47e0f80786
Cyclone previously emitted stdlib default-formatted log lines that
operators couldn't parse with anything beyond grep. SP18 replaces
that with:
- JsonFormatter: newline-delimited JSON, ISO-8601 ms timestamps,
structured "extra" dict, exception tracebacks serialized as a
single string.
- CycloneDevFormatter: tabular format for tail -f in dev.
- PiiScrubber: logging.Filter that redacts NPIs, SSNs, DOBs,
patient names — both inline in the message ("npi 1881068062")
and via PHI-keyed extras ({"dob": "1980-04-12"}).
- setup_logging(): idempotent entry point used by the API lifespan
and CLI main; respects CYCLONE_LOG_LEVEL/FILE/JSON/NO_PII_SCRUB.
- CLI --log-format=json|dev + --log-file=… flags.
- Migrate 9 highest-value log sites in scheduler/backup_scheduler/
backup_service to use extra={...} (input_filename, claims, parser,
backup_id, db_fingerprint, etc.).
34 new tests (test_logging_formatter + test_logging_scrubber +
test_logging_setup). All 867 backend tests pass.