限制 PPT 視覺 QA 投影片抽查

.env.example

@@ -315,6 +315,7 @@ RAG_EMBED_NORMALIZE=true
 PPT_VISION_ENABLED=true
 PPT_VISION_MODEL=minicpm-v:latest
 PPT_VISION_TIMEOUT=120
+PPT_VISION_MAX_SLIDES=1
 PPT_AUTO_GENERATION_ENABLED=true
 PPT_AUTO_REPORT_TYPES=all
 PPT_AUTO_DEFAULT_CATEGORY=美妝保養

config.py

@@ -320,7 +320,7 @@ YOUTUBE_API_KEY = os.getenv('YOUTUBE_API_KEY', '')
 # ==========================================
 # 系統版本與路徑
 # ==========================================
-SYSTEM_VERSION = "V10.232"
+SYSTEM_VERSION = "V10.233"
 LOG_FILE_PATH = os.path.join(BASE_DIR, 'logs/system.log')
 public_url = PUBLIC_URL  # 用於模板顯示
 

services/ppt_vision_service.py

@@ -36,6 +36,7 @@ logger = logging.getLogger(__name__)
 # ─────────────────────────────────────────────────────────────────────────────
 PPT_VISION_MODEL = os.getenv('PPT_VISION_MODEL', 'minicpm-v:latest')
 PPT_VISION_TIMEOUT = int(os.getenv('PPT_VISION_TIMEOUT', '120'))
+PPT_VISION_MAX_SLIDES = int(os.getenv('PPT_VISION_MAX_SLIDES', '1'))
 PPT_VISION_IMAGE_MAX_EDGE = int(os.getenv('PPT_VISION_IMAGE_MAX_EDGE', '1280'))
 PPT_VISION_IMAGE_QUALITY = int(os.getenv('PPT_VISION_IMAGE_QUALITY', '82'))
 _AUDIT_LOCK = threading.Lock()
@@ -182,6 +183,16 @@ def _is_recent_active_audit_run(run: Dict[str, Any] | None) -> bool:
     return age is None or age < _ACTIVE_AUDIT_TTL_SECONDS
 
 
+def _is_vision_infra_error(error: str | None) -> bool:
+    text = (error or '').lower()
+    return any(marker in text for marker in (
+        'all 3 hosts failed',
+        'connection',
+        'ollama vision failed',
+        'timeout',
+    ))
+
+
 def _public_audit_run_payload(run: Dict[str, Any] | None) -> Dict[str, Any] | None:
     if not run:
         return None
@@ -316,7 +327,7 @@ class PPTVisionService:
             with open(image_path, 'rb') as f:
                 return base64.b64encode(f.read()).decode('ascii')
 
-    def check_ppt_file(self, pptx_path: str, max_slides: int = 5) -> Dict[str, Any]:
+    def check_ppt_file(self, pptx_path: str, max_slides: int | None = None) -> Dict[str, Any]:
         """檢查整份 .pptx — Phase 26 整合到 PPT 生成流程。
 
         流程：
@@ -338,6 +349,7 @@ class PPTVisionService:
         import subprocess
         import tempfile
 
+        max_slides = max(1, int(max_slides or PPT_VISION_MAX_SLIDES))
         result = {
             'success': False, 'slides_checked': 0, 'total_issues': 0,
             'issues_by_slide': [], 'error': None,
@@ -424,11 +436,16 @@ class PPTVisionService:
                             result['total_issues'] += len(vr.issues_found)
                             result['issues_by_slide'].append((idx + 1, vr.issues_found))
                     else:
-                        slide_errors.append(f"slide {idx + 1}: {vr.error or 'vision model failed'}")
+                        message = f"slide {idx + 1}: {vr.error or 'vision model failed'}"
+                        slide_errors.append(message)
+                        if _is_vision_infra_error(vr.error):
+                            break
                 except Exception as exc:
                     message = f"slide {idx + 1}: {type(exc).__name__}: {str(exc)[:160]}"
                     slide_errors.append(message)
                     logger.warning(f"[PPTVision] slide {idx+1} check failed: {exc}")
+                    if _is_vision_infra_error(message):
+                        break
 
             result['success'] = result['slides_checked'] > 0
             if not result['success'] and slide_errors: