feat: 创作工作台统一 + AI味检测/白标 + 移动端补全 + 合规发布闭环

- 新增创作工作台 studio.html：合并选题/内容工厂/文章管理为单一 tab 入口（iframe embed 模式）
- 新增 AI味检测模块（ai_slop API + 页面，合规软硬问题分级）
- 新增白标品牌配置（branding API + 页面 + deploy 私有化交付包）
- 发布闭环：publishing 放宽至 editor + records/mark-published 接口
- 移动端响应式补全（admin/calendar/ai-slop 表格卡片兜底）
- 修复菜单幂等播种缺陷（按 path 对齐，避免功能页孤立）
- 新增短视频脚本 shortvideo.py 与 2026 市场调研简报

platform/backend/app/api/external_promotion.py

@@ -1,4 +1,10 @@
+import os
+import sys
+import subprocess
+from pathlib import Path
+
 from fastapi import APIRouter, Depends, HTTPException, Query
+from pydantic import BaseModel
 from sqlalchemy.orm import Session
 from sqlalchemy import desc
 from typing import Optional
@@ -6,10 +12,18 @@ from datetime import datetime, timezone
 
 from ..database import get_db
 from ..models import ExternalProduct, PromotionCampaign, CampaignKeyword, SEOAudit, KeywordRanking, OptimizationTask, User
-from .auth import get_current_user, org_filter
+from .auth import get_current_user, get_current_admin, org_filter
 
 router = APIRouter(prefix="/api/external", tags=["external_promotion"])
 
+PROJECT_ROOT = Path(__file__).parent.parent.parent.parent.parent
+SEO_AUDITOR_PATH = PROJECT_ROOT / "scripts" / "seo_auditor.py"
+
+
+class AuditRunRequest(BaseModel):
+    product_id: Optional[str] = None
+    url: Optional[str] = None
+
 
 def _org_filtered_query(db, model, current_user):
     query = db.query(model)
@@ -467,3 +481,44 @@ def external_overview(
             "type_breakdown": type_breakdown,
         }
     }
+
+
+# ===== Run SEO Audit (delegate to scripts/seo_auditor.py) =====
+
+@router.post("/audit/run")
+def run_audit(
+    body: AuditRunRequest,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_admin),
+):
+    cmd = [sys.executable, str(SEO_AUDITOR_PATH)]
+    if body.product_id:
+        cmd += ["--product-id", str(body.product_id)]
+    elif body.url:
+        cmd += ["--url", body.url]
+    else:
+        raise HTTPException(status_code=400, detail="product_id 或 url 至少提供一个")
+
+    try:
+        result = subprocess.run(cmd, capture_output=True, text=True, timeout=300)
+    except subprocess.TimeoutExpired:
+        raise HTTPException(status_code=408, detail="SEO 审计超时")
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"审计执行失败: {str(e)}")
+
+    if result.returncode != 0:
+        raise HTTPException(
+            status_code=502,
+            detail={
+                "message": "SEO 审计脚本返回错误",
+                "stderr": result.stderr,
+                "stdout": result.stdout,
+            },
+        )
+
+    return {
+        "ok": True,
+        "stdout": result.stdout,
+        "stderr": result.stderr,
+        "returncode": result.returncode,
+    }