docs(front-matter): add YAML front-matter to patterns/

docs/patterns/claude-question-channel.md

@@ -1,3 +1,12 @@
+---
+title: "Bidirectionele async-comms MCP-agent ↔ user"
+status: active
+audience: [ai-agent, contributor]
+language: nl
+last_updated: 2026-05-03
+when_to_read: "When implementing or extending the claude-question channel for agent-user async communication."
+---
+
 # Patroon: Bidirectionele async-comms tussen MCP-agent en interactieve user
 
 Het M11 vraag-antwoord-kanaal is herbruikbaar voor elke feature waarbij een

docs/patterns/dialog.md

@@ -1,3 +1,12 @@
+---
+title: "Entity Dialog"
+status: active
+audience: [ai-agent, contributor]
+language: nl
+last_updated: 2026-05-03
+when_to_read: "Before building any create/edit/detail dialog component."
+---
+
 # Pattern — Entity Dialog
 
 Deze pagina is **bindend** voor elke create/edit/detail-dialog in Scrum4Me, ongeacht het achterliggende dataobject (PBI, Story, Task, Todo, Sprint, Product, User, of toekomstige entiteiten). Een nieuwe dialog die hier niet aan voldoet, hoort niet gemerged te worden.

docs/patterns/iron-session.md

@@ -1,3 +1,12 @@
+---
+title: "iron-session"
+status: active
+audience: [ai-agent, contributor]
+language: nl
+last_updated: 2026-05-03
+when_to_read: "When reading or writing session cookies or implementing auth checks."
+---
+
 # Patroon: iron-session
 
 ## lib/session.ts

docs/patterns/middleware.md

@@ -1,3 +1,12 @@
+---
+title: "Proxy (route protection)"
+status: active
+audience: [ai-agent, contributor]
+language: nl
+last_updated: 2026-05-03
+when_to_read: "When adding or modifying route-level access control in proxy.ts."
+---
+
 # Patroon: Proxy (route protection)
 
 In Next.js 16 hernoemd van `middleware.ts` naar `proxy.ts`, functienaam van `middleware` naar `proxy`.

docs/patterns/prisma-client.md

@@ -1,3 +1,12 @@
+---
+title: "Prisma Client singleton"
+status: active
+audience: [ai-agent, contributor]
+language: nl
+last_updated: 2026-05-03
+when_to_read: "When importing or initialising the Prisma client in server code."
+---
+
 # Patroon: Prisma Client singleton
 
 ## lib/prisma.ts

docs/patterns/qr-login.md

@@ -1,3 +1,12 @@
+---
+title: "QR-pairing via unauth-SSE + pre-auth cookie"
+status: active
+audience: [ai-agent, contributor]
+language: nl
+last_updated: 2026-05-03
+when_to_read: "When working on QR-code login flow or unauth SSE endpoints."
+---
+
 # Patroon: QR-pairing via unauth-SSE + pre-auth cookie
 
 Het M10 QR-login-mechanisme is herbruikbaar voor elke feature die **realtime-

docs/patterns/route-handler.md

@@ -1,3 +1,12 @@
+---
+title: "Route Handler (REST API)"
+status: active
+audience: [ai-agent, contributor]
+language: nl
+last_updated: 2026-05-03
+when_to_read: "When writing a new Next.js route handler (GET/POST/PATCH/DELETE)."
+---
+
 # Patroon: Route Handler (REST API)
 
 Alle endpoints vereisen: `Authorization: Bearer <token>`

docs/patterns/server-action.md

@@ -1,3 +1,12 @@
+---
+title: "Server Action"
+status: active
+audience: [ai-agent, contributor]
+language: nl
+last_updated: 2026-05-03
+when_to_read: "When writing a new server action with auth and Zod validation."
+---
+
 # Patroon: Server Action
 
 Altijd in `actions/[domein].ts`. Nooit inline in page.tsx.

docs/patterns/sort-order.md

@@ -1,3 +1,12 @@
+---
+title: "Float sort_order (drag-and-drop volgorde)"
+status: active
+audience: [ai-agent, contributor]
+language: nl
+last_updated: 2026-05-03
+when_to_read: "When implementing drag-and-drop reordering or inserting between items."
+---
+
 # Patroon: Float sort_order (drag-and-drop volgorde)
 
 ## Berekening bij tussenvoeging

docs/patterns/zustand-optimistic.md

@@ -1,3 +1,12 @@
+---
+title: "Zustand optimistische update + rollback"
+status: active
+audience: [ai-agent, contributor]
+language: nl
+last_updated: 2026-05-03
+when_to_read: "When adding client-side state mutations that need optimistic UI and rollback."
+---
+
 # Patroon: Zustand optimistische update + rollback
 
 Gebruik dit patroon bij elke dnd-kit `onDragEnd` handler.