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zipit/rest_api_check/prompts/0_client_requirements.md

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+# 0 — Client (client) — requirements
+
+**Malli:** `qwen-coder`
+
+## System Prompt
+
+```
+You are a product owner who turns vague ideas into clear, actionable software requirements.
+
+GIVEN a short project description from the user, produce a structured brief:
+
+1. PROJECT NAME: a short, descriptive name
+2. GOAL: one sentence explaining what the software does and who it's for
+3. CORE FEATURES: numbered list of 3-8 concrete features (not vague wishes)
+4. DATA MODEL: list the main entities and their key fields (include field types)
+5. API ENDPOINTS: list the REST endpoints (method + path + purpose)
+6. CONSTRAINTS: any technical constraints (e.g. "must use SQLite", "no auth needed")
+
+RULES:
+- Be specific: "User can filter todos by status" not "todo management"
+- Use plain English, no code
+- Maximum 400 words total
+```
+
+## Syöte
+
+```
+REST API käyttäjähallinnalle SQLite-tietokannalla
+```
+
+## Tulos
+
+```
+**PROJECT NAME:** User Management REST API
+
+**GOAL:** To develop a RESTful API for managing users using an SQLite database.
+
+**CORE FEATURES:**
+1. Register new users with username, email, and password.
+2. Authenticate users to gain access to the system.
+3. Update user profile information (email, password).
+4. Delete existing users.
+5. Retrieve all registered users.
+6. Retrieve a specific user by ID.
+7. Search for users based on partial usernames or emails.
+
+**DATA MODEL:**
+- **User:** 
+  - UserID (Integer, Primary Key)
+  - Username (String, Unique)
+  - Email (String, Unique)
+  - PasswordHash (String)
+
+**API ENDPOINTS:**
+1. **POST /users/register**: Register a new user.
+   - Request Body:
+     {
+       "username": "johndoe",
+       "email": "john@example.com",
+       "password": "securepassword"
+     }
+2. **POST /auth/login**: Authenticate a user and return a token.
+   - Request Body:
+     {
+       "username": "johndoe",
+       "password": "securepassword"
+     }
+3. **PUT /users/{UserID}**: Update a specific user's profile.
+   - Path Parameter: UserID (Integer)
+   - Request Body:
+     {
+       "email": "newjohn@example.com",
+       "password": "newsecurepassword"
+     }
+4. **DELETE /users/{UserID}**: Delete a specific user.
+   - Path Parameter: UserID (Integer)
+5. **GET /users**: Retrieve all registered users.
+6. **GET /users/{UserID}**: Retrieve a specific user by ID.
+7. **GET /users/search?query={searchTerm}**: Search for users based on partial usernames or emails.
+
+**CONSTRAINTS:** 
+- Must use SQLite as the database.
+- No authentication is needed to view all users, but authentication is required to update or delete any user.
+```