chore(claude): fix precommit command and stale comment

- Remove redundant pytest step; coverage run executes tests
- Update github.copilot unwanted comment to reflect current state

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: nanotaboada

.claude/commands/precommit.md

@@ -3,7 +3,6 @@ Run the pre-commit checklist for this project:
 1. Remind me to update `CHANGELOG.md` `[Unreleased]` section (Added / Changed / Fixed / Removed) — I must do this manually.
 2. Run `uv run flake8 .` — must pass.
 3. Run `uv run black --check .` — must pass (run `uv run black .` to auto-fix).
-4. Run `uv run pytest` — all tests must pass.
-5. Run `uv run pytest --cov=./ --cov-report=term` — coverage must be ≥80%.
+4. Run `uv run pytest --cov=./ --cov-report=term` — all tests must pass, coverage must be ≥80%.
 
-Run steps 2–5, report the results clearly, then propose a branch name and commit message for my approval using the format `type(scope): description (#issue)` (max 80 chars; types: `feat` `fix` `chore` `docs` `test` `refactor` `ci` `perf`). Do not create the branch or commit until I explicitly confirm.
+Run steps 2–4, report the results clearly, then propose a branch name and commit message for my approval using the format `type(scope): description (#issue)` (max 80 chars; types: `feat` `fix` `chore` `docs` `test` `refactor` `ci` `perf`). Do not create the branch or commit until I explicitly confirm.

.vscode/extensions.json

@@ -46,6 +46,6 @@
   "unwantedRecommendations": [
     "ms-azuretools.vscode-docker",       // Docker (legacy) - Use vscode-containers instead
     "docker.docker",                     // Docker DX - Use ms-azuretools.vscode-containers
-    "github.copilot"                     // Copilot (base) - Unified into copilot-chat
+    "github.copilot"                     // GitHub Copilot - legacy base extension
   ]
 }