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agessaman
d7109c185c
The terminal has been driving the mock since it was built. This is the firmware
side, so it works on hardware.
Same 202 + reqid + poll contract as a config save, for the same reason:
CommonCLI touches prefs, the radio and the filesystem, none of which may be
reached from the async_tcp task. Commands go into the deferred slot and tick()
drains them on the loop task. Unlike a save this is not allowlisted — reaching
what the serial console reaches is the point, and execCommand() already passes
sender_timestamp 0, so the terminal gets exactly the serial console's
privilege. Authentication is the boundary, as it is there.
The CLI shares the config batch's slot rather than owning a second MAX_BATCH
array: both drain on the loop task, both are single-slot, and a duplicate would
cost ~8 KB of permanently resident RAM. Sharing also makes a save and a CLI run
mutually exclusive, which they must be. Each reader checks the kind, so neither
can serve the other's results.
Three things the mock could not have taught us:
- Board::reboot() does not return, so a drained `reboot` would take the node
down before the client read a single result. It is answered rather than
executed, and the batch arms the existing deferred-reboot path once the
results have been read — withheld if any command failed, exactly as a save
withholds one. clkreboot/poweroff/ota update do real work on the way down
and cannot be faked, so they still drop the connection; the UI warns first.
- `password <new>` echoes the new password in its reply. The config path
already scrubbed that by key; a CLI entry has no key, so it is matched on
the command. CLI commands are also kept out of the serial log entirely —
the browser session and the serial console are different audiences.
- MAX_BATCH is 24, not the 64 the page assumed. It is reported as
status.max_cmds instead of hardcoded, so the cap cannot drift.
Results stream and page (kCliResultPage = 8), and "done" means the client has
been handed every result, not merely that execution finished — otherwise a
client that stops polling at "done" loses the last page. Commands are never
echoed back: they may carry a secret, and the client matches by index.
New decisions live in WebConfigBatch.h with the rest, covered by three host
tests. Builds clean for heltec_v4_repeater_observer_mqtt; 22 batch + 14 keys
tests pass; the CLI audit reports 119/119 against the updated mock.