feat(events): rename edit_start to edit_started and add StepDeletedEvent

- Renamed EditStartedEvent.name from "edit_start" to "edit_started" for consistency
- Added new StepDeletedEvent class to track step deletion events with metadata
- Updated TASK_VERSION to reflect schema changes

Author: lgxz

aipyapp/aipy/events.py

@@ -234,7 +234,7 @@ class ExecCompletedEvent(BaseEvent):
 
 class EditStartedEvent(BaseEvent):
     """Event fired when code editing starts"""
-    name: Literal["edit_start"] = "edit_start"
+    name: Literal["edit_started"] = "edit_started"
     block_name: str = Field(..., title="Block Name", description="Name of the code block being edited")
     old: str = Field(..., title="Old", description="Old code string")
     new: str = Field(..., title="New", description="New code string")
@@ -310,6 +310,14 @@ class UploadResultEvent(BaseEvent):
     status_code: int = Field(..., title="Status Code", description="HTTP status code of the upload")
     url: Optional[str] = Field(None, title="URL", description="URL of the uploaded content")
 
+class StepDeletedEvent(BaseEvent):
+    """Event fired when a step is deleted"""
+    name: Literal["step_deleted"] = "step_deleted"
+    step_index: int = Field(..., title="Step Index", description="Index of the deleted step")
+    step_info: str = Field(..., title="Step Info", description="Information about the deleted step")
+    cleaned_messages: int = Field(..., title="Cleaned Messages", description="Number of messages cleaned up")
+    tokens_saved: int = Field(..., title="Tokens Saved", description="Number of tokens saved by deletion")
+
 class StepCleanupCompletedEvent(BaseEvent):
     """Event fired when step cleanup completes"""
     name: Literal["step_cleanup_completed"] = "step_cleanup_completed"

aipyapp/aipy/task.py

@@ -36,7 +36,7 @@
     from .taskmgr import TaskManager
 
 MAX_ROUNDS = 16
-TASK_VERSION = 20250818
+TASK_VERSION = 20251127 
 
 CONSOLE_WHITE_HTML = read_text(__respkg__, "console_white.html")
 CONSOLE_CODE_HTML = read_text(__respkg__, "console_code.html")