Persist provider name and model config in the session (#5419)

ui/desktop/openapi.json

@@ -3594,6 +3594,44 @@
           }
         }
       },
+      "ModelConfig": {
+        "type": "object",
+        "required": [
+          "model_name",
+          "toolshim"
+        ],
+        "properties": {
+          "context_limit": {
+            "type": "integer",
+            "nullable": true,
+            "minimum": 0
+          },
+          "fast_model": {
+            "type": "string",
+            "nullable": true
+          },
+          "max_tokens": {
+            "type": "integer",
+            "format": "int32",
+            "nullable": true
+          },
+          "model_name": {
+            "type": "string"
+          },
+          "temperature": {
+            "type": "number",
+            "format": "float",
+            "nullable": true
+          },
+          "toolshim": {
+            "type": "boolean"
+          },
+          "toolshim_model": {
+            "type": "string",
+            "nullable": true
+          }
+        }
+      },
       "ModelInfo": {
         "type": "object",
         "description": "Information about a model's capabilities",
@@ -4382,6 +4420,14 @@
             "type": "integer",
             "minimum": 0
           },
+          "model_config": {
+            "allOf": [
+              {
+                "$ref": "#/components/schemas/ModelConfig"
+              }
+            ],
+            "nullable": true
+          },
           "name": {
             "type": "string"
           },
@@ -4390,6 +4436,10 @@
             "format": "int32",
             "nullable": true
           },
+          "provider_name": {
+            "type": "string",
+            "nullable": true
+          },
           "recipe": {
             "allOf": [
               {

ui/desktop/src/api/types.gen.ts

@@ -412,6 +412,16 @@ export type MessageMetadata = {
     userVisible: boolean;
 };
 
+export type ModelConfig = {
+    context_limit?: number | null;
+    fast_model?: string | null;
+    max_tokens?: number | null;
+    model_name: string;
+    temperature?: number | null;
+    toolshim: boolean;
+    toolshim_model?: string | null;
+};
+
 /**
  * Information about a model's capabilities
  */
@@ -697,8 +707,10 @@ export type Session = {
     id: string;
     input_tokens?: number | null;
     message_count: number;
+    model_config?: ModelConfig | null;
     name: string;
     output_tokens?: number | null;
+    provider_name?: string | null;
     recipe?: Recipe | null;
     schedule_id?: string | null;
     session_type?: SessionType;