1a62060dab
Fix pre-existing and new clippy issues across 5 files: - service_auth.rs: .to_string() → .to_owned() on &str, backtick doc items - streams.rs: backtick doc items, allow cognitive_complexity on reconnect_loop - main.rs: .to_owned(), allow infinite_loop, drop must_use, rename shadow - start.rs: eliminate shadow_reuse on endpoint binding - enhanced_ml.rs: remove unnecessary f64 cast Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>