# 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

```
Todo-sovellus FastAPI + SQLite, CRUD-endpointit ja testit
```

## Tulos

```
### PROJECT NAME: Todo-App

### GOAL:
Create a simple task manager application for individuals to keep track of their daily tasks.

### CORE FEATURES:
1. **Add Task**: Users can add new tasks with title and description.
2. **View Tasks**: Users can see all their tasks in a list.
3. **Edit Task**: Users can update the details of an existing task.
4. **Delete Task**: Users can remove tasks they no longer need.
5. **Mark as Complete**: Users can mark tasks as completed.
6. **Filter Tasks**: Users can filter tasks by status (e.g., pending, completed).
7. **Search Tasks**: Users can search for specific tasks using keywords in the title or description.

### DATA MODEL:
- **Tasks**
  - `id` (integer, primary key)
  - `title` (string, required)
  - `description` (text)
  - `status` (enum: "pending", "completed")
  - `created_at` (timestamp)

### API ENDPOINTS:
1. **GET /tasks**: Retrieve a list of all tasks.
2. **POST /tasks**: Create a new task with title, description, and status.
3. **PUT /tasks/{id}**: Update an existing task by ID.
4. **DELETE /tasks/{id}**: Delete a task by ID.
5. **GET /tasks/status/{status}**: Retrieve tasks filtered by status.

### CONSTRAINTS:
- Must use SQLite as the database.
- No authentication required for simplicity.
```