CrossTide

Add a new route card to the CrossTide app. Use when: adding a new view or page, creating a new CardModule, registering a new route, or wiring a card into the router, registry and test guards. Produces a complete card with registry entry, router route, view container, unit tests and E2E coverage.

Add a new technical indicator to the CrossTide domain layer. Use when: implementing a new calculator (RSI/MACD-style), adding a signal method to the consensus engine, or extending screener/backtest inputs. Covers purity constraints, the calculator + series export pair, consensus registration, property tests and generated docs.

Add a new Hono route to the CrossTide Cloudflare Worker. Use when: adding a new API endpoint, integrating a new market data provider, exposing a new server-side calculation, or adding a new WebSocket fan-out. Produces a complete, production-ready integration with KV cache, Valibot validation, rate limit, OpenAPI entry, and tests.

Debug broken API calls and fetch failures in CrossTide. Use when: a card shows an error state, data is not loading or stale, worker route returns 502, provider chain failing, or fetch never resolves. Covers worker tail logs, KV state inspection, fixture comparison, and common failure patterns.

Deploy CrossTide to Cloudflare Workers and Pages, provision KV/D1/R2 resources, verify production health, or troubleshoot deployment failures. Use when deploying, provisioning, rolling back, or checking production.

Create, apply, verify, or troubleshoot CrossTide Cloudflare D1 migrations. Use when changing database schema, applying migrations locally or remotely, checking migration status, or planning rollback migrations.

Create a versioned release of CrossTide. Use when: bumping the version number, publishing a new release, updating CHANGELOG, tagging a git commit, or preparing a GitHub release. Covers the full release checklist from version bump to git tag.

Add or update tests in the CrossTide test suite. Use when: adding a new domain function, new worker route, new card module, changing a type or constant, fixing broken test assertions, or when coverage drops below the threshold gate. Covers Vitest 4 + happy-dom, domain purity tests, worker mock tests, and card unit tests.

Get a new CrossTide contributor from clone to merged PR. Use when: setting up the repo for the first time, answering 'where do I start', picking a good first issue, explaining the layer architecture and quality gates, or diagnosing a failing local setup.