Add multi-image support for task completions and documents

- Add TaskCompletionImage and DocumentImage models with one-to-many relationships
- Update admin panel to display images for completions and documents
- Add image arrays to API request/response DTOs
- Update repositories with Preload("Images") for eager loading
- Fix seed SQL execution to use raw SQL instead of prepared statements
- Fix table names in seed file (admin_users, push_notifications_*)
- Add comprehensive seed test data with 34 completion images and 24 document images
- Add subscription limitations admin feature with toggle
- Update admin sidebar with limitations link

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

internal/dto/responses/task.go

@@ -54,16 +54,24 @@ type TaskUserResponse struct {
 	LastName  string `json:"last_name"`
 }
 
+// TaskCompletionImageResponse represents a completion image
+type TaskCompletionImageResponse struct {
+	ID       uint   `json:"id"`
+	ImageURL string `json:"image_url"`
+	Caption  string `json:"caption"`
+}
+
 // TaskCompletionResponse represents a task completion
 type TaskCompletionResponse struct {
-	ID          uint             `json:"id"`
-	TaskID      uint             `json:"task_id"`
-	CompletedBy *TaskUserResponse `json:"completed_by,omitempty"`
-	CompletedAt time.Time        `json:"completed_at"`
-	Notes       string           `json:"notes"`
-	ActualCost  *decimal.Decimal `json:"actual_cost"`
-	PhotoURL    string           `json:"photo_url"`
-	CreatedAt   time.Time        `json:"created_at"`
+	ID          uint                          `json:"id"`
+	TaskID      uint                          `json:"task_id"`
+	CompletedBy *TaskUserResponse             `json:"completed_by,omitempty"`
+	CompletedAt time.Time                     `json:"completed_at"`
+	Notes       string                        `json:"notes"`
+	ActualCost  *decimal.Decimal              `json:"actual_cost"`
+	Rating      *int                          `json:"rating"`
+	Images      []TaskCompletionImageResponse `json:"images"`
+	CreatedAt   time.Time                     `json:"created_at"`
 }
 
 // TaskResponse represents a task in the API response
@@ -198,12 +206,21 @@ func NewTaskCompletionResponse(c *models.TaskCompletion) TaskCompletionResponse
 		CompletedAt: c.CompletedAt,
 		Notes:       c.Notes,
 		ActualCost:  c.ActualCost,
-		PhotoURL:    c.PhotoURL,
+		Rating:      c.Rating,
+		Images:      make([]TaskCompletionImageResponse, 0),
 		CreatedAt:   c.CreatedAt,
 	}
 	if c.CompletedBy.ID != 0 {
 		resp.CompletedBy = NewTaskUserResponse(&c.CompletedBy)
 	}
+	// Convert images
+	for _, img := range c.Images {
+		resp.Images = append(resp.Images, TaskCompletionImageResponse{
+			ID:       img.ID,
+			ImageURL: img.ImageURL,
+			Caption:  img.Caption,
+		})
+	}
 	return resp
 }