redbear-power: persist show_full_cmdline in session state

The C key toggle state now survives app restart via serde-backed
session.toml. Uses #[serde(default)] for backward compatibility
with existing session files.

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

@@ -522,6 +522,7 @@ impl App {
         app.process_tree = session.process_tree;
         app.folded = session.folded.into_iter().collect();
         app.process_filter = session.process_filter;
+        app.show_full_cmdline = session.show_full_cmdline;
         app
     }
 
@@ -542,6 +543,7 @@ impl App {
             process_tree: self.process_tree,
             folded: self.folded.iter().copied().collect(),
             process_filter: self.process_filter.clone(),
+            show_full_cmdline: self.show_full_cmdline,
         };
         session.save();
     }
@@ -1875,6 +1877,7 @@ mod tests {
             process_tree: app.process_tree,
             folded: app.folded.iter().copied().collect(),
             process_filter: app.process_filter.clone(),
+            show_full_cmdline: app.show_full_cmdline,
         };
         let serialized = toml::to_string(&session).unwrap();
         let parsed: crate::session::SessionState = toml::from_str(&serialized).unwrap();

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

@@ -42,6 +42,9 @@ pub struct SessionState {
     pub folded: Vec<u32>,
     /// Active filter string. Empty = no filter.
     pub process_filter: String,
+    /// Show full command line instead of comm name.
+    #[serde(default)]
+    pub show_full_cmdline: bool,
 }
 
 impl Default for SessionState {
@@ -53,6 +56,7 @@ impl Default for SessionState {
             process_tree: false,
             folded: Vec::new(),
             process_filter: String::new(),
+            show_full_cmdline: false,
         }
     }
 }
@@ -160,6 +164,7 @@ mod tests {
             process_tree: true,
             folded: vec![100, 200, 300],
             process_filter: "kworker".to_string(),
+            show_full_cmdline: true,
         };
         let serialized = toml::to_string(&s).unwrap();
         let parsed: SessionState = toml::from_str(&serialized).unwrap();
@@ -218,6 +223,7 @@ mod tests {
             process_tree: false,
             folded: vec![42],
             process_filter: "bash".to_string(),
+            show_full_cmdline: false,
         };
         let serialized = toml::to_string(&s).unwrap();
         // Mimic the temp+rename flow with a different name