refactor: update internal command references in all plugin files

Updated:
- projman: 4 commands + 4 skills + integration snippet
- git-flow: 4 commands + 3 skills + integration snippet
- pr-review: 1 command cross-reference
- cmdb-assistant: 1 command + 1 skill
- data-platform: 8 commands + integration snippet
- viz-platform: 11 commands + integration snippet
- contract-validator: 1 command + 1 skill + 1 agent

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

plugins/git-flow/claude-md-integration.md

@@ -40,9 +40,9 @@ Use conventional commits:
 
 | Command | Use Case |
 |---------|----------|
-| `/commit` | Create commit with smart message |
-| `/commit-push` | Commit and push |
-| `/commit-merge` | Commit and merge to base |
+| `/git-commit` | Create commit with smart message |
+| `/git-commit-push` | Commit and push |
+| `/git-commit-merge` | Commit and merge to base |
 | `/branch-start` | Start new branch |
 | `/git-status` | Enhanced status |