feat: add optional bot backchannels to prompt pipelines

backend/contracts/openapi.json

@@ -1198,6 +1198,24 @@
         "title": "Body_upload_test_image_api_test_assets_images_post",
         "type": "object"
       },
+      "BotBackchannelConfig": {
+        "properties": {
+          "delaySecs": {
+            "default": 4.0,
+            "maximum": 15.0,
+            "minimum": 2.0,
+            "title": "Delaysecs",
+            "type": "number"
+          },
+          "enabled": {
+            "default": false,
+            "title": "Enabled",
+            "type": "boolean"
+          }
+        },
+        "title": "BotBackchannelConfig",
+        "type": "object"
+      },
       "BuiltInToolBase": {
         "properties": {
           "description": {
@@ -6406,6 +6424,9 @@
           "bargeIn": {
             "$ref": "#/components/schemas/BargeInConfig"
           },
+          "botBackchannel": {
+            "$ref": "#/components/schemas/BotBackchannelConfig"
+          },
           "turnDetection": {
             "$ref": "#/components/schemas/TurnDetectionConfig"
           },
@@ -6612,6 +6633,69 @@
         ],
         "title": "VariableValueSource",
         "type": "object"
+      },
+      "VoiceRequest": {
+        "properties": {
+          "action": {
+            "enum": [
+              "create_voice",
+              "query_voice"
+            ],
+            "title": "Action",
+            "type": "string"
+          },
+          "apiKey": {
+            "default": "",
+            "maxLength": 4096,
+            "title": "Apikey",
+            "type": "string"
+          },
+          "apiUrl": {
+            "maxLength": 2048,
+            "title": "Apiurl",
+            "type": "string"
+          },
+          "audio": {
+            "default": "",
+            "maxLength": 14000000,
+            "title": "Audio",
+            "type": "string"
+          },
+          "model": {
+            "title": "Model",
+            "type": "string"
+          },
+          "prefix": {
+            "default": "assistant",
+            "pattern": "^[A-Za-z0-9]{1,10}$",
+            "title": "Prefix",
+            "type": "string"
+          },
+          "resourceId": {
+            "anyOf": [
+              {
+                "type": "string"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "title": "Resourceid"
+          },
+          "voiceId": {
+            "default": "",
+            "maxLength": 512,
+            "title": "Voiceid",
+            "type": "string"
+          }
+        },
+        "required": [
+          "apiUrl",
+          "model",
+          "action"
+        ],
+        "title": "VoiceRequest",
+        "type": "object"
       }
     },
     "securitySchemes": {
@@ -8483,6 +8567,46 @@
         ]
       }
     },
+    "/api/model-resources/dashscope/voice": {
+      "post": {
+        "description": "Create/query a voice using draft settings and server-held credentials.",
+        "operationId": "manage_dashscope_voice_api_model_resources_dashscope_voice_post",
+        "requestBody": {
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/VoiceRequest"
+              }
+            }
+          },
+          "required": true
+        },
+        "responses": {
+          "200": {
+            "content": {
+              "application/json": {
+                "schema": {}
+              }
+            },
+            "description": "Successful Response"
+          },
+          "422": {
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/HTTPValidationError"
+                }
+              }
+            },
+            "description": "Validation Error"
+          }
+        },
+        "summary": "Manage Dashscope Voice",
+        "tags": [
+          "model-registry"
+        ]
+      }
+    },
     "/api/model-resources/test": {
       "post": {
         "operationId": "test_new_model_resource_api_model_resources_test_post",