redbear-power: update stale docstrings for Redox process control and MSR temperature fallback

local/recipes/system/redbear-power/source/src/process.rs

@@ -11,9 +11,10 @@
 //! (truncated to 15 chars + newline) — used as a fallback if the
 //! parens-parsing fails.
 //!
-//! On Redox, no equivalent scheme exists yet, so `read()` returns an
-//! empty `ProcInfo` and the render layer shows
-//! `(no processes detected)`.
+//! Process-management mutations (`kill`, `set_nice`, `set_affinity`) are
+//! implemented on Linux via `libc` and on Redox via `libredox` and the
+//! `/scheme/proc` proc scheme. Process enumeration still relies on
+//! `/proc/[pid]/stat`, which is available on both platforms.
 
 use std::fs;
 

local/recipes/system/redbear-power/source/src/sensor.rs

@@ -1,7 +1,7 @@
-//! Hardware sensor readings via `sysfs` (`/sys/class/hwmon/hwmonN/*`).
+//! Hardware sensor readings.
 //!
-//! Linux exposes hardware monitoring chips via the `hwmon` class. Each
-//! chip (CPU temp sensor, NVMe controller, RAM SPD, NIC PHY, etc.)
+//! On Linux the primary source is `sysfs` (`/sys/class/hwmon/hwmonN/*`).
+//! Each chip (CPU temp sensor, NVMe controller, RAM SPD, NIC PHY, etc.)
 //! gets its own directory at `/sys/class/hwmon/hwmonN/`. Inside:
 //! - `name` — chip identifier (k10temp, coretemp, nvme, etc.)
 //! - `temp*_input` — temperature in milli-Celsius (divide by 1000 for °C)
@@ -11,10 +11,10 @@
 //! - `curr*_input` — current in milli-Amps
 //! - `*_label` — human-readable label for the corresponding `_input`
 //!
-//! On Redox, no equivalent scheme exists yet, so `read_sensors()` returns
-//! an empty `Vec` and the render layer shows `(no sensors detected)`.
-//! Forward work: implement a `hwmon` scheme daemon in `redox-driver-sys`
-//! that exposes parsed sensor data via `/scheme/hwmon/<chip>/...`.
+//! On Redox, the `hwmon` scheme is not yet implemented, so when the sysfs
+//! path is absent the module falls back to reading the CPU package
+//! temperature via the `IA32_THERM_STATUS` MSR exposed through
+//! `/scheme/sys/msr/`.
 
 use std::fs;
 use std::path::{Path, PathBuf};