Switch to prefixed IDs and tell agents which Mac a message came from

internal/agents/fork.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"g.fc.run/ai/byre/internal/api"
+	"g.fc.run/ai/byre/internal/ids"
 	"g.fc.run/ai/byre/internal/mcp"
 	"g.fc.run/ai/byre/internal/store"
 )
@@ -73,7 +74,7 @@ func (m *Manager) forkTool(l *live) mcp.Tool {
 			if err != nil {
 				return "", err
 			}
-			_, _, err = m.Message(ctx, sessionID, agentActor, args.Prompt, "", "")
+			_, _, err = m.Message(ctx, sessionID, agentActor, args.Prompt, "", "", "")
 			if err != nil {
 				return "", fmt.Errorf("task %s forked, but its agent did not start: %w", t.Id, err)
 			}
@@ -121,7 +122,7 @@ func (m *Manager) AnswerAgain(ctx context.Context, creator api.User, create api.
 		return api.Task{}, err
 	}
 
-	id := store.NewID()
+	id := ids.New(ids.InboxItem)
 	err = m.store.CreateAnsweredItem(ctx, api.InboxItem{
 		Id:             id,
 		ProjectId:      t.ProjectId,
@@ -196,13 +197,13 @@ func (m *Manager) fork(ctx context.Context, src api.Task, project api.Project, n
 		return api.Task{}, "", err
 	}
 
-	id := newUUID()
+	id := ids.New(ids.Session)
 	err = m.store.CreateSession(ctx, api.AgentSession{
 		Id:              id,
 		TaskId:          t.Id,
 		Vendor:          srcSess.Vendor,
 		Model:           srcSess.Model,
-		VendorSessionId: initialVendorSessionID(srcSess.Vendor, id),
+		VendorSessionId: initialVendorSessionID(srcSess.Vendor),
 		State:           api.AgentSessionStateIdle,
 		Role:            api.Implementer,
 		CreatedBy:       creator.Login,