first commit

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitignore

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+# Python
+__pycache__/
+*.py[oc]
+build/
+dist/
+wheels/
+*.egg-info
+
+# Virtual environments
+.venv
+
+# UV
+uv
+uv.lock
+
+# Captures (binary data, not tracked)
+captures/
+
+# Claude Code
+.claude/