feat: enhance tool call handling and agent stats tracking and UI integration for tool calls render (#4101)

* feat: enhance tool call handling and UI integration for tool calls render

- Added support for tool call messages in the agent runner and webchat event handling.
- Implemented JSON message component for structured tool call data.
- Updated chat route to save tool call information in message history.
- Enhanced frontend to display tool call details in a collapsible format, including status and results.
- Introduced elapsed time tracking for ongoing tool calls in the chat interface.

* fix: improve message handling in agent run utility and tool loop runner

- Refactored message sending logic in `astr_agent_run_util.py` to use `msg_chain` directly for better clarity.
- Added a check in `tool_loop_agent_runner.py` to ensure `tool_call_result_blocks` is not empty before yielding the last tool call result, preventing potential errors.

* refactor: enhance message structure and UI for chat components

- Updated message handling in `MessageList.vue` to support structured message parts, including plain text, images, audio, and files.
- Improved the `Chat.vue` component styles for better visual consistency.
- Refactored message parsing logic in `useMessages.ts` to accommodate new message formats and ensure proper rendering of embedded content.
- Removed deprecated tool call handling from the message structure, streamlining the message display process.

* chore: ruff format

* feat: implement agent statistics tracking and display in chat

- Added `AgentStats` and `TokenUsage` data classes to track agent performance metrics.
- Enhanced `ToolLoopAgentRunner` to collect and update agent statistics during execution.
- Integrated agent statistics sending to webchat for real-time updates.
- Updated chat route to save and display agent statistics in message history.
- Improved frontend components to visualize agent statistics, including token usage and duration metrics.

* fix: improve message handling in Telegram event and agent run utility

- Updated message sending logic in `astr_agent_run_util.py` to send the correct message chain for tool calls.
- Enhanced `tg_event.py` to edit messages during streaming breaks, improving message management and user experience.
- Added error handling for message editing failures to ensure robustness.

* chore: ruff format

astrbot/core/message/components.py

@@ -629,12 +629,11 @@ class Nodes(BaseMessageComponent):
 
 class Json(BaseMessageComponent):
     type = ComponentType.Json
-    data: str | dict
-    resid: int | None = 0
+    data: dict
 
-    def __init__(self, data, **_):
-        if isinstance(data, dict):
-            data = json.dumps(data)
+    def __init__(self, data: str | dict, **_):
+        if isinstance(data, str):
+            data = json.loads(data)
         super().__init__(data=data, **_)