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openscribe/state/TODO.md
Laurence f84bbca80b
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test(dev): emulation + linting harness (Wokwi, native tests, CI, docs) 
Answers "how do we emulate/lint this?" with runnable tooling for every part, and
factors the pure firmware logic out so it is unit-testable on the host.

What changed:
- firmware/src/wav.h, firmware/src/httprange.h: pure, header-only WAV header builder
  and HTTP Range parser (no Arduino deps), so the tricky byte-layout and range logic
  can be tested on a PC. storage.cpp and api_http.cpp refactored to use them.
- firmware/test/test_pure/: Unity tests for the WAV header fields and Range parsing
  (start-end, open-ended, clamped, unsatisfiable, non-bytes). Run: pio test -e native.
- firmware/platformio.ini: add [env:native] (host tests) and [env:esp32s3_wokwi]
  (emulator build with default WiFi = Wokwi-GUEST so the API comes up in the sim).
- firmware/wokwi.toml + firmware/diagram.json: Wokwi emulator harness (ESP32-S3 +
  microSD + button + LED). Note: Wokwi has no I2S mic part, so audio isn't emulated;
  the harness targets boot + WiFi + REST API.
- firmware/src/main.cpp + config.cpp: bring up WiFi + API even if audio/SD init fails
  (device stays reachable, reports the fault via GET /device); compile-time default
  WiFi honoured when NVS is empty (used by the Wokwi build).
- .forgejo/workflows/ci.yml: add native tests + cppcheck to the firmware job; new
  openapi job (openapi-spec-validator) and emulator job (Wokwi build, plus a full run
  when WOKWI_CLI_TOKEN is set).
- docs/testing.md: the full emulate/lint guide for firmware, server, API, app, case.
- state/: NOTES points at the guide; TODO reflects this branch.

Why:
- The firmware can't be flashed yet (no parts) and doesn't build on this dev host, so
  we need host-runnable checks. Pure-logic unit tests + OpenAPI validation run anywhere;
  Wokwi emulates boot/WiFi/API; CI compiles the real firmware. Verified locally: the
  OpenAPI spec validates (12 paths, 10 schemas).

Notes:
- Native tests and cppcheck run in CI (no compiler on the dev host). The Wokwi full run
  is skipped unless a WOKWI_CLI_TOKEN secret is present; the build is still verified.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-03 12:16:25 +01:00

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TODO

The current state of play. Keep it honest and current; this is what the next session reads to know what to do. Move items between sections as they progress.

In progress

  • Dev testing + emulation harness - on feature/dev-testing, in PR.

Pending (roughly in build order)

  • M3 Independent uploader: charge/VBUS detect -> powered mode, S3-compatible + WebDAV upload of audio + metadata (config store already landed in M2). (branch feature/fw-uploader)
  • M4 BLE GATT: device info, battery, record control, WiFi provisioning, status notifications; hand-off to WiFi for transfer. (branch feature/fw-ble)
  • M5 Server ingest + transcription: FastAPI ingest from object store/upload, store, faster-whisper transcription, DB, exports (audio/TXT/SRT/VTT/JSON). REST API. (branch feature/server-ingest-stt)
  • M6 Server summaries: Ollama LLM summary + action items, Markdown export. (branch feature/server-summary)
  • M7 Flutter app: BLE provisioning, device dashboard, library from server API, playback, transcript/summary view, export/share, settings. (branch feature/app-mvp)
  • M8 3D case: parametric OpenSCAD enclosure fit to the BOM board + battery; print/fit. (branch feature/case-v1)
  • M9 Hardening + OTA: API auth, credential handling, OTA update, docs handoff. (branch feature/hardening-ota)

Done

  • M2 On-device WiFi + REST API - WiFi/SoftAP + mDNS + config(NVS) + device REST API (status, list, metadata, audio-with-Range, delete, record start/stop, config). (PR #2 feature/fw-rest-api, 2026-07-03). Not yet hardware-verified.
  • M1 Firmware recording core - mic capture to WAV on SD + button/LED + metadata (merged: PR #1 feature/fw-recorder-core, 2026-07-03). Not yet hardware-verified.
  • M0 Scaffold - repo, licences, state docs, BOM, OpenAPI, skeletons, CI (merged to main, 2026-07-03)
  • Create Forgejo repo laurence/openscribe (public, main) - 2026-07-03
  • Decide hardware, sync model, AI stack, app platform, storage, licensing (see DECISIONS.md) - 2026-07-03

Follow-ups (deferred, do when convenient)

  • Audio calibration: INMP441 emits 24-bit samples in a 32-bit slot. M1 reads in 16-bit mode (usable for speech, may be quiet). If levels are low on the dev build, capture 32-bit and right-shift into int16 in audio.cpp.
  • Real timestamps: ids/started_at are uptime-based (no RTC/NTP yet). Add NTP now that WiFi exists (M2), and switch ids and started_at to real UTC.
  • API auth is open when no token set; SoftAP has a fixed default passphrase. Harden both before any deployment (see NOTES "Security follow-ups").

Blocked / waiting

  • Physical build + on-device verification - waiting on parts from hardware/BOM.md. Until parts arrive, firmware is validated by CI build (Forgejo Actions) of both board profiles, not on real hardware.