Previous value: -"Optional situation id from list_whatsapp_options (zugefallen|abgeschlossen|zylinder). Unknown → ok:false."New value: +"Optional situation id from list_whatsapp_options (12 www ids; aliases deprecated). Unknown → ok:false."

Added value: +{
+  "description": "true if deprecated alias was used",
+  "type": "boolean"
+}

Added value: +{
+  "description": "Alias used, if any",
+  "type": [
+    "string",
+    "null"
+  ]
+}

Previous value: -"Echoed option (null if omitted)"New value: +"Resolved option (null if omitted)"

Previous value: -"Optional situation id: zugefallen|abgeschlossen|zylinder|beratung (or ids from list_whatsapp_options)."New value: +"Optional situation id from list_whatsapp_options (zugefallen|abgeschlossen|zylinder). Unknown → ok:false."

Previous value: -"Echoed option"New value: +"Echoed option (null if omitted)"

Added value: +"Optional situation id: zugefallen|abgeschlossen|zylinder|beratung (or ids from list_whatsapp_options)."

Previous value: -nullNew value: +{
+  "additionalProperties": true,
+  "description": "Always the same envelope. tools/call returns content[0].text = summary (or JSON) AND structuredContent = this object. On success ok=true with summary + canonicalUrl + extra fields. On failure ok=false with error (snake_case code) and hint (recovery URL). Never writes, never submits forms, never books. Attribution must be kept when quoting. Policy: ai-input yes with attribution; ai-train=no. Host is maps.ikeytz.com (geo/Einsatzgebiet). Prices/FAQ/legal HTML live on www — maps only points.",
+  "properties": {
+    "attribution": {
+      "description": "Required citation: 'Quelle: Schlüsseldienst Ludwigsburg ikeytz (ikeytz.com) · ai-train=no · https://maps.ikeytz.com/.well-known/ai.txt'",
+      "type": "string"
+    },
+    "canonicalUrl": {
+      "description": "Best URL to show the user: https://maps.ikeytz.com… page, public embed JSON, tel:+49…, mailto:…, https://wa.me/…, or a www pointer. Prefer this over constructing URLs.",
+      "type": "string"
+    },
+    "error": {
+      "description": "Present when ok=false. Codes include: unknown_place, unknown_discovery, unknown_doc, q_required, plz_required, coords_required, outside_service_area, url_required, not_maps_host, bad_url, path_or_url_required, serp_not_found, slug_or_coords_required, path_required.",
+      "type": "string"
+    },
+    "hint": {
+      "description": "Present when ok=false. Absolute URL or short recovery hint the agent should open or pass to another tool.",
+      "type": "string"
+    },
+    "href": {
+      "description": "https://wa.me/…",
+      "format": "uri",
+      "type": "string"
+    },
+    "locale": {
+      "description": "Locale actually used for URLs. maps is German-only: always de (MAPS-E8 — no /en on maps). Requested non-de is ignored; payload locale=de.",
+      "enum": [
+        "de"
+      ],
+      "type": "string"
+    },
+    "note": {
+      "description": "Link only. Kein Formular.",
+      "type": "string"
+    },
+    "ok": {
+      "description": "true = use summary, canonicalUrl, and extra keys. false = do not invent data; read error + hint and retry with valid args or open hint.",
+      "type": "boolean"
+    },
+    "option": {
+      "description": "Echoed option",
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "related": {
+      "description": "Always includes https://maps.ikeytz.com/llms.txt.",
+      "items": {
+        "format": "uri",
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "summary": {
+      "description": "Primary text for the model. For discovery tools this is the file window. For list tools a compact one-liner. Quote with attribution.",
+      "type": "string"
+    },
+    "tool": {
+      "description": "Echo of the tool name that produced this object (e.g. get_service_area).",
+      "type": "string"
+    }
+  },
+  "required": [
+    "ok",
+    "tool",
+    "attribution"
+  ],
+  "type": "object"
+}