fix: Rules of Hooks — Terminal state提升到App顶层

- 移除JSX内IIFE(违反Rules of Hooks)
- termCmd/termOut/termRunning→App顶层useState
- 切换标签不再触发hook数量变化

packages/client-android/App.tsx

@@ -28,6 +28,23 @@ export default function App() {
   // Connection state
   const [connStatus, setConnStatus] = useState<'disconnected' | 'connecting' | 'connected' | 'error'>('disconnected');
 
+  // Terminal state
+  const [termCmd, setTermCmd] = useState('');
+  const [termOut, setTermOut] = useState('Execute remote commands via Gateway MCP.\nType a shell command and press Execute.\n');
+  const [termRunning, setTermRunning] = useState(false);
+  const runTermCmd = async () => {
+    if (!termCmd.trim() || termRunning) return;
+    const c = termCmd.trim(); setTermCmd(''); setTermRunning(true);
+    setTermOut(o => o + `$ ${c}\n`);
+    try {
+      const r = await fetch(`${gatewayUrl}/tools/exec`, { method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify({command:c}), signal:AbortSignal.timeout(30000) });
+      if (!r.ok) throw new Error(`HTTP ${r.status}`);
+      const d = await r.json() as any;
+      setTermOut(o => o + (d.stdout||d.stderr||JSON.stringify(d)) + '\n');
+    } catch(e:any) { setTermOut(o => o + `Error: ${e.message}\n`); }
+    finally { setTermRunning(false); }
+  };
+
   /** Send chat message to Gateway */
   const sendMessage = async () => {
     const text = input.trim();
@@ -130,36 +147,17 @@ export default function App() {
 
       {/* ── Terminal Tab ── */}
       {tab === 'terminal' && (
-        (() => {
-          const [cmd, setCmd] = useState('');
-          const [out, setOut] = useState('Execute remote commands via Gateway MCP.\nType a shell command and press Execute.\n');
-          const [running, setRunning] = useState(false);
-          const runCmd = async () => {
-            if (!cmd.trim() || running) return;
-            const c = cmd.trim(); setCmd(''); setRunning(true);
-            setOut(o => o + `$ ${c}\n`);
-            try {
-              const r = await fetch(`${gatewayUrl}/tools/exec`, { method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify({command:c}), signal:AbortSignal.timeout(30000) });
-              if (!r.ok) throw new Error(`HTTP ${r.status}`);
-              const d = await r.json() as any;
-              setOut(o => o + (d.stdout||d.stderr||JSON.stringify(d)) + '\n');
-            } catch(e:any) { setOut(o => o + `Error: ${e.message}\n`); }
-            finally { setRunning(false); }
-          };
-          return (
         <View style={styles.chatContainer}>
           <ScrollView style={styles.termOutput}>
-                <Text style={styles.termText} selectable>{out}</Text>
+            <Text style={styles.termText} selectable>{termOut}</Text>
           </ScrollView>
           <View style={styles.inputBar}>
-                <TextInput style={styles.chatInput} value={cmd} onChangeText={setCmd} placeholder="ls -la /home" placeholderTextColor="#475569" autoCapitalize="none" autoCorrect={false} onSubmitEditing={runCmd} returnKeyType="send" />
+            <TextInput style={styles.chatInput} value={termCmd} onChangeText={setTermCmd} placeholder="ls -la /home" placeholderTextColor="#475569" autoCapitalize="none" autoCorrect={false} onSubmitEditing={runTermCmd} returnKeyType="send" />
-                <TouchableOpacity style={[styles.sendBtn, running && styles.sendBtnDisabled]} onPress={runCmd} disabled={running}>
+            <TouchableOpacity style={[styles.sendBtn, termRunning && styles.sendBtnDisabled]} onPress={runTermCmd} disabled={termRunning}>
-                  <Text style={styles.sendBtnText}>{running ? '...' : 'Run'}</Text>
+              <Text style={styles.sendBtnText}>{termRunning ? '...' : 'Run'}</Text>
             </TouchableOpacity>
           </View>
         </View>
-          );
-        })()
       )}
 
       {/* ── Settings Tab ── */}