Verfügbarkeitshinweise für Mitarbeiter und Plantafel-Details ergänzen

backend/db/migrations/0034_profile_availability_note.sql

@@ -0,0 +1,2 @@
+ALTER TABLE "auth_profiles"
+ADD COLUMN "availability_note" text;

backend/db/schema/auth_profiles.ts

@@ -74,6 +74,7 @@ export const authProfiles = pgTable("auth_profiles", {
     contract_type: text("contract_type"),
     position: text("position"),
     qualification: text("qualification"),
+    availability_note: text("availability_note"),
 
     address_street: text("address_street"),
     address_zip: text("address_zip"),