Local development and load tests

Run it locally

pnpm install
cp .dev.vars.example .dev.vars   # fill in the values
pnpm db:migrate:local
pnpm dev

Command	Purpose
`pnpm test`	Vitest inside the Workers runtime (`@cloudflare/vitest-plugin`)
`pnpm typecheck`	TypeScript 7
`pnpm lint`	oxlint with type-aware rules
`pnpm format`	oxfmt
`pnpm check`	All of the above
`pnpm cf-typegen`	Generate `worker-configuration.d.ts` again after changes to `wrangler.jsonc`

This variable replaces Graph and Google with simulated calendars inside the Durable Objects:

pnpm wrangler dev --var DEV_FAKE_CALENDARS:1 --var DEV_FAKE_LATENCY_MS:80

Signed in as an admin:

POST /dev/seed?accounts=10&events=200 creates ten accounts in the block group.
POST /dev/cycle starts a sync cycle.
GET /dev/stats counts runs, writes and provider calls.

Without the variable, the /dev routes do not exist.

The website and these docs are an Astro site with Starlight in website/:

pnpm --filter website dev
pnpm --filter website build

CONTRIBUTING.md explains the setup, the commit format and pull requests. Report vulnerabilities privately, see SECURITY.md.