chore(claude): fix coverage threshold and pre-release steps (#554)

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

Author: nanotaboada

.claude/commands/pre-commit.md

@@ -7,7 +7,7 @@ Run the pre-commit checklist for this project:
    changes made, referencing the issue number.
 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 --cov=./ --cov-report=term` — all tests must pass, coverage must be ≥80%.
+4. Run `uv run pytest --cov=./ --cov-report=term --cov-fail-under=80` — all tests must pass, coverage must be ≥80%.
 5. If `coderabbit` CLI is installed, run `coderabbit review --type uncommitted --prompt-only`:
    - If actionable/serious findings are reported, stop and address them before proposing the commit.
    - If only nitpick-level findings, report them and continue to the commit proposal.

.claude/commands/pre-release.md

@@ -63,9 +63,9 @@ open PRs, or create tags until I explicitly confirm.
 
 5. **Propose commit**: `docs(changelog): release vX.Y.Z Codename`
 
-6. **After confirmation**: commit. Then run steps 2–4 of `/pre-commit` (linting,
-   formatting, tests — the CHANGELOG step is already handled). Push the branch
-   and open a PR into `master` only once all checks pass.
+6. **After confirmation**: commit. Then run steps 2–5 of `/pre-commit` (linting,
+   formatting, tests, CodeRabbit review — the CHANGELOG step is already handled).
+   Push the branch and open a PR into `master` only once all checks pass.
 
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