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+# TimeTrack Development Protocol for AI Agents
+
+## OS Context
+
+This project is developed primarily on **Windows**. Detect the host OS and adapt commands accordingly:
+
+- **Windows**: Use `.venv\Scripts\Activate.ps1`, paths with `\`
+- **Linux**: Use `source .venv/bin/activate`, paths with `/`
+
+When in doubt, ask the user which environment they are working on.
+
+---
+
+## Project Overview
+
+**TimeTrack** is a Flask-based web application for tracking time entry and observations.
+- Data persistence with SQLAlchemy and PostgreSQL/SQLite.
+- MVC architecture with Flask Blueprints.
+
+## Build System & Tooling
+
+| Tool | Purpose | Configuration |
+|------|---------|---------------|
+| **pip** | Dependency Manager | `requirements.txt`, `requirements-dev.txt` |
+| **black** | Code formatting | `pyproject.toml` (or default), 88 chars |
+| **isort** | Import sorting | `profile = "black"` |
+| **mypy** | Type checking | `mypy.ini` |
+| **pytest** | Testing | `pytest.ini` or default |
+
+## Python Version Support
+
+- Python 3.10, 3.11+
+
+## Development Setup
+
+```powershell
+# Create virtual environment
+python -m venv .venv
+
+# Activate (Windows PowerShell)
+.venv\Scripts\Activate.ps1
+
+# Install dependencies
+pip install -r requirements.txt
+pip install -r requirements-dev.txt
+```
+
+## Code Quality Commands
+
+### Formatting
+```powershell
+# Check formatting
+black --check app tests
+isort --check-only app tests
+
+# Apply formatting
+black app tests
+isort app tests
+```
+
+### Type Checking
+```powershell
+mypy app tests
+```
+
+### Testing
+```powershell
+# Run all tests with coverage
+pytest tests/ -v --cov=app --cov-report=term-missing
+```
+
+## Project Structure
+
+```
+TimeTrack/
+├── app/                     # Main application package
+│   ├── __init__.py          # App factory
+│   ├── models/              # SQLAlchemy models
+│   ├── routes/              # Flask routes/blueprints
+│   ├── services/            # Business logic
+│   ├── templates/           # HTML templates
+│   └── static/              # CSS, JS, Images
+├── tests/                   # Test suite
+├── migrations/              # Database migrations
+├── requirements.txt         # Production dependencies
+├── requirements-dev.txt     # Development dependencies
+├── run.py                   # Entry point
+└── README.md                # Project overview
+```
+
+## Key Guidelines for AI Agents
+
+1. **Always run quality checks** before committing: `black`, `isort`, `mypy`, `pytest`
+2. **Use type hints** for all new functions and methods
+3. **Write tests** for new functionality
+4. **Follow Flask Best Practices**: application factories, blueprints.
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+# TimeTrack Development Workflow
+
+This document describes the standard development workflow for contributing to TimeTrack.
+
+---
+
+## Quick Reference
+
+| Task | Command |
+|------|---------|
+| Format code | `black app tests && isort app tests` |
+| Check formatting | `black --check app tests && isort --check-only app tests` |
+| Type check | `mypy app` |
+| Run tests | `pytest tests/ -v` |
+| Run app | `flask run` or `python run.py` |
+
+---
+
+## 1. Environment Setup
+
+### First Time Setup
+
+```powershell
+# Clone the repository
+git clone <repo-url>
+cd TimeTrack
+
+# Create virtual environment
+python -m venv .venv
+
+# Activate virtual environment
+# Windows PowerShell:
+.venv\Scripts\Activate.ps1
+
+# Install dependencies
+pip install -r requirements.txt
+pip install -r requirements-dev.txt
+```
+
+---
+
+## 2. Development Cycle
+
+### Writing Code
+
+1. **Make your changes** in `app/`
+2. **Add type hints** to all new functions
+3. **Write tests** in `tests/` for new functionality
+
+### Code Quality Checks
+
+Run these before every commit:
+
+```powershell
+# Format code
+black app tests
+isort app tests
+
+# Type checking
+mypy app
+
+# Run tests
+pytest tests/ -v
+```
+
+### Pre-Commit Checklist
+
+- [ ] Code formatted with black
+- [ ] Imports sorted with isort
+- [ ] mypy passes without errors
+- [ ] All tests pass
+- [ ] New tests added for new functionality
+
+---