Add optimized workflow notes layer

optimized/notes/flux.md

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+# FLUX Notes
+
+## Current useful collected workflows
+
+- `models/flux/all-in-one-fluxdev-v0-2/`
+- `models/flux/flow-upscaler/`
+- `models/flux/flux-fill-inpainting/`
+- `models/flux/flux-redux-reference-restyle/`
+- `models/flux/flux-union-controlnet/`
+
+## Current strongest roles
+
+- `flow-upscaler`:
+  - strongest practical upscale-oriented FLUX workflow so far
+- `flux-fill-inpainting`:
+  - cleanest dedicated edit/inpaint route
+- `flux-redux-reference-restyle`:
+  - good reference-led variation / restyling baseline
+- `flux-union-controlnet`:
+  - strongest structure-control baseline
+- `all-in-one-fluxdev-v0-2`:
+  - useful as a source mine, not necessarily as a final master
+
+## Current heuristics
+
+- Prefer clean specialist graphs over giant all-in-one graphs when building optimized masters.
+- Use big all-in-one graphs as idea mines for nodes/settings, not as the final default.
+- Control, edit, and upscale workflows matter more than plain text-to-image for the current interest group.
+
+## Best current optimization direction
+
+- `optimized/upscale-restoration/` should likely borrow first from `flow-upscaler`
+- `optimized/image-edit/` should likely compare:
+  - `flux-fill-inpainting`
+  - `flux-redux-reference-restyle`
+  - `flux-union-controlnet`
+- `all-in-one-fluxdev-v0-2` is the place to steal useful sub-ideas if a cleaner graph needs a missing feature