feat(process): add process get core task

actions.go

@@ -39,6 +39,16 @@ type TaskProcessKill struct {
 	PID int
 }
 
+// TaskProcessGet requests a snapshot of a managed process through Core.PERFORM.
+//
+// Example:
+//
+//	c.PERFORM(process.TaskProcessGet{ID: "proc-1"})
+type TaskProcessGet struct {
+	// ID identifies a managed process started by this service.
+	ID string
+}
+
 // TaskProcessList requests a snapshot of managed processes through Core.PERFORM.
 // If RunningOnly is true, only active processes are returned.
 //

service.go

@@ -586,6 +586,17 @@ func (s *Service) handleTask(c *core.Core, task core.Task) core.Result {
 		default:
 			return core.Result{Value: coreerr.E("Service.handleTask", "task process kill requires an id or pid", nil), OK: false}
 		}
+	case TaskProcessGet:
+		if m.ID == "" {
+			return core.Result{Value: coreerr.E("Service.handleTask", "task process get requires an id", nil), OK: false}
+		}
+
+		proc, err := s.Get(m.ID)
+		if err != nil {
+			return core.Result{Value: err, OK: false}
+		}
+
+		return core.Result{Value: proc.Info(), OK: true}
 	case TaskProcessList:
 		procs := s.List()
 		if m.RunningOnly {

service_test.go

@@ -685,6 +685,29 @@ func TestService_OnStartup(t *testing.T) {
 		cancel()
 		<-proc.Done()
 	})
+
+	t.Run("registers process.get task", func(t *testing.T) {
+		svc, c := newTestService(t)
+
+		err := svc.OnStartup(context.Background())
+		require.NoError(t, err)
+
+		proc, err := svc.Start(context.Background(), "echo", "snapshot")
+		require.NoError(t, err)
+		<-proc.Done()
+
+		result := c.PERFORM(TaskProcessGet{ID: proc.ID})
+		require.True(t, result.OK)
+
+		info, ok := result.Value.(Info)
+		require.True(t, ok)
+		assert.Equal(t, proc.ID, info.ID)
+		assert.Equal(t, proc.Command, info.Command)
+		assert.Equal(t, proc.Args, info.Args)
+		assert.Equal(t, proc.Status, info.Status)
+		assert.Equal(t, proc.ExitCode, info.ExitCode)
+		assert.Equal(t, proc.Info().PID, info.PID)
+	})
 }
 
 func TestService_RunWithOptions(t *testing.T) {