chore: adopter Scaffold plan-kontrakt

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

.scaffold/tasks.yaml

@@ -0,0 +1,17 @@
+# Scaffold kanban-kort. Skjema per kort:
+#   - id: kort-slug              # unik i fila
+#     title: ""
+#     description: ""
+#     status: todo               # todo | doing | done | blocked
+#     column: todo               # speiler status (kanban-kolonne)
+#     priority: medium           # low | medium | high
+#     assignee: human            # cursor | claude | human | any
+#     context: ""                # valgfri: hvorfor/hvor i koden
+#     acceptance: ""             # valgfri: hva «ferdig» betyr
+#     todos:
+#       - text: "Underoppgave"
+#         done: false
+#     created: 2026-07-09
+#     updated: 2026-07-09
+#     completed_at: null
+tasks: []