# Watchstop

- [Watchstop](/docs): Runtime-agnostic stopwatch core and framework adapters.
- [Architecture](/docs/architecture): Clock, Store, and Stopwatch layering for Watchstop.
- [Agents](/docs/agents): Acceptance criteria and adopter constraints for implementers.

- **Core**
- Core
  - [Clock](/docs/core/clock): Runtime-agnostic time and scheduling interface.
  - [Store](/docs/core/store): Snapshot get and subscribe contract for framework adapters.
  - [Stopwatch](/docs/core/stopwatch): Elapsed-time Store built on an injectable Clock.

- **Runtimes**
- Runtimes
  - [Browser](/docs/runtimes/browser): requestAnimationFrame clock using performance.now.
  - [Timer](/docs/runtimes/timer): setTimeout clock for Node, Bun, and Deno — one API.
  - [Testing](/docs/runtimes/testing): Mock clock with controllable advance for deterministic tests.

- **Frameworks**
- Frameworks
  - [React](/docs/frameworks/react): @watchstop/react adapter.
  - [Svelte](/docs/frameworks/svelte): @watchstop/svelte adapter.
  - [Vue](/docs/frameworks/vue): @watchstop/vue adapter.
  - [Solid](/docs/frameworks/solid): @watchstop/solid adapter.
  - [Angular](/docs/frameworks/angular): @watchstop/angular adapter.
  - [Qwik](/docs/frameworks/qwik): @watchstop/qwik adapter.
  - [Alpine](/docs/frameworks/alpine): @watchstop/alpine adapter.
  - [Vanilla](/docs/frameworks/vanilla): Use core directly in the browser.
  - [Preact](/docs/frameworks/preact): Use React adapter or core.
  - [Lit](/docs/frameworks/lit): Subscribe from a Lit element.