mAi
8435817ce1
Path 1 architecture: one comfyui adapter, workflows as data.
- workflow_template.go: embed.FS + token substitution with type-preserving
whole-value placeholders. ${prompt} → string, ${seed} → int64,
${cfg} → float64 — no JSON round-tripping. Partial matches ignored.
- comfyui.go: refactored to load workflow from embedded FS or filesystem
path. Back-compat preserved: workflow: defaults to flux1-schnell.
- workflows/{flux1-schnell,flux2-klein,sd35-medium}.json — bundled
templates. flux1-schnell migrated from hardcoded with identical node IDs.
- compare.go: new `imagen compare` subcommand. Sequential N-backend run
(one GPU on mRock — parallel would OOM), per-backend PNG, sidecar JSON
with per-model metadata + errors, composite contact sheet via Go image
package (no ImageMagick dep).
- Sample config gains flux2-klein-local + sd35-medium-local instances.
- docs/backends.md: architecture rationale + per-model HF download paths
+ how to add a new bundled workflow + compare-harness reference.
Live smoke verified: compare mock + flux-schnell-local at 768×768 →
both PNGs written, sidecar JSON has workflow="flux1-schnell" + full
metadata, contact sheet renders. Worker contract (Request → Generate)
unchanged, so flexsiebels /imagine UI API surface preserved.
Tests: 11 existing comfyui + 6 new workflow_template + 5 new compare
tests, all green.
Adding a new model is now yaml + JSON, never Go.
67 lines
1.2 KiB
JSON
67 lines
1.2 KiB
JSON
{
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"4": {
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"class_type": "CheckpointLoaderSimple",
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"inputs": {
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"ckpt_name": "${model}"
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}
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},
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"6": {
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"class_type": "CLIPTextEncode",
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"inputs": {
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"text": "${prompt}",
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"clip": ["4", 1]
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}
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},
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"7": {
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"class_type": "CLIPTextEncode",
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"inputs": {
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"text": "${negative}",
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"clip": ["4", 1]
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}
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},
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"8": {
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"class_type": "VAEDecode",
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"inputs": {
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"samples": ["31", 0],
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"vae": ["4", 2]
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}
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},
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"9": {
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"class_type": "SaveImage",
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"inputs": {
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"filename_prefix": "imagen",
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"images": ["8", 0]
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}
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},
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"13": {
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"class_type": "ModelSamplingSD3",
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"inputs": {
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"model": ["4", 0],
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"shift": "${shift}"
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}
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},
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"27": {
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"class_type": "EmptySD3LatentImage",
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"inputs": {
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"width": "${width}",
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"height": "${height}",
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"batch_size": 1
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}
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},
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"31": {
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"class_type": "KSampler",
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"inputs": {
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"model": ["13", 0],
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"seed": "${seed}",
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"steps": "${steps}",
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"cfg": "${cfg}",
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"sampler_name": "${sampler}",
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"scheduler": "${scheduler}",
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"denoise": 1.0,
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"positive": ["6", 0],
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"negative": ["7", 0],
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"latent_image": ["27", 0]
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}
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}
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}
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