Files
multica/server
YOMXXX 737c976b0d fix(cli): guide remote setup callbacks (#4360)
## Summary
- expose `--callback-host` on `multica setup` and `multica setup cloud`, reusing the existing login callback override
- print an SSH tunnel hint when browser login runs in an SSH session with a loopback callback
- show local flags in parent-command help so `multica setup --help` documents the callback option

Fixes #4357

## Tests
- `go test ./cmd/multica -run 'TestCallbackHostFlagValueReadsParentSetupFlag|TestSetupHelpShowsCallbackHostFlag|TestSetupCallbackHostFlagWiring|TestBrowserLoginInstructionsSSHRemoteHint'`
- `go run ./cmd/multica setup --help`
- `go run ./cmd/multica setup cloud --help`
- `git diff --check`
- `go test ./...`
2026-06-22 00:06:14 +08:00
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