feat(pico): add support for tool_calls in chat messages

web/frontend/src/api/sessions.ts

@@ -14,7 +14,7 @@ export interface SessionDetail {
   messages: {
     role: "user" | "assistant"
     content: string
-    kind?: "normal" | "thought"
+    kind?: "normal" | "thought" | "tool_calls"
     media?: string[]
     attachments?: {
       type?: "image" | "audio" | "video" | "file"
@@ -22,6 +22,17 @@ export interface SessionDetail {
       filename?: string
       content_type?: string
     }[]
+    tool_calls?: {
+      id?: string
+      type?: string
+      function?: {
+        name?: string
+        arguments?: string
+      }
+      extra_content?: {
+        tool_feedback_explanation?: string
+      }
+    }[]
   }[]
   summary: string
   created: string