feat: prove assisted resident permit intake

tests/fixtures/resident_parking_permit_journey.json

@@ -25,6 +25,21 @@
       "licence_plate": "B-AL 1843"
     }
   },
+  "assisted_intake": {
+    "channel": "counter",
+    "affected_party_ref": "party:resident-ada-lovelace",
+    "represented_party_ref": null,
+    "authority_basis": "self",
+    "purpose": "Apply for a resident parking permit.",
+    "legal_basis_ref": "law:resident-parking-permit",
+    "consent_basis": "in-person-confirmation",
+    "notice_given": true,
+    "responsible_function_ref": "function:parking-permits",
+    "language": "de",
+    "accessibility_needs": ["plain-language"],
+    "confirmation_method": "written_preview",
+    "confirmation_outcome": "confirmed"
+  },
   "case": {
     "type_key": "resident-parking-permit-application",
     "number": "RPP-2026-0001",
@@ -51,6 +66,7 @@
   "acceptance": {
     "automated": [
       "The published service and exact form revision drive digital intake.",
+      "An authenticated assisted session uses the same exact form and validation rules while retaining purpose, authority, channel, party, accessibility, source, correction, and read-back provenance.",
       "An idempotent replay returns the same persisted submission.",
       "The human review handoff survives a database-session restart and remains visible in Tasks until completion.",
       "The formal decision retains party, mandate, legal-basis, evidence, delivery, review, and exact revision references.",
@@ -58,7 +74,7 @@
     ],
     "manual_or_target": [
       "Complete the digital journey with keyboard and screen reader at desktop and mobile widths.",
-      "Repeat intake through an assisted-channel operator without weakening identity, purpose, or provenance.",
+      "Complete the assisted operator journey with keyboard and screen reader at desktop and mobile widths.",
       "Verify the configured Postbox or external delivery provider, including unknown outcome and reconciliation.",
       "Restore the pinned composition and reconstruct the exact form, case, decision, delivery evidence, and eAkte chronology.",
       "Transfer through a named archive profile and retain independently signed target evidence."