fix(core): remove all unwraps, fix unpolled futures, and fix search index memory leak on restart

server/src/mcp.rs

@@ -22,7 +22,7 @@ pub fn error(id: serde_json::Value, code: i32, message: &str) -> serde_json::Val
 
 pub fn tool_def<T: JsonSchema>(name: &str, description: &str) -> serde_json::Value {
     let schema = schemars::schema_for!(T);
-    let schema_val = serde_json::to_value(&schema).unwrap();
+    let schema_val = serde_json::to_value(&schema).unwrap_or_default();
     // MCP expects standard JSON schema. Schemars returns draft-07.
     json!({
         "name": name,