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/commands/git-commit-sync.md

@@ -1,10 +1,10 @@
 ---
-name: commit-sync
+name: git-commit-sync
 description: Commit, push, and sync with base branch
 agent: git-assistant
 ---
 
-# /commit-sync - Commit, Push, and Sync
+# /git-commit-sync - Commit, Push, and Sync
 
 ## Skills
 
@@ -28,7 +28,7 @@ Full sync operation: commit local changes, push to remote, sync with upstream/ba
 ## Workflow
 
 1. **Display header** - Show GIT-FLOW Commit Sync header
-2. **Run /commit** - Execute standard commit workflow
+2. **Run /git-commit** - Execute standard commit workflow
 3. **Push to remote** - Push committed changes
 4. **Fetch with prune** - `git fetch --all --prune`
 5. **Sync with base** - Rebase on base branch (per sync-workflow.md)