feat: Add issue IDs to TODO comments

Updated TODO comments with proper beads issue IDs:
- bd-hdt: Implement auto-merge functionality
- bd-gqo: Implement daemon health checks
- bd-r46: Support --reason flag in daemon mode for reopen

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

cmd/bd/duplicates.go

@@ -92,7 +92,7 @@ Example:
 			
 			if autoMerge || dryRun {
 				if !dryRun {
-					// TODO: Call performMerge when implemented
+					// TODO(bd-hdt): Call performMerge when implemented
 					fmt.Fprintf(os.Stderr, "Auto-merge not yet fully implemented. Use suggested commands instead.\n")
 				}
 			}