feat(rvw): deliver tenant portal v4 flow and config foundation

Implement RVW V4.0 tenant-aware backend/frontend flow with tenant routing, config APIs, and full portal UX updates. Sync system/RVW/deployment docs to capture verified upload-review-report workflow and next-step admin configuration work.

Made-with: Cursor

backend/scripts/test-data/03_fix_jtim_user_password.sql

@@ -0,0 +1,10 @@
+-- 修复 jtim 测试用户密码（Test@1234 的 bcrypt $2a$10$ hash）
+UPDATE platform_schema.users
+SET password = '$2a$10$OzlvWo.N5FKeU9BgBVuZ1e1DPonG7bF/WVO6PVW5d5di.fK7oxUnW',
+    is_default_password = false
+WHERE id = 'user-jtim-reviewer-001';
+
+-- 验证
+SELECT id, name, phone, LEFT(password, 7) AS hash_prefix, is_default_password
+FROM platform_schema.users
+WHERE id = 'user-jtim-reviewer-001';