feat: Add comprehensive timeline editor with frame editing and regeneration capabilities

api/tasks/manager.py

@@ -186,7 +186,7 @@ class TaskManager:
         message: str = ""
     ):
         """
-        Update task progress
+        Update task progress and add to logs
         
         Args:
             task_id: Task ID
@@ -205,6 +205,17 @@ class TaskManager:
             percentage=percentage,
             message=message
         )
+        
+        # Add to logs if message is new
+        if message:
+            # Check last log to avoid duplicates
+            if not task.logs or task.logs[-1].get("message") != message:
+                task.logs.append({
+                    "timestamp": datetime.now().isoformat(),
+                    "message": message,
+                    "percentage": round(percentage, 1)
+                })
+                logger.debug(f"Task {task_id} log: {message} ({percentage:.1f}%)")
     
     def cancel_task(self, task_id: str) -> bool:
         """

api/tasks/models.py

@@ -16,7 +16,7 @@ Task data models
 
 from datetime import datetime
 from enum import Enum
-from typing import Any, Optional
+from typing import Any, Optional, List
 from pydantic import BaseModel, Field
 
 
@@ -51,10 +51,13 @@ class Task(BaseModel):
     # Progress tracking
     progress: Optional[TaskProgress] = None
     
-    # Result
+    # Results and Errors
     result: Optional[Any] = None
     error: Optional[str] = None
     
+    # Event logs/History
+    logs: List[dict] = Field(default_factory=list)
+    
     # Metadata
     created_at: datetime = Field(default_factory=datetime.now)
     started_at: Optional[datetime] = None