redbear-power: wire keybinding config into key dispatch

Add KeyBindings::char_for() and replace the 7 hardcoded Key::Char arms in main.rs (quit, cycle_governor, refresh_now, toggle_help, snapshot, benchmark_start, benchmark_stop). Esc remains a quit fallback. All other keys stay hardcoded. Build, 224 tests, clippy, and fmt clean.

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

@@ -117,6 +117,27 @@ impl Default for KeyBindings {
     }
 }
 
+impl KeyBindings {
+    /// Return the first character configured for a command, if any.
+    /// Recognized commands: `quit`, `cycle_governor`, `refresh_now`,
+    /// `toggle_help`, `snapshot`, `benchmark_start`, `benchmark_stop`.
+    /// Multi-character strings return only the first char; unrecognized
+    /// commands return `None`.
+    pub fn char_for(&self, command: &str) -> Option<char> {
+        let s = match command {
+            "quit" => &self.quit,
+            "cycle_governor" => &self.cycle_governor,
+            "refresh_now" => &self.refresh_now,
+            "toggle_help" => &self.toggle_help,
+            "snapshot" => &self.snapshot,
+            "benchmark_start" => &self.benchmark_start,
+            "benchmark_stop" => &self.benchmark_stop,
+            _ => return None,
+        };
+        s.chars().next()
+    }
+}
+
 #[derive(Clone, Debug, Deserialize)]
 #[serde(default)]
 pub struct BenchmarkConfig {

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

@@ -332,6 +332,7 @@ fn main() -> io::Result<()> {
         POLL_MS
     });
     app.poll_ms = poll.as_millis() as u64;
+    let kb = &cfg.keybindings;
     let mut show_help = false;
     // Tab/BackTab cycles keyboard focus between header / table / controls.
     let mut focused_panel: usize = 1;
@@ -912,7 +913,9 @@ fn main() -> io::Result<()> {
                     Key::Esc if app.pid_detail.is_some() => {
                         app.pid_detail = None;
                     }
-                    Key::Char('q') | Key::Esc => {
+                    _ if k == Key::Esc
+                        || matches!(k, Key::Char(c) if kb.char_for("quit") == Some(c)) =>
+                    {
                         if bench.running {
                             bench.stop();
                         }
@@ -960,7 +963,7 @@ fn main() -> io::Result<()> {
                     Key::Char('8') => app.set_tab(app::TabId::Storage),
                     Key::Char('9') => app.set_tab(app::TabId::Process),
                     Key::Char('T') => app.set_tab(app.current_tab.next()),
-                    Key::Char('?') => show_help = !show_help,
+                    Key::Char(c) if kb.char_for("toggle_help") == Some(c) => show_help = !show_help,
                     Key::Down | Key::Char('j') if show_help => {
                         app.help_scroll = app.help_scroll.saturating_add(1);
                     }
@@ -979,7 +982,9 @@ fn main() -> io::Result<()> {
                     Key::End | Key::Char('G') if show_help => {
                         app.help_scroll = 200;
                     }
-                    Key::Char('g') => app.cycle_governor(),
+                    Key::Char(c) if kb.char_for("cycle_governor") == Some(c) => {
+                        app.cycle_governor()
+                    }
                     Key::Char('p') => app.step_selected_pstate(-1),
                     Key::Char('P') => app.step_selected_pstate(1),
                     Key::Char('m') => app.force_min_pstate(),
@@ -1072,12 +1077,12 @@ fn main() -> io::Result<()> {
                             app.flash_status("no process selected");
                         }
                     }
-                    Key::Char('r') => {
+                    Key::Char(c) if kb.char_for("refresh_now") == Some(c) => {
                         app.refresh();
                         last_refresh = Instant::now();
                         app.flash_status("refreshed");
                     }
-                    Key::Char('c') => {
+                    Key::Char(c) if kb.char_for("snapshot") == Some(c) => {
                         let path = "/tmp/redbear-power-snapshot.txt";
                         match fs::write(path, snapshot(&app, 140, 50)) {
                             Ok(_) => app.flash_status(format!("snapshot → {path}")),
@@ -1143,7 +1148,7 @@ fn main() -> io::Result<()> {
                         interval_input = None;
                         app.flash_status("refresh interval cancelled");
                     }
-                    Key::Char('b') => {
+                    Key::Char(c) if kb.char_for("benchmark_start") == Some(c) => {
                         bench.start(app.cpus.len(), 30);
                         let cores = if bench.single_core {
                             1
@@ -1156,7 +1161,7 @@ fn main() -> io::Result<()> {
                             cores
                         ));
                     }
-                    Key::Char('B') => {
+                    Key::Char(c) if kb.char_for("benchmark_stop") == Some(c) => {
                         if bench.running {
                             bench.stop();
                             app.flash_status(format!(