20260914 完善OSS日志与daemon部署

docs/usage.md

@@ -76,6 +76,15 @@ The append-only summary history is not trimmed by retention.
 
 ## Outputs and diagnostics
 
+`validator.log` is the per-run diagnostic log, not an error-only file.
+`process-output.txt` captures ordinary child output and is normally empty.
+Old runs keep their historical filenames; collectors support `stderr.log` as a fallback.
+Every ten seconds, info logs report the current stage and available progress counters.
+Use `--log-progress-interval-secs 0` to disable periodic events; stage events remain.
+`statistics_age_ms` identifies stale statistics; `progress_stalled` means no observed
+completion for thirty seconds, not a proven deadlock. Totals and percentages are not guessed.
+Events include `run_id` and, under daemon, `run_seq`. Controller logs remain separate.
+
 `vrps.csv` contains `asn,prefix,max_length`. CCR contains canonical state;
 duplicate routing payloads can collapse into a single CCR entry. Count raw
 rows and normalized unique payloads separately when comparing outputs.
@@ -83,7 +92,7 @@ ASPA canonicalization groups providers by customer ASN.
 
 Use `--log-level debug` for diagnosis, or `trace` for detailed object/worker
 events. Logs are written to stderr and can be redirected independently from
-outputs. In daemon mode, inspect per-run `stderr.log` and the controller's
+outputs. In daemon mode, inspect per-run `validator.log` and the controller's
 `daemon-status.json` and `run-summary.jsonl`.
 
 | Symptom | Action |