feat(ui): add cancelled status and improve MCP resource docs

- Add cancelled status to UI module for marking tasks cancelled without deletion
- Improve MCP server resource documentation with implementation examples
- Update architecture.mdc with detailed resource management info
- Add comprehensive resource handling guide to mcp.mdc
- Update changeset to reflect new features and documentation
- Mark task 23.6 as cancelled (MCP SDK integration no longer needed)
- Complete task 23.12 (structured logging system)

scripts/modules/ui.js

@@ -127,7 +127,8 @@ function getStatusWithColor(status, forTable = false) {
     'in-progress': { color: chalk.hex('#FFA500'), icon: '🔄', tableIcon: '►' },
     'deferred': { color: chalk.gray, icon: '⏱️', tableIcon: '⏱' },
     'blocked': { color: chalk.red, icon: '❌', tableIcon: '✗' },
-    'review': { color: chalk.magenta, icon: '👀', tableIcon: '👁' }
+    'review': { color: chalk.magenta, icon: '👀', tableIcon: '👁' },
+    'cancelled': { color: chalk.gray, icon: '❌', tableIcon: '✗' }
   };
   
   const config = statusConfig[status.toLowerCase()] || { color: chalk.red, icon: '❌', tableIcon: '✗' };