feat: implement OpenClaw process owner and runtime path utilities

- Add OpenClawProcessOwner class to manage the lifecycle of the OpenClaw process.
- Introduce utility functions for managing OpenClaw runtime paths.
- Update session store to normalize agent session keys and migrate existing keys.
- Refactor main process to handle local provider API routing through a new dispatch function.
- Enhance token usage writer to utilize a new session key parsing function.
- Create agents management store to handle agent data and interactions.
- Update chat store to integrate agent selection and session management.
- Introduce AgentsSection component for displaying agent information in the UI.
- Refactor HomePage to support agent selection and display current agent.
- Update routing to reflect new agents page structure.

electron/utils/token-usage-writer.ts

@@ -1,23 +1,12 @@
 import { app } from 'electron';
 import * as fs from 'fs';
 import * as path from 'path';
+import { parseSessionKey } from '@runtime/lib/agents';
 
 export function getTranscriptFilePath(sessionKey: string): string {
-  let agentId: string;
-  let sessionId: string;
-
-  if (sessionKey.startsWith('agent:')) {
-    const parts = sessionKey.split(':');
-    agentId = parts[1] ?? 'default';
-    sessionId = parts.slice(2).join(':') || sessionKey;
-  } else if (sessionKey.startsWith('local:')) {
-    const parts = sessionKey.split(':');
-    agentId = parts[1] ?? 'local';
-    sessionId = parts.slice(2).join(':') || sessionKey;
-  } else {
-    agentId = 'default';
-    sessionId = sessionKey;
-  }
+  const parsed = parseSessionKey(sessionKey);
+  let agentId = parsed.isAgentSession ? parsed.agentId : 'default';
+  let sessionId = parsed.isAgentSession ? parsed.sessionId : sessionKey;
 
   if (!sessionId) {
     sessionId = 'unknown';