fix: prevent massive ADR list projection on empty buffers

server/src/api/telemetry.rs

@@ -27,6 +27,13 @@ pub fn find_projected_knowledge(
     file_path: &str,
 ) -> (Vec<ProjectedTechDebt>, Vec<ProjectedAdr>) {
     let normalized_file = file_path.replace('\\', "/").to_lowercase();
+    
+    // An empty file path matches everything due to `ends_with("")` behavior.
+    // Return empty results immediately for [No Name] buffers.
+    if normalized_file.trim().is_empty() {
+        return (Vec::new(), Vec::new());
+    }
+
     let file_name = std::path::Path::new(&normalized_file)
         .file_name()
         .and_then(|n| n.to_str())