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Central - data hub spine. Adapters -> NATS/JetStream -> archive.
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Matt Johnson 9d4ba97537 refactor(nws): remove internal AsyncLimiter rate limiting 
The NWSAdapter had an internal AsyncLimiter that duplicated the
supervisor's rate-limit guarantee. When cadence changed, only
state.adapter.cadence_s was updated, not the internal limiter,
causing the cadence-decrease bug.

Since the supervisor already enforces rate limiting via
last_completed_poll + cadence_s scheduling, the adapter-level
limiter was redundant and caused the 30-second blocking observed
in diagnostic logs.

Removes:
- aiolimiter import
- self.cadence_s attribute (unused elsewhere)
- self._limiter creation
- async with self._limiter context in _fetch_alerts

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-05-16 17:17:11 +00:00
docs docs: add environment reference and bug investigation report 2026-05-16 05:59:53 +00:00
etc-templates
scripts
sql feat(db): add migration 002 for updated_at trigger and enabled index 2026-05-16 01:36:30 +00:00
src/central refactor(nws): remove internal AsyncLimiter rate limiting 2026-05-16 17:17:11 +00:00
systemd docs: add systemd unit files with EnvironmentFile directive 2026-05-16 02:38:21 +00:00
tests test: add hot-reload integration tests for cadence changes 2026-05-16 05:59:35 +00:00
.gitignore
.python-version foundation: models, adapter ABC, config, CE wire, schema 2026-05-15 21:08:56 +00:00
LICENSE
pyproject.toml feat(config): add CLI smoke command and dependencies 2026-05-15 23:08:03 +00:00
README.md
uv.lock foundation: models, adapter ABC, config, CE wire, schema 2026-05-15 21:08:56 +00:00

README.md

Central

Central is the data hub spine for the infrastructure. Adapters normalize upstream sources into a canonical event shape, publish CloudEvents to NATS/JetStream, and archive to TimescaleDB for historical query. Single-LXC deployment.

Status

Phase 0 — scaffold. Not yet operational.

Architecture

  • Python 3.12 (uv-managed)
  • NATS + JetStream for live event bus
  • TimescaleDB + PostGIS for archive and geospatial query
  • One supervisor process managing adapter lifecycle
  • One archive consumer process persisting events to TimescaleDB
  • Both processes systemd-managed

License

MIT. See LICENSE.