2dfd831d3b
The salvaged flag was spelled --profile, which collides with the global -p/--profile that hermes_cli.main scans BEFORE argparse: `hermes webhook subscribe x --profile compta` would switch this CLI process to compta's HERMES_HOME and write the subscription into compta's webhook_subscriptions.json — a file the default gateway's webhook adapter never reads — while the route still lacked the profile key. #109020 special-cased the scanner for the webhook subcommand; naming the flag --route-profile removes the ambiguity without touching _scan_profile_flag: -p picks the gateway whose subscriptions file is written, --route-profile picks which /p/<profile>/ prefix may hit the route. Docs: cli-commands reference row, multi-profile-gateways webhook section, the route `profile` field. Builds on #109020 (fangliquanflq). Fixes #109016.