feat(unified-render): Phase 3 - 音频统一混音 + 灰度观测埋点

Phase 3 unified render with audio mixing + gray scale observation metrics

apps/worker/video_processing/render_adapter.py

@@ -21,17 +21,10 @@ from typing import Any, Callable
 
 from sqlalchemy.orm import Session
 from video_processing.oss_helpers import download_asset, upload_to_oss
-from video_processing.unified_render_service import (
-    RenderResult,
-    UnifiedRenderService,
-)
+from video_processing.unified_render_service import RenderResult, UnifiedRenderService
 
-from packages.adapters.sqlalchemy_impl.edit_plan_clip_repository import (
-    SQLAlchemyEditPlanClipRepository,
-)
-from packages.adapters.sqlalchemy_impl.edit_plan_repository import (
-    SQLAlchemyEditPlanRepository,
-)
+from packages.adapters.sqlalchemy_impl.edit_plan_clip_repository import SQLAlchemyEditPlanClipRepository
+from packages.adapters.sqlalchemy_impl.edit_plan_repository import SQLAlchemyEditPlanRepository
 from packages.domain.edit_plan import EditPlan, EditPlanStatus
 from packages.domain.edit_plan_clip import EditPlanClip, EditPlanClipStatus
 
@@ -140,7 +133,7 @@ class RenderAdapter:
                 )
 
             logger.info(
-                "开始渲染: plan_id=%s job_id=%s ready_clips=%d",
+                "开始渲染: plan_id=%s job_id=%s ready_clips=%d engine=unified",
                 plan_id,
                 job_id,
                 len(ready_clips),
@@ -176,6 +169,18 @@ class RenderAdapter:
 
             self._report_progress(progress_cb, 100.0, "渲染完成")
 
+            logger.info(
+                "[render-adapter] render success: plan_id=%s job_id=%s engine=unified "
+                "duration=%.2fs file_size=%d resolution=%dx%d clip_count=%d",
+                plan_id,
+                job_id,
+                result.duration,
+                result.file_size,
+                result.width,
+                result.height,
+                len(ready_clips),
+            )
+
             return RenderAdapterResult(
                 success=True,
                 output_url=output_url or "",
@@ -188,7 +193,12 @@ class RenderAdapter:
             )
 
         except Exception as exc:
-            logger.exception("渲染失败: plan_id=%s", plan_id)
+            logger.exception(
+                "[render-adapter] render failed: plan_id=%s job_id=%s engine=unified error=%s",
+                plan_id,
+                job_id,
+                str(exc)[:200],
+            )
             return RenderAdapterResult(
                 success=False,
                 error_message=str(exc)[:500],