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/projman/commands/pm-debug.md

@@ -2,7 +2,7 @@
 description: Diagnose issues and create reports, or investigate existing diagnostic issues
 ---
 
-# Debug
+# PM Debug
 
 ## Skills Required
 
@@ -17,9 +17,9 @@ Unified debugging command for diagnostics and issue investigation.
 ## Invocation
 
 ```
-/debug              # Ask which mode
-/debug report       # Run diagnostics, create issue
-/debug review       # Investigate existing issues
+/pm-debug              # Ask which mode
+/pm-debug report       # Run diagnostics, create issue
+/pm-debug review       # Investigate existing issues
 ```
 
 ## Mode Selection