docs(iit): Add QC system UI and LLM format optimization plan

- Add development plan: 07-QC system UI and LLM format optimization

- Phase 1: PromptBuilder + XML clinical slice format (~5.5h)

- Phase 2: QC cockpit + stat cards + risk heatmap (~9.5h)

- Phase 3: Variable tagging system (~5h)

- Add CRA Agent design document and prototype

- Update module status: design 100%, code 45%

- Update system status: real-time QC complete + plan ready

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend-v2/src/modules/aia/styles/chat-workspace.css

@@ -989,9 +989,7 @@
   font-size: 1.2em;
 }.message-bubble .markdown-content h3 {
   font-size: 1.1em;
-}
-
-.message-bubble .markdown-content ul,
+}.message-bubble .markdown-content ul,
 .message-bubble .markdown-content ol {
   margin: 8px 0 12px 0;
   padding-left: 24px;
@@ -1028,4 +1026,4 @@
   border-radius: 4px;
   font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
   font-size: 0.9em;
-}
+}