7. Packages — die wiederverwendbaren Bausteine

Package	Abhängigkeiten	Hauptzweck
`@mdcms/shared`	—	Zod-Schemas, Component-Slugs, Frontmatter-Typen
`@mdcms/db`	`shared`	Drizzle-ORM Wrapper, Schema-Definitionen, Row-Types
`@mdcms/md-parser`	`shared`	`parseMd`, `parseMdV2`, `sanitize`, `validate`, `extractFrontmatter`, `extractToc`
`@mdcms/component-registry`	`shared`	`REGISTRY`, `getComponent(slug)`, `isValidComponent`
`@mdcms/ui-primitives`	React	50+ atomare Components: `Button`, `Card`, `MarkdownContent`, `MermaidDiagram`, Docs-Layout-Primitives
`@mdcms/render-engine`	`shared`, `component-registry`, `ui-primitives`	`renderPage`, `renderDocsPage`, 18 Recipes, 10 Packs, Variant-Selektor

Dependency-Graph:

shared ──┬─→ db
         ├─→ md-parser
         └─→ component-registry ──┐
                                  ├─→ render-engine ──→ apps
ui-primitives ────────────────────┘

Keine zyklischen Dependencies. Jedes Package baut zu dist/ via plain tsc.