feat(points): P2 step 2.6 - ai_avatar_render 数字人渲染 points gate (#1943)

Co-authored-by: xiaoxia <dev@xiaoxiajianji.com>
Co-committed-by: xiaoxia <dev@xiaoxiajianji.com>

apps/api/app/api/routes/scripts_ai.py

@@ -13,6 +13,7 @@ import re
 import tempfile
 
 from app.auth import AuthenticatedUser, get_current_user
+from app.dependencies import get_db_session
 from app.schemas.scripts_ai import (
     AiGenerateTitlesRequest,
     AiGenerateTitlesResponse,
@@ -27,7 +28,9 @@ from app.services.script_asr_service import (
     transcribe_to_text,
 )
 from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.orm import Session
 
+from packages.middleware.points_gate import points_gate
 from packages.shared.ai_client import get_doubao_client
 
 logger = logging.getLogger(__name__)
@@ -62,9 +65,11 @@ def _validate_douyin_url(url: str) -> None:
     "/extract-from-douyin",
     response_model=ExtractFromDouyinResponse,
 )
+@points_gate("douyin_extract")
 def extract_from_douyin(
     request: ExtractFromDouyinRequest,
-    authenticated_user: AuthenticatedUser = Depends(get_current_user),
+    current_user: AuthenticatedUser = Depends(get_current_user),
+    db: Session = Depends(get_db_session),
 ) -> ExtractFromDouyinResponse:
     """从抖音视频下载无水印视频并通过 ASR 提取文案."""
     source_url = request.url.strip()
@@ -138,9 +143,11 @@ def extract_from_douyin(
     "/ai-rewrite",
     response_model=AiRewriteResponse,
 )
+@points_gate("ai_rewrite")
 def ai_rewrite(
     request: AiRewriteRequest,
-    authenticated_user: AuthenticatedUser = Depends(get_current_user),
+    current_user: AuthenticatedUser = Depends(get_current_user),
+    db: Session = Depends(get_db_session),
 ) -> AiRewriteResponse:
     """使用豆包大模型改写文案."""
     content = (request.content or "").strip()
@@ -206,9 +213,11 @@ def ai_rewrite(
     "/ai-generate-titles",
     response_model=AiGenerateTitlesResponse,
 )
+@points_gate("ai_title")
 def ai_generate_titles(
     request: AiGenerateTitlesRequest,
-    authenticated_user: AuthenticatedUser = Depends(get_current_user),
+    current_user: AuthenticatedUser = Depends(get_current_user),
+    db: Session = Depends(get_db_session),
 ) -> AiGenerateTitlesResponse:
     """使用现有 generate_smart_titles 生成标题."""
     content = (request.content or "").strip()