Add server-side workflows with YAML files, task freeze and lead tools

internal/agents/fork.go

@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"g.fc.run/misc/byre/internal/api"
+	"g.fc.run/misc/byre/internal/store"
 )
 
 func (m *Manager) Fork(ctx context.Context, src api.Task, project api.Project, n int, creator api.User) (api.Task, error) {
@@ -33,6 +34,15 @@ func (m *Manager) Fork(ctx context.Context, src api.Task, project api.Project, n
 		return api.Task{}, fmt.Errorf("%w: snapshot %d of task %s has no recorded agent message at or before it to fork the conversation from", ErrConflict, n, src.Id)
 	}
 
+	var frozen *store.FrozenWorkflow
+	if src.Workflow != nil {
+		f, err := m.store.TaskWorkflow(ctx, src.Id)
+		if err != nil {
+			return api.Task{}, err
+		}
+		frozen = &f
+	}
+
 	t, err := m.createTask(ctx, project, api.Task{
 		Title:      fmt.Sprintf("%s (fork of #%d)", src.Title, n),
 		MergeTitle: src.MergeTitle,
@@ -40,7 +50,7 @@ func (m *Manager) Fork(ctx context.Context, src api.Task, project api.Project, n
 		TodoItem:   src.TodoItem,
 		ForkedFrom: &src.Id,
 		ForkedAt:   &n,
-	}, snap.CommitSha, creator.Login)
+	}, frozen, snap.CommitSha, creator.Login)
 	if err != nil {
 		return api.Task{}, err
 	}