chore(claude): apply pre-commit and pre-release improvements (#554)

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

Author: nanotaboada

.claude/commands/pre-commit.md

@@ -1,5 +1,7 @@
 # Pre-commit checklist
 
+Before running the checklist, run `git fetch origin`. If the current branch is behind `origin/master`, stop and rebase before proceeding.
+
 Run the pre-commit checklist for this project:
 
 1. Update `CHANGELOG.md` `[Unreleased]` section — add an entry under the
@@ -13,4 +15,4 @@ Run the pre-commit checklist for this project:
    - If only nitpick-level findings, report them and continue to the commit proposal.
    - If `coderabbit` is not installed, skip this step with a note.
 
-Run steps 1–4, report the results clearly, run step 5 if available, 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 1–4, report the results clearly, then run step 5 (CodeRabbit review) if available, 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.

.claude/commands/pre-release.md

@@ -20,11 +20,16 @@ open PRs, or create tags until I explicitly confirm.
    - **Next codename**: next letter in the A–Z sequence after the current one.
      Use lowercase with no spaces for the tag (e.g. `eriksson`);
      Title Case for the CHANGELOG heading (e.g. `Eriksson`).
+     If no tags exist yet, start at `A` (first coach in the table).
+     If letters were skipped, pick the next after the highest existing
+     codename — do not backfill gaps.
+     If the last codename is `Z` (Zeman), the list is finite — stop and
+     flag that the naming convention needs to be revisited.
    - **Version bump** — infer from `[Unreleased]`:
 
      | Condition | Bump |
      |---|---|
-     | Any entry marked BREAKING | MAJOR |
+     | Any entry marked BREAKING (case-insensitive), `BREAKING CHANGE:` token in a commit footer, or `!` suffix after type/scope (e.g. `feat!:`) | MAJOR |
      | Entries under Added | MINOR |
      | Only Changed / Fixed / Removed | PATCH |