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13a2867ef678edd5a853696126e809c0c7887e2d
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Author SHA1 Message Date
alro65 13a2867ef6 sprint-2.5: RBAC 4 roles + Studio bootable + Flash Console 
End-to-end implementation per docs/sprint-2.5-plan.md.

New requirement added by user mid-sprint: 4-role RBAC (Super Admin /
Engineer / Owner / User) with dual-auth for Engineer flashing firmware,
plus a "mini Arduino IDE" inside the Studio.

Tests: pytest 231/231 green (129 Sprint 2 + 102 Sprint 2.5 new).

RBAC core (arautopilot/core/):

- rbac.py: 4 roles, 12 capabilities, immutable capability matrix,
  has() / capabilities_of() / require() / requires_dual_auth() helpers.
  Engineer flashing firmware needs SA approval; everything else is
  single-factor.
- user.py: User model with PBKDF2-HMAC-SHA256 PIN hashing (200k iters,
  16-byte salt, self-describing hash format for future migrations).
  4-8 digit numeric PINs enforced.
- user_store.py: JSON-backed user database. seed_demo_users() for
  first-run UX.
- audit.py: append-only JSONL audit log. AuditEvent with timestamp,
  user_id, role, action, target, outcome, reason, secondary_user_id
  for dual-auth, optional extra payload. Crypto signing of lines
  deferred to Sprint 8.

Studio GUI (arautopilot/studio/):

- app.py: real entry point (replaces Sprint 0 stub). --seed-demo
  populates demo users without launching GUI; --data-dir overrides the
  ~/.ar-autopilot/studio/ default.
- session.py: Session + SessionHolder. check() always audits the
  decision; verify_super_admin_pin() + log_dual_auth_grant() for
  dual-auth flows.
- login_window.py: modal login dialog with user picker + PIN field.
  Audits login attempts (success and bad-PIN denials).
- main_window.py: top-level window with sidebar (user + role + caps)
  and tab area (Overview, Flash Console, Project placeholder,
  Telemetry placeholder).
- flash_console.py: the "mini Arduino IDE". Lists serial ports via
  pyserial; picks firmware variant (esp32-dev / esp32-debug); compiles
  via 'pio run'; flashes via 'pio run -t upload --upload-port <port>';
  streams pio output to a dark-themed read-only console; supports
  cancel. For Engineer flashes, asks the Super Admin for their PIN
  inline before invoking pio. Records dual-auth grant + pio exit code
  in the audit log.

Dependencies:

- New [project.optional-dependencies] group 'studio': PySide6>=6.6,
  pyserial>=3.5, platformio>=6.1. Kept optional so the core can be
  installed in lean / CI environments.

Tests (arautopilot/tests/):

- test_rbac.py: 32 tests for capability matrix, dual-auth policy,
  no-privilege-escalation invariants, partial overlap between roles.
- test_user.py: 11 tests for PIN hashing, verification, salting,
  serialisation, field validators.
- test_audit.py: 9 tests for JSONL append, immutability, round-trip,
  corrupt-line detection, dual-auth event shape, blank-line tolerance.
- test_user_store.py: 10 tests for CRUD, persistence, role filtering,
  demo seed idempotency.
- test_session.py: 9 tests for capability checks + audit side effects,
  SA PIN verification, dual-auth recording, SessionHolder lifecycle.
- test_studio_smoke.py: 5 headless tests verifying Studio modules
  import without a display server, --seed-demo works, helpers safe to
  call without hardware.

NOT in Sprint 2.5 (intentional):
  - Crypto signing of audit log lines (hash-chain) -- Sprint 8
  - HWID binding of the user store -- Sprint 8
  - Project configurator + .appack compiler -- Sprint 4
  - Flutter bridge display -- Sprint 4
  - Telemetry dashboard tab -- Sprint 4
  - Serial monitor as a separate tab -- future enhancement

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-05-18 18:04:27 -04:00
alro65 295efa2d83 sprint-2: PID inner loop + Python rudder simulator 
End-to-end implementation per docs/sprint-2-plan.md.

Builds: pio run -e esp32-dev SUCCESS, RAM 6.8%, Flash 26.8% (351 KB).
Tests: pytest 129/129 green (110 Sprint 1 + 19 Sprint 2).

Python (arautopilot/studio/simulator/):

- rudder_dynamics.py: marine-realistic physical model of a hydraulic
  rudder actuator. Defaults tuned so 100 % PWM produces steady-state
  v_max ~5 deg/s, matching the brief's "typical 3-6 dps" for a 30 m
  yacht. Includes deadband, min-useful PWM snap, port/stbd asymmetry,
  end-stops, optional external torque, RunRecorder helper.
- pid_inner.py: pure-Python reference PID. Anti-windup via back-
  calculation, setpoint rate limit, setpoint deadband, derivative LPF,
  actuator non-linearity compensation. This module is the algorithmic
  source of truth; C++ firmware is a line-by-line port.

Firmware (firmware/ar_autopilot_v1/src/pid/):

- pid_inner.h: header-only C++17 controller, byte-equivalent port of
  pid_inner.py. Compiles on ESP32 toolchain AND on host g++/clang/MSVC
  (no Arduino dependencies) -- ready for native Unity cross-validation
  once a host compiler is installed.
- pid_inner_task.{h,cpp}: FreeRTOS task wrapper. 50 Hz on Core 1
  (real-time core). Subscribes to TWDT, bleeds integrator during
  STANDBY, surfaces telemetry + tunables via the Modbus slave.

Modbus map (regenerated from YAML):

- 6 new INPUT registers (40-45): setpoint, output, error, kp/ki/kd live
- 4 new HOLDING registers (16-19): writable setpoint + kp/ki/kd req
  (writes propagate atomically; zero kp rejected as ILLEGAL_DATA_VALUE)

Tests:

- test_rudder_simulator.py: 9 tests (zero-input rest, full deflection,
  end-stop saturation, deadband, min-useful snap, asymmetry, recorder
  API, invalid dt, end-stop velocity zeroing).
- test_pid_inner_python.py: 10 tests (positive/negative step response,
  setpoint deadband holds, anti-windup bounds under saturation,
  allowed=false bleeds integrator, actuator deadband + asymmetry
  compensation, output saturation, rate limit, disturbance rejection).

NOT in Sprint 2 (intentional per brief sec. 12):
  - Outer heading PID, gain scheduling by SOG, ROT feed-forward
    (those land in Sprint 3)
  - Cross-validation tests via ctypes (need host C++ compiler that
    this Windows machine lacks; algorithmic parity enforced by review)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-05-18 15:27:45 -04:00
alro65 65860948b4 sprint-1: firmware ESP32 base -- STANDBY + Modbus + NMEA 2000 + watchdog 
End-to-end implementation of Sprint 1 per docs/sprint-1-plan.md.

Builds: pio run -e esp32-dev SUCCESS, RAM 6.7%, Flash 26.5% (347 KB).
Tests: pytest 110/110 green; pio test -e native deferred (needs host
       C++ compiler -- none on this Windows machine).

Firmware (firmware/ar_autopilot_v1/):

- platformio.ini: 4 envs (esp32-dev release, esp32-debug, native unity
  tests, check static analysis). NMEA2000-library@4.22, NMEA2000_esp32@
  1.0, eModbus@1.7.4 pinned.
- main.cpp: boot in STANDBY, FreeRTOS task spawn, returns to scheduler.
- system/: ar_log.h facade, task_config.h (priorities/stacks/cores
  central table), heartbeat (1 Hz LED + uptime).
- modes/: STANDBY-only state machine; non-STANDBY rejected.
- hal/: di_do.cpp (5 DI + 10 DO with debounce + last-state cache),
  rudder_sensor.cpp (100 Hz ADC + 5-sample median filter, Core 1),
  rudder_actuator.cpp (DO1/DO2/DO3 with three safety interlocks:
  power-off, STANDBY mode, limit switch).
- safety/: TWDT @ 2 s panic-on-expire; 50 Hz safety task on Core 1
  enforcing DI1 physical disengage button, DI4 external alarm,
  both-limit-switch interlock.
- protocols/modbus_slave.cpp: eModbus RTU server on UART2 @ 38400 8N1,
  slave ID 1. 17 inputs + 19 discretes + 5 holdings + 4 coils. Reads
  pull live telemetry; writes validate range and route to handlers.
- protocols/nmea2000_consumer.cpp: stack open with CAN TX=GPIO3
  RX=GPIO1, subscribed to PGN 127250 (Heading) + PGN 127251 (Rate of
  Turn). 5 s staleness flag built in for Sprint 6 alarm wiring.
- filters/median.h: templated MedianFilter<T,N> (host testable).

Cross-cutting:

- modbus_registers.yaml: single source of truth for the Modbus register
  map. 45 entries.
- tools/gen_modbus_registers.py: YAML -> C++ header + Python module
  generator with --check for drift detection.
- arautopilot/shared/modbus_register_map.py: generated Python mirror,
  imported by Studio + tools.
- arautopilot/tests/test_modbus_register_map.py: 30 tests covering
  schema, address uniqueness, range, spot-checks, and drift detection
  (fails if YAML edited without regenerating).
- firmware/ar_autopilot_v1/tools/modbus_client_test.py: manual Modbus
  client for poking the slave from a PC with USB-RS485 dongle.
- firmware/ar_autopilot_v1/test/test_median_filter/test_median.cpp:
  8 Unity tests of the median filter (host-side, no Arduino dependency).
- docs/firmware.md: full operator + integrator guide (toolchain, build,
  flash, expected boot log, troubleshooting, Sprint 1 capability matrix).

Architecture note: opted for Arduino-on-ESP32 only instead of the
proposed dual Arduino-as-ESP-IDF-component setup. Rationale documented
in CHANGELOG and docs/firmware.md -- Arduino-on-ESP32 already provides
the FreeRTOS primitives we need; dual framework adds fragility without
benefit at Sprint 1 scope. Reconsider in Sprint 8 (OTA + secure boot).

NOT in Sprint 1 (intentional per brief sec. 12):
  - PID loops (inner/outer)
  - True Course / Track Keeping
  - Full alarm catalogue beyond DI1/DI4
  - Knob driver
  - Studio GUI / dedicated display

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-05-18 10:45:56 -04:00
alro65 8d4a698144 polish(sprint-0): clean code per ruff + mypy strict 
Run the dev linters over Sprint 0's core/library/shared modules and
address every finding. Behaviour unchanged; tests still 80/80 green.

Changes:

- Replace `class Foo(str, Enum)` with `class Foo(StrEnum)` (PEP 663
  / Python 3.11+) in 7 enum classes: ActuatorType, AlarmSeverity,
  AlarmType, KnobMode, KnobFunction, AutopilotMode, AccessLevel,
  VesselType. Pydantic v2 serialises StrEnum the same way, so YAML/JSON
  round-trips are byte-identical.
- Use `datetime.UTC` alias in place of `datetime.timezone.utc`
  (UP017) across alarms.py, knob_state.py, project_config.py, and
  test_knob_state.py.
- Remove now-unnecessary forward-reference quotes from method return
  type annotations (UP037) — `from __future__ import annotations` is
  already in scope everywhere.
- Tighten `_read_json_resource` / `_read_yaml_resource` in the library
  loader: validate that the deserialised payload is actually a dict
  before returning, instead of leaking `Any` from json.loads /
  yaml.safe_load. Fixes the only two `mypy --strict` findings.
- Add `.claude/settings.local.json` to .gitignore (personal
  Claude Code overrides are not committed).

Verification:
  ruff check arautopilot/                 -> All checks passed
  mypy arautopilot/core library shared    -> Success, 0 issues, 12 files
  pytest                                  -> 80 passed in 0.25s

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-05-18 07:26:37 -04:00
alro65 700756c16f sprint-0: foundations -- data model, seed library, tests, demo 
Initial commit. Delivers what the brief calls 'Sprint 0 - Foundations'
(see docs/AR_Autopilot_brief.md section 12):

- Complete repository structure (arautopilot package + firmware, display,
  installer, tools placeholders + docs).
- Core data model (Pydantic v2): modes, alarms, actuator config, PID
  config + gain scheduling, vessel config, knob state machine, project
  config with YAML/JSON serialisation.
- Seed library: 2 actuator profiles (hydraulic & electric DC reversible)
  and 2 default tunings (yacht motor planeo 30 m and 40 m). Conservative
  literature values, NOT the integrator's production tuning IP.
- Firmware skeleton: only src/hal/pinout.h with the 21 I/O contract for
  the AR-NMEA-IO v1.0 board. No drivers, no main loop.
- Studio stubs (real PySide6 app starts in Sprint 4).
- pytest suite (80 tests, all green): modes, alarms, actuator, PID
  (incl. gain interpolation and the +/-50% adaptive bound from brief
  section 6), vessel, knob state, project config, library loader,
  end-to-end roundtrip.
- examples/sprint0_demo.py - the acceptance demo from the brief.

Acceptance criteria met:
- pytest green (80/80)
- demo creates, saves (YAML + JSON), reloads, and verifies a full
  ProjectConfig using the seed library
- repository ready for tag `sprint-0-approved`

See CHANGELOG.md for the detailed scope.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
 2026-05-17 23:57:18 -04:00