Applies @ruvnet's five review requests on PR #397 (RuView#397 comment
4289417527):
1. **Inline comment on `provision.py` `write_flash`** — ESP-IDF v5.4
bundles esptool 4.10.0 (underscore-only). #391's hyphen swap broke
the documented venv flow; kept the underscore form and added a
three-line comment warning future maintainers not to "re-fix" it.
2. **Correct `edge_processing.c` sample_rate** (blocking) — changed
hard-coded `20.0f` → `10.0f` at line 718 so
`estimate_bpm_zero_crossing()` matches the MGMT-only CSI rate.
Without this, breathing and heart-rate reports were 2× the true
value. Added a comment tying the constant to the callback rate gate.
3. **Removed disabled probe-injection infrastructure** — dropped the
forward declaration, the `CSI_PROBE_INTERVAL_MS` define, six static
variables (`s_probe_timer`, `s_probe_tx_count`, `s_probe_tx_fail`,
`s_ap_bssid`, `s_ap_bssid_known`), and three functions
(`csi_send_probe_request`, `probe_timer_cb`,
`csi_collector_start_probe_timer`). None were reachable.
`csi_inject_ndp_frame()` reverted to the original ADR-029 stub.
Can be revived from this commit's parent if needed.
4. **Cleaned `sdkconfig.defaults`** — removed the SPIRAM prose and
commented-out `# CONFIG_SPIRAM is not set` line. Kept only the live
`CONFIG_ESP_WIFI_EXTRA_IRAM_OPT=y` with a concise rationale.
5. **Bumped firmware version 0.6.1 → 0.6.2** and added four
`[Unreleased]` CHANGELOG entries covering the SPI cache crash fix,
the `filter_mac` / `node_id` clobber defense, the sample-rate
correction, and the `write_flash` command-form revert.
Net: +39 / -128 across six files.
Validation in this devcontainer:
- Static sanity on modified C files: braces balance (csi_collector.c
59/59; edge_processing.c 96/96), zero dangling references to removed
probe-injection symbols.
- Rust workspace tests and Python proof not executed here — cargo not
installed and pip blocked by PEP 668. Deferring hardware build +
flash + miniterm verification to @ruvnet's COM7 per his offer in
the review comment.
Co-Authored-By: claude-flow <ruv@ruv.net>