Add delta classes for tools. (Azure#36402)

* Add delta classes for tools.

* Fix

Author: nick863

specification/ai/Azure.AI.Agents/run_steps/models.tsp

@@ -262,6 +262,17 @@ model RunStepDeltaMCPObject extends RunStepDeltaDetail {
   toolCalls?: RunStepDeltaMcpToolCall[];
 }
 
+/** Represents an invocation of openapi as part of a streaming run step. */
+@added(Versions.v2025_05_15_preview)
+model RunStepDeltaOpenAPIObject extends RunStepDeltaDetail {
+  /** The object type, which is always "openapi". */
+  type: "openapi";
+
+  /** The collection of tool calls for the tool call detail item. */
+  @encodedName("application/json", "tool_calls")
+  toolCalls?: RunStepDeltaOpenAPIToolCall[];
+}
+
 /** The abstract base representation of a single tool call within a streaming run step's delta tool call details. */
 @discriminator("type")
 @added(Versions.v2025_05_01)
@@ -322,6 +333,50 @@ model RunStepDeltaMcpToolCall extends RunStepDeltaToolCall {
   arguments: string;
 }
 
+/** Represents the openapi tool call in a streaming run step. */
+@added(Versions.v2025_05_15_preview)
+model RunStepDeltaOpenAPIToolCall extends RunStepDeltaToolCall {
+  /** The object type, which is always "openapi". */
+  type: "openapi";
+
+  @doc("Reserved for future use.")
+  @encodedName("application/json", "openapi")
+  openAPI: Record<string>;
+}
+
+/** Represents the bing grounding tool call in a streaming run step. */
+@added(Versions.v2025_05_15_preview)
+model RunStepDeltaBingGroundingToolCall extends RunStepDeltaToolCall {
+  /** The object type, which is always "bing_grounding". */
+  type: "bing_grounding";
+
+  @doc("Reserved for future use.")
+  @encodedName("application/json", "bing_grounding")
+  bingGrounding: Record<string>;
+}
+
+/** Represents the Deep research in a streaming run step. */
+@added(Versions.v2025_05_15_preview)
+model RunStepDeltaDeepResearchToolCall extends RunStepDeltaToolCall {
+  /** The object type, which is always "deep_research". */
+  type: "deep_research";
+
+  /** The details of DeepResearch tool call. */
+  @encodedName("application/json", "deep_research")
+  deepResearch: RunStepDeepResearchToolCallDetails;
+}
+
+/** Represents the Azure AI Search in a streaming run step. */
+@added(Versions.v2025_05_15_preview)
+model RunStepDeltaAzureAISearchToolCall extends RunStepDeltaToolCall {
+  /** The object type, which is always "azure_ai_search". */
+  type: "azure_ai_search";
+
+  @doc("Reserved for future use.")
+  @encodedName("application/json", "azure_ai_search")
+  azureAISearch: Record<string>;
+}
+
 /** Represents the function data in a streaming run step delta's function tool call. */
 @added(Versions.v2025_05_01)
 model RunStepDeltaFunction {

specification/ai/data-plane/Azure.AI.Agents/preview/2025-05-15-preview/azure-ai-agents.json

@@ -6397,6 +6397,52 @@
         }
       }
     },
+    "RunStepDeltaAzureAISearchToolCall": {
+      "type": "object",
+      "description": "Represents the Azure AI Search in a streaming run step.",
+      "properties": {
+        "azure_ai_search": {
+          "type": "object",
+          "description": "Reserved for future use.",
+          "additionalProperties": {
+            "type": "string"
+          },
+          "x-ms-client-name": "azureAISearch"
+        }
+      },
+      "required": [
+        "azure_ai_search"
+      ],
+      "allOf": [
+        {
+          "$ref": "#/definitions/RunStepDeltaToolCall"
+        }
+      ],
+      "x-ms-discriminator-value": "azure_ai_search"
+    },
+    "RunStepDeltaBingGroundingToolCall": {
+      "type": "object",
+      "description": "Represents the bing grounding tool call in a streaming run step.",
+      "properties": {
+        "bing_grounding": {
+          "type": "object",
+          "description": "Reserved for future use.",
+          "additionalProperties": {
+            "type": "string"
+          },
+          "x-ms-client-name": "bingGrounding"
+        }
+      },
+      "required": [
+        "bing_grounding"
+      ],
+      "allOf": [
+        {
+          "$ref": "#/definitions/RunStepDeltaToolCall"
+        }
+      ],
+      "x-ms-discriminator-value": "bing_grounding"
+    },
     "RunStepDeltaChunk": {
       "type": "object",
       "description": "Represents a run step delta i.e. any changed fields on a run step during streaming.",
@@ -6523,6 +6569,26 @@
       ],
       "x-ms-discriminator-value": "code_interpreter"
     },
+    "RunStepDeltaDeepResearchToolCall": {
+      "type": "object",
+      "description": "Represents the Deep research in a streaming run step.",
+      "properties": {
+        "deep_research": {
+          "$ref": "#/definitions/RunStepDeepResearchToolCallDetails",
+          "description": "The details of DeepResearch tool call.",
+          "x-ms-client-name": "deepResearch"
+        }
+      },
+      "required": [
+        "deep_research"
+      ],
+      "allOf": [
+        {
+          "$ref": "#/definitions/RunStepDeltaToolCall"
+        }
+      ],
+      "x-ms-discriminator-value": "deep_research"
+    },
     "RunStepDeltaDetail": {
       "type": "object",
       "description": "Represents a single run step detail item in a streaming run step's delta payload.",
@@ -6662,6 +6728,49 @@
         }
       }
     },
+    "RunStepDeltaOpenAPIObject": {
+      "type": "object",
+      "description": "Represents an invocation of openapi as part of a streaming run step.",
+      "properties": {
+        "tool_calls": {
+          "type": "array",
+          "description": "The collection of tool calls for the tool call detail item.",
+          "items": {
+            "$ref": "#/definitions/RunStepDeltaOpenAPIToolCall"
+          },
+          "x-ms-client-name": "toolCalls"
+        }
+      },
+      "allOf": [
+        {
+          "$ref": "#/definitions/RunStepDeltaDetail"
+        }
+      ],
+      "x-ms-discriminator-value": "openapi"
+    },
+    "RunStepDeltaOpenAPIToolCall": {
+      "type": "object",
+      "description": "Represents the openapi tool call in a streaming run step.",
+      "properties": {
+        "openapi": {
+          "type": "object",
+          "description": "Reserved for future use.",
+          "additionalProperties": {
+            "type": "string"
+          },
+          "x-ms-client-name": "openAPI"
+        }
+      },
+      "required": [
+        "openapi"
+      ],
+      "allOf": [
+        {
+          "$ref": "#/definitions/RunStepDeltaToolCall"
+        }
+      ],
+      "x-ms-discriminator-value": "openapi"
+    },
     "RunStepDeltaToolCall": {
       "type": "object",
       "description": "The abstract base representation of a single tool call within a streaming run step's delta tool call details.",