chore: cleanup build artifacts and add .gitignore

.gitignore

@@ -1,31 +1,79 @@
-.venv/
-.venv312/
+# Python
 __pycache__/
+*.py[cod]
+*$py.class
 *.pyc
-.vscode/
-.env
-.DS_Store
-.idea/
-logs/
-*.log
-coverage/
-_toDelete/
-_toDelete/
-dist/
-build/
+*.so
+.Python
 *.egg-info/
 .ipynb_checkpoints/
-.envrc
+
+# Virtual environments
+.venv/
+.venv312/
+.venv-*/
+venv/
+ENV/
+env/
+
+# Build artifacts
+dist/
+build/
+*.spec
+wheelhouse/
+
+# PyInstaller temporary files
+src/*_frozen.py
+
+# Testing
 .pytest_cache/
+.cache/
+coverage/
+
+# Type checking
 .mypy_cache/
 .pyre/
 .pytype/
-.cache/
+
+# IDEs
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Environment
+.env
+.envrc
+
+# Logs
+logs/
+*.log
+
+# Database
 *.sqlite3
 *.db
-*.asc
-.venv/
+
+# Project specific
 .wallet/
+releases/*/
+_toDelete/
 .potentialfix.md
-# But keep this specific one
+
+# PGP keys (except test data)
+*.asc
 !tests/data/recipient.asc
+
+# Vendor cleanup (wrong architectures/test builds)
+vendor/linux-aarch64/
+vendor/macos-arm64-docker/
+vendor/*-docker/
+
+# Keep official vendor directories
+# vendor/macos-arm64/
+# vendor/linux-x86_64/
+# vendor/PROVENANCE.md