986f9f1d55
- Fix limitStr to handle multi-byte UTF-8 characters correctly - Sanitize log messages: strip ANSI escape sequences and newlines - URL-encode probe node_id instead of string concatenation - Fix follower resp.Body leak on non-200 responses - Make SSH host key path configurable via UPTOP_SSH_HOST_KEY env var - Add HTTP method checks on GET-only endpoints (405 for wrong methods) - Extract magic numbers into named constants across monitor/store/server - Standardize error output to stderr for all startup errors