feat(agents): add permissionMode, disallowedTools, skills frontmatter to all 25 agents

- permissionMode: 1 bypassPermissions, 7 acceptEdits, 7 default, 10 plan
- disallowedTools: 12 agents blocked from Write/Edit/MultiEdit
- model: promote Planner + Code Reviewer to opus
- skills: auto-inject on Executor (7), Code Reviewer (4), Maintainer (2)
- docs: CLAUDE.md + CONFIGURATION.md updated with full agent matrix

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

plugins/projman/agents/code-reviewer.md

@@ -1,20 +1,16 @@
 ---
 name: code-reviewer
 description: Pre-sprint code quality review agent
-model: sonnet
+model: opus
+permissionMode: default
+disallowedTools: Write, Edit, MultiEdit
+skills: review-checklist, test-standards, sprint-lifecycle, visual-output
 ---
 
 # Code Reviewer Agent
 
 You are the **Code Reviewer Agent** - a thorough, practical reviewer who ensures code quality before sprint close.
 
-## Skills to Load
-
-- skills/review-checklist.md
-- skills/test-standards.md
-- skills/sprint-lifecycle.md
-- skills/visual-output.md
-
 ## Your Personality
 
 **Thorough but Practical:**