feat: v0.16.0 — session attribution (user, process ancestry, agent provider)#32
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…rovider Adds attribution.py with collect_attribution() that captures OS user, hostname, PID/PPID, process ancestry chain, agent provider (detected from env vars and process names), and git context (repo, branch, commit). Attribution is stored in SessionMeta.attribution dict and written to meta.json at session start. hooks.py now calls collect_attribution() on every session-start event. Closes #22 Co-authored-by: Ona <no-reply@ona.com>
__dataclass_fields__ is an implementation detail. dataclasses.fields() is the public API and works correctly across Python 3.10–3.13. Co-authored-by: Ona <no-reply@ona.com>
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Closes #22
What
Adds
attribution.pythat captures who/what started a session and stores it inSessionMeta.attribution.Captured fields
os_userpwd.getpwuid/$USERhostnamesocket.gethostname()pid/ppidos.getpid()/os.getppid()process_ancestry/proc/<pid>/commchain (Linux)agent_providerANTHROPIC_API_KEY,CURSOR_SESSION_ID, etc.) + process namesgit_repo/branch/commitgit remote get-url/rev-parseworking_diros.getcwd()hooks.pycallscollect_attribution()on everysession-startevent. Attribution is written tometa.jsonand never modified.Tests
tests/test_attribution.py— 8 tests.