fix(concurrency): serialize Win32 clipboard access and test env vars to prevent STATUS_HEAP_CORRUPTION

server/src/lib.rs

@@ -332,7 +332,10 @@ pub async fn run_server(state: Arc<MemoryState>) -> Result<(), Box<dyn std::erro
                     }
 
                     let (tech_debts, adrs) = if let Some(ref f) = payload.file {
-                        crate::api::telemetry::find_projected_knowledge(&nvim_udp_state.handler.state, f)
+                        crate::api::telemetry::find_projected_knowledge(
+                            &nvim_udp_state.handler.state,
+                            f,
+                        )
                     } else {
                         (Vec::new(), Vec::new())
                     };
@@ -678,8 +681,11 @@ mod tests {
         }
     }
 
+    static ENV_LOCK: std::sync::Mutex<()> = std::sync::Mutex::new(());
+
     #[test]
     fn test_init_logging_helper() {
+        let _lock = ENV_LOCK.lock().unwrap_or_else(|e| e.into_inner());
         let temp_dir = tempfile::tempdir().unwrap();
         unsafe {
             std::env::set_var("MCP_MEMORY_STORE_DIR", temp_dir.path().to_str().unwrap());
@@ -711,6 +717,7 @@ mod tests {
 
     #[tokio::test]
     async fn test_run_server_graceful_shutdown() {
+        let _lock = ENV_LOCK.lock().unwrap_or_else(|e| e.into_inner());
         let temp_dir = tempfile::tempdir().unwrap();
         let state = Arc::new(MemoryState::new(temp_dir.path().to_str().unwrap()));