bd-154: Implement bd daemons stop and restart subcommands

internal/rpc/client.go

@@ -209,6 +209,12 @@ func (c *Client) Health() (*HealthResponse, error) {
 	return &health, nil
 }
 
+// Shutdown sends a graceful shutdown request to the daemon
+func (c *Client) Shutdown() error {
+	_, err := c.Execute(OpShutdown, nil)
+	return err
+}
+
 // Metrics retrieves daemon metrics
 func (c *Client) Metrics() (*MetricsSnapshot, error) {
 	resp, err := c.Execute(OpMetrics, nil)

internal/rpc/protocol.go

@@ -31,6 +31,7 @@ const (
 	OpExport          = "export"
 	OpImport          = "import"
 	OpEpicStatus      = "epic_status"
+	OpShutdown        = "shutdown"
 )
 
 // Request represents an RPC request from client to daemon

internal/rpc/server.go

@@ -688,6 +688,8 @@ func (s *Server) handleRequest(req *Request) Response {
 		resp = s.handleImport(req)
 	case OpEpicStatus:
 		resp = s.handleEpicStatus(req)
+	case OpShutdown:
+		resp = s.handleShutdown(req)
 	default:
 		s.metrics.RecordError(req.Operation)
 		return Response{
@@ -2093,6 +2095,21 @@ func (s *Server) handleEpicStatus(req *Request) Response {
 	}
 }
 
+func (s *Server) handleShutdown(_ *Request) Response {
+	// Schedule shutdown in a goroutine so we can return a response first
+	go func() {
+		time.Sleep(100 * time.Millisecond) // Give time for response to be sent
+		if err := s.Stop(); err != nil {
+			fmt.Fprintf(os.Stderr, "Error during shutdown: %v\n", err)
+		}
+	}()
+
+	return Response{
+		Success: true,
+		Data:    json.RawMessage(`{"message":"Daemon shutting down"}`),
+	}
+}
+
 // GetLastImportTime returns the last JSONL import timestamp
 func (s *Server) GetLastImportTime() time.Time {
 	s.importMu.RLock()