feat: connect chat and runs, cancellable chat messages, unified frontend runs module

backend/src/agent.py

@@ -75,14 +75,20 @@ class Agent:
                 "thread_id": message.thread_id,
             },
         )
+
         await self.run(run)
-        await self.app.send_chat_message(
-            chat_id=message.chat_id,
+        new_message = await self.app.send_chat_message(
             sender=self.id,
-            content=run.stream,
+            chat_id=message.chat_id,
             thread_id=message.thread_id,
+            content=run.stream,
         )
-        return run.stream;
+        run.emit_event('chat-message', {
+            'messageId': new_message['id'],
+            'chatId': message.chat_id,
+            'threadId': message.thread_id,
+        })
+        return run.stream
 
     def _role_for_message(self, message):
         sender = message.sender
@@ -140,18 +146,17 @@ class AgentRun:
         
         # Cancellation tracking
         self.task = None  # For asyncio tasks
-        self.thread = None  # For threads
         self.cancelled = False
 
         app.tmp.runs[self.id] = self
         
         # Emit run start event
-        app.emit_event("run-started", {
-            "runId": self.id,
+        self.emit_event('created', {
             "agentId": self.agent_id,
             "userId": self.user_id,
             "startTime": self.start_time,
-            "input": self.input
+            "input": self.input,
+            "streamId": self.stream.id,
         })
         
         return self
@@ -259,12 +264,3 @@ class AgentRun:
         self.output = self.stream.content
         self.stream.close()
         self.emit_event("done", {"output": self.output, "agent_id": self.agent_id})
-        
-        # Broadcast run completion event
-        self.app.emit_event("run-completed", {
-            "runId": self.id,
-            "agentId": self.agent_id,
-            "endTime": self.end_time,
-            "output": self.output
-        })
-