Spots: the spotter and the spot inspector, passwords kept apart

Two processes, one NNTP connection each (the coordinator 40 -> 38):
- spots:read (service spotter): free.pt's overviews after the last article
  seen, each spot's full header verified (lib/spotnet from voyager 1, as
  Spotweb), its description, website and NZB articles; the password its
  title or text names; delete/dispose messages applied.
- spots:inspect (service spot-inspector): each spot's compressed NZB read,
  its files listed (spot_files), each matched to the header pass's release
  by the same release identity in one of its groups within 48 h
  (release_spots); unmatched spots matched again hourly, after 24 h a
  release of their own (source spot) with the spot's NZB.
- release_passwords: per release and password, its source (nzb, spot-title,
  spot-text) and spot; the catalog keeps only passworded.
XoverClient.head(); PROBE_CONNECTIONS default 10.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

config/coordinator.ts

@@ -77,6 +77,19 @@ export default {
     /** BODY commands in flight per connection (pipelined; XoverClient.bodies). */
     pipeline: env.get('PROBE_PIPELINE', 8),
   },
+  /**
+   * Spotnet spots (app/services/spotter.ts, spot_inspector.ts): the group the spots are posted in, how many of
+   * its last articles the spotter reads the first time (~215 spots a day: ~3 months), how often it looks again,
+   * the most articles an NZB may take, and how long an inspected spot whose files match no release waits for
+   * the header pass before it becomes a release of its own.
+   */
+  spots: {
+    group: env.get('SPOT_GROUP', 'free.pt'),
+    backfill: env.get('SPOT_BACKFILL', 20_000),
+    everySeconds: env.get('SPOT_EVERY_SECONDS', 120),
+    maxNzbSegments: env.get('SPOT_MAX_NZB_SEGMENTS', 64),
+    standaloneAfterHours: env.get('SPOT_STANDALONE_AFTER_HOURS', 24),
+  },
   /** Stored XOVER chunks of ranges marked `capture`, for the grouping sweeps (app/services/corpus.ts). Off when unset. */
   corpus: {
     dir: env.get('CORPUS_DIR'),