fix: Fix google provider in app (#859)

crates/goose/Cargo.toml

@@ -59,6 +59,7 @@ paste = "1.0"
 serde_yaml = "0.9.34"
 once_cell = "1.20.2"
 dirs = "6.0.0"
+rand = "0.8.5"
 
 [dev-dependencies]
 criterion = "0.5"

crates/goose/src/providers/formats/google.rs

@@ -6,6 +6,7 @@ use anyhow::Result;
 use mcp_core::content::Content;
 use mcp_core::role::Role;
 use mcp_core::tool::{Tool, ToolCall};
+use rand::{distributions::Alphanumeric, Rng};
 use serde_json::{json, Map, Value};
 
 /// Convert internal Message format to Google's API message specification
@@ -198,14 +199,16 @@ pub fn response_to_message(response: Value) -> Result<Message> {
         .and_then(|content| content.get("parts"))
         .and_then(|parts| parts.as_array())
         .unwrap_or(&binding);
+
     for part in parts {
         if let Some(text) = part.get("text").and_then(|v| v.as_str()) {
             content.push(MessageContent::text(text.to_string()));
         } else if let Some(function_call) = part.get("functionCall") {
-            let id = function_call["name"]
-                .as_str()
-                .unwrap_or_default()
-                .to_string();
+            let id: String = rand::thread_rng()
+                .sample_iter(&Alphanumeric)
+                .take(8)
+                .map(char::from)
+                .collect();
             let name = function_call["name"]
                 .as_str()
                 .unwrap_or_default()