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, 11 insertions, 15 deletions

diff --git a/internal/handlers/agent_test.go b/internal/handlers/agent_test.go
index eab1609..2893a13 100644
--- a/internal/handlers/agent_test.go
+++ b/internal/handlers/agent_test.go
@@ -746,13 +746,11 @@ func TestHandleAgentTaskWriteOperations(t *testing.T) {
 	defer cleanup()
 
 	// Mock clients
-	mockTodoist := &mockTodoistClient{}
 	mockTrello := &mockTrelloClient{}
 	h := &Handler{
-		store:         db,
-		todoistClient: mockTodoist,
-		trelloClient:  mockTrello,
-		config:        &config.Config{},
+		store:        db,
+		trelloClient: mockTrello,
+		config:       &config.Config{},
 	}
 
 	// Create an approved session
@@ -766,11 +764,11 @@ func TestHandleAgentTaskWriteOperations(t *testing.T) {
 	db.CreateAgentSession(session)
 	db.ApproveAgentSession("write-request-token", sessionToken, time.Now().Add(1*time.Hour))
 
-	// Pre-populate store with a task to get details during completion
-	db.SaveTasks([]models.Task{{ID: "task123", Content: "Test Task"}})
+	// Pre-populate store with a native task
+	_ = db.CreateNativeTask(models.Task{ID: "task123", Content: "Test Task"})
 
 	t.Run("complete task", func(t *testing.T) {
-		req := httptest.NewRequest(http.MethodPost, "/agent/tasks/task123/complete?source=todoist", nil)
+		req := httptest.NewRequest(http.MethodPost, "/agent/tasks/task123/complete?source=doot", nil)
 		w := httptest.NewRecorder()
 
 		// Manually inject session into context as middleware would
@@ -804,7 +802,7 @@ func TestHandleAgentTaskWriteOperations(t *testing.T) {
 	t.Run("update due date", func(t *testing.T) {
 		due := time.Now().Add(24 * time.Hour)
 		body, _ := json.Marshal(map[string]*time.Time{"due": &due})
-		req := httptest.NewRequest(http.MethodPatch, "/agent/tasks/task123/due?source=todoist", bytes.NewReader(body))
+		req := httptest.NewRequest(http.MethodPatch, "/agent/tasks/task123/due?source=doot", bytes.NewReader(body))
 		w := httptest.NewRecorder()
 
 		rctx := chi.NewRouteContext()
@@ -820,7 +818,7 @@ func TestHandleAgentTaskWriteOperations(t *testing.T) {
 
 	t.Run("update task details", func(t *testing.T) {
 		body, _ := json.Marshal(map[string]string{"title": "Updated Title", "description": "New Desc"})
-		req := httptest.NewRequest(http.MethodPatch, "/agent/tasks/task123?source=todoist", bytes.NewReader(body))
+		req := httptest.NewRequest(http.MethodPatch, "/agent/tasks/task123?source=doot", bytes.NewReader(body))
 		w := httptest.NewRecorder()
 
 		rctx := chi.NewRouteContext()
@@ -839,17 +837,15 @@ func TestHandleAgentCreateOperations(t *testing.T) {
 	db, cleanup := setupTestDB(t)
 	defer cleanup()
 
-	mockTodoist := &mockTodoistClient{}
 	h := &Handler{
-		store:         db,
-		todoistClient: mockTodoist,
-		config:        &config.Config{},
+		store:  db,
+		config: &config.Config{},
 	}
 
 	t.Run("create task", func(t *testing.T) {
 		body, _ := json.Marshal(map[string]string{
 			"title":  "New Agent Task",
-			"source": "todoist",
+			"source": "doot",
 		})
 		req := httptest.NewRequest(http.MethodPost, "/agent/tasks", bytes.NewReader(body))
 		w := httptest.NewRecorder()