Tighten the WISP, AP restart, Xiaomi advertiser and OTA timing checks

Move earlier OTA timing results aside at the start of a run
Count missing OTA uploads and benchmark results as failures, support API keys
2026-10-26 16:02:13 +00:00 · 2026-10-26 04:22:44 -10:00 · 2026-10-26 04:17:19 -10:00 · 2026-10-26 03:59:51 -10:00 · 2026-10-26 00:09:37 -10:00 · 2026-10-26 00:04:36 -10:00
55 changed files with 2618 additions and 6 deletions
@@ -67,9 +67,17 @@ driven, what the logs show, and the same flow on a `dev` build when a quirk coul
   automations in the config itself.
 7. **Analyze** with `grep -a -c` counts over the capture and keep an `-events.txt` extract of the lines
   that matter. Decode crashes with the platform's `addr2line` (see `reference/boards.md`).
-8. **Report** on the PR as a table: build SHA, board and framework, what was driven, counts, result,
-   plus the `dev` control row and the exact flow in a `<details>` block. No credentials, no port names,
-   no IP addresses.
+8. **Report** on the PR. Every result comment starts with this two-line GitHub alert, then a blank line:
+
+   ```
+   > [!NOTE]
+   > Automated testing results
+   ```
+
+   Then one short sentence saying what was tested (builds and SHAs, board, what was driven), a results table
+   (build SHA, board and framework, what was driven, counts, result, plus the `dev` control row), short bullets
+   for the findings, and the setup and exact flow in a collapsed `<details>` block. Answer any question asked on
+   the PR directly in the comment. No credentials, SSIDs, IP addresses, port names or other bench details.

 ## Flashing by chip family

@@ -115,7 +123,7 @@ Per-topic scripts, each described in the matching `reference/recipes/<component>
 (host driver, Zephyr driver probe), `rtsp_server/` (protocol client, raw rate reader, measurement set,
 API image grab), `cse7766/` (API observer with ping), `zephyr_coredump/` (reader flow, decode with the
 Zephyr tools), `libretiny_prefs/` (rtc preference harness header), `libretiny_crash/` (BK72xx crash probe header and
-capture decoder), `api_outgoing/` (wake cycle and Wi-Fi drop timing readers), `ld2450/` (zone number driver, loopback harness driver with number and binary sensor states and TX frame summarizer), `api/` (raw plaintext native API client for user defined actions, store_yaml recovery client over Noise or plaintext), `http_request/` (update manifest server, update state driver, request test server, action case driver, concurrency, reboot, update check and OTA drivers, `ota_auth/` OTA request cases with basic auth), `modem/` (button and sensor driver over the plaintext API, also used for the BLE MIDI boards), `dfrobot_sen0395/` (API driver and case runner), `homeassistant_light/` (direct bulb driver, held-report case driver), `usb_audio/` (URL player), `speaker_media_player/` (API player driver, pipeline task case runner), `web_server/` (SSE client, request mix, SSE and HTTPD case runners), `mqtt/` (broker config with TLS, client-certificate and WebSocket listeners, test CA with server and client certificates, transport case runner, flash-and-drive runner, CLI TLS check without a board, MAC suffix runner with per-variant configs for two boards, `shutdown/` shutdown message runner and matcher), `udp/` (datagram recorder, `udp.write` payload checker and case driver), `entity_icons/` (icon and device class readback over the API, MQTT discovery, web_server and dump_config, with a comparer), `uart_sim/` (API driver and flash, capture and drive runner for the simulated UART sensors), `remote_base/` (loopback runner and API log decoder per sent frame).
+capture decoder), `api_outgoing/` (wake cycle and Wi-Fi drop timing readers), `ld2450/` (zone number driver, loopback harness driver with number and binary sensor states and TX frame summarizer), `api/` (raw plaintext native API client for user defined actions, store_yaml recovery client over Noise or plaintext), `http_request/` (update manifest server, update state driver, request test server, action case driver, concurrency, reboot, update check and OTA drivers, `ota_auth/` OTA request cases with basic auth), `modem/` (button and sensor driver over the plaintext API, also used for the BLE MIDI boards), `dfrobot_sen0395/` (API driver and case runner), `homeassistant_light/` (direct bulb driver, held-report case driver), `usb_audio/` (URL player), `speaker_media_player/` (API player driver, pipeline task case runner), `web_server/` (SSE client, request mix, SSE and HTTPD case runners), `mqtt/` (broker config with TLS, client-certificate and WebSocket listeners, test CA with server and client certificates, transport case runner, flash-and-drive runner, CLI TLS check without a board, MAC suffix runner with per-variant configs for two boards, `shutdown/` shutdown message runner and matcher), `udp/` (datagram recorder, `udp.write` payload checker and case driver), `entity_icons/` (icon and device class readback over the API, MQTT discovery, web_server and dump_config, with a comparer), `uart_sim/` (API driver and flash, capture and drive runner for the simulated UART sensors), `remote_base/` (loopback runner and API log decoder per sent frame), `xiaomi_ble/` (frame and header generator with the expected counts, injecting, advertising and receiving configs, counter and runner), `ble_terminate/` (proxy and peer configs, connect and disconnect driver, peer disconnect matcher, runner), `i2c_slave/` (D1 mini slave and BK7238 master configs), `wpa3_ap/` (PMF AP with join and leave logging, BK7238 and CB3S DUTs, runner and summary), `wisp_ap/` (WISP upstream with AP buttons, WISP and ALWAYS_ON DUTs, client, runner and per phase summary), `wifi_restart/` (WPA3 mixed WISP upstream, static IP DUTs with syslog, runner and summary), `ota_timing/` (OTA upload timer with deflate, raw and TCP modes, API build check, A/B runner and median summary, `inflate_bench/` on-device inflate benchmark with stream generator, configs and syslog runner).

 ## Templates in `$SKILL/templates`

@@ -125,6 +125,11 @@ Ports are not listed on purpose: they follow the USB hub port and change on ever
 - The BK7238 bootloader prints `App verify failed! Need to recovery factory firmware.` on every boot with any
  build; it is harmless. Even with the right layout an ESP32 client did not see the BK7238 fallback AP on
  LibreTiny 1.13.0 or 1.14.0, so the wifisave hammer cannot run on it.
+- Moving a BK7231N device (CB3S) that sits on its fallback AP to another network: join the host's Wi-Fi to
+  `<name>-fallback`, OTA to 192.168.4.1, then rejoin the host's own network. Moving it with `/wifisave` instead can
+  leave it in the captive portal's BLIND_RETRY state (no scan, `Beacon Timeout` every 46 s) until it reboots, and a
+  log-only serial adapter cannot reset it. Rejoining may change the host's address; update a syslog target that
+  points at the old one.
 - Callbacks run on the `async_tcp` task and log lines can lose a byte. Wi-Fi connect takes tens of ms;
  radio enable 160 to 278 ms, disable about 200 ms.

@@ -172,6 +177,12 @@ Ports are not listed on purpose: they follow the USB hub port and change on ever
  the port open, and the logger warns `logger took a long time`. Print one line per `loop()` instead.
 - Zephyr settings survive a reflash: key a `restore_value` global by a `run` substitution when a test needs
  a never-saved value.
+- Thread: nRF52 `openthread:` accepts only `tlv:`; the individual keys (network_key, channel, ...) are rejected at
+  validation. To list nearby networks with channel and PAN ID, call
+  `otThreadDiscover(InstanceLock::acquire().get_instance(), 0, 0xFFFF, false, false, cb, nullptr)` from an
+  `interval:` lambda in an included header; results arrive on the OpenThread thread and log fine.
+- A wrong network key on a real network's channel and PAN ID makes the device form its own partition as leader on
+  that PAN within about 30 s; take it off Thread at once. Never try guessed datasets against a network in use.

 ## Waveshare ESP32-S3-ETH with the OV5640 camera module

@@ -19,12 +19,12 @@ One file per component, named after it:
 - [`nrf52.md`](nrf52.md): dongle board support
 - [`online_image.md`](online_image.md): stalled and malformed downloads, PNG, JPEG, BMP and QOI decode time per loop pass with large images and small buffers
 - [`openthread.md`](openthread.md): border router on the S3 host plus H2 RCP
- [`ota.md`](ota.md): overlap and lock, timeouts, deflate
+- [`ota.md`](ota.md): overlap and lock, timeouts, deflate, upload timing A/B per build and board with deflate and raw, on-device inflate benchmark
 - [`rtsp_server.md`](rtsp_server.md): camera streaming on the Waveshare ESP32-S3-ETH
 - [`scheduler.md`](scheduler.md): loop wake A/B
 - [`udp.md`](udp.md): datagrams, multicast, sockets, `udp.write` payload shapes
 - [`usb_cdc_acm.md`](usb_cdc_acm.md): nRF52840 dongle host driver
- [`wifi.md`](wifi.md): reboot_timeout with a fallback AP, DHCP lease cache, Easy Connect (DPP), WISP bridge with an ethernet upstream
+- [`wifi.md`](wifi.md): reboot_timeout with a fallback AP, DHCP lease cache, Easy Connect (DPP), WISP bridge with an ethernet upstream, reboots against a WPA2/WPA3 PMF access point, WISP and ALWAYS_ON AP switching, AP restarts with WPA3 mixed and LIGHT power save
 - [`zephyr.md`](zephyr.md): preferences on the nRF52840 dongle
 - [`zephyr_coredump.md`](zephyr_coredump.md): crash and decode on nRF52 boards
 - [`zwave_proxy.md`](zwave_proxy.md): frame checksums on a live proxy
@@ -38,3 +38,6 @@ One file per component, named after it:
 - [`gpio_expander.md`](gpio_expander.md): interrupt driven expander inputs, loop idle checks, testing a device out of reach
 - [`led_strip.md`](led_strip.md): forcing a failed strip allocation, RMT symbols on the S3
 - [`remote_base.md`](remote_base.md): remote_receiver protocol decoding through a one-pin loopback on ESP32 and ESP8266, no IR hardware
+- [`xiaomi_ble.md`](xiaomi_ble.md): Xiaomi, ATC and PVVX parsing by injecting scan results into the ESP32 tracker or advertising them from a second ESP32, real AES-CCM frames, duplicate filter model
+- [`ble_terminate.md`](ble_terminate.md): proxy disconnect against a peer with peripheral latency
+- [`i2c_slave.md`](i2c_slave.md): fake I2C slave on a D1 mini, ESP32 hardware master as the control
@@ -0,0 +1,17 @@
+# BLE terminate with peripheral latency (#20232)
+
+`scripts/ble_terminate`: an ESP32-S3 `bluetooth_proxy` (active) over Ethernet as the central (`btproxy.yaml`) and a
+classic devkit `esp32_ble_server` peer (`btpeer.yaml`). The peer asks for 50 ms / latency 10 / 6 s with
+`esp_ble_gap_update_conn_params` 4 s after connect; earlier requests are overwritten by the proxy's own "medium
+conn params" after service discovery. Read the proxy's `Conn params updated` line (VERBOSE, API logs) to confirm;
+the peer side never logs the event. The proxy only connects to a device its scanner has seen, so `btdrive.py`
+subscribes to raw advertisements first.
+
+Measure the peer's own disconnect (`serial_capture.py --ms`) after the client's disconnect: about 0.2 to 0.8 s when
+the terminate arrived, about 6 s (the supervision timeout) when it was lost. The client side disconnect time is the
+API reply and says nothing. On dev the S3 lost 6 of 12; the PR lost 0 of 16.
+
+`run.sh LABEL ROUNDS` writes `central_bda.hpp` from `PROXY_BT_MAC`, builds and flashes both boards, runs the rounds
+and `an.py`, which prints PASS only when every round completed, every peer disconnect came within 3 s and the last
+parameter update the proxy logged before each disconnect had latency=10 (a round without it did not test peripheral
+latency and counts as inconclusive).
@@ -0,0 +1,12 @@
+# Fake I2C slave (#21586)
+
+`scripts/i2c_slave`: a D1 mini running an Arduino `Wire` slave at 0x40 (`i2cslave.yaml` with `i2cslave.hpp`): a fake
+HDC1080 plus a 256 byte register file, and reads of 0x7E and 0x7F stretch the clock for 0.5 and 5 ms. It needs
+`libraries: [Wire]` and 160 MHz. With jumper wires only and the internal pull ups it works to about 50 kHz; it cannot
+keep up with a true 100 kHz hardware master.
+
+The master (`i2cbk.yaml`, a BK7238 on P26/P24, needs the software I2C bus from that PR) writes a counter, reads it
+back with a repeated start, probes an absent address and reads both stretch registers every 2 s, logging `RW OK`
+(the read back matches, the absent address NACKs and both stretched reads succeed) or `RW BAD` with running totals.
+Control: the same blocks on a classic ESP32 devkit (SDA GPIO21, SCL GPIO22) with hardware I2C at 25 and 50 kHz got
+every repeated start read right, so failures on a bit banged master at a similar real clock point at the master.
@@ -4,3 +4,10 @@

 Test config: the two LEDs as inverted GPIO outputs, the button as an inverted pull-up binary sensor, a
 10 s alive interval. To retest the nrfutil download path, move the cached `sdk-nrf/nrfutil` aside first.
+
+## ItsyBitsy over UF2 when serial DFU fails (#20481)
+
+Serial DFU to the ItsyBitsy nRF52840 fails about half the time ("Target is not in DFU mode"). Reliable path: a
+1200 baud touch on the app port, wait for the `ITSY840BOOT` volume, convert `zephyr/zephyr.hex` with the SDK's
+`zephyr/scripts/build/uf2conv.py -f 0xADA52840 -c` and copy the .uf2 to the volume (the copy ends in an I/O error
+when the board reboots, which is normal). macOS BLE scans give UUIDs, not MAC addresses.
@@ -6,3 +6,46 @@ All overlap orders (a web upload during a native OTA and the reverse) must be re
 after an interrupted web upload waits about 14 s (ESP8266) or 7 s (ESP-IDF) for disconnect detection. A
 refused web client on `web_server_idf` never gets the busy reply; the connection drops at reboot.
 `pkill -f "a\|b"` does not alternate; use two pkills.
+
+## OTA upload timing A/B (#21639, #21641, #21642)
+
+`scripts/ota_timing/run.sh N PHASE...` times native OTA uploads per build (phase) and per board. It builds every
+board from `TREE_<PHASE>`, does one warm-up upload per board (it installs the phase's build and is left out of the
+results), checks over the API that each board reports the compile time from that build's `build_info.json`
+(`apiinfo.py`), then runs N rounds of every mode on every board. Boards are interleaved per round so they share the
+same air; put a nearby ESP32 on the same Wi-Fi in `BOARDS` as a network control. `summ.py` prints medians: never
+judge from single runs, slow Wi-Fi gave 33 to 235 s for the same upload in one night.
+
+- `otatime.py` drives `espota2.run_ota()` from the tree on `PYTHONPATH` and prints one `RESULT` line with the
+  `Update took` split, the compressed size, whether UDP was used and the time at each tenth of the upload.
+  An upload that leaves no `RESULT` line (board gone, script crash, timeout) is recorded as `rc: -1`, and `summ.py`
+  fails when a board and mode has fewer than N rows or an upload time cannot be read.
+- Boards with an `api: encryption: key` also encrypt OTA: set `API_KEY` for `otatime.py` and `apiinfo.py`. LibreTiny
+  LN882H listens for OTA on 8820, not 8892; BK72xx and RTL87xx use 8892.
+- Raw mode leaves `CLIENT_FEATURE_SUPPORTS_DEFLATE` out of the client's offer. Never switch deflate off after the
+  offer (`if deflate and 0:`): once the device accepted deflate it expects a deflate stream.
+- `-tcp` modes make `espota2._loss_reason` return None, so the client asks to stay on TCP. Clearing
+  `CLIENT_FEATURE_SUPPORTS_UDP` instead desyncs the handshake (`receiving UDP token response: timed out`).
+- LibreTiny trimmed UF2 (#21642): the CLI sends what `esphome.components.libretiny.uf2.device_ota_uf2()` returns for
+  `firmware.uf2`; that module only exists with #21642, so on older trees the full UF2 goes out. Compare the sizes
+  in the `Compressed to` lines, and rely on the API compile time check to show that the trimmed image booted.
+
+Results: https://github.com/esphome/esphome/issues/21639#issuecomment-6409628227 (dev and LibreTiny 1.14.0 on a
+CB3S), https://github.com/esphome/esphome/pull/21642#issuecomment-6412972562 (trimmed UF2 on CB3S, BK7238 and BW15),
+https://github.com/esphome/esphome/pull/21641#issuecomment-6412976859 (new decoder on the same three).
+
+## On-device inflate benchmark (#21639, #21641)
+
+`scripts/ota_timing/inflate_bench`: `gen_streams.py NAME=IMAGE...` cuts a 128 KB slice from each image and writes
+`bench_streams.hpp` with raw deflate streams (level 9, 4 KB and 32 KB windows). `bench.hpp` inflates every stream with
+each ring size at least the encoder window, three times, and logs the best time plus input and output rates, then
+`BENCHDONE`. `bench.sh CONFIG DEVICE` builds and uploads `bench-esp32s3.yaml` or `bench-bk72xx.yaml`, collects one pass
+over syslog and fails when a case did not reach the end of its stream.
+
+- LibreTiny defines `micros` as a macro, so the header calls `(esphome::micros)()`.
+- Keep the streams near 130 KB on a BK7231N: an image with about 330 KB of extra incompressible data failed its
+  OTA with "Writing OTA data to flash memory failed". Use one image and `--windows 12` there.
+- `bench.hpp` targets the decoder interface with `dest_limit`. #21641 drops it (the output runs into the window up
+  to `dest`); after that lands, remove the `dest_limit` line.
+
+Results: https://github.com/esphome/esphome/issues/21639#issuecomment-6409786224
@@ -37,3 +37,44 @@ AP start (the fix in that PR), the first AP start failed on every boot with `esp
 (DHCP server already started by the AP start event) and `Failed to enable NAT`, and the bridge only came up on the
 retry 90 s later; a client that cannot find the SSID for the first minute on an older build is that. With the fix
 the bridge is up 6 s after boot. Any change to the ESP-IDF AP start should also rerun the captive portal hammer.
+
+## Reboot against a WPA2/WPA3 PMF access point (#21590)
+
+- AP: `scripts/wpa3_ap/wdap.yaml` on a classic devkit. ESPHome `wifi: ap:` only, then an on_boot lambda switches it
+  to `WIFI_AUTH_WPA2_WPA3_PSK`, PMF capable, and registers a WIFI_EVENT handler that logs `STA JOIN` and
+  `STA LEAVE ... reason N` (the include header pulls in `esp_wifi.h`). It disables Wi-Fi after 420 s.
+- AP leave reason 3 means the station sent a deauth; reason 2 means the AP found a stale association when the
+  station came back; several reason 2 before one join are rejected reconnects.
+- DUTs (`wdbk.yaml` BK7238, `wdcb.yaml` CB3S, both on `wd-common.yaml`) list the AP at priority 10 and the house
+  network at 0, and reboot 30 s after joining the AP and 150 s after joining the house network. So they move to the
+  AP while it is up and fall back to the house network (where they can be flashed over the air) once its window
+  ends. `run.sh BUILD` flashes the AP, does OTA for the CB3S and a serial flash for the BK7238, then captures one AP
+  window; `an.py` prints each station's join and leave sequence and fails on a rejected reconnect, an AP that did
+  not switch to WPA2/WPA3 (`AP CONFIG FAILED`), a DUT missing from the AP events (`DUT_MACS`) or a BK7238 that never
+  joined the AP.
+- Gotchas: the LibreTiny build directory has two `.uf2` files, so flash `firmware.uf2`. The BK7238 serial flash
+  sometimes fails to link while the chip is in a reboot loop; retry it 3 or 4 times. OTA fails if the DUT reboots
+  mid-upload; retry.
+- Finding: BDK 3.0.78 rejects about 2 reconnects per reboot when the station left without a deauth; BDK 3.0.33
+  does not.
+
+## WISP and ALWAYS_ON AP rig (#20077)
+
+`scripts/wisp_ap`: the upstream is an ESP32-S3 with Ethernet running a WISP bridge (`wisp-upstream.yaml`) with its AP on
+10.40.0.1/24 and web buttons `ap off` and `ap on`. Its subnet must not be 192.168.4.0/24, the DUT AP's default, or
+nothing routes. The DUT is a classic devkit (`dut-wisp.yaml` or `dut-always-on.yaml`); the client is a D1 mini on
+the DUT's AP (`wispcli.yaml`) logging its DNS server, a name lookup, a GET by name, the AP itself and a LAN file by
+IP. `run.sh DUT START SECONDS T:STATE...` switches the upstream AP at the given times and `sum.py` groups the client
+results by phase. Capture the D1 mini without `--reset` (a CH340 floods garbage after an RTS reset). Clients keep
+the captive portal's DNS answer for its TTL.
+
+## AP restart with WPA3 mixed and LIGHT power save (#21531)
+
+`scripts/wifi_restart`: the WISP upstream (`wisp-upstream-wpa3.yaml`) switched to WPA2/WPA3 mixed by a script that
+runs again after every `ap on`, DUTs (`rebk.yaml`, `recb.yaml` on `re-common.yaml`) with a static IP on the bridge's
+subnet, a fallback AP, `power_save_mode: LIGHT` and syslog to the host through the NAT. `run.sh BUILD` switches the
+AP off and on three times; `an.py` fails on a reboot, a crash or a DUT that is not back on syslog within 120 s of an
+AP start. After 19 minutes the DUTs run `wifi.configure` to the house network; that keeps the static IP, so the next
+OTA needs the host to have an address on the bridge's subnet as well (an interface alias). The CB3S log is on UART1
+(TX1), so its configs need `logger: hardware_uart: UART1`. Runners must `pkill` only their own ports; a global pkill
+stops the other runs' captures.
@@ -0,0 +1,36 @@
+# Xiaomi BLE
+
+## Xiaomi, ATC and PVVX parsing without the sensors (#21483)
+
+No Xiaomi devices are needed, and one ESP32 cannot hear its own advertising, so the frames are injected into the
+tracker as scan results: everything after the radio runs as normal.
+
+- `scripts/xiaomi_ble/gen.py` writes `frames.hpp` and `expected.json`: plain MiBeacon (0x50), encrypted v5 23 byte
+  with MAC and 19 byte without, real AES-CCM (`cryptography` AESCCM, tag 4, AAD 0x11, nonce = MAC reversed + pid +
+  cnt + 3 byte ext counter), ATC (13 byte, big endian) and PVVX (15 byte, little endian) 0x181A frames, a corrupted
+  tag every other cycle and a counter 0 boot frame. It models the old shared duplicate counter (`base`) and the per
+  device one (`pr`) and prints the expected publish counts.
+- `xbinject.yaml` (ESP-IDF devkit) includes `frames.hpp`; an `interval:` builds a `BLEScanResult` and calls
+  `global_esp32_ble_tracker->gap_scan_event_handler(r)`. `count.py` counts the `Got Xiaomi` blocks (sensor
+  publishes are not logged at DEBUG) and compares them with `expected.json`.
+- On ESP32 the tracker's own triggers sit in `listeners_`, which runs before `neutral_listeners_` (the
+  ble_device_base devices), so an `on_ble_service_data_advertise` never sees what a Xiaomi listener did to the
+  shared data. Check that directly: `xb_rewrite_probe(id(xa))` builds an `ESPBTDevice` with `parse_scan_rst()`,
+  calls the component's `parse_device()` and logs the service data before and after (`[probe` lines).
+- `run.sh inject pr|base` builds, flashes, captures and prints PASS when the counts match that build's model and,
+  on the PR build, the probe's service data is the same before and after `parse_device()`.
+  Base dropped a second device's frame with the same counter, the frame after a bad tag and a first frame with
+  counter 0, and rewrote the shared data in place; the PR fixed all of them.
+
+## Over the air with a second ESP32
+
+- Advertiser: an ESP32-S3 with Ethernet (OTA over Ethernet), `xbadv.yaml` with `adv_frames.hpp` from
+  `gen.py --ota`. Per frame: stop advertising, `esp_ble_gap_set_rand_addr`, `config_adv_data_raw`, start
+  non-connectable advertising with `own_addr_type` random, 20 ms interval, 250 ms dwell. Random static addresses
+  need the top two bits set, so these use C4:C1:38 instead of A4. `esp32_ble:` alone brings up the stack. The
+  web_server button starts a run: `curl -X POST -d "" http://<advertiser>/button/start/press` (no body gives 411).
+- Receiver: `xbrecv.yaml` on the devkit, passive scan with window = interval = 100 ms. `run.sh ota pr|base` (with
+  `ADV` set) flashes it, resets it with a capture and presses start 18 s later, so the counter 0 boot frame is the
+  first one it hears.
+- Each frame arrives about 4 times; the counts matched the injection run exactly apart from one radio loss, so the
+  over the air comparison allows two missing publishes per tag.
@@ -0,0 +1,90 @@
+"""Match each proxy disconnect with the peer's own disconnect line and count the links the peer kept.
+Usage: an.py DIR LABEL [ROUNDS]   reads LABEL-drive.txt, LABEL-peer.txt (serial_capture --ms) and LABEL-proxy.txt
+(esphome logs, VERBOSE). A round counts only when the last `Conn params updated` the proxy logged since the previous
+disconnect shows latency=10; otherwise it is inconclusive. Exits 1 when the peer kept a link past 3 s (the terminate
+was lost), a round was inconclusive, or fewer than ROUNDS rounds completed."""
+
+import datetime as dt
+from pathlib import Path
+import re
+import sys
+
+D, label = Path(sys.argv[1]), sys.argv[2]
+ROUNDS = int(sys.argv[3]) if len(sys.argv) > 3 else None
+
+
+def read(name: str) -> list[str]:
+    return (
+        (D / f"{label}-{name}.txt")
+        .read_text(encoding="utf-8", errors="replace")
+        .splitlines()
+    )
+
+
+def ptime(line: str) -> float | None:
+    """Seconds since midnight from a leading [HH:MM:SS.mmm] stamp."""
+    m = re.match(r"\[(\d+):(\d+):(\d+)\.(\d+)\]", line)
+    return (
+        int(m[1]) * 3600 + int(m[2]) * 60 + int(m[3]) + int(m[4]) / 1000 if m else None
+    )
+
+
+pdisc = [
+    t
+    for line in read("peer")
+    if "PEER DISCONNECT" in line and (t := ptime(line)) is not None
+]
+params = [
+    (t, int(m[1]))
+    for line in read("proxy")
+    if "Conn params updated" in line
+    and (m := re.search(r"latency=(\d+)", line))
+    and (t := ptime(line)) is not None
+]
+res = []
+prev = -1.0
+for line in read("drive"):
+    m = re.search(
+        r"R(\d+) .*DISC_CALL ([\d.]+) DISC_DONE ([\d.]+) \(\+([\d.]+)s\)", line
+    )
+    if not m:
+        if line.startswith("R"):
+            print("  ", line)
+        continue
+    # Both captures stamp local wall clock time; compare as seconds since midnight.
+    t = dt.datetime.fromtimestamp(float(m[2])).astimezone()
+    tc = t.hour * 3600 + t.minute * 60 + t.second + t.microsecond / 1e6
+    after = [p - tc for p in pdisc if -1 < p - tc < 12]
+    window = [lat for pt, lat in params if prev < pt <= tc]
+    res.append(
+        (
+            int(m[1]),
+            float(m[4]),
+            after[0] if after else None,
+            window[-1] if window else None,
+        )
+    )
+    prev = tc
+for r, done, pd, lat in res:
+    peer = (
+        f"peer disconnect +{pd:.2f}s" if pd is not None else "peer disconnect not seen"
+    )
+    print(f"  R{r:2} central done +{done:.3f}s  {peer}  latency at disconnect {lat}")
+late = sum(1 for _, _, pd, lat in res if lat == 10 and (pd is None or pd > 3))
+inconclusive = sum(1 for *_, lat in res if lat != 10)
+print(
+    f"{label}: rounds {len(res)}, peer kept the link (>3 s or not seen) {late}, inconclusive {inconclusive}"
+)
+failed = []
+if not res:
+    failed.append("no round completed")
+if ROUNDS is not None and len(res) < ROUNDS:
+    failed.append(f"only {len(res)} of {ROUNDS} rounds completed")
+if late:
+    failed.append(f"{late} links kept")
+if inconclusive:
+    failed.append(
+        f"INCONCLUSIVE: {inconclusive} rounds had no latency=10 update before the disconnect"
+    )
+print(f"PASS: {label}" if not failed else f"FAIL: {label}: " + "; ".join(failed))
+sys.exit(1 if failed else 0)
@@ -0,0 +1,100 @@
+"""Connect to the peer through the proxy, read its services, idle, disconnect; print host timestamps per round.
+Usage: btdrive.py PROXY KEY PEER_MAC ROUNDS IDLE_S"""
+
+import asyncio
+import sys
+import time
+
+from aioesphomeapi import APIClient, APIConnectionError
+
+
+async def main(host: str, key: str, peer: str, rounds: int, idle: float) -> int:
+    addr = int(peer.replace(":", ""), 16)
+    cli = APIClient(host, 6053, None, noise_psk=key)
+    await cli.connect(login=True)
+    info = await cli.device_info()
+    print(f"proxy {info.name} bt_mac {info.bluetooth_mac_address}", flush=True)
+    seen = 0
+
+    def adv(msg) -> None:
+        nonlocal seen
+        seen += sum(a.address == addr for a in msg.advertisements)
+
+    # The proxy only connects to a device its scanner has seen.
+    cli.subscribe_bluetooth_le_raw_advertisements(adv)
+    await asyncio.sleep(5)
+    print(f"peer advertisements seen in 5 s: {seen}", flush=True)
+    if not seen:
+        print("FAIL: the proxy does not see the peer", flush=True)
+        await cli.disconnect()
+        return 1
+    done = 0
+    for r in range(1, rounds + 1):
+        state: asyncio.Queue = asyncio.Queue()
+
+        def cb(
+            connected: bool, mtu: int, err: int, state: asyncio.Queue = state
+        ) -> None:
+            state.put_nowait((connected, err, time.time()))
+
+        t0 = time.time()
+        try:
+            cancel = await cli.bluetooth_device_connect(
+                addr, cb, timeout=20, address_type=0, feature_flags=0xFF
+            )
+        except (APIConnectionError, TimeoutError) as e:
+            print(f"R{r} CONNECT ERROR {type(e).__name__}", flush=True)
+            await asyncio.sleep(9)
+            continue
+        try:
+            c, err, t = await asyncio.wait_for(state.get(), 25)
+        except TimeoutError:
+            print(f"R{r} CONNECT TIMEOUT", flush=True)
+            cancel()
+            await asyncio.sleep(8)
+            continue
+        if not c:
+            print(f"R{r} CONNECT FAIL err {err} after {t - t0:.2f}s", flush=True)
+            cancel()
+            await asyncio.sleep(8)
+            continue
+        try:
+            n = len((await cli.bluetooth_gatt_get_services(addr)).services)
+        except (APIConnectionError, TimeoutError) as e:
+            n = f"err {e!r}"
+        await asyncio.sleep(idle)
+        td = time.time()
+        await cli.bluetooth_device_disconnect(addr)
+        try:
+            c2, err2, t2 = await asyncio.wait_for(state.get(), 15)
+            if c2 or not isinstance(n, int):
+                # an unexpected connect state or a failed service read: the round did not run as intended
+                print(
+                    f"R{r} BAD ROUND services {n} connected {c2} err {err2}", flush=True
+                )
+            else:
+                print(
+                    f"R{r} services {n} DISC_CALL {td:.3f} DISC_DONE {t2:.3f} (+{t2 - td:.3f}s) err {err2}",
+                    flush=True,
+                )
+                done += 1
+        except TimeoutError:
+            print(
+                f"R{r} services {n} DISC_CALL {td:.3f} no disconnect state", flush=True
+            )
+        cancel()
+        await asyncio.sleep(
+            9
+        )  # a peer that missed the terminate hits its 6 s supervision timeout in this gap
+    await cli.disconnect()
+    print(f"rounds completed {done} of {rounds}", flush=True)
+    return 0 if done == rounds else 1
+
+
+sys.exit(
+    asyncio.run(
+        main(
+            sys.argv[1], sys.argv[2], sys.argv[3], int(sys.argv[4]), float(sys.argv[5])
+        )
+    )
+)
@@ -0,0 +1,17 @@
+#pragma once
+#include <cstring>
+#include <esp_gap_ble_api.h>
+#include "esphome/core/log.h"
+#include "central_bda.hpp"  // written by run.sh from PROXY_BT_MAC
+
+// 50 ms interval, peripheral latency 10, 6 s supervision timeout
+inline void btpeer_request_latency() {
+  esp_ble_conn_update_params_t p{};
+  memcpy(p.bda, CENTRAL_BDA, 6);
+  p.min_int = 40;
+  p.max_int = 40;
+  p.latency = 10;
+  p.timeout = 600;
+  esp_err_t err = esp_ble_gap_update_conn_params(&p);
+  ESP_LOGI("peer", "requested interval 50 ms latency 10 timeout 6 s: %d", err);
+}
@@ -0,0 +1,36 @@
+esphome:
+  name: btpeer
+  includes:
+    - btpeer.hpp
+    - central_bda.hpp
+
+esp32:
+  board: esp32dev
+  framework:
+    type: esp-idf
+
+logger:
+  level: VERBOSE
+  logs:
+    esp32_ble: VERBOSE
+    scheduler: DEBUG
+    component: DEBUG
+
+esp32_ble:
+  max_connections: 1
+
+esp32_ble_server:
+  manufacturer: test
+  on_connect:
+    - lambda: ESP_LOGI("peer", "PEER CONNECT conn %u", (unsigned) id);
+    - delay: 4s
+    - lambda: btpeer_request_latency();
+  on_disconnect:
+    - lambda: ESP_LOGI("peer", "PEER DISCONNECT conn %u", (unsigned) id);
+  services:
+    - uuid: 6e400001-b5a3-f393-e0a9-e50e24dcca9e
+      advertise: true
+      characteristics:
+        - uuid: 6e400002-b5a3-f393-e0a9-e50e24dcca9e
+          read: true
+          value: "peer"
@@ -0,0 +1,44 @@
+substitutions:
+  name: btproxy
+
+esphome:
+  name: ${name}
+
+esp32:
+  board: esp32-s3-devkitc-1
+  variant: esp32s3
+  flash_size: 16MB
+  framework:
+    type: esp-idf
+
+logger:
+  hardware_uart: USB_SERIAL_JTAG
+  level: VERBOSE
+  logs:
+    scheduler: DEBUG
+    component: DEBUG
+    esp32_ble_tracker: DEBUG
+
+ethernet:
+  type: W5500
+  clk_pin: GPIO13
+  mosi_pin: GPIO11
+  miso_pin: GPIO12
+  cs_pin: GPIO14
+  interrupt_pin: GPIO10
+  reset_pin: GPIO9
+
+api:
+  encryption:
+    key: !secret api_key
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+esp32_ble_tracker:
+  scan_parameters:
+    active: false
+
+bluetooth_proxy:
+  active: true
@@ -0,0 +1,31 @@
+#!/bin/bash
+# usage: run.sh LABEL ROUNDS   build both boards, then ROUNDS connect/disconnect rounds through the proxy
+# Copy this directory into a scratch directory with a secrets.yaml (api_key, base64 Noise key) and run it there.
+# env: TREE (esphome checkout to build the proxy from), PORT (peer devkit serial port), PROXY (proxy address, flashed
+# over the air; the first flash of a fresh board goes over USB), PROXY_BT_MAC (the proxy's Bluetooth MAC, printed by
+# btdrive.py as bt_mac), PEER_MAC (the peer's Bluetooth MAC, base MAC + 2 on a classic ESP32), SC (path to
+# serial_capture.py), PY (checkout python), PEER_TREE (checkout for the peer, defaults to TREE)
+D=$(cd "$(dirname "$0")" && pwd); L=${1:?label}; N=${2:-12}; T=${TREE:?set TREE}; PT=${PEER_TREE:-$T}
+P=${PORT:?set PORT}; S3=${PROXY:?set PROXY}; SC=${SC:?set SC}; PY=${PY:-$T/venv/bin/python}
+PEER=${PEER_MAC:?set PEER_MAC}; CM=${PROXY_BT_MAC:?set PROXY_BT_MAC}
+KEY=$(sed -n 's/^api_key: *"\{0,1\}\([^"]*\)"\{0,1\}$/\1/p' "$D/secrets.yaml")
+[ -n "$KEY" ] || { echo "FAIL: no api_key in secrets.yaml"; exit 1; }
+cd "$D" || exit 1
+printf '#pragma once\n#include <cstdint>\nstatic const uint8_t CENTRAL_BDA[6] = {0x%s};\n' "${CM//:/, 0x}" > central_bda.hpp
+(cd "$PT" && PYTHONUNBUFFERED=1 timeout 1500 $PY -m esphome run --no-logs "$D/btpeer.yaml" --device "$P" > "$D/$L-peer-upload.log" 2>&1) \
+  || { echo "FAIL: peer build or upload failed"; exit 1; }
+(cd "$T" && PYTHONUNBUFFERED=1 timeout 1500 $PY -m esphome run --no-logs "$D/btproxy.yaml" --device "$S3" > "$D/$L-proxy-upload.log" 2>&1) \
+  || { echo "FAIL: proxy build or upload failed"; exit 1; }
+SECS=$((N * 26 + 40))
+pkill -f "[s]erial_capture.py $P"
+$PY "$SC" "$P" $SECS "$D/$L-peer.txt" --ms > /dev/null 2>&1 & CAP=$!
+(cd "$T" && PYTHONUNBUFFERED=1 exec timeout $((SECS - 10)) $PY -m esphome logs "$D/btproxy.yaml" --device "$S3" > "$D/$L-proxy.txt" 2>&1) & LOGS=$!
+trap 'kill $CAP $LOGS 2>/dev/null' EXIT
+sleep 6
+$PY "$D/btdrive.py" "$S3" "$KEY" "$PEER" "$N" 10 > "$D/$L-drive.txt" 2>&1; RC=$?
+sleep 10
+kill $CAP $LOGS 2>/dev/null; wait 2>/dev/null; trap - EXIT
+[ -s "$D/$L-peer.txt" ] || { tail -3 "$D/$L-drive.txt"; echo "FAIL: peer capture got nothing"; exit 1; }
+$PY "$D/an.py" "$D" "$L" "$N"; ARC=$?
+[ "$RC" = 0 ] || { tail -1 "$D/$L-drive.txt"; echo "FAIL: driver rc $RC (not every round completed)"; exit 1; }
+exit $ARC
@@ -0,0 +1,79 @@
+# BK7238 bit banged master; needs the BK72xx software I2C bus from #21586 (dev rejects the pins).
+# The ESP32 control is the same i2c, sensor and interval blocks on a devkit (sda GPIO21, scl GPIO22, 25 or 50 kHz).
+substitutions:
+  frequency: 100kHz
+
+esphome:
+  name: i2cbk
+
+bk72xx:
+  board: xh-wb3s
+
+logger:
+  hardware_uart: UART1
+  level: DEBUG
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+
+api:
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+i2c:
+  id: bus
+  sda: P26
+  scl: P24
+  scan: true
+  frequency: ${frequency}
+  timeout: 20ms  # clock stretch limit; the bus default (1 ms) is shorter than the slave's 5 ms stretch
+
+sensor:
+  - platform: hdc1080
+    address: 0x40
+    update_interval: 5s
+    temperature:
+      name: fake temperature
+    humidity:
+      name: fake humidity
+
+globals:
+  - id: n
+    type: uint8_t
+    initial_value: "0"
+  - id: n_ok
+    type: uint32_t
+    initial_value: "0"
+  - id: n_bad
+    type: uint32_t
+    initial_value: "0"
+
+interval:
+  - interval: 2s
+    then:
+      - lambda: |-
+          uint8_t k = ++id(n);
+          uint8_t w[4] = {0x20, k, (uint8_t) ~k, 0xA5};
+          uint32_t t0 = micros();
+          auto e1 = id(bus)->write(0x40, w, 4);
+          uint8_t reg = 0x20, r[3] = {0, 0, 0};
+          auto e2 = id(bus)->write_readv(0x40, &reg, 1, r, 3);
+          uint32_t t1 = micros();
+          uint8_t x;
+          auto e3 = id(bus)->read(0x41, &x, 1);
+          uint8_t s1 = 0x7E, s2 = 0x7F, rr[2];
+          uint32_t t2 = micros();
+          auto e4 = id(bus)->write_readv(0x40, &s1, 1, rr, 2);
+          uint32_t t3 = micros();
+          auto e5 = id(bus)->write_readv(0x40, &s2, 1, rr, 2);
+          uint32_t t4 = micros();
+          // the absent address must NACK and both clock stretched reads must succeed
+          bool ok = e1 == 0 && e2 == 0 && r[0] == k && r[1] == (uint8_t) ~k && r[2] == 0xA5 && e3 != 0 && e4 == 0 &&
+                    e5 == 0;
+          if (ok) id(n_ok)++; else id(n_bad)++;
+          ESP_LOGI("t", "RW %s e1 %d e2 %d got %02X %02X %02X want %02X %02X A5 | %u us | absent e %d | stretch500 e %d %u us | stretch5ms e %d %u us | ok %u bad %u",
+                   ok ? "OK" : "BAD", e1, e2, r[0], r[1], r[2], k, (uint8_t) ~k, (unsigned) (t1 - t0), e3, e4,
+                   (unsigned) (t3 - t2), e5, (unsigned) (t4 - t3), (unsigned) id(n_ok), (unsigned) id(n_bad));
@@ -0,0 +1,50 @@
+#pragma once
+#include <Wire.h>
+#include "esphome/core/log.h"
+
+// Fake HDC1080 at 0x40: 0x00 temperature (26.0 C), 0x01 humidity (50 %), other registers are a
+// 256 byte file; reading 0x7E holds SCL for 500 us, reading 0x7F for 5 ms.
+static volatile uint8_t SL_REGS[256];
+static volatile uint8_t sl_ptr = 0;
+static volatile uint32_t sl_rx = 0, sl_tx = 0, sl_stretch = 0;
+
+static void sl_on_receive(int n) {
+  if (n < 1)
+    return;
+  sl_ptr = Wire.read();
+  uint8_t p = sl_ptr;
+  while (--n > 0 && Wire.available())
+    SL_REGS[p++] = Wire.read();
+  sl_rx++;
+}
+
+static void sl_on_request() {
+  uint8_t b[8];
+  uint8_t p = sl_ptr;
+  sl_tx++;
+  if (p == 0x7E || p == 0x7F) {
+    sl_stretch++;
+    delayMicroseconds(p == 0x7E ? 500 : 5000);
+  }
+  for (int i = 0; i < 8; i++)
+    b[i] = SL_REGS[(uint8_t) (p + i)];
+  if (p == 0x00) {
+    b[0] = 0x66;
+    b[1] = 0x66;
+  } else if (p == 0x01) {
+    b[0] = 0x80;
+    b[1] = 0x00;
+  }
+  Wire.write(b, 8);
+}
+
+inline void i2cslave_begin() {
+  Wire.begin(4, 5, 0x40);
+  Wire.onReceive(sl_on_receive);
+  Wire.onRequest(sl_on_request);
+  ESP_LOGI("slave", "I2C slave at 0x40 on SDA GPIO4 SCL GPIO5");
+}
+
+inline void i2cslave_report() {
+  ESP_LOGI("slave", "rx %u tx %u stretch %u", (unsigned) sl_rx, (unsigned) sl_tx, (unsigned) sl_stretch);
+}
@@ -0,0 +1,29 @@
+esphome:
+  name: i2cslave
+  libraries:
+    - Wire
+  includes:
+    - i2cslave.hpp
+  platformio_options:
+    board_build.f_cpu: 160000000L
+  on_boot:
+    priority: -100
+    then:
+      - lambda: i2cslave_begin();
+
+esp8266:
+  board: d1_mini
+
+logger:
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+
+ota:
+  - platform: esphome
+
+interval:
+  - interval: 10s
+    then:
+      - lambda: i2cslave_report();
@@ -0,0 +1,43 @@
+"""Check over the API that each board runs the expected build.
+Usage: apiinfo.py HOST[=BUILD_INFO_JSON]...
+Prints name and compilation time per host. With a build_info.json (from the build directory), the board's
+compilation time must equal that build's build_time_str. Exits 1 when a host fails or runs another build.
+env: API_KEY (the boards' api encryption key, when they have one)"""
+
+import asyncio
+import json
+import os
+from pathlib import Path
+import sys
+
+from aioesphomeapi import APIClient, APIConnectionError
+
+
+async def info(host: str) -> tuple[str, str]:
+    cli = APIClient(host, 6053, None, noise_psk=os.environ.get("API_KEY"))
+    await cli.connect(login=True)
+    try:
+        i = await cli.device_info()
+    finally:
+        await cli.disconnect()
+    return i.name, i.compilation_time
+
+
+bad = 0
+for arg in sys.argv[1:]:
+    host, _, build_info = arg.partition("=")
+    try:
+        name, built = asyncio.run(asyncio.wait_for(info(host), 30))
+    except (APIConnectionError, TimeoutError, OSError) as err:
+        print("API", host, "ERROR", repr(err), flush=True)
+        bad += 1
+        continue
+    want = (
+        json.loads(Path(build_info).read_text(encoding="utf-8"))["build_time_str"]
+        if build_info
+        else None
+    )
+    ok = want is None or built == want
+    bad += not ok
+    print("API", host, name, built, "" if ok else f"MISMATCH want {want}", flush=True)
+sys.exit(1 if bad else 0)
@@ -0,0 +1,42 @@
+# Inflate benchmark: run gen_streams.py first, then bench.sh. Results go out over syslog to syslog_ip:5514.
+substitutions:
+  name: inflbench-bk
+  board: cb3s
+
+esphome:
+  name: ${name}
+  includes:
+    - bench_streams.hpp
+    - bench.hpp
+
+bk72xx:
+  board: ${board}
+
+logger:
+  hardware_uart: UART1
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+
+api:
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+udp:
+  addresses:
+    - !secret syslog_ip
+
+time:
+  - platform: sntp
+
+syslog:
+  port: 5514
+
+interval:
+  - interval: 90s
+    then:
+      - delay: 20s
+      - lambda: run_inflate_bench();
@@ -0,0 +1,44 @@
+# Inflate benchmark: run gen_streams.py first, then bench.sh. Results go out over syslog to syslog_ip:5514.
+substitutions:
+  name: inflbench-s3
+
+esphome:
+  name: ${name}
+  includes:
+    - bench_streams.hpp
+    - bench.hpp
+
+esp32:
+  board: esp32-s3-devkitc-1
+  variant: esp32s3
+  framework:
+    type: esp-idf
+
+logger:
+  hardware_uart: USB_SERIAL_JTAG
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+
+api:
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+udp:
+  addresses:
+    - !secret syslog_ip
+
+time:
+  - platform: sntp
+
+syslog:
+  port: 5514
+
+interval:
+  - interval: 90s
+    then:
+      - delay: 20s
+      - lambda: run_inflate_bench();
@@ -0,0 +1,54 @@
+#pragma once
+// On-device inflate speed for the ESPHome OTA decoder. Targets the decoder interface with dest_limit (dev as of
+// this writing); once the interface without dest_limit lands (#21641), drop the dest_limit line.
+#include "esphome/components/esphome/ota/ota_esphome_inflate.h"
+#include "esphome/core/application.h"
+#include "esphome/core/hal.h"
+#include "esphome/core/log.h"
+#include "bench_streams.hpp"
+
+static uint8_t bench_ring[32768];
+static OtaInflateState bench_state;
+
+// LibreTiny defines micros as a macro; the parentheses call the ESPHome function.
+inline uint32_t bench_now() { return (esphome::micros) (); }
+
+inline void run_inflate_bench() {
+  unsigned expected = 0;
+  for (const auto &c : BENCH_CASES) {
+    for (unsigned ring : {4096u, 8192u, 16384u, 32768u})
+      expected += ring >= c.enc_window;
+  }
+  ESP_LOGI("bench", "BENCHSTART cases=%u", expected);
+  for (const auto &c : BENCH_CASES) {
+    for (unsigned ring : {4096u, 8192u, 16384u, 32768u}) {
+      if (ring < c.enc_window)
+        continue;
+      uint32_t best = UINT32_MAX;
+      size_t out = 0;
+      int res = 0;
+      for (int rep = 0; rep < 3; rep++) {
+        ota_inflate_init(&bench_state, bench_ring, ring);
+        bench_state.source = c.data;
+        bench_state.source_limit = c.data + c.len;
+        bench_state.source_read_cb = [](OtaInflateState *) -> int { return -1; };
+        out = 0;
+        uint32_t t0 = bench_now();
+        do {
+          bench_state.dest = bench_ring;
+          bench_state.dest_limit = bench_ring + ring;
+          res = ota_inflate(&bench_state);
+          out += bench_state.dest - bench_ring;
+          esphome::App.feed_wdt();
+        } while (res == OTA_INFLATE_OK);
+        uint32_t dt = bench_now() - t0;
+        if (dt < best)
+          best = dt;
+      }
+      ESP_LOGI("bench", "%s enc=%u ring=%u in=%u out=%u/%u res=%d best_us=%u out_kBps=%u in_kBps=%u", c.name,
+               c.enc_window, ring, (unsigned) c.len, (unsigned) out, (unsigned) c.raw, res, (unsigned) best,
+               (unsigned) ((uint64_t) out * 1000 / best), (unsigned) ((uint64_t) c.len * 1000 / best));
+    }
+  }
+  ESP_LOGI("bench", "BENCHDONE");
+}
@@ -0,0 +1,42 @@
+#!/bin/bash
+# usage: bench.sh CONFIG DEVICE   build and upload CONFIG (bench-bk72xx or bench-esp32s3) to DEVICE (OTA address or
+# serial port), then collect one benchmark pass over syslog. Run gen_streams.py in this directory first.
+# Copy this directory into a scratch directory with a secrets.yaml (wifi_ssid, wifi_password, syslog_ip = this
+# host's address) and run it there. env: TREE (esphome checkout under test), PY (checkout python), WAIT (seconds to
+# wait for a pass, default 300)
+D=$(cd "$(dirname "$0")" && pwd); C=${1:?config name}; DEV=${2:?device}; T=${TREE:?set TREE}
+PY=${PY:-$T/venv/bin/python}; WAIT=${WAIT:-300}; OUT=$D/$C-syslog.txt
+[ -f "$D/bench_streams.hpp" ] || { echo "FAIL: run gen_streams.py first"; exit 1; }
+(cd "$T" && PYTHONUNBUFFERED=1 timeout 1500 $PY -m esphome run --no-logs "$D/$C.yaml" --device "$DEV" > "$D/$C-upload.log" 2>&1) \
+  || { echo "FAIL: build or upload failed, see $C-upload.log"; exit 1; }
+$PY - "$OUT" "$WAIT" << 'PYEOF'
+import socket
+import sys
+import time
+
+s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+s.bind(("0.0.0.0", 5514))
+s.settimeout(1)
+end = time.time() + int(sys.argv[2])
+started = False
+with open(sys.argv[1], "w", encoding="utf-8") as out:
+    while time.time() < end:
+        try:
+            d, _ = s.recvfrom(2048)
+        except TimeoutError:
+            continue
+        line = d.decode(errors="replace").strip()
+        # keep one whole pass: lines from a pass already under way are dropped
+        started = started or "BENCHSTART" in line
+        if started and "bench" in line:
+            print(line, file=out, flush=True)
+            if "BENCHDONE" in line:
+                break
+PYEOF
+grep -q BENCHDONE "$OUT" || { echo "FAIL: no complete pass within $WAIT s"; exit 1; }
+grep -o 'bench:[0-9]*\]: .*' "$OUT"
+BAD=$(grep 'best_us=' "$OUT" | grep -v 'res=1 ' | wc -l | tr -d ' ')
+SHORT=$(grep -o 'out=[0-9]*/[0-9]*' "$OUT" | awk -F'[=/]' '$2 != $3' | wc -l | tr -d ' ')
+WANT=$(grep -o 'BENCHSTART cases=[0-9]*' "$OUT" | cut -d= -f2); GOT=$(grep -c 'best_us=' "$OUT")
+[ "$BAD" = 0 ] && [ "$SHORT" = 0 ] && [ "$GOT" = "$WANT" ] && echo "PASS" \
+  || { echo "FAIL: $BAD cases did not finish, $SHORT short outputs, $GOT of $WANT results (lost syslog lines)"; exit 1; }
@@ -0,0 +1,43 @@
+"""Write bench_streams.hpp: one 128 KB slice per image, raw deflate at level 9 with 4 KB and 32 KB windows.
+Usage: gen_streams.py NAME=IMAGE[@OFFSET]... [--windows 12,15]
+Each image gives one case per window. Keep the total near 130 KB on a BK7231N: an image with about 330 KB of extra
+incompressible data failed its OTA ("Writing OTA data to flash memory failed"); use one image and --windows 12 there."""
+
+import argparse
+from pathlib import Path
+import zlib
+
+SLICE = 128 * 1024
+ap = argparse.ArgumentParser()
+ap.add_argument("images", nargs="+")
+ap.add_argument("--windows", default="12,15")
+args = ap.parse_args()
+arrays, cases, total = [], [], 0
+for spec in args.images:
+    name, _, rest = spec.partition("=")
+    path, _, offset = rest.partition("@")
+    raw = Path(path).read_bytes()[int(offset or 0) :][:SLICE]
+    for wbits in (int(w) for w in args.windows.split(",")):
+        data = zlib.compress(raw, 9, -wbits)
+        total += len(data)
+        var = f"{name}_w{wbits}"
+        arrays.append(
+            f"static const uint8_t {var}[{len(data)}] = {{{','.join(map(str, data))}}};"
+        )
+        cases.append(f'{{"{name}", {var}, sizeof({var}), {len(raw)}u, {1 << wbits}u}}')
+        print(f"{var}: {len(raw)} -> {len(data)} bytes")
+head = "#pragma once\n#include <cstddef>\n#include <cstdint>\n"
+case_struct = (
+    "struct BenchCase {\n  const char *name;\n  const uint8_t *data;\n  size_t len;\n  size_t raw;\n"
+    "  unsigned enc_window;\n};\n"
+)
+body = (
+    "\n".join(arrays)
+    + "\n"
+    + case_struct
+    + "static const BenchCase BENCH_CASES[] = {"
+    + ", ".join(cases)
+    + "};\n"
+)
+Path("bench_streams.hpp").write_text(head + body, encoding="utf-8")
+print(f"total {total} bytes of streams")
@@ -0,0 +1,77 @@
+"""Time one ESPHome OTA upload and print one RESULT json line.
+Usage: otatime.py HOST IMAGE MODE   (MODE: deflate, raw, deflate-tcp or raw-tcp)
+env: OTA_PORT (default 3232), OTA_PASSWORD, API_KEY (a board with an api encryption key also encrypts OTA),
+TAG (label stored in the result)
+Run it with the checkout under test first on PYTHONPATH, so its espota2 is the client being measured.
+raw: the client leaves deflate out of its feature offer. Never patch the deflate branch off after the offer: once
+the device accepted deflate it expects a deflate stream. -tcp: the link is reported clean, so the client asks to
+stay on TCP. Clearing the UDP feature bit instead desyncs the handshake ("receiving UDP token response: timed out")."""
+
+import json
+import logging
+import os
+from pathlib import Path
+import sys
+import time
+
+import esphome.espota2 as espota
+
+host, image, mode = sys.argv[1], Path(sys.argv[2]), sys.argv[3]
+if mode.startswith("raw"):
+    espota.CLIENT_FEATURE_SUPPORTS_DEFLATE = 0
+if mode.endswith("-tcp"):
+    espota._loss_reason = lambda *a: None  # noqa: SLF001
+marks: list[tuple[float, float]] = []
+
+
+class Recorder:
+    """Stands in for the progress bar and records when each fraction went out."""
+
+    def __init__(self, *args) -> None:
+        pass
+
+    def update(self, progress: float) -> None:
+        marks.append((time.perf_counter(), progress))
+
+    def done(self) -> None:
+        pass
+
+
+espota.ProgressBar = Recorder
+lines: list[str] = []
+
+
+class Keep(logging.Handler):
+    def emit(self, record: logging.LogRecord) -> None:
+        lines.append(record.getMessage())
+
+
+logging.basicConfig(level=logging.INFO)
+logging.getLogger().addHandler(Keep())
+t0 = time.perf_counter()
+rc, _ = espota.run_ota(
+    host,
+    int(os.environ.get("OTA_PORT", "3232")),
+    os.environ.get("OTA_PASSWORD"),
+    image,
+    noise_psk=os.environ.get("API_KEY"),
+)
+total = time.perf_counter() - t0
+deciles = []
+if marks:
+    start = marks[0][0]
+    for q in range(1, 11):
+        hit = next((t for t, f in marks if f >= q / 10 - 1e-9), None)
+        deciles.append(round(hit - start, 2) if hit is not None else None)
+result = {
+    "board": os.environ.get("TAG", ""),
+    "mode": mode,
+    "rc": rc,
+    "total": round(total, 2),
+    "took": next((x for x in lines if x.startswith("Update took")), ""),
+    "size": next((x for x in lines if "Compressed to" in x), ""),
+    "udp": any("Using UDP" in x for x in lines),
+    "deciles": deciles,
+}
+print("RESULT", json.dumps(result), flush=True)
+sys.exit(1 if rc else 0)
@@ -0,0 +1,65 @@
+#!/bin/bash
+# usage: run.sh N PHASE...   OTA upload timing A/B: per phase build every board, one warm-up upload per board
+# (installs the phase's build, not timed), an API check that each board booted that build, then N rounds of every
+# MODE on every board, interleaved so the boards share the same air. summ.py prints medians at the end.
+# Layout: $D/PHASE/NAME.yaml per phase and board (with its secrets.yaml); outputs go to $D/res.txt.
+# env: BOARDS ("NAME,HOST,OTA_PORT ..."; add an ESP32 on the same Wi-Fi as a network control), TREE_<PHASE>
+# (esphome checkout for each phase, e.g. TREE_base, TREE_pr), PY (python with esphome's requirements),
+# MODES (default "deflate-tcp raw-tcp"), SETTLE (seconds after a board answers again, default 15), API_KEY (when the
+# boards have an api encryption key; it also encrypts their OTA, so all boards in one run need the same key)
+D=$(cd "$(dirname "$0")" && pwd); N=${1:?rounds}; shift; [ $# -gt 0 ] || { echo "usage: run.sh N PHASE..."; exit 2; }
+B=${BOARDS:?set BOARDS}; PY=${PY:?set PY}; MODES=${MODES:-deflate-tcp raw-tcp}; SETTLE=${SETTLE:-15}
+wait_up() {  # wait_up HOST PORT: up to 5 minutes for the OTA port to answer
+  local i
+  for i in $(seq 60); do
+    "$PY" -c "import socket,sys; socket.create_connection((sys.argv[1], int(sys.argv[2])), 2).close()" "$1" "$2" 2>/dev/null \
+      && { sleep "$SETTLE"; return 0; }
+    sleep 5
+  done
+  return 1
+}
+up() {  # up PHASE NAME HOST PORT MODE TAG OUTFILE; returns 1 unless the upload succeeded
+  local tree=TREE_$1 out=""
+  if wait_up "$3" "$4"; then
+    out=$(TAG=$1-$2-$6 OTA_PORT=$4 PYTHONPATH=${!tree} timeout 900 "$PY" "$D/otatime.py" "$3" \
+      "$(cat "$D/img-$1-$2.txt")" "$5" 2>> "$D/stderr-$1.log" | grep RESULT)
+  else
+    echo "FAIL: $3 not answering on $4"
+  fi
+  # no RESULT line (board gone, otatime.py crashed or timed out): record a failed upload so summ.py counts it
+  [ -n "$out" ] || out="RESULT {\"board\": \"$1-$2-$6\", \"mode\": \"$5\", \"rc\": -1, \"total\": 0, \"took\": \"\", \"size\": \"\", \"udp\": false, \"deciles\": []}"
+  echo "$out" | tee -a "$7"
+  [[ $out == *'"rc": 0,'* ]]
+}
+# results from an earlier run would fill in for missing rows: move them aside
+for f in res.txt warm.txt api.txt; do [ -f "$D/$f" ] && mv "$D/$f" "$D/$f.$(date +%Y%m%d-%H%M%S)"; done
+for ph in "$@"; do
+  tree=TREE_$ph; [ -n "${!tree}" ] || { echo "FAIL: set $tree"; exit 1; }
+  checks=()
+  for b in $B; do
+    IFS=, read -r n h p <<< "$b"
+    (cd "${!tree}" && PYTHONUNBUFFERED=1 timeout 1500 "$PY" -m esphome compile "$D/$ph/$n.yaml") > "$D/build-$ph-$n.log" 2>&1 \
+      || { echo "FAIL: build $ph/$n"; exit 1; }
+    # the image the CLI uploads (CORE.firmware_bin): ESP-IDF build, LibreTiny UF2, else the PlatformIO bin
+    bd=$D/$ph/.esphome/build/$n; : > "$D/img-$ph-$n.txt"
+    for f in "$bd/build/$n.bin" "$bd/.pioenvs/$n/firmware.uf2" "$bd/.pioenvs/$n/firmware.bin"; do
+      [ -f "$f" ] && { echo "$f" > "$D/img-$ph-$n.txt"; break; }
+    done
+    [ -s "$D/img-$ph-$n.txt" ] || { echo "FAIL: no firmware image under $bd"; exit 1; }
+    case $(cat "$D/img-$ph-$n.txt") in
+      *.uf2) PYTHONPATH=${!tree} "$PY" "$D/trim_uf2.py" "$(cat "$D/img-$ph-$n.txt")" > "$D/img-$ph-$n.tmp" \
+        && mv "$D/img-$ph-$n.tmp" "$D/img-$ph-$n.txt" || { echo "FAIL: trim_uf2.py $ph/$n"; exit 1; } ;;
+    esac
+    checks+=("$h=$D/$ph/.esphome/build/$n/build_info.json")
+  done
+  for b in $B; do IFS=, read -r n h p <<< "$b"; up "$ph" "$n" "$h" "$p" deflate-tcp warm "$D/warm.txt" || exit 1; done
+  for b in $B; do IFS=, read -r n h p <<< "$b"; wait_up "$h" "$p"; done
+  "$PY" "$D/apiinfo.py" "${checks[@]}" | tee -a "$D/api.txt"; [ "${PIPESTATUS[0]}" = 0 ] || { echo "FAIL: $ph did not boot everywhere"; exit 1; }
+  for i in $(seq "$N"); do
+    for m in $MODES; do
+      for b in $B; do IFS=, read -r n h p <<< "$b"; up "$ph" "$n" "$h" "$p" "$m" "r$i" "$D/res.txt"; done
+    done
+  done
+  echo "PHASE DONE $ph"
+done
+"$PY" "$D/summ.py" "$D/res.txt" "$N"
@@ -0,0 +1,43 @@
+"""Median upload time per board and mode from otatime.py RESULT lines.
+Usage: summ.py RESULTS_FILE [ROUNDS]
+Exits 1 when any upload failed, an upload time could not be read, or (with ROUNDS) a board and mode has fewer rows."""
+
+import json
+from pathlib import Path
+import re
+import statistics
+import sys
+
+rows = [
+    json.loads(line.split("RESULT ", 1)[1])
+    for line in Path(sys.argv[1]).read_text(encoding="utf-8").splitlines()
+    if "RESULT " in line
+]
+by: dict[tuple[str, str], list[dict]] = {}
+for r in rows:
+    m = re.search(r"upload ([\d.]+)", r["took"])
+    r["up"] = float(m[1]) if m else None
+    # TAG is PHASE-BOARD-ROUND; group per phase and board
+    by.setdefault((r["board"].rsplit("-", 1)[0], r["mode"]), []).append(r)
+rounds = int(sys.argv[2]) if len(sys.argv) > 2 else 0
+failed = unparsed = short = 0
+for (board, mode), v in sorted(by.items()):
+    ok = sorted(r["up"] for r in v if r["rc"] == 0 and r["up"] is not None)
+    fails = sum(r["rc"] != 0 for r in v)
+    failed += fails
+    unparsed += sum(r["rc"] == 0 and r["up"] is None for r in v)
+    short += len(v) < rounds
+    udp = sum(r["udp"] for r in v if r["rc"] == 0)
+    med = statistics.median(ok) if ok else None
+    print(
+        f"{board:24} {mode:12} n={len(v)} fail={fails} udp={udp} median={med} upload s: {ok}"
+    )
+if not rows:
+    print("FAIL: no results")
+elif failed or unparsed or short:
+    print(
+        f"FAIL: {failed} failed uploads, {unparsed} without an upload time, {short} groups under {rounds} rows"
+    )
+else:
+    print("PASS")
+sys.exit(0 if rows and not (failed or unparsed or short) else 1)
@@ -0,0 +1,24 @@
+"""Write the trimmed LibreTiny UF2 the CLI would send (esphome#21642) next to firmware.uf2 and print its path.
+Usage: trim_uf2.py FIRMWARE_UF2   (run with the phase's checkout on PYTHONPATH)
+Prints the input path unchanged when the tree has no device_ota_uf2() or there is nothing to drop."""
+
+from pathlib import Path
+import sys
+
+src = Path(sys.argv[1])
+try:
+    from esphome.components.libretiny.uf2 import device_ota_uf2
+except ModuleNotFoundError as err:
+    if err.name != "esphome.components.libretiny.uf2":
+        raise
+    print("no device_ota_uf2() in this tree, sending the full UF2", file=sys.stderr)
+    print(src)
+    sys.exit(0)
+data = src.read_bytes()
+if (trimmed := device_ota_uf2(data)) is None:
+    print(src)
+    sys.exit(0)
+out = src.with_name("firmware.ota.uf2")
+out.write_bytes(trimmed)
+print(f"trimmed {len(data)} -> {len(trimmed)} bytes", file=sys.stderr)
+print(out)
@@ -0,0 +1,95 @@
+"""Summarise the AP restart run: alive lines over syslog per DUT, reboots, gaps, recovery after each AP start.
+Usage: an.py DIR BUILD [RECOVER_S]   reads BUILD-marks.txt, BUILD-syslog.txt, BUILD-bk.txt, BUILD-cb.txt (optional)
+and BUILD-up.txt (the bridge's API logs)
+Exits 1 when a DUT rebooted, crashed, sent nothing, or had no syslog line within RECOVER_S (default 120) of an
+AP start, when the BK7238 capture (or a CB3S capture that was started) is empty, or when the bridge did not switch
+its AP to WPA2/WPA3 mixed after each AP start."""
+
+from itertools import pairwise
+from pathlib import Path
+import re
+import sys
+
+D, b = Path(sys.argv[1]), sys.argv[2]
+RECOVER = int(sys.argv[3]) if len(sys.argv) > 3 else 120
+
+
+def read(suffix: str) -> str | None:
+    f = D / f"{b}-{suffix}.txt"
+    return f.read_text(encoding="utf-8", errors="replace") if f.exists() else None
+
+
+def secs(t: str) -> int:
+    h, m, s = t.split(":")
+    return int(h) * 3600 + int(m) * 60 + int(float(s))
+
+
+marks = [
+    (secs(line.split()[0]), line.split()[3])
+    for line in read("marks").splitlines()
+    if line.strip()
+]
+sl = (read("syslog") or "").splitlines()
+bad = []
+for dev in ("rebk", "recb"):
+    lines = [line for line in sl if re.search(rf"\b{dev}\b", line)]
+    ups = [
+        (secs(line.split()[0]), int(m[1]))
+        for line in lines
+        if (m := re.search(r"up (\d+) s", line))
+    ]
+    if not ups:
+        print(f"== {dev}: no alive lines over syslog")
+        bad.append(f"{dev} silent")
+        continue
+    reboots = sum(1 for (_, u0), (_, u1) in pairwise(ups) if u1 < u0)
+    gaps = [t1 - t0 for (t0, _), (t1, _) in pairwise(ups) if t1 - t0 > 25]
+    print(
+        f"== {dev}: alive lines {len(ups)}, reboots {reboots}, syslog gaps over 25 s: {gaps}"
+    )
+    if reboots:
+        bad.append(f"{dev} rebooted")
+    for t, st in marks:
+        if st != "on":
+            continue
+        after = [x for x in ups if x[0] > t]
+        first = after[0][0] - t if after else None
+        print(
+            f"   ap back at t={t % 86400 // 3600:02d}:{t % 3600 // 60:02d}:{t % 60:02d}, first syslog line {first} s later"
+        )
+        if first is None or first > RECOVER:
+            bad.append(f"{dev} not back {RECOVER} s after an AP start")
+for dev, suffix in (("rebk", "bk"), ("recb", "cb")):
+    if (s := read(suffix)) is None and dev == "recb":
+        continue  # the CB3S capture is optional
+    if not s:
+        bad.append(f"{dev} serial capture missing or empty")
+        continue
+    crashes = len(re.findall(r"(?i)hard fault|exception|abort|watchdog", s))
+    connected = len(re.findall(r"\[wifi:\d+\]: Connected", s))
+    print(
+        f"-- {dev} serial: lines {s.count(chr(10))}, overflow {s.count('queue overflow')}, fallback AP starts "
+        f"{s.count('Starting fallback AP')}, connected {connected}, boots {s.count('ESPHome version')}, crashes {crashes}"
+    )
+    if crashes:
+        bad.append(f"{dev} crashed")
+up = read("up") or ""
+switches = [
+    secs(m[1]) for m in re.finditer(r"\[(\d+:\d+:\d+)[.\d]*\].*PMF capable: 0", up)
+]
+# each AP start needs its own switch between that mark (less a few seconds of clock skew) and the next mark
+ends = [t for t, _ in marks[1:]] + [float("inf")]
+missed = [
+    t
+    for (t, st), end in zip(marks, ends, strict=True)
+    if st == "on" and not any(t - 5 <= s < end for s in switches)
+]
+starts = sum(1 for _, st in marks if st == "on")
+print(
+    f"-- bridge: WPA2/WPA3 switches {len(switches)}, AP starts {starts} ({len(missed)} without a switch), "
+    f"failures {up.count('AP CONFIG FAILED')}"
+)
+if "AP CONFIG FAILED" in up or missed:
+    bad.append("the bridge did not switch its AP to WPA2/WPA3 mixed after every start")
+print("PASS" if not bad else "FAIL: " + ", ".join(bad))
+sys.exit(1 if bad else 0)
@@ -0,0 +1,58 @@
+esphome:
+  name: ${name}
+
+logger:
+  level: DEBUG
+
+wifi:
+  networks:
+    - ssid: !secret wisp_up_ssid
+      password: !secret wisp_up_password
+      manual_ip:
+        static_ip: ${ip}
+        gateway: 10.40.0.1
+        subnet: 255.255.255.0
+        dns1: 10.40.0.1
+  power_save_mode: LIGHT
+  ap:
+    ssid: ${name}-fallback
+    password: !secret fallback_ap_password
+
+captive_portal:
+
+web_server:
+  port: 80
+
+api:
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+udp:
+  addresses:
+    - !secret syslog_ip
+time:
+  - platform: sntp
+syslog:
+  port: 5514
+
+interval:
+  - interval: 10s
+    then:
+      - lambda: ESP_LOGI("alive", "up %u s", (unsigned) (millis() / 1000));
+  - interval: 30s
+    then:
+      - if:
+          condition:
+            lambda: |-
+              static bool done = false;
+              if (done || millis() < 19 * 60 * 1000) return false;
+              done = true;
+              return true;
+          then:
+            - lambda: ESP_LOGI("alive", "GOING HOME");
+            - wifi.configure:
+                ssid: !secret wifi_ssid
+                password: !secret wifi_password
+                save: false
@@ -0,0 +1,13 @@
+# BK7238 DUT (NiceMCU XH-WB3S), flashed over serial by run.sh
+substitutions:
+  name: rebk
+  ip: 10.40.0.21
+
+packages:
+  common: !include re-common.yaml
+
+bk72xx:
+  board: xh-wb3s
+
+logger:
+  hardware_uart: UART1
@@ -0,0 +1,13 @@
+# CB3S (BK7231N) DUT, flashed over the air by run.sh; its log port is UART1 (TX1)
+substitutions:
+  name: recb
+  ip: 10.40.0.22
+
+packages:
+  common: !include re-common.yaml
+
+bk72xx:
+  board: cb3s
+
+logger:
+  hardware_uart: UART1
@@ -0,0 +1,56 @@
+#!/bin/bash
+# usage: run.sh BUILD   OTA the CB3S, serial flash the BK7238, then switch the upstream AP off and on three times
+# while both DUTs send alive lines over syslog. BUILD is a label (pr, base) for the output files.
+# Copy this directory into a scratch directory with a secrets.yaml (wifi_ssid, wifi_password, wisp_up_ssid,
+# wisp_up_password, fallback_ap_password, syslog_ip, api_key) and run it there. wisp-upstream-wpa3.yaml runs on the
+# ethernet ESP32-S3 upstream; syslog_ip is this host's address as the DUTs reach it through the bridge's NAT.
+# env: TREE (esphome checkout for the DUTs), BK_PORT (BK7238 serial), CB_PORT (CB3S log only serial, optional),
+# CB_HOST (CB3S address to OTA), UPSTREAM (bridge address), SC (path to serial_capture.py), FLASH_BK (path to
+# flash_bk72xx.py), LT (LibreTiny penv python), PY (checkout python), UP_TREE (checkout for the bridge's API logs)
+D=$(cd "$(dirname "$0")" && pwd); b=${1:?build label}; T=${TREE:?set TREE}; PY=${PY:-$T/venv/bin/python}
+BK=${BK_PORT:?set BK_PORT}; CBH=${CB_HOST:?set CB_HOST}; UP=${UPSTREAM:?set UPSTREAM}; SC=${SC:?set SC}
+FB=${FLASH_BK:?set FLASH_BK}; LT=${LT:-$HOME/.platformio/penv/.libretiny/bin/python}; CB=${CB_PORT:-}
+ap() { curl -s -m 5 -X POST -d "" -o /dev/null -w "%{http_code}" "http://$UP/button/ap%20$1/press"; }
+# retry N PAUSE CMD...: run CMD up to N times, PAUSE seconds apart; fails when every attempt failed
+retry() { local n=$1 pause=$2 i; shift 2; for i in $(seq "$n"); do "$@" && return 0; [ "$i" -lt "$n" ] && sleep "$pause"; done; return 1; }
+build() { (cd "$T" && PYTHONUNBUFFERED=1 timeout 1500 $PY -m esphome "$@"); }
+# only this run's ports: a global pkill stops other runs' captures
+pkill -f "[s]erial_capture.py $BK"; [ -n "$CB" ] && pkill -f "[s]erial_capture.py $CB"
+[ "$(ap on)" = 200 ] || { echo "FAIL: upstream bridge did not take ap on"; exit 1; }
+cb_upload() { build run --no-logs "$D/recb.yaml" --device "$CBH" > "$D/cb-$b-upload.log" 2>&1; }
+retry 3 15 cb_upload || { echo "FAIL: CB3S build or OTA after 3 tries"; exit 1; }
+build compile "$D/rebk.yaml" > "$D/bk-$b-build.log" 2>&1 || { echo "FAIL: BK7238 build"; exit 1; }
+UF2=$D/.esphome/build/rebk/.pioenvs/rebk/firmware.uf2
+bk_flash() { $LT "$FB" flash write -d "$BK" "$UF2" > "$D/bk-$b-flash.log" 2>&1; }
+retry 4 5 bk_flash || { echo "FAIL: BK7238 flash after 4 tries"; exit 1; }
+PIDS=()
+$PY - > "$D/$b-syslog.txt" 2>&1 << 'PYEOF' &
+import socket
+import time
+
+s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+s.bind(("0.0.0.0", 5514))
+s.settimeout(1)
+end = time.time() + 1250
+while time.time() < end:
+    try:
+        d, a = s.recvfrom(2048)
+        print(time.strftime("%H:%M:%S"), a[0], d.decode(errors="replace").strip(), flush=True)
+    except TimeoutError:
+        pass
+PYEOF
+PIDS+=($!)
+$PY "$SC" "$BK" 1240 "$D/$b-bk.txt" --released > /dev/null 2>&1 & PIDS+=($!)
+[ -n "$CB" ] && { $PY "$SC" "$CB" 1240 "$D/$b-cb.txt" --released > /dev/null 2>&1 & PIDS+=($!); }
+(cd "${UP_TREE:-$T}" && PYTHONUNBUFFERED=1 exec timeout 1240 $PY -m esphome logs "$D/wisp-upstream-wpa3.yaml" --device "$UP" > "$D/$b-up.txt" 2>&1) & PIDS+=($!)
+trap 'kill "${PIDS[@]}" 2>/dev/null' EXIT
+t0=$(date +%s); : > "$D/$b-marks.txt"
+for step in 180:off 330:on 480:off 630:on 780:off 930:on; do
+  t=${step%%:*}; st=${step#*:}
+  while [ $(($(date +%s) - t0)) -lt "$t" ]; do sleep 1; done
+  code=$(ap "$st")
+  echo "$(date +%H:%M:%S) t=$t ap $st $code" | tee -a "$D/$b-marks.txt"
+  [ "$code" = 200 ] || { echo "FAIL: upstream bridge returned $code for ap $st"; exit 1; }
+done
+wait "${PIDS[@]}"; trap - EXIT
+$PY "$D/an.py" "$D" "$b"
@@ -0,0 +1,3 @@
+#pragma once
+#include <esp_wifi.h>
+#include <esp_event.h>
@@ -0,0 +1,95 @@
+esphome:
+  name: wisp-upstream
+  includes:
+    - wdap_inc.h
+  on_boot:
+    priority: -100
+    then:
+      - delay: 3s
+      - script.execute: wpa3_ap
+
+esp32:
+  board: esp32-s3-devkitc-1
+  variant: esp32s3
+  flash_size: 16MB
+  framework:
+    type: esp-idf
+
+logger:
+  hardware_uart: USB_SERIAL_JTAG
+
+ethernet:
+  type: W5500
+  clk_pin: GPIO13
+  mosi_pin: GPIO11
+  miso_pin: GPIO12
+  cs_pin: GPIO14
+  interrupt_pin: GPIO10
+  reset_pin: GPIO9
+
+wifi:
+  ap:
+    ssid: !secret wisp_up_ssid
+    password: !secret wisp_up_password
+    ap_mode: WISP
+    manual_ip:
+      static_ip: 10.40.0.1
+      gateway: 10.40.0.1
+      subnet: 255.255.255.0
+
+api:
+  encryption:
+    key: !secret api_key
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+web_server:
+  port: 80
+
+button:
+  - platform: template
+    name: ap off
+    on_press:
+      - wifi.disable:
+  - platform: template
+    name: ap on
+    on_press:
+      - wifi.enable:
+      - delay: 3s
+      - script.execute: wpa3_ap
+
+script:
+  - id: wpa3_ap
+    then:
+      - lambda: |-
+          static bool registered = false;
+          wifi_config_t c{};
+          esp_err_t err = esp_wifi_get_config(WIFI_IF_AP, &c);
+          if (err == ESP_OK) {
+            c.ap.authmode = WIFI_AUTH_WPA2_WPA3_PSK;
+            c.ap.pmf_cfg.required = false;
+            c.ap.sae_pwe_h2e = WPA3_SAE_PWE_BOTH;
+            err = esp_wifi_set_config(WIFI_IF_AP, &c);
+          }
+          // read back: only a running AP that reports WPA2/WPA3 mixed counts as switched
+          wifi_config_t check{};
+          if (err == ESP_OK)
+            err = esp_wifi_get_config(WIFI_IF_AP, &check);
+          if (err != ESP_OK || check.ap.authmode != WIFI_AUTH_WPA2_WPA3_PSK) {
+            ESP_LOGE("wdap", "AP CONFIG FAILED: %d authmode %d", err, (int) check.ap.authmode);
+          } else {
+            ESP_LOGI("wdap", "AP set to WPA2/WPA3 mixed, PMF capable: %d", err);
+          }
+          if (registered) return;
+          registered = true;
+          esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, [](void *, esp_event_base_t, int32_t id, void *data) {
+            if (id == WIFI_EVENT_AP_STACONNECTED) {
+              auto *e = (wifi_event_ap_staconnected_t *) data;
+              ESP_LOGI("wdap", "STA JOIN %02X:%02X:%02X:%02X:%02X:%02X", e->mac[0], e->mac[1], e->mac[2], e->mac[3], e->mac[4], e->mac[5]);
+            } else if (id == WIFI_EVENT_AP_STADISCONNECTED) {
+              auto *e = (wifi_event_ap_stadisconnected_t *) data;
+              ESP_LOGI("wdap", "STA LEAVE %02X:%02X:%02X:%02X:%02X:%02X reason %u", e->mac[0], e->mac[1], e->mac[2], e->mac[3], e->mac[4], e->mac[5], e->reason);
+            }
+          }, nullptr);
@@ -0,0 +1,16 @@
+substitutions:
+  name: wispdut-aoi
+  framework: esp-idf
+packages:
+  common: !include dut-common.yaml
+wifi:
+  networks:
+    - ssid: !secret wisp_up_ssid
+      password: !secret wisp_up_password
+  post_connect_roaming: false
+  ap:
+    ssid: !secret dut_ap_ssid
+    password: !secret dut_ap_password
+    ap_mode: ALWAYS_ON
+web_server:
+  port: 80
@@ -0,0 +1,16 @@
+esphome:
+  name: ${name}
+
+esp32:
+  board: esp32dev
+  framework:
+    type: ${framework}
+
+logger:
+  level: DEBUG
+
+api:
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
@@ -0,0 +1,14 @@
+substitutions:
+  name: wispdut-wisp
+  framework: esp-idf
+packages:
+  common: !include dut-common.yaml
+wifi:
+  networks:
+    - ssid: !secret wisp_up_ssid
+      password: !secret wisp_up_password
+  ap:
+    ssid: !secret dut_ap_ssid
+    password: !secret dut_ap_password
+    ap_mode: WISP
+captive_portal:
@@ -0,0 +1,36 @@
+#!/bin/bash
+# usage: run.sh DUT START SECONDS T:STATE...   e.g. run.sh dut-wisp on 600 120:off 300:on
+# Builds and flashes DUT.yaml (dut-wisp or dut-always-on) over serial, sets the upstream AP to START, captures the
+# DUT and the client, and switches the upstream AP at each T seconds; sum.py summarises the client per phase.
+# Copy this directory into a scratch directory with a secrets.yaml (wisp_up_ssid, wisp_up_password, dut_ap_ssid,
+# dut_ap_password, lan_probe_url, api_key) and run it there. wisp-upstream.yaml runs on an ethernet ESP32-S3 and
+# wispcli.yaml on a D1 mini; flash both once (CLI_FLASH=1 builds and flashes the client too).
+# env: TREE (esphome checkout for the DUT), PORT (DUT serial), CLI_PORT (client serial), UPSTREAM (upstream bridge
+# address), SC (path to serial_capture.py), PY (checkout python)
+D=$(cd "$(dirname "$0")" && pwd); n=${1:?dut yaml name}; start=${2:?on or off}; dur=${3:?seconds}; shift 3
+T=${TREE:?set TREE}; P=${PORT:?set PORT}; CP=${CLI_PORT:?set CLI_PORT}; UP=${UPSTREAM:?set UPSTREAM}
+SC=${SC:?set SC}; PY=${PY:-$T/venv/bin/python}
+ap() { curl -s -m 5 -X POST -d "" -o /dev/null -w "%{http_code}" "http://$UP/button/ap%20$1/press"; }
+pkill -f "[s]erial_capture.py ($P|$CP)"
+[ "$(ap "$start")" = 200 ] || { echo "FAIL: upstream bridge did not take ap $start"; exit 1; }
+if [ "${CLI_FLASH:-0}" = 1 ]; then
+  (cd "$T" && PYTHONUNBUFFERED=1 timeout 1500 $PY -m esphome run --no-logs "$D/wispcli.yaml" --device "$CP" > "$D/wispcli-upload.log" 2>&1) \
+    || { echo "FAIL: client build or upload"; exit 1; }
+fi
+(cd "$T" && PYTHONUNBUFFERED=1 timeout 1500 $PY -m esphome run --no-logs "$D/$n.yaml" --device "$P" > "$D/$n-upload.log" 2>&1) \
+  || { echo "FAIL: DUT build or upload"; exit 1; }
+echo "$(date +%H:%M:%S) t=0 upstream $start start" > "$D/$n-marks.txt"  # phase 1 is the start state
+$PY "$SC" "$P" "$dur" "$D/$n-dut.txt" --reset > /dev/null 2>&1 & C1=$!
+# no --reset on the client: a CH340 D1 mini floods garbage after an RTS reset
+$PY "$SC" "$CP" "$dur" "$D/$n-cli.txt" > /dev/null 2>&1 & C2=$!
+trap 'kill $C1 $C2 2>/dev/null' EXIT
+t0=$(date +%s)
+for step in "$@"; do
+  t=${step%%:*}; st=${step#*:}
+  while [ $(($(date +%s) - t0)) -lt "$t" ]; do sleep 1; done
+  code=$(ap "$st")
+  echo "$(date +%H:%M:%S) t=$t upstream $st $code" | tee -a "$D/$n-marks.txt"
+  [ "$code" = 200 ] || { echo "FAIL: upstream bridge returned $code for ap $st"; exit 1; }
+done
+wait $C1 $C2; trap - EXIT
+$PY "$D/sum.py" "$D" "$n"
@@ -0,0 +1,80 @@
+"""Summarise the client's results per upstream phase and the DUT's connects, AP starts, crashes and boots.
+Usage: sum.py DIR NAME   reads NAME-marks.txt, NAME-cli.txt and NAME-dut.txt
+Phase N runs from mark N (the first mark is the start state). Exits 1 when the DUT crashed, the DUT capture does not
+hold exactly one boot (empty or rebooted), the client had no successful result at all, or a phase with the upstream
+on had no successful name lookup (an answer equal to the gateway is the captive portal and does not count)."""
+
+from collections import defaultdict
+from pathlib import Path
+import re
+import sys
+
+D, n = Path(sys.argv[1]), sys.argv[2]
+
+
+def read(suffix: str) -> str:
+    return (D / f"{n}-{suffix}.txt").read_text(encoding="utf-8", errors="replace")
+
+
+mark_lines = [line.split() for line in read("marks").splitlines() if line.strip()]
+marks = [m[0] for m in mark_lines]
+upstream = {
+    i + 1: m[3] for i, m in enumerate(mark_lines)
+}  # "HH:MM:SS t=N upstream on|off CODE"
+cli = [line for line in read("cli").splitlines() if "[cli" in line]
+
+
+def phase(t: str) -> int:
+    return sum(1 for m in marks if t >= m)
+
+
+stat: dict[int, dict[str, int]] = defaultdict(lambda: defaultdict(int))
+good: dict[int, int] = defaultdict(int)  # successful name lookups per phase
+any_ok = 0
+for line in cli:
+    m = re.search(r"\]: (NOT CONNECTED|NET .*|NAME \S+|GW \S+|MAC \S+)", line)
+    if not m:
+        continue
+    s = m.group(1)
+    if s.startswith("NET"):
+        dns = re.search(r"dns (\S+)", s).group(1)
+        gw = re.search(r"gw (\S+)", s).group(1)
+        res = s.split("-> ")[1].strip()
+        # the captive portal answers every name with the AP's own address; that is not a working upstream
+        s = f"dns={dns} resolve={'CAPTIVE' if res == gw else res}"
+        if res not in ("FAIL", gw):
+            good[phase(line[1:9])] += 1
+            any_ok += 1
+    elif re.match(r"(NAME|GW|MAC) 200\b", s):
+        any_ok += 1
+    stat[phase(line[1:9])][s] += 1
+for p in sorted(stat):
+    print(f"phase {p} (upstream {upstream.get(p, '?')}):", dict(stat[p]))
+dead = [p for p, st in upstream.items() if st == "on" and not good[p]]
+dut = read("dut")
+crash = len(re.findall(r"Guru|panic|abort\(", dut))
+boots = dut.count("ESPHome version")
+print(
+    "DUT connected:",
+    len(re.findall(r"\[wifi:\d+\]: Connected", dut)),
+    "AP starts:",
+    dut.count("Starting AP"),
+    "crash:",
+    crash,
+    "boots:",
+    boots,
+)
+failed = []
+if not cli:
+    failed.append("empty client log")
+elif not any_ok:
+    failed.append("the client never got a successful result")
+if dead:
+    failed.append(f"no successful lookup in upstream on phases {dead}")
+# run.sh resets the DUT when the capture starts, so a good capture holds exactly one boot
+if boots != 1:
+    failed.append(f"{boots} DUT boots captured, expected 1")
+if crash:
+    failed.append(f"{crash} DUT crash lines")
+print("PASS" if not failed else "FAIL: " + "; ".join(failed))
+sys.exit(1 if failed else 0)
@@ -0,0 +1,52 @@
+esphome:
+  name: wisp-upstream
+
+esp32:
+  board: esp32-s3-devkitc-1
+  variant: esp32s3
+  flash_size: 16MB
+  framework:
+    type: esp-idf
+
+logger:
+  hardware_uart: USB_SERIAL_JTAG
+
+ethernet:
+  type: W5500
+  clk_pin: GPIO13
+  mosi_pin: GPIO11
+  miso_pin: GPIO12
+  cs_pin: GPIO14
+  interrupt_pin: GPIO10
+  reset_pin: GPIO9
+
+wifi:
+  ap:
+    ssid: !secret wisp_up_ssid
+    password: !secret wisp_up_password
+    ap_mode: WISP
+    manual_ip:
+      static_ip: 10.40.0.1
+      gateway: 10.40.0.1
+      subnet: 255.255.255.0
+
+api:
+  encryption:
+    key: !secret api_key
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+web_server:
+  port: 80
+
+button:
+  - platform: template
+    name: ap off
+    on_press:
+      - wifi.disable:
+  - platform: template
+    name: ap on
+    on_press:
+      - wifi.enable:
@@ -0,0 +1,77 @@
+esphome:
+  name: wispcli
+
+esp8266:
+  board: d1_mini
+
+logger:
+  level: DEBUG
+
+wifi:
+  networks:
+    - ssid: !secret dut_ap_ssid
+      password: !secret dut_ap_password
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+http_request:
+  timeout: 5s
+  verify_ssl: false
+
+globals:
+  - id: tick
+    type: int
+    initial_value: "0"
+
+interval:
+  - interval: 3s
+    then:
+      - lambda: |-
+          id(tick)++;
+          if (id(tick) % 4 != 1) return;
+          if (!WiFi.isConnected()) { ESP_LOGI("cli", "NOT CONNECTED"); return; }
+          IPAddress r;
+          bool ok = WiFi.hostByName("neverssl.com", r, 3000);
+          ESP_LOGI("cli", "NET ip %s gw %s dns %s | neverssl.com -> %s", WiFi.localIP().toString().c_str(),
+                   WiFi.gatewayIP().toString().c_str(), WiFi.dnsIP(0).toString().c_str(),
+                   ok ? r.toString().c_str() : "FAIL");
+      - if:
+          condition:
+            lambda: return id(tick) % 4 == 2 && WiFi.isConnected();
+          then:
+            - http_request.get:
+                url: http://neverssl.com/
+                capture_response: true
+                max_response_buffer_size: 160
+                collect_headers:
+                  - location
+                on_response:
+                  - lambda: ESP_LOGI("cli", "NAME %d loc=%s body=%.60s", response->status_code, response->get_response_header("location").c_str(), body.c_str());
+                on_error:
+                  - lambda: ESP_LOGI("cli", "NAME error");
+      - if:
+          condition:
+            lambda: return id(tick) % 4 == 3 && WiFi.isConnected();
+          then:
+            - http_request.get:
+                url: !lambda 'return std::string("http://") + WiFi.gatewayIP().toString().c_str() + "/";'
+                capture_response: true
+                max_response_buffer_size: 160
+                on_response:
+                  - lambda: ESP_LOGI("cli", "GW %d body=%.60s", response->status_code, body.c_str());
+                on_error:
+                  - lambda: ESP_LOGI("cli", "GW error");
+      - if:
+          condition:
+            lambda: return id(tick) % 4 == 0 && WiFi.isConnected();
+          then:
+            - http_request.get:
+                url: !secret lan_probe_url
+                capture_response: true
+                max_response_buffer_size: 64
+                on_response:
+                  - lambda: ESP_LOGI("cli", "MAC %d body=%.20s", response->status_code, body.c_str());
+                on_error:
+                  - lambda: ESP_LOGI("cli", "MAC error");
@@ -0,0 +1,56 @@
+"""Summarise the PMF AP's join and leave events per station and the BK7238's joins.
+Usage: an.py DIR BUILD [AP_SSID]   reads DIR/ap-BUILD.txt and DIR/bk-BUILD.txt (AP_SSID defaults to wd-pmf-ap)
+J = join, L<n> = leave with reason n. Reason 3: the station sent a deauth. Reason 2: the AP found a stale
+association when the station came back; a run of reason 2 before one join is reconnects the AP rejected.
+env DUT_MACS: comma separated station MACs that must appear in the AP events (default: at least two stations).
+Exits 1 on a rejected reconnect, an AP that did not switch to WPA2/WPA3, a missing DUT, or a BK7238 that never
+joined the AP."""
+
+from itertools import pairwise
+import os
+from pathlib import Path
+import re
+import sys
+
+D, b = Path(sys.argv[1]), sys.argv[2]
+AP_SSID = sys.argv[3] if len(sys.argv) > 3 else "wd-pmf-ap"
+failed = []
+ap = (D / f"ap-{b}.txt").read_text(encoding="utf-8", errors="replace").splitlines()
+if not any("PMF capable: 0" in line for line in ap) or any(
+    "AP CONFIG FAILED" in line for line in ap
+):
+    failed.append("the AP did not switch to WPA2/WPA3 mixed")
+ev = [line for line in ap if "STA JOIN" in line or "STA LEAVE" in line]
+mac_re = re.compile(r"([0-9A-F]{2}(?::[0-9A-F]{2}){5})")
+macs = sorted({m.group(1) for line in ev if (m := mac_re.search(line))})
+rejected = 0
+print(f"== {b}")
+for m in macs:
+    seq = [
+        "J" if "JOIN" in line else "L" + re.search(r"reason (\d+)", line).group(1)
+        for line in ev
+        if m in line
+    ]
+    # every L2 after the first in a run without a join in between is a rejected reconnect
+    rej = sum(1 for prev, cur in pairwise(seq) if prev == cur == "L2")
+    rejected += rej
+    print(" ", m, " ".join(seq), f"(rejected {rej})")
+if rejected:
+    failed.append(f"{rejected} rejected reconnects")
+if want := [
+    x.strip().upper() for x in os.environ.get("DUT_MACS", "").split(",") if x.strip()
+]:
+    if missing := [x for x in want if x not in macs]:
+        failed.append(f"no AP events for {', '.join(missing)}")
+elif len(macs) < 2:
+    failed.append(f"AP events for {len(macs)} stations, expected both DUTs")
+bk = (D / f"bk-{b}.txt").read_text(encoding="utf-8", errors="replace").splitlines()
+joins = [
+    m.groups() for line in bk if (m := re.search(r"JOINED (.+?) after (\d+) ms", line))
+]
+print("  bk7238 joins:", " ".join(f"{s}@{int(t) / 1000:.1f}s" for s, t in joins))
+print("  bk7238 reboots:", sum("REBOOT on" in line for line in bk))
+if not any(s == AP_SSID for s, _ in joins):
+    failed.append(f"the BK7238 never joined {AP_SSID}")
+print("PASS" if not failed else "FAIL: " + "; ".join(failed))
+sys.exit(1 if failed else 0)
@@ -0,0 +1,32 @@
+#!/bin/bash
+# usage: run.sh BUILD   flash the PMF AP, OTA the CB3S, serial flash the BK7238, then capture one AP window
+# Copy this directory into a scratch directory with a secrets.yaml (wifi_ssid, wifi_password, wd_ap_password) and
+# run it there. BUILD is a label (pr, base) for the output files.
+# env: TREE (esphome checkout for the DUTs), AP_PORT (classic devkit running wdap.yaml), BK_PORT (BK7238 serial),
+# CB_HOST (CB3S address on the house network), SC (path to serial_capture.py), FLASH_BK (path to flash_bk72xx.py),
+# LT (LibreTiny penv python, default ~/.platformio/penv/.libretiny/bin/python), PY (checkout python), DUT_MACS
+# (optional, comma separated station MACs of both DUTs for an.py)
+D=$(cd "$(dirname "$0")" && pwd); b=${1:?build label}; T=${TREE:?set TREE}; PY=${PY:-$T/venv/bin/python}
+AP=${AP_PORT:?set AP_PORT}; BK=${BK_PORT:?set BK_PORT}; CB=${CB_HOST:?set CB_HOST}; SC=${SC:?set SC}
+FB=${FLASH_BK:?set FLASH_BK}; LT=${LT:-$HOME/.platformio/penv/.libretiny/bin/python}
+pkill -f "[s]erial_capture.py ($AP|$BK)"
+# retry N PAUSE CMD...: run CMD up to N times, PAUSE seconds apart; fails when every attempt failed
+retry() { local n=$1 pause=$2 i; shift 2; for i in $(seq "$n"); do "$@" && return 0; [ "$i" -lt "$n" ] && sleep "$pause"; done; return 1; }
+build() { (cd "$T" && PYTHONUNBUFFERED=1 timeout 1500 $PY -m esphome "$@"); }
+build run --no-logs "$D/wdap.yaml" --device "$AP" > "$D/ap-$b-upload.log" 2>&1 || { echo "FAIL: AP build or upload"; exit 1; }
+# The DUT reboots 150 s after joining the house network; retry when it reboots mid-upload.
+cb_upload() { build run --no-logs "$D/wdcb.yaml" --device "$CB" > "$D/cb-$b-upload.log" 2>&1; }
+retry 3 20 cb_upload || { echo "FAIL: CB3S build or OTA after 3 tries"; exit 1; }
+build compile "$D/wdbk.yaml" > "$D/bk-$b-build.log" 2>&1 || { echo "FAIL: BK7238 build"; exit 1; }
+# The build directory has two .uf2 files; firmware.uf2 is the one to flash.
+UF2=$D/.esphome/build/wdbk/.pioenvs/wdbk/firmware.uf2
+bk_flash() { $LT "$FB" flash write -d "$BK" "$UF2" > "$D/bk-$b-flash.log" 2>&1; }
+retry 4 5 bk_flash || { echo "FAIL: BK7238 flash after 4 tries"; exit 1; }
+sleep 20
+# The reset restarts the AP's 420 s window.
+$PY "$SC" "$AP" 450 "$D/ap-$b.txt" --reset > /dev/null 2>&1 & C1=$!
+sleep 8
+$PY "$SC" "$BK" 440 "$D/bk-$b.txt" --released > /dev/null 2>&1 & C2=$!
+trap 'kill $C1 $C2 2>/dev/null' EXIT
+wait $C1 $C2; trap - EXIT
+$PY "$D/an.py" "$D" "$b"
@@ -0,0 +1,44 @@
+esphome:
+  name: ${name}
+
+logger:
+  level: DEBUG
+
+globals:
+  - id: connect_ms
+    type: uint32_t
+    initial_value: "0"
+
+wifi:
+  networks:
+    - ssid: ${ap_ssid}
+      password: !secret wd_ap_password
+      priority: 10
+    - ssid: !secret wifi_ssid
+      password: !secret wifi_password
+      priority: 0
+  on_connect:
+    - lambda: |-
+        id(connect_ms) = millis();
+        char buf[wifi::SSID_BUFFER_SIZE];
+        ESP_LOGI("wd", "JOINED %s after %u ms since boot", wifi::global_wifi_component->wifi_ssid_to(buf), (unsigned) millis());
+
+api:
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+interval:
+  - interval: 5s
+    then:
+      - lambda: |-
+          if (!wifi::global_wifi_component->is_connected() || id(connect_ms) == 0)
+            return;
+          char buf[wifi::SSID_BUFFER_SIZE];
+          bool on_ap = strcmp(wifi::global_wifi_component->wifi_ssid_to(buf), "${ap_ssid}") == 0;
+          uint32_t up = millis() - id(connect_ms);
+          if (up > (on_ap ? 30000u : 150000u)) {
+            ESP_LOGI("wd", "REBOOT on %s", on_ap ? "ap" : "home");
+            App.safe_reboot();
+          }
@@ -0,0 +1,59 @@
+substitutions:
+  ap_ssid: wd-pmf-ap
+
+esphome:
+  name: wdap
+  includes:
+    - wdap_inc.h
+  on_boot:
+    priority: -100
+    then:
+      - delay: 3s
+      - lambda: |-
+          wifi_config_t c{};
+          esp_err_t err = esp_wifi_get_config(WIFI_IF_AP, &c);
+          if (err == ESP_OK) {
+            c.ap.authmode = WIFI_AUTH_WPA2_WPA3_PSK;
+            c.ap.pmf_cfg.required = false;
+            c.ap.sae_pwe_h2e = WPA3_SAE_PWE_BOTH;
+            c.ap.max_connection = 4;
+            err = esp_wifi_set_config(WIFI_IF_AP, &c);
+          }
+          // read back: only a running AP that reports WPA2/WPA3 mixed counts as switched
+          wifi_config_t check{};
+          if (err == ESP_OK)
+            err = esp_wifi_get_config(WIFI_IF_AP, &check);
+          if (err != ESP_OK || check.ap.authmode != WIFI_AUTH_WPA2_WPA3_PSK) {
+            ESP_LOGE("wdap", "AP CONFIG FAILED: %d authmode %d", err, (int) check.ap.authmode);
+          } else {
+            ESP_LOGI("wdap", "AP set to WPA2/WPA3 mixed, PMF capable: %d", err);
+          }
+          esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, [](void *, esp_event_base_t, int32_t id, void *data) {
+            if (id == WIFI_EVENT_AP_STACONNECTED) {
+              auto *e = (wifi_event_ap_staconnected_t *) data;
+              ESP_LOGI("wdap", "STA JOIN %02X:%02X:%02X:%02X:%02X:%02X aid %u t %u", e->mac[0], e->mac[1], e->mac[2], e->mac[3], e->mac[4], e->mac[5], e->aid, (unsigned) millis());
+            } else if (id == WIFI_EVENT_AP_STADISCONNECTED) {
+              auto *e = (wifi_event_ap_stadisconnected_t *) data;
+              ESP_LOGI("wdap", "STA LEAVE %02X:%02X:%02X:%02X:%02X:%02X aid %u reason %u t %u", e->mac[0], e->mac[1], e->mac[2], e->mac[3], e->mac[4], e->mac[5], e->aid, e->reason, (unsigned) millis());
+            }
+          }, nullptr);
+      - delay: 420s
+      - lambda: ESP_LOGI("wdap", "AP WINDOW OVER");
+      - wifi.disable:
+
+esp32:
+  board: esp32dev
+  framework:
+    type: esp-idf
+
+logger:
+  level: DEBUG
+
+wifi:
+  ap:
+    ssid: ${ap_ssid}
+    password: !secret wd_ap_password
+    ap_timeout: 0s
+
+ota:
+  - platform: esphome
@@ -0,0 +1,3 @@
+#pragma once
+#include <esp_wifi.h>
+#include <esp_event.h>
@@ -0,0 +1,13 @@
+# BK7238 DUT (NiceMCU XH-WB3S), flashed over serial by run.sh
+substitutions:
+  name: wdbk
+  ap_ssid: wd-pmf-ap
+
+packages:
+  common: !include wd-common.yaml
+
+bk72xx:
+  board: xh-wb3s
+
+logger:
+  hardware_uart: UART1
@@ -0,0 +1,13 @@
+# CB3S (BK7231N) DUT, flashed over the air by run.sh
+substitutions:
+  name: wdcb
+  ap_ssid: wd-pmf-ap
+
+packages:
+  common: !include wd-common.yaml
+
+bk72xx:
+  board: cb3s
+
+logger:
+  hardware_uart: UART1
@@ -0,0 +1,76 @@
+"""Count the Xiaomi, ATC and PVVX publishes in a capture and compare them with expected.json from gen.py.
+Usage: count.py CAPTURE [pr|base] [--allow-loss N] [--probe]
+--probe (injection run): the PR build must leave the probe frame's service data unchanged.
+Exits 0 when every count matches the model (or falls short by at most N over the air), 1 otherwise."""
+
+import argparse
+import collections
+import json
+from pathlib import Path
+import re
+import sys
+
+ap = argparse.ArgumentParser()
+ap.add_argument("capture", type=Path)
+ap.add_argument("build", nargs="?", choices=["pr", "base"])
+ap.add_argument("--allow-loss", type=int, default=0)
+ap.add_argument("--probe", action="store_true")
+a = ap.parse_args()
+cap, build, loss = a.capture, a.build, a.allow_loss
+LETTER = {"0A": "A", "0B": "B", "0C": "C", "0D": "D", "0E": "E", "0F": "F", "10": "G"}
+GOT = re.compile(
+    r"Got (?:Xiaomi \S+|ATC MiThermometer|PVVX MiThermometer) \([AC]4:C1:38:00:00:(\w\w)\)"
+)
+
+counts = collections.Counter()
+cur = None
+humidity = set()
+probe = {}
+for line in cap.read_text(encoding="utf-8", errors="replace").splitlines():
+    if m := GOT.search(line):
+        cur = LETTER[m.group(1)]
+        continue
+    if m := re.search(r"\[probe.*\b(before|after)\s+([0-9A-F]+)", line):
+        probe[m.group(1)] = m.group(2)
+    if "Humidity:" in line:
+        humidity.add(line.split("Humidity:")[1].strip())
+    if (m := re.search(r"Temperature: (-?[\d.]+)", line)) and cur:
+        t = float(m.group(1))
+        tag = cur
+        if (
+            cur == "A" and t >= 50
+        ):  # after-bad frames are 60.1 to 64.0, normal ones 22.1 to 26.0
+            tag = "A_after_bad"
+        if cur == "A" and abs(t - 33.3) < 0.01:
+            tag = "A_probe"  # xb_rewrite_probe's own parse, not part of the model
+        if cur == "D" and abs(t - 11.1) < 0.01:
+            tag = "D_boot"
+        counts[tag] += 1
+        cur = None
+print(cap.name, dict(sorted(counts.items())))
+print("  humidity values", len(humidity))
+if not counts:
+    print("FAIL: no Xiaomi publishes in the capture")
+    sys.exit(1)
+if build is None:
+    sys.exit(0)
+expected = json.loads(Path("expected.json").read_text(encoding="utf-8"))[build]
+bad = 0
+for tag in sorted((set(expected) | set(counts)) - {"A_probe"}):
+    want, got = expected.get(tag, 0), counts.get(tag, 0)
+    ok = want - loss <= got <= want
+    bad += not ok
+    print(f"  {tag:12} want {want:3} got {got:3} {'ok' if ok else 'DIFF'}")
+if a.probe:
+    before, after = probe.get("before"), probe.get("after")
+    print(f"  probe before {before}\n  probe after  {after}")
+    if before is None or after is None:
+        print("  probe lines missing")
+        bad += 1
+    elif build == "pr" and before != after:
+        print("  the listener rewrote the shared service data")
+        bad += 1
+print(
+    f"{'PASS' if not bad else 'FAIL'}: {build} model {'matches' if not bad else f'has {bad} failed checks'}"
+)
+sys.exit(1 if bad else 0)
@@ -0,0 +1,254 @@
+"""Generate MiBeacon, ATC and PVVX advertisements, a C++ header that sends them and the expected publish counts.
+Usage: gen.py [--ota]
+Without --ota: frames.hpp for xbinject.yaml (scan results injected into the tracker, A4:C1:38 addresses).
+With --ota: adv_frames.hpp for xbadv.yaml (a second ESP32 advertises them, C4:C1:38 random static addresses).
+Both write expected.json ({"base": {...}, "pr": {...}}) for count.py."""
+
+import json
+from pathlib import Path
+import struct
+import sys
+
+from cryptography.hazmat.primitives.ciphers.aead import AESCCM
+
+OTA = "--ota" in sys.argv[1:]
+CYCLES = 40
+K1 = bytes.fromhex("6c0d1a3e5b7f29c4a18e90d2f3b46a57")
+K2 = bytes.fromhex("0f1e2d3c4b5a69788796a5b4c3d2e1f0")
+# Random static addresses need the top two bits set, so the over the air run uses C4 instead of A4.
+PREFIX = "C4C138" if OTA else "A4C138"
+MACS = {
+    k: f"{PREFIX}0000{i + 10:02X}" for i, k in enumerate("ABCDEFG")
+}  # ...0A to ...10
+MAC = {k: bytes.fromhex(v) for k, v in MACS.items()}
+MIDX = {k: i for i, k in enumerate(MACS)}
+
+
+def mibeacon_plain(dev, pid, cnt, obj):
+    return (
+        bytes([0x50, 0x20])
+        + struct.pack("<H", pid)
+        + bytes([cnt])
+        + MAC[dev][::-1]
+        + obj
+    )
+
+
+def mibeacon_enc(dev, pid, cnt, obj, key, short, corrupt=False):
+    ext = bytes([cnt, 0x00, 0x00])
+    if short:
+        hdr = bytes([0x48, 0x59]) + struct.pack("<H", pid) + bytes([cnt])
+    else:
+        hdr = (
+            bytes([0x58, 0x58]) + struct.pack("<H", pid) + bytes([cnt]) + MAC[dev][::-1]
+        )
+    nonce = MAC[dev][::-1] + hdr[2:5] + ext
+    ct = AESCCM(key, tag_length=4).encrypt(nonce, obj, b"\x11")
+    body, tag = ct[:-4], ct[-4:]
+    if corrupt:
+        tag = bytes([tag[0] ^ 0xFF]) + tag[1:]
+    out = hdr + body + ext + tag
+    assert len(out) == (19 if short else 18 + len(obj)), len(out)
+    return out
+
+
+def t16(v):  # 0x1004 temperature object
+    return bytes([0x04, 0x10, 0x02]) + struct.pack("<h", round(v * 10))
+
+
+def th(t, h):  # 0x100D temperature + humidity
+    return bytes([0x0D, 0x10, 0x04]) + struct.pack("<hh", round(t * 10), round(h * 10))
+
+
+frames = []  # (dev, kind 0 = FE95 / 1 = 181A, data, tag for the expectation)
+frames.append(("D", 0, mibeacon_plain("D", 0x0347, 0, t16(11.1)), "D_boot"))
+steps = [len(frames)]
+for k in range(1, CYCLES + 1):
+    frames.append(("B", 0, mibeacon_plain("B", 0x01AA, k, th(20 + k / 10, 40)), "B"))
+    frames.append(("C", 0, mibeacon_plain("C", 0x0098, k, t16(21 + k / 10)), "C"))
+    frames.append(
+        ("A", 0, mibeacon_enc("A", 0x055B, k + 100, t16(22 + k / 10), K1, False), "A")
+    )
+    if k % 2 == 0:
+        bad = mibeacon_enc("A", 0x055B, k + 150, t16(60 + k / 10), K1, False, True)
+        frames.append(("A", 0, bad, "A_bad"))
+        good = mibeacon_enc("A", 0x055B, k + 150, t16(60 + k / 10), K1, False)
+        frames.append(("A", 0, good, "A_after_bad"))
+    frames.append(
+        ("E", 0, mibeacon_enc("E", 0x1203, k + 50, th(23 + k / 10, 50), K2, True), "E")
+    )
+    frames.append(("D", 0, mibeacon_plain("D", 0x0347, k + 200, t16(24 + k / 10)), "D"))
+    atc = (
+        MAC["F"]
+        + struct.pack(">h", round((26 + k / 10) * 10))
+        + bytes([45, 90])
+        + struct.pack(">H", 2950)
+    )
+    frames.append(("F", 1, atc + bytes([k]), "F"))
+    pv = (
+        MAC["G"][::-1]
+        + struct.pack("<hHH", round((27 + k / 10) * 100), 4600, 3010)
+        + bytes([88, k, 0])
+    )
+    frames.append(("G", 1, pv, "G"))
+    steps.append(len(frames))
+
+
+def simulate(pr):
+    """Base keeps one counter shared by every device and checks it before the tag; the PR keeps one per device."""
+    last_shared = 0
+    last = {}
+    pub = {}
+    for dev, kind, data, tag in frames:
+        if kind == 1:
+            cnt = data[12 if dev == "F" else 13]
+            if last.get(("x", dev)) == cnt:
+                continue
+            last["x", dev] = cnt
+        elif pr:
+            if last.get(dev) == data[4] or tag == "A_bad":
+                continue
+            last[dev] = data[4]
+        else:
+            if last_shared == data[4]:
+                continue
+            last_shared = data[4]
+            if tag == "A_bad":
+                continue
+        pub[tag] = pub.get(tag, 0) + 1
+    return pub
+
+
+expected = {"base": simulate(False), "pr": simulate(True)}
+print("base", expected["base"])
+print("pr  ", expected["pr"])
+Path("expected.json").write_text(json.dumps(expected), encoding="utf-8")
+
+
+def c_rows(name, rows):
+    out = [f"static const uint8_t {name}[{len(rows)}][{len(rows[0][0])}] = {{"]
+    out += [
+        "  {" + ",".join(f"0x{b:02X}" for b in row) + "}," + (f"  // {c}" if c else "")
+        for row, c in rows
+    ]
+    return "\n".join([*out, "};", ""])
+
+
+mac_rows = [(MAC[k], "") for k in MACS]
+frame_rows = [
+    ((bytes([MIDX[d], kind, len(data)]) + data).ljust(28, b"\0"), tag)
+    for d, kind, data, tag in frames
+]
+
+INJECT = """
+inline void xb_fill(esphome::esp32_ble::BLEScanResult &r, const uint8_t *mac, bool fe95, const uint8_t *data,
+                    uint8_t len) {
+  memcpy(r.bda, mac, 6);
+  r.ble_addr_type = 0;
+  r.rssi = -50;
+  uint8_t n = 0;
+  r.ble_adv[n++] = 2;
+  r.ble_adv[n++] = 0x01;
+  r.ble_adv[n++] = 0x06;
+  r.ble_adv[n++] = len + 3;
+  r.ble_adv[n++] = 0x16;
+  r.ble_adv[n++] = fe95 ? 0x95 : 0x1A;
+  r.ble_adv[n++] = fe95 ? 0xFE : 0x18;
+  memcpy(r.ble_adv + n, data, len);
+  r.adv_data_len = n + len;
+  r.scan_rsp_len = 0;
+  r.search_evt = ESP_GAP_SEARCH_INQ_RES_EVT;
+}
+
+inline void xb_inject(size_t first, size_t last) {
+  for (size_t i = first; i < last; i++) {
+    const uint8_t *row = XB_FRAMES[i];
+    esphome::esp32_ble::BLEScanResult r{};
+    xb_fill(r, XB_MACS[row[0]], row[1] == 0, row + 3, row[2]);
+    esphome::esp32_ble_tracker::global_esp32_ble_tracker->gap_scan_event_handler(r);
+  }
+}
+
+inline void xb_hex(const char *label, const std::vector<uint8_t> &v) {
+  char buf[80];
+  size_t n = 0;
+  for (size_t i = 0; i < v.size() && n + 3 < sizeof(buf); i++)
+    n += snprintf(buf + n, sizeof(buf) - n, "%02X", v[i]);
+  ESP_LOGI("probe", "%s %s", label, buf);
+}
+
+// Parse one encrypted frame with the listener directly and show whether it rewrote the shared service data.
+inline void xb_rewrite_probe(esphome::ble_device_base::ESPBTDeviceListener *listener) {
+  esphome::esp32_ble::BLEScanResult r{};
+  xb_fill(r, XB_MACS[0], true, XB_PROBE, sizeof(XB_PROBE));
+  esphome::ble_device_base::ESPBTDevice device;
+  device.parse_scan_rst(r);
+  xb_hex("before", device.get_service_datas()[0].data);
+  bool ok = listener->parse_device(device);
+  ESP_LOGI("probe", "parse_device returned %d", ok);
+  xb_hex("after ", device.get_service_datas()[0].data);
+}
+"""
+
+ADVERTISE = """
+static uint32_t af_failed = 0;  // sends where a GAP call returned an error
+
+// Returns false (and counts it) when the address, the data or the start was rejected.
+inline bool af_send(int i) {
+  const uint8_t *row = AF_FRAMES[i];
+  uint8_t adv[31];
+  uint8_t n = 0;
+  adv[n++] = 2;
+  adv[n++] = 0x01;
+  adv[n++] = 0x06;
+  adv[n++] = row[2] + 3;
+  adv[n++] = 0x16;
+  adv[n++] = row[1] == 0 ? 0x95 : 0x1A;
+  adv[n++] = row[1] == 0 ? 0xFE : 0x18;
+  memcpy(adv + n, row + 3, row[2]);
+  n += row[2];
+  esp_ble_gap_stop_advertising();  // fails harmlessly when nothing is advertising yet
+  uint8_t addr[6];
+  memcpy(addr, AF_MACS[row[0]], 6);
+  esp_err_t e1 = esp_ble_gap_set_rand_addr(addr);
+  esp_err_t e2 = esp_ble_gap_config_adv_data_raw(adv, n);
+  esp_ble_adv_params_t p{};
+  p.adv_int_min = 0x20;  // 20 ms
+  p.adv_int_max = 0x20;
+  p.adv_type = ADV_TYPE_NONCONN_IND;
+  p.own_addr_type = BLE_ADDR_TYPE_RANDOM;
+  p.channel_map = ADV_CHNL_ALL;
+  p.adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY;
+  esp_err_t e3 = esp_ble_gap_start_advertising(&p);
+  if (e1 == ESP_OK && e2 == ESP_OK && e3 == ESP_OK)
+    return true;
+  af_failed++;
+  ESP_LOGW("af", "frame %d send failed: rand_addr %d adv_data %d start %d", i, e1, e2, e3);
+  return false;
+}
+
+inline void af_stop() { esp_ble_gap_stop_advertising(); }
+"""
+
+if OTA:
+    head = '#pragma once\n#include <esp_gap_ble_api.h>\n#include <cstring>\n#include "esphome/core/log.h"\n'
+    body = c_rows("AF_MACS", mac_rows) + c_rows("AF_FRAMES", frame_rows)
+    body += f"static constexpr int AF_COUNT = {len(frames)};\n" + ADVERTISE
+    Path("adv_frames.hpp").write_text(head + body, encoding="utf-8")
+else:
+    head = '#pragma once\n#include <cstring>\n#include "esphome/components/esp32_ble/ble_scan_result.h"\n'
+    probe = mibeacon_enc("A", 0x055B, 0xF5, t16(33.3), K1, False)
+    body = c_rows("XB_MACS", mac_rows) + c_rows("XB_FRAMES", frame_rows)
+    body += (
+        f"static const uint16_t XB_STEPS[{len(steps)}] = {{"
+        + ",".join(map(str, steps))
+        + "};\n"
+    )
+    body += f"static constexpr size_t XB_NUM_STEPS = {len(steps)};\n"
+    body += (
+        "static const uint8_t XB_PROBE[] = {"
+        + ",".join(f"0x{b:02X}" for b in probe)
+        + "};\n"
+    )
+    Path("frames.hpp").write_text(head + body + INJECT, encoding="utf-8")
+print("frames", len(frames), "longest", max(len(d) for _, _, d, _ in frames))
@@ -0,0 +1,41 @@
+#!/bin/bash
+# usage: run.sh inject|ota pr|base   build and flash the receiver, capture its serial log, compare the counts
+# Copy this directory into a scratch directory with a secrets.yaml (wifi_ssid, wifi_password, api_key) and run it there.
+# inject: xbinject.yaml injects the frames into its own tracker. ota: xbrecv.yaml listens to xbadv.yaml, which must
+# already run on a second ESP32 (python gen.py --ota, then flash xbadv.yaml once).
+# env: TREE (esphome checkout to build from), PORT (receiver serial port), SC (path to serial_capture.py),
+# PY (checkout python), ADV (advertiser address, ota only)
+D=$(cd "$(dirname "$0")" && pwd); MODE=${1:?inject or ota}; B=${2:?pr or base}; T=${TREE:?set TREE}
+P=${PORT:?set PORT}; SC=${SC:?set SC}; PY=${PY:-$T/venv/bin/python}
+cd "$D" || exit 1
+if [ "$MODE" = ota ]; then
+  A=${ADV:?set ADV}; Y=xbrecv; SECS=130; LOSS=2
+  $PY gen.py --ota > gen.txt || { echo "gen.py failed"; exit 1; }
+else
+  Y=xbinject; SECS=80; LOSS=0; PROBE=--probe
+  $PY gen.py > gen.txt || { echo "gen.py failed"; exit 1; }
+fi
+OUT=$D/$MODE-$B; mkdir -p "$OUT"
+pkill -f "[s]erial_capture.py $P"
+(cd "$T" && PYTHONUNBUFFERED=1 timeout 1500 $PY -m esphome run --no-logs "$D/$Y.yaml" --device "$P" > "$OUT/upload.log" 2>&1) \
+  || { echo "FAIL: build or upload failed, see $OUT/upload.log"; exit 1; }
+$PY "$SC" "$P" $SECS "$OUT/cap.txt" --reset > /dev/null 2>&1 & CAP=$!
+trap 'kill $CAP 2>/dev/null' EXIT
+if [ "$MODE" = ota ]; then
+  # 18 s lets the receiver boot and start scanning, so the counter 0 boot frame is the first one it hears
+  sleep 18
+  CODE=$(curl -s -m 5 -X POST -d "" -o /dev/null -w "%{http_code}" "http://$A/button/start/press")
+  [ "$CODE" = 200 ] || { echo "FAIL: advertiser start button returned $CODE"; exit 1; }
+fi
+wait $CAP; trap - EXIT
+[ -s "$OUT/cap.txt" ] || { echo "FAIL: serial capture got nothing"; exit 1; }
+CRASH=$(grep -acE 'Guru|abort\(\)|Backtrace:' "$OUT/cap.txt")
+$PY count.py "$OUT/cap.txt" "$B" --allow-loss $LOSS $PROBE; RC=$?
+if [ "$MODE" = ota ]; then
+  # the advertiser counts frames whose GAP calls failed; those are not radio loss
+  FAILED=$(curl -s -m 5 "http://$A/sensor/failed%20sends" | $PY -c "import json,sys; print(int(json.load(sys.stdin)['value']))")
+  echo "advertiser failed sends: ${FAILED:-unknown}"
+  [ "$FAILED" = 0 ] || RC=1
+fi
+echo "crash lines: $CRASH"
+[ "$RC" = 0 ] && [ "$CRASH" = 0 ]
@@ -0,0 +1,76 @@
+esphome:
+  name: xbadv
+  includes:
+    - adv_frames.hpp
+
+esp32:
+  board: esp32-s3-devkitc-1
+  variant: esp32s3
+  flash_size: 16MB
+  framework:
+    type: esp-idf
+
+logger:
+  hardware_uart: USB_SERIAL_JTAG
+
+ethernet:
+  type: W5500
+  clk_pin: GPIO13
+  mosi_pin: GPIO11
+  miso_pin: GPIO12
+  cs_pin: GPIO14
+  interrupt_pin: GPIO10
+  reset_pin: GPIO9
+
+api:
+  encryption:
+    key: !secret api_key
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+web_server:
+  port: 80
+
+esp32_ble:
+
+globals:
+  - id: af_idx
+    type: int
+    initial_value: "-1"
+
+button:
+  - platform: template
+    name: start
+    on_press:
+      - lambda: |-
+          id(af_idx) = 0;
+          af_failed = 0;
+          // an unfinished sequence reads as unknown, not as the 0 from an earlier run
+          id(failed_sends).publish_state(NAN);
+          ESP_LOGI("af", "sequence start");
+
+interval:
+  - interval: 250ms
+    then:
+      - lambda: |-
+          int i = id(af_idx);
+          if (i < 0)
+            return;
+          if (i >= AF_COUNT) {
+            af_stop();
+            id(af_idx) = -1;
+            ESP_LOGI("af", "sequence done, %u failed sends", (unsigned) af_failed);
+            id(failed_sends).publish_state(af_failed);
+            return;
+          }
+          af_send(i);
+          id(af_idx) = i + 1;
+
+sensor:
+  - platform: template
+    id: failed_sends
+    name: failed sends
+    accuracy_decimals: 0
+    update_interval: never
@@ -0,0 +1,107 @@
+substitutions:
+  name: xbinject
+
+esphome:
+  name: ${name}
+  includes:
+    - frames.hpp
+
+esp32:
+  board: esp32dev
+  framework:
+    type: esp-idf
+
+logger:
+  level: DEBUG
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+
+api:
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+globals:
+  - id: xb_step
+    type: int
+    initial_value: "0"
+
+esp32_ble_tracker:
+  on_ble_service_data_advertise:
+    - mac_address: A4:C1:38:00:00:0A
+      service_uuid: FE95
+      then:
+        - lambda: |-
+            char buf[80];
+            size_t n = 0;
+            for (size_t i = 0; i < x.size() && n + 3 < sizeof(buf); i++)
+              n += snprintf(buf + n, sizeof(buf) - n, "%02X", x[i]);
+            ESP_LOGI("svcA", "len %u data %s", (unsigned) x.size(), buf);
+
+interval:
+  - interval: 1s
+    startup_delay: 15s
+    then:
+      - lambda: |-
+          if (id(xb_step) + 1 >= (int) XB_NUM_STEPS) {
+            if (id(xb_step) + 1 == (int) XB_NUM_STEPS) {
+              ESP_LOGI("xb", "INJECT DONE");
+              xb_rewrite_probe(id(xa));
+              id(xb_step)++;
+            }
+            return;
+          }
+          int s = id(xb_step);
+          ESP_LOGI("xb", "inject step %d frames %u..%u", s, XB_STEPS[s], XB_STEPS[s + 1]);
+          if (s == 0)
+            xb_inject(0, XB_STEPS[0]);
+          xb_inject(XB_STEPS[s], XB_STEPS[s + 1]);
+          id(xb_step)++;
+
+sensor:
+  - platform: xiaomi_lywsd03mmc
+    id: xa
+    mac_address: A4:C1:38:00:00:0A
+    bindkey: 6c0d1a3e5b7f29c4a18e90d2f3b46a57
+    temperature:
+      name: "xA lywsd03mmc temp"
+  - platform: xiaomi_lywsdcgq
+    mac_address: A4:C1:38:00:00:0B
+    temperature:
+      name: "xB lywsdcgq temp"
+    humidity:
+      name: "xB lywsdcgq hum"
+  - platform: xiaomi_hhccjcy01
+    mac_address: A4:C1:38:00:00:0C
+    temperature:
+      name: "xC hhccjcy01 temp"
+  - platform: xiaomi_cgg1
+    mac_address: A4:C1:38:00:00:0D
+    temperature:
+      name: "xD cgg1 temp"
+  - platform: xiaomi_xmwsdj04mmc
+    mac_address: A4:C1:38:00:00:0E
+    bindkey: 0f1e2d3c4b5a69788796a5b4c3d2e1f0
+    temperature:
+      name: "xE xmwsdj04mmc temp"
+    humidity:
+      name: "xE xmwsdj04mmc hum"
+  - platform: atc_mithermometer
+    mac_address: A4:C1:38:00:00:0F
+    temperature:
+      name: "xF atc temp"
+    humidity:
+      name: "xF atc hum"
+    battery_voltage:
+      name: "xF atc volt"
+  - platform: pvvx_mithermometer
+    mac_address: A4:C1:38:00:00:10
+    temperature:
+      name: "xG pvvx temp"
+    humidity:
+      name: "xG pvvx hum"
+    battery_voltage:
+      name: "xG pvvx volt"
@@ -0,0 +1,83 @@
+substitutions:
+  name: xbrecv
+
+esphome:
+  name: ${name}
+
+esp32:
+  board: esp32dev
+  framework:
+    type: esp-idf
+
+logger:
+  level: DEBUG
+
+wifi:
+  ssid: !secret wifi_ssid
+  password: !secret wifi_password
+
+api:
+  reboot_timeout: 0s
+
+ota:
+  - platform: esphome
+
+esp32_ble_tracker:
+  scan_parameters:
+    interval: 100ms
+    window: 100ms
+    active: false
+  on_ble_service_data_advertise:
+    - mac_address: C4:C1:38:00:00:0A
+      service_uuid: FE95
+      then:
+        - lambda: |-
+            char buf[80];
+            size_t n = 0;
+            for (size_t i = 0; i < x.size() && n + 3 < sizeof(buf); i++)
+              n += snprintf(buf + n, sizeof(buf) - n, "%02X", x[i]);
+            ESP_LOGI("svcA", "len %u data %s", (unsigned) x.size(), buf);
+
+sensor:
+  - platform: xiaomi_lywsd03mmc
+    mac_address: C4:C1:38:00:00:0A
+    bindkey: 6c0d1a3e5b7f29c4a18e90d2f3b46a57
+    temperature:
+      name: "xA lywsd03mmc temp"
+  - platform: xiaomi_lywsdcgq
+    mac_address: C4:C1:38:00:00:0B
+    temperature:
+      name: "xB lywsdcgq temp"
+    humidity:
+      name: "xB lywsdcgq hum"
+  - platform: xiaomi_hhccjcy01
+    mac_address: C4:C1:38:00:00:0C
+    temperature:
+      name: "xC hhccjcy01 temp"
+  - platform: xiaomi_cgg1
+    mac_address: C4:C1:38:00:00:0D
+    temperature:
+      name: "xD cgg1 temp"
+  - platform: xiaomi_xmwsdj04mmc
+    mac_address: C4:C1:38:00:00:0E
+    bindkey: 0f1e2d3c4b5a69788796a5b4c3d2e1f0
+    temperature:
+      name: "xE xmwsdj04mmc temp"
+    humidity:
+      name: "xE xmwsdj04mmc hum"
+  - platform: atc_mithermometer
+    mac_address: C4:C1:38:00:00:0F
+    temperature:
+      name: "xF atc temp"
+    humidity:
+      name: "xF atc hum"
+    battery_voltage:
+      name: "xF atc volt"
+  - platform: pvvx_mithermometer
+    mac_address: C4:C1:38:00:00:10
+    temperature:
+      name: "xG pvvx temp"
+    humidity:
+      name: "xG pvvx hum"
+    battery_voltage:
+      name: "xG pvvx volt"
Author	SHA1	Message	Date
J. Nick Koston	b37e046a52	Tighten the WISP, AP restart, Xiaomi advertiser and OTA timing checks	2026-10-26 04:22:44 -10:00
J. Nick Koston	3246311daa	Move earlier OTA timing results aside at the start of a run	2026-10-26 04:17:19 -10:00
J. Nick Koston	659efd5fcb	Count missing OTA uploads and benchmark results as failures, support API keys	2026-10-26 03:59:51 -10:00
J. Nick Koston	bb3f175fa7	Add the OTA upload timing and inflate benchmark flows, address review OTA timing A/B runner with deflate, raw and TCP modes, an API build check, a UF2 trim step for trees that have device_ota_uf2(), and an on-device inflate benchmark. The WISP summary needs a successful lookup in every upstream on phase, the PMF AP reads its config back, the advertiser counts failed GAP sends, and btdrive only counts rounds that disconnected cleanly after a service read.	2026-10-26 00:09:37 -10:00
J. Nick Koston	223022e0a6	Merge remote-tracking branch 'origin/dev' into hardware-test-skill-sync-9	2026-10-26 00:04:36 -10:00
J. Nick Koston	3b0a1ba339	Address review: retry status, per-round latency, stretch timeout, one boot, released BK capture	2026-10-25 21:24:25 -10:00
J. Nick Koston	92655743c1	Address review: analyzer verdicts, central_bda guard, AP switch checks Separate the Xiaomi after-bad temperature range and check the probe on the PR build, guard central_bda.hpp, require every BLE round and latency 10, check each upstream AP switch, fail on a missing BK7238 capture, a failed WPA3 switch, a missing DUT or a BK7238 that never joined, and count the I2C NACK and stretch reads in RW OK.	2026-10-25 19:37:28 -10:00
J. Nick Koston	5f79e92c14	[ci] Add Xiaomi BLE, WPA3 AP, BLE terminate and I2C slave flows to the hardware-test skill Adds the flows proven since the last sync: Xiaomi, ATC and PVVX parsing by injected or over the air frames, proxy disconnects against a peer with peripheral latency, a fake I2C slave, reboots against a WPA2/WPA3 PMF access point, WISP and ALWAYS_ON AP switching, and AP restarts with WPA3 mixed and LIGHT power save. Also adds the Thread and BK7231N fallback AP facts to boards.md, the ItsyBitsy UF2 path to nrf52.md, and the result comment format to the Report step.	2026-10-25 17:02:04 -10:00