feat: enhance deployment process and update dependencies

- Updated the deployment script to build the web application before deploying.
- Upgraded Wrangler dependency from 4.61.1 to 4.69.0.

feat: add import item limit and request body size limit

- Introduced a new limit for the maximum total items allowed in a single import (5000).
- Set a hard body size limit for JSON API endpoints (25 MB).

feat: validate KDF parameters during registration and password change

- Added validation for KDF parameters to ensure compliance with Bitwarden's minimum requirements.
- Enhanced error handling for invalid KDF parameters during user registration and password change.

feat: clean up R2 files on user deletion

- Implemented cleanup of R2 files associated with user attachments and sends before deleting user metadata.

feat: verify folder ownership when creating or updating ciphers

- Added checks to ensure that users cannot reference folders owned by other users when creating or updating ciphers.

fix: handle corrupted cipher data gracefully

- Improved error handling when retrieving ciphers from the database to avoid crashes due to corrupted data.

feat: increment send access count atomically

- Added a method to atomically increment the access count for sends and return whether the update was successful.

fix: enforce request body size limits

- Implemented checks to reject oversized request bodies for non-file upload paths.

fix: update error handling for database initialization

- Enhanced error logging for database initialization failures while providing a generic message to clients.

feat: enhance security with Content Security Policy

- Added a Content Security Policy to the web application to improve security against XSS attacks.

fix: remove plaintext TOTP secret from localStorage

- Updated the TOTP enabling process to remove the plaintext secret from localStorage after it is stored on the server.

fix: ensure only PBKDF2 hash is sent for public send access

- Modified the public send access payload to ensure only the PBKDF2 hash is sent, never the plaintext password.

src/config/limits.ts

@@ -103,6 +103,14 @@
     // Max IDs per SQL batch when moving ciphers in bulk.
     // 批量移动密码项时每批 SQL 的最大 ID 数量。
     bulkMoveChunkSize: 200,
+    // Max total items (folders + ciphers) allowed in a single import.
+    // 单次导入允许的最大条目数（文件夹 + 密码项合计）。
+    importItemLimit: 5000,
+  },
+  request: {
+    // Hard body size limit for JSON API endpoints (bytes). File upload paths are exempt.
+    // JSON 接口请求 body 大小上限（字节），文件上传接口除外。
+    maxBodyBytes: 25 * 1024 * 1024,
   },
   compatibility: {
     // Single source of truth for /config.version and /api/version.