Improve agent prompting and classifier latency; clean up build warnings

crates/simple_logger/src/lib.rs

@@ -111,7 +111,7 @@ impl SimpleLogger {
             let mut log_file = match open_truncated(&log_path).await {
                 Ok(log_file) => log_file,
                 Err(e) => {
-                    log::warn!("Could not open file for logging: {:?}. {:?}", &log_path, e);
+                    log::warn!("Could not open file for logging: {:?}. {:?}", log_path, e);
                     return;
                 }
             };
@@ -153,7 +153,7 @@ impl SimpleLogger {
                                                 "SimpleLogger: rotation failed for {:?}: {e}; \
                                              preserving existing log content and continuing \
                                              in append mode",
-                                                &log_path,
+                                                log_path,
                                             );
                                             true
                                         }
@@ -169,7 +169,7 @@ impl SimpleLogger {
                                         log::warn!(
                                             "SimpleLogger: failed to reopen {:?} after \
                                              rotation: {e}",
-                                            &log_path,
+                                            log_path,
                                         );
                                         return;
                                     }