style: 清理ruff F401未使用import（5个文件）

清理5个文件中ruff F401未使用import，含adjustments.py、pr_auto_scan.py、ci_trigger_monitor.py等。

apps/api/app/api/routes/templates_editor/adjustments.py

@@ -15,7 +15,7 @@ from typing import Any
 from app.auth import AuthenticatedUser, get_current_user
 from app.services.edit_plan_service import EditPlanService
 from app.services.edit_template_service import EditTemplateService
-from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi import APIRouter, Depends, HTTPException
 
 from ._utils import _build_adjust_response, _get_adjust_trim, _get_clip_config, _validate_trim
 from .dependencies import get_draft_plan_id, get_editor_services

scripts/ci/pr_auto_scan.py

@@ -8,9 +8,7 @@ PR自动扫描器：扫描所有open PR，对CI全绿的进行自动审批/合
 
 import argparse
 import json
-import os
 import re
-import sys
 import time
 import urllib.error
 import urllib.request

scripts/ci_trigger_monitor.py

@@ -185,7 +185,7 @@ def main():
         # 解析updated_at（ISO格式）
         try:
             # 2026-07-17T09:22:43+08:00
-            from datetime import datetime, timedelta, timezone
+            from datetime import datetime
 
             # 简化处理：直接用字符串解析
             ts_str = updated_at.replace("Z", "+00:00")

scripts/init_phase4_tasks.py

@@ -10,8 +10,6 @@ import sys
 
 sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8")
 
-import json
-from datetime import datetime, timedelta
 
 import requests
 

scripts/init_tracker_data.py

@@ -10,8 +10,6 @@ import sys
 
 sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8")
 
-import json
-from datetime import datetime, timedelta
 
 import requests