The fan curve previously only controlled fan index 0; secondary fans
stayed on driver control. The curve can now target all fans (new
default) or any individual fan(s).
Backend:
- hal/fans.py: get_num_fans() via nvmlDeviceGetNumFans; get_fan_info()
returns per-fan speeds; set_fan_speed() accepts a fan index list
(None = all fans; all-fans mode is lenient toward driver-locked
fans, explicit lists are strict); reset_fan() restores all fans.
- server.py: per-GPU fan_targets state; the poller applies the curve to
all target fans and logs write failures (once per distinct error);
activation validates targets against the hardware (stale indices fall
back to all fans); POST /api/fans accepts fans, POST /api/fans/speed
accepts a fan index, GET /api/fans returns num_fans/fans/fan_targets.
- Persistence format is now {"curve": ..., "fans": ...}; legacy
bare-curve entries migrate to "all fans" at startup.
- Profiles save/apply fan_targets alongside fan_curve.
- MonitoringSample carries per-fan speeds for live gauges.
Frontend:
- Fans tab: All / Fan 1 / Fan 2 / ... selector with live per-fan %;
the selection is applied together with the curve.
- Live monitor: per-fan gauges with sparklines for multi-fan GPUs.
ARIA
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