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, 2 insertions, 23 deletions

diff --git a/internal/handlers/settings.go b/internal/handlers/settings.go
index 32e0215..dc345db 100644
--- a/internal/handlers/settings.go
+++ b/internal/handlers/settings.go
@@ -34,7 +34,7 @@ func (h *Handler) HandleSettingsPage(w http.ResponseWriter, r *http.Request) {
 		WebAuthnEnabled bool
 	}{
 		Configs:         bySource,
-		Sources:         []string{"trello", "todoist", "gcal", "gtasks"},
+		Sources:         []string{"trello", "gcal", "gtasks"},
 		Toggles:         toggles,
 		SyncLog:         syncLog,
 		Agents:          agents,
@@ -68,20 +68,6 @@ func (h *Handler) HandleSyncSources(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	// Sync Todoist projects from cached tasks (avoids deprecated REST API)
-	if projects, err := h.store.GetProjectsFromTasks(); err == nil && len(projects) > 0 {
-		var items []models.SourceConfig
-		for _, p := range projects {
-			items = append(items, models.SourceConfig{
-				Source:   "todoist",
-				ItemType: "project",
-				ItemID:   p.ID,
-				ItemName: p.Name,
-			})
-		}
-		_ = h.store.SyncSourceConfigs("todoist", "project", items)
-	}
-
 	// Sync Google Calendar calendars
 	if h.googleCalendarClient != nil {
 		calendars, err := h.googleCalendarClient.GetCalendarList(ctx)
@@ -122,18 +108,13 @@ func (h *Handler) HandleSyncSources(w http.ResponseWriter, r *http.Request) {
 	h.HandleSettingsPage(w, r)
 }
 
-// HandleClearCache invalidates all caches and clears the Todoist sync token
+// HandleClearCache invalidates all caches
 func (h *Handler) HandleClearCache(w http.ResponseWriter, r *http.Request) {
 	if err := h.store.InvalidateAllCaches(); err != nil {
 		JSONError(w, http.StatusInternalServerError, "Failed to clear cache", err)
 		return
 	}
 
-	if err := h.store.ClearSyncToken("todoist"); err != nil {
-		JSONError(w, http.StatusInternalServerError, "Failed to clear sync token", err)
-		return
-	}
-
 	_ = h.store.AddSyncLogEntry("cache_clear", "Cache cleared — next load fetches fresh data")
 
 	syncLog, _ := h.store.GetRecentSyncLog(20)
@@ -167,8 +148,6 @@ func (h *Handler) HandleToggleSourceConfig(w http.ResponseWriter, r *http.Reques
 	switch source {
 	case "trello":
 		_ = h.store.InvalidateCache("trello_boards")
-	case "todoist":
-		_ = h.store.InvalidateCache("todoist_tasks")
 	}
 
 	w.Header().Set("Content-Type", "application/json")