feat: remove Todoist integration entirely

Native tasks (native_tasks table) fully replace Todoist. All Todoist
API code, store functions, handlers, routes, templates, and tests have
been removed. Migration 021 drops the now-unused tasks cache table.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 4 insertions, 77 deletions

diff --git a/test/acceptance_test.go b/test/acceptance_test.go
index d4a386b..e1710bd 100644
--- a/test/acceptance_test.go
+++ b/test/acceptance_test.go
@@ -73,7 +73,6 @@ func setupTestServer(t *testing.T) (*httptest.Server, *store.Store, *http.Client
 	_ = authService.EnsureDefaultUser("admin", "password")
 
 	// Create mock API clients
-	todoistClient := api.NewTodoistClient("test_key")
 	trelloClient := api.NewTrelloClient("test_key", "test_token")
 
 	cfg := &config.Config{
@@ -82,7 +81,7 @@ func setupTestServer(t *testing.T) (*httptest.Server, *store.Store, *http.Client
 	}
 
 	// Initialize handlers
-	h := handlers.New(db, todoistClient, trelloClient, nil, nil, nil, nil, cfg, "test", false)
+	h := handlers.New(db, trelloClient, nil, nil, nil, nil, cfg, "test", false)
 
 	// Set up router (same as main.go)
 	r := chi.NewRouter()
@@ -103,7 +102,6 @@ func setupTestServer(t *testing.T) (*httptest.Server, *store.Store, *http.Client
 
 		r.Get("/", h.HandleDashboard)
 		r.Post("/api/refresh", h.HandleRefresh)
-		r.Get("/api/tasks", h.HandleGetTasks)
 		r.Get("/api/meals", h.HandleGetMeals)
 		r.Get("/api/boards", h.HandleGetBoards)
 	})
@@ -139,21 +137,6 @@ func TestFullWorkflow(t *testing.T) {
 	_ = resp.Body.Close()
 
 	// Seed database with test data
-	testTasks := []models.Task{
-		{
-			ID:          "task1",
-			Content:     "Buy groceries",
-			Description: "Milk, eggs, bread",
-			ProjectID:   "proj1",
-			ProjectName: "Personal",
-			Priority:    1,
-			Completed:   false,
-			Labels:      []string{"shopping"},
-			URL:         "https://todoist.com/task/1",
-			CreatedAt:   time.Now(),
-		},
-	}
-
 	testBoards := []models.Board{
 		{
 			ID:   "board1",
@@ -170,41 +153,11 @@ func TestFullWorkflow(t *testing.T) {
 		},
 	}
 
-	if err := db.SaveTasks(testTasks); err != nil {
-		t.Fatalf("Failed to seed tasks: %v", err)
-	}
-
 	if err := db.SaveBoards(testBoards); err != nil {
 		t.Fatalf("Failed to seed boards: %v", err)
 	}
 
-	// Test 1: GET /api/tasks
-	t.Run("GetTasks", func(t *testing.T) {
-		resp, err := client.Get(server.URL + "/api/tasks")
-		if err != nil {
-			t.Fatalf("Failed to get tasks: %v", err)
-		}
-		defer func() { _ = resp.Body.Close() }()
-
-		if resp.StatusCode != http.StatusOK {
-			t.Errorf("Expected status 200, got %d", resp.StatusCode)
-		}
-
-		var tasks []models.Task
-		if err := json.NewDecoder(resp.Body).Decode(&tasks); err != nil {
-			t.Fatalf("Failed to decode tasks: %v", err)
-		}
-
-		if len(tasks) != 1 {
-			t.Errorf("Expected 1 task, got %d", len(tasks))
-		}
-
-		if tasks[0].Content != "Buy groceries" {
-			t.Errorf("Expected task content 'Buy groceries', got '%s'", tasks[0].Content)
-		}
-	})
-
-	// Test 2: GET /api/boards
+	// Test 1: GET /api/boards
 	t.Run("GetBoards", func(t *testing.T) {
 		resp, err := client.Get(server.URL + "/api/boards")
 		if err != nil {
@@ -285,39 +238,13 @@ func TestFullWorkflow(t *testing.T) {
 
 // TestCaching tests the caching behavior
 func TestCaching(t *testing.T) {
-	server, db, client, cleanup := setupTestServer(t)
+	server, _, client, cleanup := setupTestServer(t)
 	defer cleanup()
 
 	// Login
 	_, _ = client.Get(server.URL + "/test/login")
 
-	// Seed initial data
-	testTasks := []models.Task{
-		{
-			ID:      "task1",
-			Content: "Initial task",
-		},
-	}
-	_ = db.SaveTasks(testTasks)
-	_ = db.UpdateCacheMetadata("todoist_tasks", 5)
-
-	// Test 1: First request should use cache
-	t.Run("UsesCache", func(t *testing.T) {
-		resp, err := client.Get(server.URL + "/api/tasks")
-		if err != nil {
-			t.Fatalf("Failed to get tasks: %v", err)
-		}
-		defer func() { _ = resp.Body.Close() }()
-
-		var tasks []models.Task
-		_ = json.NewDecoder(resp.Body).Decode(&tasks)
-
-		if len(tasks) != 1 {
-			t.Errorf("Expected 1 task from cache, got %d", len(tasks))
-		}
-	})
-
-	// Test 2: Refresh should invalidate cache
+	// Test: Refresh should invalidate cache
 	t.Run("RefreshInvalidatesCache", func(t *testing.T) {
 		// Force refresh
 		resp, err := client.Post(server.URL+"/api/refresh", "application/json", nil)