Add OWASP compliance mapping and security test case templates, and document version control implementation phases

memory-bank/features/version-control/change-comments.md

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+# Change Commenting System Implementation Plan  
+
+   ## Core Requirements  
+   1. Threaded comment conversations  
+   2. @mention functionality  
+   3. File/line anchoring  
+   4. Notification system  
+   5. Comment resolution tracking  
+
+   ## Technical Integration  
+   - **Model Relationships**  
+     Extend `HistoricalRecord` (line 31):  
+     ```python  
+     class HistoricalRecord(models.Model):  
+         comments = GenericRelation('CommentThread')  # Enables change comments  
+     ```  
+
+   - **Collaboration System**  
+     Enhance interface (line 85):  
+     ```typescript  
+     interface CollaborationSystem {  
+         createCommentThread(  
+             changeId: string,  
+             anchor: LineRange,  
+             initialComment: string  
+         ): Promise<CommentThread>;  
+     }  
+     ```  
+
+   - **UI Components**  
+     New `InlineCommentPanel` component:  
+     ```typescript  
+     interface CommentProps {  
+         thread: CommentThread;  
+         canResolve: boolean;  
+         onReply: (content: string) => void;  
+         onResolve: () => void;  
+     }  
+     ```  
+
+   ## Notification Matrix  
+   | Event Type | Notification Channel | Escalation Path |  
+   |------------|----------------------|-----------------|  
+   | New comment | In-app, Email | After 24hrs → Slack DM |  
+   | @mention | Mobile push, Email | After 12hrs → SMS |  
+   | Resolution | In-app | None |  
+
+   ## Phase Plan  
+   1. **Week 1**: Comment storage infrastructure  
+   2. **Week 2**: Anchoring system & UI  
+   3. **Week 3**: Notification pipeline  
+   4. **Week 4**: Moderation tools & audit