feat: add user management workflows

README.md

@@ -5,6 +5,7 @@ Innovation Platform is a Spring Boot based demo for university innovation and en
 ## What is included
 
 - Authentication endpoints powered by Sa-Token
+- User management APIs for admin and profile workflows
 - Project CRUD APIs with pagination
 - Project dashboard statistics endpoint
 - Static admin dashboard prototype at `backend/src/main/resources/static/index.html`
@@ -21,6 +22,14 @@ Innovation Platform is a Spring Boot based demo for university innovation and en
 - `POST /api/auth/login`
 - `POST /api/auth/register`
 - `POST /api/auth/logout`
+- `GET /api/users`
+- `GET /api/users/{id}`
+- `POST /api/users`
+- `PUT /api/users/{id}`
+- `DELETE /api/users/{id}`
+- `GET /api/users/teachers`
+- `POST /api/users/change-password`
+- `PUT /api/users/profile`
 - `GET /api/projects`
 - `GET /api/projects/stats`
 - `GET /api/projects/{id}`
@@ -43,3 +52,4 @@ When the backend is running, open `/index.html` to use the lightweight dashboard
 - This repository snapshot was recovered from an archive, so local build and runtime validation depend on the target machine having Java and Maven available.
 - The current environment used for editing did not include a working Maven installation, so changes were verified statically only.
 - The SQL bootstrap files were refreshed into a clean UTF-8 seed set and made idempotent with `ON DUPLICATE KEY UPDATE`.
+- Upstream user-management changes were reconciled into this branch with DTO-based responses so password hashes are not exposed from `/api/users`.