fix: properly define agent enhancement variables before use

server.js

@@ -557,11 +557,42 @@ app.get('/api/agents', (req, res) => {
           );
         });
       };
-
 const agentPromises = agentDirs.map(async (agentName) => {
         const agentPath = path.join(AGENTS_DIR, agentName);
         const workspacePath = path.join(agentPath, 'workspace');
         
+        // Load openclaw config for identity info
+        let emoji = '🤖';
+        let model = 'unknown';
+        let identityName = agentName;
+        
+        if (fs.existsSync(OPENCLAW_CONFIG)) {
+          try {
+            const openclawConfig = JSON.parse(fs.readFileSync(OPENCLAW_CONFIG, 'utf8'));
+            const agentConfig = openclawConfig.agents?.list?.find(a => a.id === agentName);
+            if (agentConfig) {
+              emoji = agentConfig.identity?.emoji || '🤖';
+              model = agentConfig.model?.primary || 'unknown';
+              identityName = agentConfig.identity?.name || agentName;
+            }
+          } catch {}
+        }
+        
+        // Get last activity from session files
+        let lastActivity = null;
+        const sessionsPath = path.join(agentPath, 'sessions');
+        if (fs.existsSync(sessionsPath)) {
+          const sessionFiles = fs.readdirSync(sessionsPath).filter(f => f.endsWith('.jsonl'));
+          if (sessionFiles.length > 0) {
+            const latestSession = sessionFiles
+              .map(f => ({ file: f, mtime: fs.statSync(path.join(sessionsPath, f)).mtime }))
+              .sort((a, b) => b.mtime - a.mtime)[0];
+            if (latestSession) {
+              lastActivity = latestSession.mtime.toISOString();
+            }
+          }
+        }
+        
         const agent = {
           id: agentName,
           emoji,