Pipelinen parannuksia building blockeilla

zipit/loop_runs/baseline_v1/requirements

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+**PROJECT NAME:** Todo Manager
+
+**GOAL:** A simple todo application for individuals to manage their tasks efficiently.
+
+**CORE FEATURES:**
+1. Create a new todo item with title and description.
+2. Read (view) all todos or filter by status (e.g., completed, pending).
+3. Update an existing todo item's details.
+4. Delete a todo item.
+5. Mark a todo as completed.
+6. View the total number of todos.
+7. Search for todos by partial title.
+
+**DATA MODEL:**
+1. **Todo**
+   - id (integer, primary key)
+   - title (string, required)
+   - description (text, optional)
+   - status (enum [completed, pending], default: pending)
+   - created_at (timestamp, auto-generated)
+
+**API ENDPOINTS:**
+1. **POST /todos**: Create a new todo item.
+2. **GET /todos**: Retrieve all todos.
+3. **GET /todos/status/{status}**: Filter todos by status.
+4. **PUT /todos/{id}**: Update an existing todo item.
+5. **DELETE /todos/{id}**: Delete a todo item.
+6. **PATCH /todos/{id}/complete**: Mark a todo as completed.
+7. **GET /todos/count**: Get the total number of todos.
+8. **GET /todos/search?q={query}**: Search for todos by partial title.
+
+**CONSTRAINTS:**
+- Must use SQLite as the database.
+- No authentication is required.