refactor(video): 清理 Security/User stub，替换为框架 SecurityFrameworkUtils

- 删除 SecurityUtils/LoginUser/JwtUtils 3 个空壳 stub
- 删除 UserMapper/RoleMapper/UserApiKeyMapper 3 个废弃 Mapper 及 DTO
- 删除 IUserService/IRoleService/IUserApiKeyService 及实现类
- MediaController 改用 SecurityFrameworkUtils.getLoginUserId()
- 21 个 Controller 的 JwtUtils.HEADER 替换为 "Authorization" 字面量

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

viewsh-module-video/viewsh-module-video-server/src/main/java/com/viewsh/module/video/conf/security/JwtUtils.java

@@ -1,22 +0,0 @@
-package com.viewsh.module.video.conf.security;
-
-/**
- * JWT utility stub — WVP authentication removed, replaced by viewsh Security framework.
- * This class exists only to satisfy unused imports and annotation references in migrated controllers.
- * TODO: Phase 6 - remove all references to this class from controllers
- *
- * @deprecated Use viewsh SecurityFrameworkUtils instead
- */
-@Deprecated
-public class JwtUtils {
-
-    /**
-     * HTTP header name for JWT token — used in Swagger @SecurityRequirement annotations.
-     * TODO: Phase 6 - replace with viewsh security header name
-     */
-    public static final String HEADER = "Authorization";
-
-    private JwtUtils() {
-        // utility stub, not instantiable
-    }
-}

viewsh-module-video/viewsh-module-video-server/src/main/java/com/viewsh/module/video/conf/security/SecurityUtils.java

@@ -1,26 +0,0 @@
-package com.viewsh.module.video.conf.security;
-
-import com.viewsh.module.video.conf.security.dto.LoginUser;
-
-/**
- * WVP SecurityUtils stub — replaced by viewsh Security framework.
- * TODO: Phase 6 - replace usages with viewsh SecurityFrameworkUtils
- *
- * @deprecated Use viewsh SecurityFrameworkUtils instead
- */
-@Deprecated
-public class SecurityUtils {
-
-    private SecurityUtils() {
-        // utility stub
-    }
-
-    /**
-     * Get current login user info.
-     * TODO: Phase 6 - implement using viewsh SecurityFrameworkUtils.getLoginUser()
-     */
-    public static LoginUser getUserInfo() {
-        // Stub: always returns null (anonymous user) until Phase 6 auth integration
-        return null;
-    }
-}

viewsh-module-video/viewsh-module-video-server/src/main/java/com/viewsh/module/video/conf/security/dto/LoginUser.java

@@ -1,30 +0,0 @@
-package com.viewsh.module.video.conf.security.dto;
-
-/**
- * WVP LoginUser stub — replaced by viewsh Security framework.
- * TODO: Phase 6 - replace usages with viewsh LoginUser
- *
- * @deprecated Use viewsh SecurityFrameworkUtils instead
- */
-@Deprecated
-public class LoginUser {
-
-    private Long id;
-    private String username;
-
-    public Long getId() {
-        return id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public String getUsername() {
-        return username;
-    }
-
-    public void setUsername(String username) {
-        this.username = username;
-    }
-}