kenneth bb92c9f227 feat(backend): add LLM-powered feed enhancement
Add enhancement harness that fills feed item slots and
generates synthetic items via OpenRouter.

- LLM client with 30s timeout, reusable SDK instance
- Prompt builder with mini calendar and week overview
- arktype schema validation + JSON Schema for structured output
- Pure merge function with clock injection
- Defensive fallback in feed endpoint on enhancement failure
- Skips LLM call when no unfilled slots or no API key

Co-authored-by: Ona <no-reply@ona.com>
2026-03-05 01:20:34 +00:00
2026-01-16 00:56:55 +00:00
2026-01-16 00:56:55 +00:00
2026-01-16 23:51:05 +00:00
2026-01-16 00:56:55 +00:00

aris

To install dependencies:

bun install

Packages

@aris/source-tfl

TfL (Transport for London) feed source for tube, overground, and Elizabeth line alerts.

Testing

cd packages/aris-source-tfl
bun run test

Fixtures

Tests use fixture data from real TfL API responses stored in fixtures/tfl-responses.json.

To refresh fixtures:

bun run fetch-fixtures
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