feat: init

AGENTS.md

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+## Code Principles
+- **Simplicity**: Write simple, straightforward code
+- **Readability**: Make code easy to understand
+- **Performance**: Consider performance without sacrificing readability
+- **Maintainability**: Write code that's easy to update
+- **Reusability**: Create reusable components and functions
+- **Less Code = Less Debt**: Minimize code footprint
+- **NEVER write comments** - code should be self-documenting
+
+## Checking commands
+After writing code, always run:
+```shell
+ruff format  # format
+ruff check --fix  # lint
+ty check  # type-check
+```
+
+## Common mistakes
+### Motor deprecation
+Remember that we use Beanie ODM > 2.0. It is using pymongo (async) instead of motor.
+Prefer fetching beanie docs if doing something specific.
+
+### Timezone-naive datetimes
+While working with datetime values, especially stored in databases, ensure that you 
+NEVER compare timezone-naive and timezone-aware datetimes.