fix(ai-pull-request): 遮蔽錯誤訊息 token、清理暫存設定、截斷分支名稱並改用 homedir

app/lib/opencode.js

@@ -1,6 +1,6 @@
-import { writeFileSync, mkdtempSync } from 'node:fs';
-import { tmpdir } from 'node:os';
-import { join } from 'node:path';
+import { writeFileSync, mkdtempSync, rmSync } from 'node:fs';
+import { tmpdir, homedir } from 'node:os';
+import { join, dirname } from 'node:path';
 import { run, log, maskSecrets } from './util.js';
 
 /**
@@ -74,33 +74,38 @@ export class OpenCode {
     const configPath = this._writeConfig();
     const prompt = buildPrompt({ ...ctx, language: this.language });
 
-    log.info(`呼叫 opencode（${this.provider}/${this.model}）分析 diff...`);
-    const result = run(
-      'opencode',
-      ['run', '--model', `${this.provider}/${this.model}`, prompt],
-      {
-        cwd: tmpdir(),
-        env: {
-          ...process.env,
-          OPENCODE_CONFIG: configPath,
-          // 確保 opencode 有可寫的 HOME / 設定目錄
-          HOME: process.env.HOME || '/root',
+    try {
+      log.info(`呼叫 opencode（${this.provider}/${this.model}）分析 diff...`);
+      const result = run(
+        'opencode',
+        ['run', '--model', `${this.provider}/${this.model}`, prompt],
+        {
+          cwd: tmpdir(),
+          env: {
+            ...process.env,
+            OPENCODE_CONFIG: configPath,
+            // 確保 opencode 有可寫的 HOME / 設定目錄
+            HOME: process.env.HOME || homedir(),
+          },
+          timeout: 5 * 60 * 1000,
         },
-        timeout: 5 * 60 * 1000,
-      },
-    );
+      );
 
-    if (result.status !== 0) {
-      log.warn(`opencode 執行失敗 (${result.status})：${maskSecrets(result.stderr).slice(0, 500)}`);
-      return null;
-    }
+      if (result.status !== 0) {
+        log.warn(`opencode 執行失敗 (${result.status})：${maskSecrets(result.stderr).slice(0, 500)}`);
+        return null;
+      }
 
-    const parsed = extractResult(result.stdout);
-    if (!parsed) {
-      log.warn('無法從 opencode 輸出解析出標題/描述');
-      return null;
+      const parsed = extractResult(result.stdout);
+      if (!parsed) {
+        log.warn('無法從 opencode 輸出解析出標題/描述');
+        return null;
+      }
+      return parsed;
+    } finally {
+      // 清理 _writeConfig 建立的暫存設定目錄，避免堆積
+      rmSync(dirname(configPath), { recursive: true, force: true });
     }
-    return parsed;
   }
 }