Rewrite swarm tests to use beads-backed API (gt-kc7yj.4)

- Add LoadSwarm method for loading swarms from beads
- Rewrite tests to use LoadSwarm, GetSwarm, GetReadyTasks, IsComplete
- Remove tests for deprecated Create, Start, UpdateState methods
- Keep E2E lifecycle documentation test

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

internal/swarm/manager_test.go

@@ -6,183 +6,60 @@ import (
 	"github.com/steveyegge/gastown/internal/rig"
 )
 
-func TestManagerCreate(t *testing.T) {
+// TestLoadSwarmNotFound tests that LoadSwarm returns error for missing epic.
+func TestLoadSwarmNotFound(t *testing.T) {
 	r := &rig.Rig{
 		Name: "test-rig",
 		Path: "/tmp/test-rig",
 	}
 	m := NewManager(r)
 
-	swarm, err := m.Create("epic-1", []string{"Toast", "Nux"}, "main")
+	// LoadSwarm for non-existent epic should fail (no beads available)
-	if err != nil {
+	_, err := m.LoadSwarm("nonexistent-epic")
-		t.Fatalf("Create failed: %v", err)
+	if err == nil {
-	}
+		t.Error("LoadSwarm should fail for non-existent epic")
-
-	if swarm.ID != "epic-1" {
-		t.Errorf("ID = %q, want %q", swarm.ID, "epic-1")
-	}
-	if swarm.State != SwarmCreated {
-		t.Errorf("State = %q, want %q", swarm.State, SwarmCreated)
-	}
-	if len(swarm.Workers) != 2 {
-		t.Errorf("Workers = %d, want 2", len(swarm.Workers))
 	}
 }
 
-func TestManagerCreateDuplicate(t *testing.T) {
+// TestGetSwarmNotFound tests that GetSwarm returns error for missing swarm.
+func TestGetSwarmNotFound(t *testing.T) {
 	r := &rig.Rig{
 		Name: "test-rig",
 		Path: "/tmp/test-rig",
 	}
 	m := NewManager(r)
 
-	_, err := m.Create("epic-1", []string{"Toast"}, "main")
+	_, err := m.GetSwarm("nonexistent")
-	if err != nil {
+	if err == nil {
-		t.Fatalf("First Create failed: %v", err)
+		t.Error("GetSwarm for nonexistent should return error")
-	}
-
-	_, err = m.Create("epic-1", []string{"Nux"}, "main")
-	if err != ErrSwarmExists {
-		t.Errorf("Create duplicate = %v, want ErrSwarmExists", err)
 	}
 }
 
-func TestManagerStateTransitions(t *testing.T) {
+// TestGetReadyTasksNotFound tests that GetReadyTasks returns error for missing swarm.
+func TestGetReadyTasksNotFound(t *testing.T) {
 	r := &rig.Rig{
 		Name: "test-rig",
 		Path: "/tmp/test-rig",
 	}
 	m := NewManager(r)
 
-	swarm, _ := m.Create("epic-1", []string{"Toast"}, "main")
+	_, err := m.GetReadyTasks("nonexistent")
-
+	if err != ErrSwarmNotFound {
-	// Start
+		t.Errorf("GetReadyTasks = %v, want ErrSwarmNotFound", err)
-	if err := m.Start(swarm.ID); err != nil {
-		t.Errorf("Start failed: %v", err)
-	}
-	s, _ := m.GetSwarm(swarm.ID)
-	if s.State != SwarmActive {
-		t.Errorf("State after Start = %q, want %q", s.State, SwarmActive)
-	}
-
-	// Can't start again
-	if err := m.Start(swarm.ID); err == nil {
-		t.Error("Start from Active should fail")
-	}
-
-	// Transition to Merging
-	if err := m.UpdateState(swarm.ID, SwarmMerging); err != nil {
-		t.Errorf("UpdateState to Merging failed: %v", err)
-	}
-
-	// Transition to Landed
-	if err := m.UpdateState(swarm.ID, SwarmLanded); err != nil {
-		t.Errorf("UpdateState to Landed failed: %v", err)
-	}
-
-	// Can't transition from terminal
-	if err := m.UpdateState(swarm.ID, SwarmActive); err == nil {
-		t.Error("UpdateState from Landed should fail")
 	}
 }
 
-func TestManagerCancel(t *testing.T) {
+// TestIsCompleteNotFound tests that IsComplete returns error for missing swarm.
+func TestIsCompleteNotFound(t *testing.T) {
 	r := &rig.Rig{
 		Name: "test-rig",
 		Path: "/tmp/test-rig",
 	}
 	m := NewManager(r)
 
-	swarm, _ := m.Create("epic-1", []string{"Toast"}, "main")
+	_, err := m.IsComplete("nonexistent")
-	_ = m.Start(swarm.ID)
+	if err != ErrSwarmNotFound {
-
+		t.Errorf("IsComplete = %v, want ErrSwarmNotFound", err)
-	if err := m.Cancel(swarm.ID, "user requested"); err != nil {
-		t.Errorf("Cancel failed: %v", err)
-	}
-
-	s, _ := m.GetSwarm(swarm.ID)
-	if s.State != SwarmCancelled {
-		t.Errorf("State after Cancel = %q, want %q", s.State, SwarmCancelled)
-	}
-	if s.Error != "user requested" {
-		t.Errorf("Error = %q, want %q", s.Error, "user requested")
-	}
-}
-
-func TestManagerTaskOperations(t *testing.T) {
-	r := &rig.Rig{
-		Name: "test-rig",
-		Path: "/tmp/test-rig",
-	}
-	m := NewManager(r)
-
-	swarm, _ := m.Create("epic-1", []string{"Toast"}, "main")
-
-	// Manually add tasks (normally loaded from beads)
-	swarm.Tasks = []SwarmTask{
-		{IssueID: "task-1", Title: "Task 1", State: TaskPending},
-		{IssueID: "task-2", Title: "Task 2", State: TaskPending},
-	}
-
-	// Get ready tasks
-	ready, err := m.GetReadyTasks(swarm.ID)
-	if err != nil {
-		t.Errorf("GetReadyTasks failed: %v", err)
-	}
-	if len(ready) != 2 {
-		t.Errorf("GetReadyTasks = %d, want 2", len(ready))
-	}
-
-	// Assign task
-	if err := m.AssignTask(swarm.ID, "task-1", "Toast"); err != nil {
-		t.Errorf("AssignTask failed: %v", err)
-	}
-
-	// Check assignment
-	s, _ := m.GetSwarm(swarm.ID)
-	if s.Tasks[0].Assignee != "Toast" {
-		t.Errorf("Assignee = %q, want %q", s.Tasks[0].Assignee, "Toast")
-	}
-	if s.Tasks[0].State != TaskAssigned {
-		t.Errorf("State = %q, want %q", s.Tasks[0].State, TaskAssigned)
-	}
-
-	// Update state
-	if err := m.UpdateTaskState(swarm.ID, "task-1", TaskMerged); err != nil {
-		t.Errorf("UpdateTaskState failed: %v", err)
-	}
-	s, _ = m.GetSwarm(swarm.ID)
-	if s.Tasks[0].State != TaskMerged {
-		t.Errorf("State = %q, want %q", s.Tasks[0].State, TaskMerged)
-	}
-	if s.Tasks[0].MergedAt == nil {
-		t.Error("MergedAt should be set")
-	}
-}
-
-func TestManagerIsComplete(t *testing.T) {
-	r := &rig.Rig{
-		Name: "test-rig",
-		Path: "/tmp/test-rig",
-	}
-	m := NewManager(r)
-
-	swarm, _ := m.Create("epic-1", []string{"Toast"}, "main")
-	swarm.Tasks = []SwarmTask{
-		{IssueID: "task-1", State: TaskPending},
-		{IssueID: "task-2", State: TaskMerged},
-	}
-
-	complete, _ := m.IsComplete(swarm.ID)
-	if complete {
-		t.Error("IsComplete should be false with pending task")
-	}
-
-	// Complete the pending task
-	_ = m.UpdateTaskState(swarm.ID, "task-1", TaskMerged)
-	complete, _ = m.IsComplete(swarm.ID)
-	if !complete {
-		t.Error("IsComplete should be true when all tasks merged")
 	}
 }