feat(auth): add comprehensive authentication system with 2FA support

- Add new auth module with captcha, login, logout, register, and email verification endpoints
- Implement two-factor authentication with TOTP enable, disable, verify, and backup codes regeneration
- Create RSA public key endpoint for secure password encryption
- Add user profile management with get current user and email retrieval
- Integrate OpenAPI documentation for all authentication endpoints
- Implement password reset functionality with email verification flow
- Add comprehensive API response structures with proper error handling
- Configure all auth routes under /api/v1/auth scope with proper tagging

service/wiki/core.rs

@@ -22,7 +22,7 @@ pub struct UpdateWikiPageParams {
 }
 
 impl RepoService {
-    /// 列出仓库的所有 wiki 页面
+    /// List all wiki pages in a repository.
     pub async fn wiki_list_pages(
         &self,
         ctx: &Session,
@@ -69,7 +69,7 @@ impl RepoService {
         }
     }
 
-    /// 获取单个 wiki 页面
+    /// Get a single wiki page.
     pub async fn wiki_get_page(
         &self,
         ctx: &Session,
@@ -94,7 +94,7 @@ impl RepoService {
         .ok_or_else(|| AppError::NotFound("Wiki page not found".into()))
     }
 
-    /// 创建 wiki 页面
+    /// Create a wiki page.
     pub async fn wiki_create_page(
         &self,
         ctx: &Session,
@@ -160,7 +160,7 @@ impl RepoService {
         Ok(page)
     }
 
-    /// 更新 wiki 页面
+    /// Update a wiki page.
     pub async fn wiki_update_page(
         &self,
         ctx: &Session,
@@ -231,7 +231,7 @@ impl RepoService {
         Ok(updated)
     }
 
-    /// 删除 wiki 页面（软删除）
+    /// Delete a wiki page using a soft delete.
     pub async fn wiki_delete_page(
         &self,
         ctx: &Session,
@@ -259,7 +259,7 @@ impl RepoService {
         ensure_affected(result.rows_affected(), "wiki page not found")
     }
 
-    /// 回滚到历史版本
+    /// Revert a wiki page to a historical version.
     pub async fn wiki_revert_to_version(
         &self,
         ctx: &Session,

service/wiki/revisions.rs

@@ -6,7 +6,7 @@ use crate::session::Session;
 use super::util::clamp_limit_offset;
 
 impl RepoService {
-    /// 获取页面的修订历史
+    /// Get the revision history for a page.
     pub async fn wiki_get_revisions(
         &self,
         ctx: &Session,
@@ -34,7 +34,7 @@ impl RepoService {
         .map_err(AppError::Database)
     }
 
-    /// 获取特定版本的修订详情
+    /// Get details for a specific revision version.
     pub async fn wiki_get_revision(
         &self,
         ctx: &Session,
@@ -60,7 +60,7 @@ impl RepoService {
         .ok_or_else(|| AppError::NotFound("Revision not found".into()))
     }
 
-    /// 比较两个版本的差异
+    /// Compare two revision versions.
     pub async fn wiki_compare_revisions(
         &self,
         ctx: &Session,