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>

docs/SECURE_MEDIA_ACCESS.md

@@ -192,7 +192,7 @@ suspend fun fetchMedia(mediaUrl: String): ByteArray {
 
 ## Files to Modify
 
-### Go API (myCribAPI-go)
+### Go API (honeyDueAPI-go)
 
 | File | Change |
 |------|--------|
@@ -203,7 +203,7 @@ suspend fun fetchMedia(mediaUrl: String): ByteArray {
 | `/internal/services/document_service.go` | Update to generate proxy URLs |
 | `/internal/services/task_service.go` | Update to generate proxy URLs for completions |
 
-### iOS (MyCribKMM/iosApp)
+### iOS (HoneyDueKMM/iosApp)
 
 | File | Change |
 |------|--------|