feat(security): add distributed authorization foundation

Tiku.Api/Controllers/SecurityDiagnosticsController.cs

@@ -13,6 +13,7 @@ public sealed class SecurityDiagnosticsController(
 {
     [Authorize(Policy = TikuPolicies.AuthenticatedUser)]
     [HttpGet("authenticated")]
+    [EndpointSummary("诊断已登录用户上下文")]
     public ActionResult<object> Authenticated()
     {
         return Ok(new
@@ -24,6 +25,7 @@ public sealed class SecurityDiagnosticsController(
 
     [Authorize(Policy = TikuPolicies.CurrentTenantMember)]
     [HttpGet("tenant-member")]
+    [EndpointSummary("诊断当前租户成员上下文")]
     public ActionResult<object> TenantMember()
     {
         return Ok(new
@@ -34,6 +36,7 @@ public sealed class SecurityDiagnosticsController(
 
     [Authorize(Policy = TikuPolicies.TenantAdmin)]
     [HttpGet("tenant-admin")]
+    [EndpointSummary("诊断当前租户管理员上下文")]
     public ActionResult<object> TenantAdmin()
     {
         return Ok(new