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>

CLAUDE.md

@@ -40,7 +40,7 @@ This document contains:
 **Quick reference:**
 ```go
 // Use these - DON'T write inline task logic
-import "github.com/treytartt/casera-api/internal/task"
+import "github.com/treytartt/honeydue-api/internal/task"
 
 task.IsCompleted(t)           // Check if task is completed
 task.IsOverdue(t, now)        // Check if task is overdue
@@ -50,7 +50,7 @@ task.CategorizeTask(t, 30)    // Get kanban column for task
 
 ## Project Overview
 
-Casera API is a Go REST API for the MyCrib/Casera property management platform. It provides backend services for iOS and Android mobile apps built with Kotlin Multiplatform.
+honeyDue API is a Go REST API for the HoneyDue/honeyDue property management platform. It provides backend services for iOS and Android mobile apps built with Kotlin Multiplatform.
 
 **Tech Stack:**
 - **HTTP Framework**: Echo v4
@@ -65,7 +65,7 @@ Casera API is a Go REST API for the MyCrib/Casera property management platform.
 ## Project Structure
 
 ```
-myCribAPI-go/
+honeyDueAPI-go/
 ├── cmd/
 │   ├── api/main.go           # API server entry point
 │   └── worker/main.go        # Background worker entry point
@@ -163,7 +163,7 @@ internal/task/
 
 **Always use this package for task logic:**
 ```go
-import "github.com/treytartt/casera-api/internal/task"
+import "github.com/treytartt/honeydue-api/internal/task"
 
 // Predicates (in-memory checks)
 if task.IsCompleted(t) { ... }
@@ -194,7 +194,7 @@ api.Use(middleware.AuthRequired(db))
 Use structured errors from `internal/apperrors/`:
 
 ```go
-import "github.com/treytartt/casera-api/internal/apperrors"
+import "github.com/treytartt/honeydue-api/internal/apperrors"
 
 // Return typed errors
 return apperrors.NewNotFoundError("task", taskID)
@@ -401,5 +401,5 @@ func TestTaskHandler_Create(t *testing.T) {
 
 ## Related Repositories
 
-- **Mobile App**: `../MyCribKMM` - Kotlin Multiplatform iOS/Android app
+- **Mobile App**: `../HoneyDueKMM` - Kotlin Multiplatform iOS/Android app
 - **Root Docs**: `../CLAUDE.md` - Full-stack documentation