowAction: "delete"}}
+	if err := s.Validate(); !errors.Is(err, ErrInvalidInput) {
+		t.Fatalf("unknown row_action must reject, got %v", err)
+	}
+	// Empty defaults to navigate at the renderer level — schema accepts.
+	empty := RenderSpec{Shape: ShapeList, List: &ListConfig{}}
+	if err := empty.Validate(); err != nil {
+		t.Fatalf("empty row_action must validate (defaults to navigate): %v", err)
+	}
+}
+
 func TestRenderSpec_RoundTrip(t *testing.T) {
 	original := RenderSpec{
 		Shape: ShapeList,