Rebrand from Casera/MyCrib to honeyDue

Total rebrand across all Go API source files:
- Go module path: casera-api -> honeydue-api
- All imports updated (130+ files)
- Docker: containers, images, networks renamed
- Email templates: support email, noreply, icon URL
- Domains: casera.app/mycrib.treytartt.com -> honeyDue.treytartt.com
- Bundle IDs: com.tt.casera -> com.tt.honeyDue
- IAP product IDs updated
- Landing page, admin panel, config defaults
- Seeds, CI workflows, Makefile, docs
- Database table names preserved (no migration needed)

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

internal/task/scopes/scopes_test.go

@@ -9,9 +9,9 @@ import (
 	"gorm.io/gorm"
 	"gorm.io/gorm/logger"
 
-	"github.com/treytartt/casera-api/internal/models"
-	"github.com/treytartt/casera-api/internal/task/predicates"
-	"github.com/treytartt/casera-api/internal/task/scopes"
+	"github.com/treytartt/honeydue-api/internal/models"
+	"github.com/treytartt/honeydue-api/internal/task/predicates"
+	"github.com/treytartt/honeydue-api/internal/task/scopes"
 )
 
 // testDB holds the database connection for integration tests
@@ -22,7 +22,7 @@ func TestMain(m *testing.M) {
 	// Get database URL from environment or use default
 	dsn := os.Getenv("TEST_DATABASE_URL")
 	if dsn == "" {
-		dsn = "host=localhost user=postgres password=postgres dbname=mycrib_test port=5432 sslmode=disable"
+		dsn = "host=localhost user=postgres password=postgres dbname=honeydue_test port=5432 sslmode=disable"
 	}
 
 	var err error