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Map Photos roles to Qwen image_1/image_2 and inject encode tags silently.

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Mention phrases become <imageN> only in the TextEncode string; the inspector never shows Comfy tokens.

Co-authored-by: Cursor <cursoragent@cursor.com>
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Towsty
2026-09-26 16:01:49 -05:00
co-authored by Cursor
parent 5c2248a3fd
commit 50319e03a9
4 changed files with 49 additions and 15 deletions
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docs/qwen21.md
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@@ -35,7 +35,7 @@ Restart Comfy **only when idle** (`COMFY_CONTROL_URL/status` → `gpu.busy=false
- Engine key: `qwen21` · UI label: **Qwen 2.1**
- **Generate** (T2I) and **Edit** (same checkpoint, second graph). Compose / Iterate / Video / Extend / Music stay disabled unless a graph exists.
- Edit requires Start still → `images.image_1`; prompt slots use `<image1>` / `<image2>`. If the user omits `<image1>`, the runner prepends `Keep the identity, face, body, and pose of the person in <image1>. Apply only this change:` then their text. Hero is Klein-only and is ignored (never image_1).
- Edit maps Photos roles → graph sockets: Photo to change → `images.image_1`, Outfit / object or Extra → `image_2`. The inspector never shows `<image1>`; the runner injects tags into the TextEncode string on submit (and expands Mention phrases like “this photo” / “the outfit photo”). If `<image1>` is still missing, prepend the keep-identity stanza. Klein hero-ref is off for Qwen.
- Face / outfit locks stay Klein semantics — they do not drive Qwen slots.
- Sampler defaults: euler / simple / cfg **1** / steps **25**. Edit uses `QwenImage21Cache` (device auto, dtype int8). T2I uses `ModelSamplingAuraFlow` shift **3.1**.
- Default Generate canvas follows the bench Aspect control on the Qwen-safe ~1 MP grid (`EmptyLatentImage`): 1:1 → 1024×1024, 16:9 → 1536×864, 9:16 → 864×1536 (and the other table rows). PE `wh_ratio` is advisory only and never sizes the canvas. Do not use native 2K bins on 16 GB.