892533bdc2
Validates existing TOML config files for syntax correctness, unknown keys, and structural issues. Auto-detects config type (server, client, combined) and checks known sections against expected schema. Validates: log levels, coordinate ranges, port ranges, access types, lat/lon pairing, and unknown key warnings. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> Signed-off-by: Stan Grams <sjg@haxx.space>