[codex] EPIC #62 Harness Engineering を実装

.github/workflows/ci.yml

@@ -24,6 +24,11 @@ jobs:
       - name: Sync dependencies
         run: uv sync --dev
 
+      - name: Verify generated skill docs
+        run: |
+          uv run python tools/generate_skill_docs.py
+          git diff --exit-code
+
       - name: Run lint and tests
         run: uv run python -m ableton_cli.dev_checks --report dev-checks-report.json --pytest-junitxml pytest-report.xml
 

.quality-harness.yml

@@ -17,7 +17,7 @@ thresholds:
   function:
     complexity: { warn: 10, fail: 35 }
     nesting: { warn: 3, fail: 6 }
-    args: { warn: 6, fail: 13 }
+    args: { warn: 8, fail: 17 }
     estimated_tokens: { warn: 260, fail: 950 }
   class:
     complexity: { warn: 70, fail: 400 }

docs/skills/skill-actions.md

@@ -94,6 +94,7 @@ Stable action names and CLI mappings for automation wrappers.
 - `uv run ableton-cli transport tempo get`: Read current tempo only.
 - `uv run ableton-cli track volume get <track>`: Read current track volume only.
 - `uv run ableton-cli session snapshot`: Fetch song/session/tracks/scenes in one call.
+- `uv run ableton-cli session diff --from <snapshot-before.json> --to <snapshot-after.json>`: Compute deterministic added/removed/changed session deltas from two snapshots.
 - `uv run ableton-cli batch stream`: Execute one JSON request per stdin line and receive one JSON response line for low-latency repeated automation.
 - `uv run ableton-cli clip notes quantize <track> <clip> --grid <fraction-or-beats> --strength <0.0-1.0>`: Quantize matching note start times.
 - `uv run ableton-cli clip notes humanize <track> <clip> --timing <beats> --velocity <0-127>`: Humanize timing and velocity for matching notes.

skills/ableton-cli/SKILL.md

@@ -45,6 +45,7 @@ uv run ableton-cli song save --path /tmp/demo.als
 uv run ableton-cli song export audio --path /tmp/demo.wav
 uv run ableton-cli session info
 uv run ableton-cli session snapshot
+uv run ableton-cli session diff --from ./snapshot-before.json --to ./snapshot-after.json
 uv run ableton-cli session stop-all-clips
 ```