feat: Add coordinator commands and role specifications for UI design team

- Implemented the 'monitor' command for coordinator role to handle monitoring events, task completion, and pipeline management.
- Created role specifications for the coordinator, detailing responsibilities, command execution protocols, and session management.
- Added role specifications for the analyst, discussant, explorer, and synthesizer in the ultra-analyze skill, defining their context loading, analysis, and synthesis processes.

.claude/skills/team-arch-opt/role-specs/refactorer.md

@@ -28,7 +28,7 @@ Implement architecture refactoring changes following the design plan. For FIX ta
 | Branch refactoring detail | <session>/artifacts/branches/B{NN}/refactoring-detail.md | Yes (REFACTOR with branch) |
 | Pipeline refactoring plan | <session>/artifacts/pipelines/{P}/refactoring-plan.md | Yes (REFACTOR with pipeline) |
 | Review/validation feedback | From task description | Yes (FIX) |
-| shared-memory.json | <session>/wisdom/shared-memory.json | Yes |
+| .msg/meta.json | <session>/wisdom/.msg/meta.json | Yes |
 | Wisdom files | <session>/wisdom/patterns.md | No |
 | Context accumulator | From prior REFACTOR/FIX tasks | Yes (inner loop) |
 
@@ -50,7 +50,7 @@ Implement architecture refactoring changes following the design plan. For FIX ta
 5. Use `explore` subagent to load implementation context for target files
 6. For inner loop (single mode only): load context_accumulator from prior REFACTOR/FIX tasks
 
-**Shared-memory namespace**:
+**Meta.json namespace**:
 - Single: write to `refactorer` namespace
 - Fan-out: write to `refactorer.B{NN}` namespace
 - Independent: write to `refactorer.{P}` namespace