Files
kfj001 4c0b9de3df Make Wi-Fi join/leave actually functional
wifi.py presented itself as a join/leave abstraction but provided no real
behavior: the default backend was a no-op, the facade never verified the
association, and the nmcli queries were wrong. This makes the module do what
it claims, verified end-to-end against the recovered protocol and nmcli 1.52.

wifi.py
  - WifiManager: join now verifies the association by polling
    backend.is_connected against a settle_timeout (fail-closed). An
    unverified join raises HotspotJoinError and leaves connected=False;
    verify=False restores fire-and-forget. Tracks last_profile and adds
    gateway_ip().
  - NmcliWifiBackend: the association check now uses the ACTIVE column
    (`device wifi list -f SSID,ACTIVE`). The old `device wifi show` was a
    prefix-match accident onto `show-password` and reported in-range APs, not
    the associated one. get_ip() queries per-Wi-Fi-interface IP4.ADDRESS
    (preferring the 10.100 aGate subnet) instead of the unfiltered all-device
    dump that would return a wired/VPN address. Signal is read from the active
    AP; the dead ipcmd param is removed; leave() is best-effort.
  - WifiBackend: documented the fail-closed contract and added get_signal()
    so the manager no longer reaches into a private _run via isinstance.
  - NoOpWifiBackend: added assume_connected() for manual/external joins.

client.py
  - AgateClient now owns a WifiManager and exposes join_hotspot(),
    leave_hotspot(), and attach_local() (join + verify + LocalDeviceClient
    aimed at the device gateway). LocalDeviceClient is imported lazily so the
    package still works without `requests`.

__init__.py
  - Export the backends, HotspotProfile, HotspotJoinError, the SN-derivation
    helper, and the module constants.

tests/test_wifi.py (new)
  - 20 stdlib-unittest cases: SN derivation, verify pass/fail, fail-closed
    behavior, the in-range-but-not-associated regression, IP preference,
    tolerant leave, and the client wiring. No radio or pytest required.

Also:
  - README: documented the local-connect (device hotspot) flow.
  - .gitignore: ignore Python build/cache artifacts.
2026-10-13 02:27:43 +00:00

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# Python
__pycache__/
*.py[cod]
*$py.class
*.egg-info/
.eggs/
build/
dist/
# Tooling / caches
.pytest_cache/
.mypy_cache/
.ruff_cache/
.tox/
.venv/
venv/