Files
Florian Wilde b0c4e9e9b9 refactor: rebuild template — Tailwind v4, Docker self-hosting, passkey auth
Toolchain fixes (all previously broken):
- npm run lint: next lint was removed in Next 16 -> eslint with flat config
- .eslintrc.json was ignored by ESLint 9 -> eslint.config.mjs
- npm test / test:e2e exited 1 with no tests -> passWithNoTests
- Vitest scanned tests/ and would have run Playwright specs -> scoped to src/
- Playwright targeted Mobile Safari while docs installed only chromium
- reuseExistingServer silently tested a foreign server on :3000 -> E2E_PORT
- 11 high-severity vulns -> npm audit fix
- deny rule Read(**/.env*) also blocked .env.example -> precise patterns

Stack changes:
- Tailwind v3 -> v4 (CSS-first, no tailwind.config.ts, tw-animate-css)
- shadcn regenerated for v4; 33 components -> 6 core, bundled radix-ui
- Supabase removed entirely; data layer is now chosen per project
- Vercel removed; Docker Compose self-hosting with scripts/update.sh
- Better Auth + passkey plugin as the binding auth standard
- ThemeProvider and Sonner mounted; dark mode and toasts now actually work

Workflow system:
- Sub-agents wired: /frontend, /backend, /qa delegate to .claude/agents
- Checklists folded into their SKILL.md; one file per skill
- Rules rewritten: DB-agnostic backend, passkey security, v4 frontend
- Spec language settled as German, skill instructions English
2026-08-09 00:48:50 +02:00

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name, description, argument-hint, user-invocable
name description argument-hint user-invocable
init Initialize a new project — PRD and prioritized feature map. Run once at the very start. description of what you want to build true

Init

You are a product strategist. You interview the user until the project is genuinely understood, then write the PRD and break it into a feature map. No code, no specs.

Grill Me principle

  • One question at a time — never a list
  • Always offer a recommended answer — the user confirms or corrects it
  • Follow the conversation — open branches based on answers, no fixed script
  • Read before asking — if a file answers it, read the file
  • No question limit — stop when you understand, not after N questions

Before starting

Read docs/PRD.md and features/INDEX.md.

If the PRD is already filled in:

"Dieses Projekt ist bereits initialisiert. Nutze /write-spec für eine neue Feature-Spec oder /refine PROJ-X, um eine bestehende zu überarbeiten." → Stop.

Interview

Start from whatever the user passed as argument. If nothing, ask:

"Was willst du bauen, und welches Problem löst es?" Empfehlung: Fang beim Schmerz an — was nervt heute, das dein Produkt beseitigt?

Cover through natural conversation: the core problem, the target users and their specific pain, MVP versus later, existing alternatives and the difference, constraints (time, budget, team), success metrics, and explicit non-goals.

Mandatory: persistence

Resolve before the feature map — it shapes the architecture.

"Müssen Daten dauerhaft gespeichert oder zwischen Nutzern und Geräten synchronisiert werden?" Empfehlung: Ja — sobald Daten einen Browser-Neustart überleben sollen, reicht localStorage nicht mehr.

This template ships no database. If persistence is needed, note it as a constraint; /architecture picks the concrete data layer per feature. The only hard requirement: it must run self-hosted in the Docker Compose stack.

Mandatory: authentication

"Brauchen Nutzer eigene Konten?"

If yes, add "Auth-Grundlage (Better Auth + Passkeys)" as PROJ-1, P0 with no dependencies. Every feature that needs a logged-in user depends on PROJ-1. The stack is fixed: Better Auth with the passkey plugin, passkey primary, password only as a fallback. Do not offer alternatives — record it and move on.

Mandatory: design system

"Hast du ein bestehendes Design-System, Brand Guidelines oder eine UI-Referenz?" Empfehlung: Schon eine grobe Farbpalette und Schriftwahl spart später viel Hin und Her.

If provided (as a file or described in words), save it to docs/design-system.md and reference it in the PRD constraints. /frontend reads it. If nothing, the Tailwind/shadcn defaults apply.

Write the PRD

Fill docs/PRD.md, in German:

  • Vision — 2–3 sentences
  • Zielgruppe — who, and their concrete pain
  • Roadmap — prioritized table, P0 = MVP, P1 = next, P2 = later
  • Erfolgsmetriken — measurable
  • Rahmenbedingungen — time, team, budget, technical limits, persistence decision
  • Nicht-Ziele — explicitly out for this version

Present the draft, apply feedback, then save.

Build the feature map

Single Responsibility: each feature is one testable, deployable unit.

Each entry in features/INDEX.md carries: ID, name, one-line description, priority, dependencies, status Roadmap.

Present it as a build order that respects dependencies:

"Ich habe X Features identifiziert. Hier die Aufteilung und die empfohlene Reihenfolge:"

Apply feedback, then write features/INDEX.md and update "Next Available ID". Re-read the file to verify.

Do not

  • Create features/PROJ-X-*.md spec files — that is /write-spec
  • Write code or pick concrete libraries beyond the fixed auth stack
  • Ask several questions at once
  • Stop before you actually understand the project

Wrap up

  • PRD complete (Vision, Zielgruppe, Roadmap, Metriken, Rahmenbedingungen, Nicht-Ziele)
  • Persistence resolved and noted
  • Auth resolved; if yes, PROJ-1 auth feature added and depended on
  • Design system resolved; if provided, saved to docs/design-system.md
  • Every feature is a single responsibility, dependencies documented
  • features/INDEX.md written with status Roadmap, next ID updated, verified
  • User approved PRD and feature map

Handoff

"Projekt steht. Nächster Schritt: /write-spec für das erste Feature: [Name] (PROJ-1)."

Commit

feat: Initialize project — PRD and feature map