diff --git a/tester/v1/openapi.yaml b/tester/v1/openapi.yaml
index f59f513..30e3efb 100644
--- a/tester/v1/openapi.yaml
+++ b/tester/v1/openapi.yaml
@@ -113,7 +113,7 @@ paths:
           example: 3
       requestBody:
         required: true
-        content: 
+        content:
           application/json:
             schema:
               $ref: '#/components/schemas/UploadProblemRequest'
@@ -218,7 +218,7 @@ paths:
           description: OK
   /tasks:
     post:
-      operationId: AddTask
+      operationId: CreateTask
       security:
         - bearerAuth: [ ]
       parameters:
@@ -242,7 +242,7 @@ paths:
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/AddTaskResponse'
+                $ref: '#/components/schemas/CreateTaskResponse'
   /tasks/{id}:
     get:
       operationId: GetTask
@@ -313,7 +313,7 @@ paths:
               schema:
                 $ref: '#/components/schemas/ListParticipantsResponse'
     post:
-      operationId: AddParticipant
+      operationId: CreateParticipant
       security:
         - bearerAuth: [ ]
       parameters:
@@ -337,7 +337,7 @@ paths:
           content:
             application/json:
               schema:
-                $ref: '#/components/schemas/AddParticipantResponse'
+                $ref: '#/components/schemas/CreateParticipantResponse'
     delete:
       operationId: DeleteParticipant
       security:
@@ -509,6 +509,159 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/GetMonitorResponse'
+  /auth/terminate:
+    post:
+      operationId: Terminate
+      security:
+        - bearerAuth: [ ]
+      responses:
+        "200":
+          description: OK
+          content: { }
+  /auth/login:
+    post:
+      operationId: Login
+      security:
+        - BasicAuth: [ ]
+      responses:
+        "200":
+          description: OK
+          content: { }
+        "404":
+          description: Not Found
+          content: { }
+  /auth/logout:
+    post:
+      operationId: Logout
+      security:
+        - bearerAuth: [ ]
+      responses:
+        "200":
+          description: OK
+          content: { }
+  /auth/refresh:
+    post:
+      operationId: Refresh
+      security:
+        - bearerAuth: [ ]
+      responses:
+        "200":
+          description: OK
+          content: { }
+  /auth/sessions:
+    get:
+      operationId: ListSessions
+      security:
+        - bearerAuth: [ ]
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ListSessionsResponse'
+  /users:
+    post:
+      operationId: CreateUser
+      security:
+        - bearerAuth: [ ]
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/CreateUserRequest'
+        required: true
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/CreateUserResponse'
+    get:
+      operationId: ListUsers
+      parameters:
+        - name: page
+          in: query
+          required: true
+          schema:
+            type: integer
+            format: int32
+          example: 1
+        - name: pageSize
+          in: query
+          required: true
+          schema:
+            type: integer
+            format: int32
+          example: 20
+      security:
+        - bearerAuth: [ ]
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ListUsersResponse'
+  /users/{id}:
+    get:
+      operationId: GetUser
+      security:
+        - bearerAuth: [ ]
+      parameters:
+        - name: id
+          in: path
+          required: true
+          schema:
+            type: integer
+            format: int32
+          example: 2
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/GetUserResponse'
+    delete:
+      operationId: DeleteUser
+      security:
+        - bearerAuth: [ ]
+      parameters:
+        - name: id
+          in: path
+          required: true
+          schema:
+            type: integer
+            format: int32
+          example: 3
+      responses:
+        "200":
+          description: OK
+          content: { }
+    patch:
+      operationId: UpdateUser
+      security:
+        - bearerAuth: [ ]
+      parameters:
+        - name: id
+          in: path
+          required: true
+          schema:
+            type: integer
+            format: int32
+          example: 3
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/UpdateUserRequest'
+        required: true
+      responses:
+        "200":
+          description: OK
+          content: { }
 components:
   schemas:
     Pagination:
@@ -775,8 +928,8 @@ components:
               task:
                 $ref: '#/components/schemas/TasksListItem'
               solution:
-                $ref: '#/components/schemas/Solution'
-    AddParticipantResponse:
+                $ref: '#/components/schemas/SolutionsListItem'
+    CreateParticipantResponse:
       type: object
       required:
         - id
@@ -785,7 +938,7 @@ components:
           type: integer
           format: int32
           example: 1
-    AddTaskResponse:
+    CreateTaskResponse:
       type: object
       required:
         - id
@@ -1236,6 +1389,124 @@ components:
           type: array
           items:
             $ref: '#/components/schemas/SolutionsListItem'
+    CreateUserRequest:
+      type: object
+      required:
+        - username
+        - password
+      properties:
+        username:
+          type: string
+          example: user123
+        password:
+          type: string
+          example: password123
+    CreateUserResponse:
+      type: object
+      required:
+        - id
+      properties:
+        id:
+          type: integer
+          format: int32
+          example: 13
+    GetUserResponse:
+      type: object
+      required:
+        - user
+      properties:
+        user:
+          $ref: '#/components/schemas/User'
+    UpdateUserRequest:
+      type: object
+      properties:
+        username:
+          type: string
+          example: user123
+        role:
+          type: integer
+          format: int32
+          example: 1
+    User:
+      type: object
+      required:
+        - id
+        - username
+        - createdAt
+        - modifiedAt
+        - role
+      properties:
+        id:
+          type: integer
+          format: int32
+          example: 13
+        username:
+          type: string
+          example: user123
+        createdAt:
+          type: string
+          format: date-time
+        modifiedAt:
+          type: string
+          format: date-time
+        role:
+          type: integer
+          format: int32
+          example: 1
+    Session:
+      type: object
+      required:
+        - id
+        - userId
+        - role
+        - createdAt
+        - expiresAt
+        - userAgent
+        - ip
+      properties:
+        id:
+          type: string
+        userId:
+          type: integer
+          format: int32
+          example: 13
+        role:
+          type: integer
+          format: int32
+          example: 1
+        createdAt:
+          type: string
+          format: date-time
+        expiresAt:
+          type: string
+          format: date-time
+        userAgent:
+          type: string
+          example: Mozilla/5.0
+        ip:
+          type: string
+          example: 154.23.50.1
+    ListSessionsResponse:
+      type: object
+      required:
+        - sessions
+      properties:
+        sessions:
+          type: array
+          items:
+            $ref: '#/components/schemas/Session'
+    ListUsersResponse:
+      type: object
+      required:
+        - users
+        - pagination
+      properties:
+        users:
+          type: array
+          items:
+            $ref: '#/components/schemas/User'
+        pagination:
+          $ref: '#/components/schemas/Pagination'
   securitySchemes:
     bearerAuth:
       type: http