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/daemon_event_loop.go

@@ -167,7 +167,7 @@ func runEventDrivenLoop(
 // checkDaemonHealth performs periodic health validation.
 // Separate from sync operations - just validates state.
 func checkDaemonHealth(ctx context.Context, store storage.Storage, log daemonLogger) {
-	// TODO: Add health checks:
+	// TODO(bd-gqo): Add health checks:
 	// - Database integrity check
 	// - Disk space check
 	// - Memory usage check