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/contract-validator/agents/full-validation.md

@@ -100,5 +100,5 @@ You are a contract validation specialist. Your role is to perform comprehensive
 2. Parses all README.md files
 3. Runs 66 pairwise compatibility checks
 4. Finds 3 errors, 4 warnings
-5. Reports: "Command conflict: projman and data-platform both define /initial-setup"
+5. Reports: "Command conflict: pluginA and pluginB both define /setup"
 6. Suggests: "Rename one command to avoid ambiguity"

plugins/contract-validator/commands/cv-setup.md

@@ -2,7 +2,7 @@
 description: Interactive setup wizard for contract-validator plugin
 ---
 
-# /initial-setup - Contract-Validator Setup Wizard
+# /cv-setup - Contract Validator Setup Wizard
 
 ## Skills to Load
 - skills/visual-output.md

plugins/contract-validator/skills/mcp-tools-reference.md

@@ -65,6 +65,6 @@ Available MCP tools for contract-validator operations.
 ## Error Handling
 
 If MCP tools fail:
-1. Check if `/initial-setup` has been run
+1. Check if `/cv-setup` has been run
 2. Verify session was restarted after setup
 3. Check MCP server venv exists and is valid