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docs(claude): Versionsangaben auf den installierten Stand bringen

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- CLAUDE.md Technik-Block zeigt jetzt den installierten Stand statt der
  2026-06/07-Empfehlung: Next.js 15.5.19, Prisma 6.19.3, NestJS 11.1.27,
  Express 5.2.1, Node node:24-alpine (neu ergaenzt), Vitest je App
  (3.2.6 / 4.1.9), Docker/Compose als gemessene Wirtseigenschaft
- Authentifizierungs-Zeilen ersetzt: kein Identitaetsanbieter im Einsatz,
  sondern @nestjs/jwt, passport/@nestjs/passport, argon2, ldapts;
  @nestjs/passport-Zweckangabe korrigiert (Anmelde-/JWT-Strategien statt
  Modul-zu-Modul-API-Keys)
- Nie uebernommene Empfehlungen (Keycloak, Redis, TanStack Query, shadcn/ui,
  Playwright, Husky, lint-staged) sowie die beiden nicht aktualisierten
  Hauptversionen (Next.js, Prisma) in eigenem Abschnitt "Recommended But
  Not Adopted" statt in den Ist-Tabellen
- Herkunftsvermerk ergaenzt; Alternatives Considered/Version Pinning
  Strategy/Sources als historische Entscheidungslage gekennzeichnet;
  Multi-Tenancy Strategy verweist auf die tatsaechliche
  prisma-tenant.extension.ts
- .planning/research/STACK.md erhaelt eine Hinweiszeile, Zahlen darin
  unveraendert (datiertes Rechercheergebnis)
- Keine Abhaengigkeit aktualisiert (package.json/pnpm-lock.yaml
  unveraendert, per Gate geprueft)

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FYZcd3SSmo14QTqWx2KKzU
This commit is contained in:
Schalli
2026-09-09 09:37:27 +02:00
parent dab72eb1f9
commit c80704957a
2 changed files with 87 additions and 54 deletions
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.planning/research/STACK.md
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@@ -96,6 +96,13 @@ The DKV module already solved most of the infrastructure this feature needs. Thi
# v1.0 Base Stack (reference — unchanged)
> **Note added 2026-09-09:** This is the stack recommendation from June/July 2026,
> preserved here unchanged. Parts of it were never adopted (Keycloak, Redis,
> TanStack Query, shadcn/ui, Playwright, Husky, lint-staged), and two items were
> adopted at an older major version than recommended (Next.js, Prisma). The
> actually installed stack, checked against `package.json`/`pnpm-lock.yaml`, is
> documented in `CLAUDE.md` under "Technology Stack".
**Researched:** 2026-06-18
**Overall Confidence:** HIGH
CLAUDE.md
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@@ -20,84 +20,107 @@ Tessera ist eine modulare, Docker-basierte Webplattform fuer interne Workflow-Au
<!-- GSD:project-end -->
<!-- GSD:stack-start source:research/STACK.md -->
## Technology Stack
## Recommended Stack
> The tables below show the **installed stack**, checked against `package.json`,
> `pnpm-lock.yaml` (`importers:` resolved versions), and the Compose/Dockerfiles
> on 2026-09-09. The original stack recommendation from 2026-06/07 lives unchanged
> in `.planning/research/STACK.md`; regenerating this block from that file would
> reintroduce the recommended-but-not-installed numbers below as if they were
> current.
### Monorepo & Package Management
| Technology | Version | Purpose | Why |
|------------|---------|---------|-----|
| pnpm | 9.x | Package manager | 60-80% disk reduction via content-addressable store, strict dependency isolation prevents phantom deps, workspace protocol for internal packages |
| Turborepo | 2.9.x | Build orchestration | Incremental builds, parallel execution, task dependency graph, caching. Vercel-maintained — aligns with Next.js ecosystem |
| Technology | Installed Version | Purpose |
|------------|--------------------|---------|
| pnpm | 9.15.0 | Package manager — 60-80% disk reduction via content-addressable store, strict dependency isolation, workspace protocol for internal packages |
| Turborepo | 2.9.18 | Build orchestration — incremental builds, parallel execution, task dependency graph, caching |
### Frontend
| Technology | Version | Purpose | Why |
|------------|---------|---------|-----|
| Next.js | 16.2.x | Frontend framework | App Router with React 19, Turbopack default bundler (4x faster builds), stable Server Components, `use cache` directive, multi-tenant middleware support |
| React | 19.x | UI library | Ships with Next.js 16, React Compiler (automatic memoization), stable Server Actions |
| TypeScript | 5.5+ | Type safety | Required by all major tools, catches bugs at compile time |
| Tailwind CSS | 4.3.x | Styling | CSS-first config (no JS config file), 3.5x faster rebuilds, OKLCH colors, built-in dark mode via `.dark` selector |
| shadcn/ui | CLI v4 | Component library | Not a dependency — copies components into your project. Accessible, themeable via CSS variables, dark/light mode trivial with next-themes. Dashboard-ready components |
| next-themes | 0.4.x | Theme switching | 2-line dark mode integration with shadcn/ui, SSR-safe, system preference detection |
| next-intl | 4.13.x | Internationalization | Built for Next.js App Router, Server Component native, 457 bytes gzipped, simpler than i18next for Next.js-only projects |
| react-grid-layout | 2.2.x | Dashboard grid | TypeScript rewrite with hooks API (useGridLayout, useResponsiveLayout), drag & drop + resize, responsive breakpoints, 100% backward compat via /legacy |
| Zustand | 5.0.x | Client state | Lightweight (1.1kb), no providers needed, works with Server Components, perfect for UI state (sidebar toggle, theme, user prefs) |
| TanStack Query | 5.101.x | Server state | Caching, background refresh, optimistic updates, pagination. Use for client-side data fetching where Server Components don't suffice |
| Technology | Installed Version | Purpose |
|------------|--------------------|---------|
| Next.js | 15.5.19 | Frontend framework — App Router, React Server Components. A newer major (16.2.x) was recommended but not adopted; see "Recommended But Not Adopted" below |
| React | 19.2.7 | UI library |
| TypeScript | 5.9.3 | Type safety |
| Tailwind CSS | 4.3.1 | Styling — CSS-first config, OKLCH colors, built-in dark mode via `.dark` selector |
| next-themes | 0.4.6 | Theme switching — dark/light mode with system preference detection |
| next-intl | 4.13.0 | Internationalization |
| react-grid-layout | 2.2.3 | Dashboard grid — drag & drop + resize, responsive breakpoints |
| Zustand | 5.0.14 | Client state — UI state (sidebar toggle, theme, user prefs) |
### Backend
| Technology | Version | Purpose | Why |
|------------|---------|---------|-----|
| NestJS | 11.x | API framework | Modular architecture maps directly to Tessera's module system. Dependency injection, guards, interceptors, built-in microservices support. Modular monolith now, extract to microservices later if needed |
| Express | 5.x | HTTP server | Default in NestJS 11, battle-tested, massive middleware ecosystem |
| Prisma | 7.8.x | ORM | TypeScript-first, auto-generated types from schema, declarative migrations, Client Extensions for RLS multi-tenancy. v7 dropped Rust engine — 3x faster queries, 90% smaller bundles |
| PostgreSQL | 16.x | Database | Row-Level Security for multi-tenancy, JSONB for flexible module config, excellent Docker support, robust at any scale |
| Redis | 7.x | Cache & sessions | Session storage, pub/sub for real-time features, rate limiting, cache invalidation |
| Technology | Installed Version | Purpose |
|------------|--------------------|---------|
| NestJS | 11.1.27 | API framework — modular architecture, dependency injection, guards, interceptors |
| Express | 5.2.1 | HTTP server (via `@nestjs/platform-express`) |
| Prisma | 6.19.3 | ORM. A newer major (7.8.x) was recommended but not adopted; see "Recommended But Not Adopted" below |
| PostgreSQL | `postgres:16-alpine` | Database — Row-Level Security for multi-tenancy, JSONB for module config |
### Authentication & Authorization
| Technology | Version | Purpose | Why |
|------------|---------|---------|-----|
| Keycloak | 26.6.x | Identity provider | Native multi-tenancy via realms, LDAP/AD federation built-in, OAuth2/OIDC standard, Docker-native, admin UI included. Eliminates building auth from scratch |
| nest-keycloak-connect | latest | NestJS integration | Guards, decorators, multi-tenant realm resolvers — handles JWT validation and role extraction |
| @nestjs/passport | latest | Fallback auth | For API key auth on module-to-module communication |
No identity provider is deployed. The installed system is a self-built login stack:
| Technology | Installed Version | Purpose |
|------------|--------------------|---------|
| @nestjs/jwt | 11.0.2 | Issues and validates the session JWT |
| passport + @nestjs/passport | 0.7.0 / 11.0.5 | Login and JWT authentication strategies (not module-to-module API-key auth — that was an earlier, since-corrected description of this package's purpose) |
| argon2 | 0.44.0 | Password hashing |
| ldapts | 8.1.8 | LDAP/AD directory binding for user sync |
### Desktop Wrapper
| Technology | Version | Purpose | Why |
|------------|---------|---------|-----|
| Tauri | 2.x (2.11+) | Desktop app | 5MB installer vs Electron's 150MB. Uses OS-native WebView — no bundled Chromium. Rust backend for system APIs. Windows + Linux supported. Perfect for wrapping an existing web app |
| Technology | Installed Version | Purpose |
|------------|--------------------|---------|
| Tauri | 2.11.1 (CLI 2.11.3) | Desktop app wrapper. `apps/desktop` is scaffolding only as of `docs/anleitung-entwicklung.md` |
### Infrastructure & DevOps
| Technology | Version | Purpose | Why |
|------------|---------|---------|-----|
| Docker | 27.x | Containerization | Project constraint. Multi-stage builds for production images |
| Docker Compose | 2.x | Orchestration | Multi-service local dev and production deployment. Health checks, volume management, networking |
| Nginx Proxy Manager | latest | Reverse proxy | External reverse proxy managed by host infrastructure. Tessera containers do not include a reverse proxy — NPM handles SSL termination and routing externally |
| Gitea | existing | Version control | Already in place. Automate via webhooks and Gitea API |
| Technology | Version | Purpose |
|------------|---------|---------|
| Node.js | `node:24-alpine` | JS runtime for both `apps/api` and `apps/web` production images (`apps/api/Dockerfile`, `apps/web/Dockerfile`) |
| Docker | 29.8.0 (host property, measured on the dev machine, 2026-09-09) | Not pinned by this repository |
| Docker Compose | v5.5.1 (host property, measured on the dev machine, 2026-09-09) | Not pinned by this repository |
| Nginx Proxy Manager | external | Reverse proxy managed by host infrastructure — Tessera containers do not include a reverse proxy |
| Gitea | existing | Version control, already in place |
### Testing
| Technology | Version | Purpose | Why |
|------------|---------|---------|-----|
| Vitest | 3.x | Unit/integration tests | Fast, ESM-native, compatible with Jest API, works with both Next.js and NestJS |
| Playwright | 1.x | E2E tests | Cross-browser, auto-wait, trace viewer. Best for testing the full portal flow |
| Testing Library | latest | Component tests | DOM-based testing, framework-agnostic patterns |
| Technology | Installed Version | Purpose |
|------------|--------------------|---------|
| Vitest (apps/api) | 3.2.6 | Unit/integration tests |
| Vitest (apps/web) | 4.1.9 | Unit/integration tests — a different major than apps/api, not yet aligned |
| Testing Library (@testing-library/react) | 16.3.2 | Component tests |
### Developer Experience
| Technology | Version | Purpose | Why |
|------------|---------|---------|-----|
| Biome | 2.x | Linting + formatting | Single tool replaces ESLint + Prettier, 100x faster, zero-config defaults. Reduces tooling complexity |
| Husky | 9.x | Git hooks | Pre-commit formatting/linting enforcement |
| lint-staged | 15.x | Staged file linting | Only lint changed files for fast commits |
| Technology | Installed Version | Purpose |
|------------|--------------------|---------|
| Biome | 2.5.0 | Linting + formatting — replaces ESLint + Prettier |
## Recommended But Not Adopted
The following was recommended in the original 2026-06/07 stack research
(`.planning/research/STACK.md`) but is not part of the running system. Listed
here, outside the tables above, so nothing in this section is mistaken for
something that is actually built:
- **Identity provider:** Keycloak 26.6.x plus `nest-keycloak-connect` were recommended for authentication and multi-tenant realm federation. Not built — no Keycloak service in any Compose file, no package in the lockfile. What runs instead is the self-built stack in the Authentication & Authorization table above.
- **Cache / session store:** Redis 7.x was recommended. Not installed — no service, no package.
- **Server state library:** TanStack Query 5.101.x was recommended. Not installed.
- **Component library:** shadcn/ui CLI v4 was recommended. Not used — no `components.json`, no `components/ui` directory.
- **E2E test runner:** Playwright 1.x was recommended as a project dependency. Not installed as one — browser checks run through the Playwright MCP tool, which is not a dependency of this repository and has no `playwright.config.*` here.
- **Git hooks:** Husky 9.x and lint-staged 15.x were recommended. Not installed — no `.husky` directory.
- **Next.js major version:** 16.2.x was recommended; the installed major is 15.5.19 (see Frontend table above). No statement here about whether an upgrade is planned.
- **Prisma major version:** 7.8.x was recommended; the installed major is 6.19.3 (see Backend table above). No statement here about whether an upgrade is planned.
## Alternatives Considered
The table below reflects the decision record from 2026-06, at the time the stack
was chosen. Its "Recommended" column documents what was picked back then — it is
not a statement about what is installed today; see the tables above for that.
| Category | Recommended | Alternative | Why Not |
|----------|-------------|-------------|---------|
| Frontend Framework | Next.js 16 | Remix / SvelteKit | Next.js has best multi-tenant support, largest ecosystem, Vercel Platforms template as reference |
@@ -120,7 +143,7 @@ Tessera ist eine modulare, Docker-basierte Webplattform fuer interne Workflow-Au
- Scales to thousands of tenants without catalog bloat
- Single connection pool (no per-tenant connection overhead)
- Prisma Client Extensions support RLS via session variables
- Prisma Client Extensions support RLS via session variables — in active use, see `apps/api/src/prisma/prisma-tenant.extension.ts`
- Simpler migrations — one schema to manage
- Cost-effective for the planned growth trajectory
@@ -146,13 +169,16 @@ Tessera ist eine modulare, Docker-basierte Webplattform fuer interne Workflow-Au
## Version Pinning Strategy
- **Major versions:** Pin to major (e.g., `next@16`, `@nestjs/core@11`)
- **Prisma:** Pin exactly — schema changes require matched versions
- **Tailwind/shadcn:** Follow latest within major — utility additions are non-breaking
- **Keycloak Docker image:** Pin to minor (e.g., `quay.io/keycloak/keycloak:26.6`)
- **Major versions:** Pin to major (e.g., `next@15`, `@nestjs/core@11`)
- **Prisma:** Pin exactly — schema changes require matched versions (currently 6.19.3)
- **Tailwind:** Follow latest within major — utility additions are non-breaking (currently 4.3.x)
## Sources
Consulted for the original 2026-06/07 stack recommendation — sources for that
decision, not evidence of the current installed state (see the tables above for
that):
- [Next.js 16 Docs](https://nextjs.org/docs/app/guides/upgrading/version-16) — Version 16.2.7+ stable
- [NestJS Documentation](https://docs.nestjs.com/) — Version 11.1.x
- [Prisma ORM 7 Announcement](https://www.prisma.io/blog/announcing-prisma-orm-7-0-0) — Pure TypeScript runtime