support dial translate with s2s services

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@jambonz/verb-specifications",
-  "version": "0.0.94",
+  "version": "0.0.95",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@jambonz/verb-specifications",
-      "version": "0.0.94",
+      "version": "0.0.95",
       "license": "MIT",
       "dependencies": {
         "debug": "^4.3.4",

specs.json

@@ -298,7 +298,8 @@
       "transcribe": "#transcribe",
       "amd": "#amd",
       "dub": ["#dub"],
-      "tag": "object"
+      "tag": "object",
+      "translate": "#translate"
     },
     "required": [
       "target"
@@ -1190,5 +1191,19 @@
       "streaming": "boolean",
       "sampleRate": "number"
     }
+  },
+  "translate": {
+    "properties": {
+      "callerLanguage": "string",
+      "calleeLanguage": "string",
+      "gain": "#gain",
+      "llm": "#llm"
+    }
+  },
+  "gain": {
+    "properties": {
+      "naturalVoice": "string",
+      "translatedVoice": "string"
+    }
   }
 }

test/jambonz-verb-test.js

@@ -166,7 +166,23 @@ test("validate correct verbs", async (t) => {
           "type": "user",
           "name": "spike@sip.example.com"
         }
-      ]
+      ],
+      "translate": {
+        "callerLanguage": "en-US",
+        "calleeLanguage": "vn-VN",
+        "gain": {
+            "naturalVoice": "-10db",
+            "translatedVoice": "+2dB"
+        },
+        "llm": {
+          "model": 'openai',
+          "vendor": "openai",
+          "auth": {
+            "apiKey": "API key"
+          },
+          "llmOptions": {}
+        }
+      }
     },
     {
       "verb": "dialogflow",