feat: enhance command classification and error handling; improve process checks and credential security

src/app/runtime/actions/mod.rs

@@ -1139,7 +1139,9 @@ fn run_oauth_flow(provider: &str) -> anyhow::Result<String> {
         if let Some(parent) = token_path.parent() {
             let _ = std::fs::create_dir_all(parent);
         }
-        let _ = std::fs::write(&token_path, serde_json::to_string_pretty(token).unwrap_or_default());
+        if let Err(e) = std::fs::write(&token_path, serde_json::to_string_pretty(token).unwrap_or_default()) {
+            tracing::warn!("[oauth] failed to persist token for '{}': {}", provider, e);
+        }
     }
 
     Ok(format!("Successfully authenticated with {}.", provider))