EpicenterHQ/epicenter - Page 2

github-issues

GitHub issue comment guidelines for community interaction. Use when: "respond to this issue", "reply to this bug report", "close this issue", or any GitHub discussion.

one-sentence-test

Force one concrete sentence to find orphaned surfaces, duplicate verbs, inert abstractions. Use for "what does X actually do", "in one sentence", "too many options", or auditing whether a surface or abstraction is coherent. For a plain code-comprehension…

spec-execution

Execute `specs/*.md` plans through working checkpoints. Use when the user says "execute this spec", "implement this plan", "run the spec", or points at a spec file.

testing

Test file conventions: setup functions, factories, Result assertion helpers, organization, type testing, naming, and pruning low-value tests. Use when: "write tests", "add a test", "fix this test", "delete tests", "prune tests", "audit tests", or modifying…

arktype

Arktype: runtime validation, discriminated unions with .merge()/.or(), spread keys. Use when mentioning arktype, type(), union types, command/event schemas.

autumn

Autumn billing in Epicenter: `autumn.config.ts`, `autumn-js` credit checks, `atmn` CLI, plan gates, and metered AI usage. Use when changing billing, pricing, credits, plan access, refunds, or usage events.

better-auth-best-practices

Better Auth server/client setup: `auth.ts`, generated schema, DB adapters, sessions, cookies, env vars, and plugins. Use when mentioning Better Auth, betterauth, auth handlers, OAuth, email/password, or session configuration.

cloudflare-workers

Cloudflare Workers patterns for Worker runtime APIs, Durable Objects, KV, R2, D1, Queues, WebSockets, streaming responses, bindings, wrangler configuration, and deployment limits. Use when users mention Cloudflare Workers, Durable Objects, KV, R2, D1, Queues,…

code-audit

Codebase-specific smell catalog with calibrated grep recipes: duck-typing at boundaries, yargs argv re-assertions, value-discarding promise tails, console.* in library code, exhaustive `never` over-broad unions, single-method `Pick` deps, `*Like` boundary…

drizzle-orm

Drizzle ORM patterns: schema definitions, Drizzle Kit migrations, query builders, type branding, custom types, SQLite, Postgres, D1, and Turso/libSQL boundaries. Use when mentioning Drizzle, drizzle-orm, DB schemas, migrations, branded column types, or typed…

git

Git commits and branches using Epicenter conventions. Use when staging files, writing commit messages, splitting commits, checking standalone commits, creating branches, or inspecting commit history. For pull request titles and bodies, use the pull-request…

hono

Hono patterns for TypeScript API routes, middleware, request and response typing, streaming, WebSockets, and Cloudflare Workers deployment. Use when users mention Hono, honojs, Cloudflare Worker handlers, Hono middleware, or Hono route typing.

pull-request

Draft and review durable GitHub pull request titles and bodies for Epicenter. Use when creating a PR, running gh pr create, drafting or editing a PR body, writing changelog entries, linking issues, choosing merge strategy, or reviewing PR text. For local…

refactoring

Per-change refactoring mechanics: count callers exactly, decide inline vs keep, collapse duplicate switch branches, route raw access through a single typed boundary, surgical one-change-per-commit, post-refactor straggler sweep for stale JSDoc and dead…

rust-errors

Rust to TypeScript error handling for Tauri apps. Use when mentioning Rust errors, Tauri command errors, invoke errors, or defining Rust error types for TS consumption.

social-media

Social media post guidelines for LinkedIn, Reddit, Twitter/X. Use when: "post on LinkedIn", "write a tweet", "draft a Reddit post", "share this", drafting announcements.

type-level-error-messages

Make compile-time errors readable by branding constraint-violation types as template literal messages with a U+200B zero-width-space suffix. Use when writing helper functions that constrain object keys, string shapes, or other literal-type inputs and you want…

auth

Epicenter auth packages: `@epicenter/auth` and the Svelte wrapper at `@epicenter/svelte/auth`, OAuth sessions, identity state, auth-owned fetch/WebSocket, and workspace boot selection. Use when editing Epicenter auth clients, session state, hosted sign-in, or…

caveman

Ultra-compressed communication mode. Cuts token usage ~75% by dropping filler, articles, and pleasantries while keeping full technical accuracy. Use when user says "caveman mode", "talk like caveman", "use caveman", "less tokens", or invokes /caveman. A…

govuk-style

Write and edit in GOV.UK / GDS house style: plain English, active voice, front-loaded content, sentence case, and no bold or italics for emphasis. Use when the user asks for GOV.UK or GDS style, or when writing reports, research write-ups, or guidance for…

svg-animations

SVG animation: SMIL, CSS keyframes, stroke path drawing, shape morphing, motion paths. Use when animating an SVG (spinners, animated logos, draw-in effects, morphing icons). Not for static SVG drawing or icon layout.

agent-goal

Create a slash-command `/goal` for long-running Codex or Claude Code work when the user explicitly asks for a `/goal`, agent goal, or completion condition. Outputs one goal line with the objective, starting context, validation evidence, and stop condition.

attach-primitive

Contract and invariants for `attach*` composition primitives in `packages/workspace` (side-effectful building blocks like attachIndexedDb, attachSqlite, attachBroadcastChannel, attachBunSqliteMaterializer, attachMarkdownMaterializer, openCollaboration), and…

standalone-commits

Make commits reviewable and auditable as self-contained units, and order multi-file changes into atomic dependency-ordered waves. Use when planning commits, 'split this into commits', 'break this up', 'commit strategy', splitting work into waves, staging…

worktree-hygiene

Reap merged git worktrees and branches safely across the warp, codex, opencode, and conductor harnesses. Use when worktrees pile up, after a branch merges, when cleaning up `git worktree list`, removing an orphaned or detached worktree, or deciding whether a…

diagnose

Disciplined diagnosis loop for hard bugs and performance regressions. Reproduce → minimise → hypothesise → instrument → fix → regression-test. Use when user says "diagnose this" / "debug this", reports a bug, says something is broken/throwing/failing, or…

prototype

Build a throwaway prototype to flesh out a design before committing to it. Routes between two branches: a runnable terminal app for state/business-logic questions, or several radically different UI variations toggleable from one route. Use when the user wants…

turso

Turso and libSQL patterns for embedded SQLite-compatible databases, serverless drivers, sync engines, partial sync, WAL/MVCC behavior, compatibility gaps, CLI usage, and Drizzle integration boundaries. Use when mentioning Turso, libSQL, @libsql/client, remote…

grill-me

Interview the user relentlessly about a plan to reach shared understanding, resolving each branch of the decision tree. Use when stress-testing a plan or "grill me".

better-auth-security-best-practices

Better Auth security hardening: rate limits, secrets, CSRF, trusted origins, cookies, sessions, OAuth tokens, and audit logging. Use when reviewing auth security, brute-force protection, token handling, or deployment safety.

sveltekit

SvelteKit routing, load functions, server-only modules, form actions, hooks, cookies, env, adapters, and invalidation. Use when editing +page.ts, +page.server.ts, +layout.ts, +server.ts, hooks.server.ts, app.d.ts, or SvelteKit route behavior.

wxt

WXT browser extension patterns for entrypoints, background service workers, content scripts, side panels, storage, permissions, host permissions, browser compatibility, and build commands. Use when editing apps/tab-manager, wxt.config.ts, src/entrypoints,…