Add tracked AI skills for Blender assets and release QA

.agents/skills/gig-line-blender-asset-contract/references/verification.md

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+# Verification Matrix
+
+Run from the repository root. Stop and fix the first failure before continuing.
+
+## Environment
+
+```bash
+godot --version
+flatpak run org.blender.Blender --version | head -3
+git status --short
+```
+
+Expected: Godot 4.7.2; Blender 5.2 LTS flatpak; clean or intentionally scoped
+working tree. Blender's flatpak cwd is `/app/blender`; all paths passed to
+Blender must be absolute.
+
+## Asset checks
+
+| Check | Command | Expected |
+| --- | --- | --- |
+| Contract audit | `python3 tools/blender_assets.py audit` | exit 0, no `BAD` assets |
+| Gear fit | `python3 tools/blender_assets.py fit` | exit 0; review head band/clothing/back clearances |
+| Texture/texel density | `python3 tools/blender_assets.py texels` | authored 40–400 px/m; fabric ≥250 px/m |
+| NPC base | `python3 tools/npc_pipeline.py audit` | exit 0, contract bones/slots/maps |
+| Proportions | `python3 tools/npc_proportions.py report` | all eight inside the stylized guide |
+| Single incoming GLB | `flatpak run org.blender.Blender --background --python "$PWD/tools/blender_assets.py" -- inspect --file "$PWD/path.glb" --category <cat> --json` | contract result and measurements |
+| Prop audit | `python3 tools/model_pipeline.py audit` | exit 0 when generated props changed |
+| Texture audit | `python3 tools/asset_pipeline.py audit assets/textures/ai/game_ready` | exit 0 when textures changed |
+
+## Build/bake
+
+```bash
+# one library asset
+flatpak run org.blender.Blender --background \
+  --python "$PWD/tools/blender_assets.py" -- build --only npc_guard
+
+# bake AO for the same asset
+flatpak run org.blender.Blender --background \
+  --python "$PWD/tools/bake_ao.py" -- --only npc_guard
+
+# NPC base material maps/base
+python3 tools/npc_pipeline.py prepare
+flatpak run org.blender.Blender --background \
+  --python "$PWD/tools/npc_pipeline.py" -- build
+python3 tools/npc_pipeline.py audit
+```
+
+Only run `prepare` when AI fabric inputs changed. Do not run a full library
+rebuild just to hide a small diff; build the affected asset and its AO map.
+
+## Import and tests
+
+```bash
+godot --headless --path . --import
+godot --headless --path . --script res://src/test/test_runner.gd
+python3 -m unittest discover -s tools/tests -t tools -p 'test_*.py'
+python3 tools/check_docs.py
+```
+
+Expected: Godot suite passes; Python tooling suite passes; docs check OK. The
+project uses its own headless runner, not GUT.
+
+## Capture gates
+
+```bash
+# neutral studio baseline: 48 frames (8 characters x 6 views)
+godot --path . --script res://src/test/capture_npc_baseline.gd \
+  -- --out=res://tmp/npc-baseline-after
+
+# final-context: 96 frames (8 models x 3 distances x 2 venues x day/night)
+godot --path . --script res://src/test/capture_npc_review.gd \
+  -- --out=res://tmp/npc-review-after
+
+# optional hand close-up: 8 frames
+godot --path . --script res://src/test/capture_npc_baseline.gd \
+  -- --out=res://tmp/npc-hands --view=hand
+```
+
+Raw frames stay under `tmp/` and are never committed. Compare with:
+
+```bash
+python3 tools/npc_baseline.py compare \
+  --before tmp/npc-baseline --after tmp/npc-baseline-after \
+  --out docs/blender_previews/sheet_npc_baseline_compare-<topic>.jpg
+```
+
+Do not replace the committed baseline sheet until the change is accepted.
+
+## Budget/performance
+
+```bash
+godot --headless --path . --script res://src/test/smoke_npc_budget.gd
+```
+
+Expected report: 24 avatars / 168 meshes / 131,616 triangles (current baseline)
+inside the 50 ms budget. Record the actual frame time; do not copy an old number
+without measuring.
+
+## Visual review criteria
+
+For each changed variant, inspect at least:
+
+- 2 m portrait: eyes, mouth, ears, neck/shoulder, hair/headgear clearance.
+- 4.2 m conversation: hands, gear contact, clothing silhouette.
+- 8 m crowd: readable silhouette and LOD/impostor swap.
+- Day and night/LATE final-context frames.
+- Front, three-quarter and profile for a shape change.
+
+Accepted stylized limits are in `docs/npc-visual-review.md` and
+`docs/known-limitations.md`. Do not turn an accepted limit into an unreviewed
+contract change.
+
+## Final diff review
+
+```bash
+git diff --check
+git status --short
+git diff --stat
+```
+
+Check that only intended `.glb`, AO/maps, manifest, tests and docs changed. If a
+`.blend`, raw capture, generated AI input or temporary sheet is staged, stop and
+remove it. Commit one coherent asset family per commit.