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/viz-platform/commands/viz-breakpoints.md

@@ -2,7 +2,7 @@
 description: Configure responsive breakpoints for dashboard layouts
 ---
 
-# Configure Breakpoints
+# Viz Breakpoints
 
 ## Skills to Load
 - skills/mcp-tools-reference.md
@@ -21,7 +21,7 @@ Configure responsive breakpoints for mobile-first design across screen sizes.
 ## Usage
 
 ```
-/breakpoints {layout_ref}
+/viz-breakpoints {layout_ref}
 ```
 
 ## Arguments
@@ -30,7 +30,7 @@ Configure responsive breakpoints for mobile-first design across screen sizes.
 
 ## Workflow
 
-1. **User invokes**: `/breakpoints my-dashboard`
+1. **User invokes**: `/viz-breakpoints my-dashboard`
 2. **Agent asks**: Which breakpoints to customize? (shows current settings)
 3. **Agent asks**: Mobile column count? (xs, typically 1-2)
 4. **Agent asks**: Tablet column count? (md, typically 4-6)
@@ -39,5 +39,5 @@ Configure responsive breakpoints for mobile-first design across screen sizes.
 
 ## Related Commands
 
-- `/dashboard {template}` - Create layout with default breakpoints
-- `/theme {name}` - Theme includes default spacing values
+- `/viz-dashboard {template}` - Create layout with default breakpoints
+- `/viz-theme {name}` - Theme includes default spacing values