Initial commit: 风影 OA 全栈源码（API/Web/Flutter/IM）

含 Phase 1.1 IM seq 排序、断线重连、多端已读同步与微信式语音转文字 UI。
排除 node_modules、构建产物、安装包与 .env 密钥。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/prisma/production-clean-orphan-contract-files-20260901.sql

@@ -0,0 +1,38 @@
+\set ON_ERROR_STOP on
+
+BEGIN;
+
+DO $$
+DECLARE
+  orphan_count integer;
+  mirrored_count integer;
+BEGIN
+  SELECT count(*) INTO orphan_count
+  FROM "FileAsset" file
+  WHERE file."bizType" LIKE 'CONTRACT%'
+    AND NOT EXISTS (SELECT 1 FROM "Contract" contract WHERE contract.id = file."bizId");
+
+  SELECT count(*) INTO mirrored_count
+  FROM "FileAsset" orphan
+  WHERE orphan."bizType" LIKE 'CONTRACT%'
+    AND NOT EXISTS (SELECT 1 FROM "Contract" contract WHERE contract.id = orphan."bizId")
+    AND EXISTS (
+      SELECT 1
+      FROM "FileAsset" current_file
+      JOIN "Contract" current_contract ON current_contract.id = current_file."bizId"
+      WHERE current_file."bizType" = orphan."bizType"
+        AND current_file."fileName" = orphan."fileName"
+        AND current_file.size = orphan.size
+    );
+
+  IF orphan_count <> 29 OR mirrored_count <> orphan_count THEN
+    RAISE EXCEPTION 'Unexpected orphan contract files: orphan %, mirrored %',
+      orphan_count, mirrored_count;
+  END IF;
+END $$;
+
+DELETE FROM "FileAsset" file
+WHERE file."bizType" LIKE 'CONTRACT%'
+  AND NOT EXISTS (SELECT 1 FROM "Contract" contract WHERE contract.id = file."bizId");
+
+COMMIT;