chore: unify log formatting

app/json.js

@@ -1,6 +1,7 @@
 import fs from 'fs';
 import path from 'path';
 import { chat } from './llm.js';
+import { ok, warn, error } from './log.js';
 
 const MAX_JSON_BYTES = 1024 * 1024;
 
@@ -50,25 +51,25 @@ export async function validateJSONArrayFile(fullPath, label, repairer = repairJS
   fs.mkdirSync(path.dirname(fullPath), { recursive: true });
 
   if (!fs.existsSync(fullPath)) {
-    console.log(`  ⚠️  ${label} 不存在，將於驗證後補建`);
+    warn(`${label} 不存在，將於驗證後補建`);
     return { exists: false, valid: false, repaired: false };
   }
 
   try {
     JSON.parse(readJSONText(fullPath, label));
-    console.log(`  ✅ ${label} JSON 格式正確`);
+    ok(`${label} JSON 格式正確`);
     return { exists: true, valid: true, repaired: false };
   } catch (e) {
-    console.error(`  ❌ ${label} JSON 格式錯誤: ${e.message}，嘗試透過 AI 修正...`);
+    error(`${label} JSON 格式錯誤: ${e.message}，嘗試透過 AI 修正...`);
     try {
       const original = readJSONText(fullPath, label);
       const repaired = await repairer(fullPath, label, original);
       fs.writeFileSync(fullPath, repaired.endsWith('\n') ? repaired : `${repaired}\n`, 'utf8');
       JSON.parse(readJSONText(fullPath, label));
-      console.log(`  ✅ ${label} 已由 AI 修正並通過再次驗證`);
+      ok(`${label} 已由 AI 修正並通過再次驗證`);
       return { exists: true, valid: true, repaired: true };
     } catch (repairErr) {
-      console.error(`  ❌ ${label} 修正失敗: ${repairErr.message}`);
+      error(`${label} 修正失敗: ${repairErr.message}`);
       throw repairErr;
     }
   }
@@ -82,6 +83,6 @@ export function ensureJSONArrayFileExists(fullPath, label) {
   if (fs.existsSync(fullPath)) return false;
 
   fs.writeFileSync(fullPath, '[]\n', 'utf8');
-  console.log(`  ⚠️  ${label} 不存在，已建立空陣列`);
+  warn(`${label} 不存在，已建立空陣列`);
   return true;
 }