Add claude.md

Author: jamesliupenn

CLAUDE.md

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+# dimo-python-sdk
+
+Python SDK for the DIMO platform. Published to PyPI as `dimo-python-sdk`.
+
+## Stack
+- Python 3.8+, setuptools
+- Dependencies: requests, eth-account, eth-utils
+- Testing: pytest
+
+## Key Commands
+```bash
+# Setup
+pip install -r requirements.txt
+pip install -e .              # install locally in editable mode
+
+# Test
+pytest                        # run all tests
+pytest -v                     # verbose output
+pytest tests/test_dimo.py -v  # run specific file
+
+# Publish (maintainers only)
+python -m build
+twine upload dist/*
+```
+
+## Project Structure
+```
+dimo/         # Main SDK package
+  __init__.py
+  ...
+tests/        # pytest test suite
+  test_dimo.py
+  test_conversations.py
+  test_errors.py
+  test_permission_decoder.py
+  test_request.py
+pyproject.toml  # package metadata and build config
+requirements.txt
+```
+
+## Development Guidelines
+- Public API changes require version bump in `pyproject.toml`
+- All new functionality needs corresponding tests
+- Test coverage covers: auth, API endpoints, GraphQL queries, error handling
+- Supports Python 3.8+ — avoid syntax or stdlib features newer than 3.8
+
+## Gotchas
+- eth-account version is pinned (`==0.13.4`) — don't change without testing wallet flows
+- Run `pytest` before any PR — CI will fail on test failures
+- The SDK talks to live DIMO APIs in integration tests; use mocks for unit tests