Linux: file watchers skip reads, so idle apps stop rereading theme, settings and repos (L1.2)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

crates/ely-ui/src/theme/omarchy/mod.rs

@@ -29,9 +29,12 @@ pub fn load(current: &Path) -> Result<Option<OmarchyTheme>> {
         Err(error) if error.kind() == io::ErrorKind::NotFound => return Ok(None),
         Err(error) => return Err(error).with_context(|| format!("cannot read {}", file.display())),
     };
-    let name = fs::read_to_string(current.join("theme.name"))
-        .ok()
-        .map(|name| name.trim().to_string());
+    let name_file = current.join("theme.name");
+    let name = match fs::read_to_string(&name_file) {
+        Ok(name) => Some(name.trim().to_string()),
+        Err(error) if error.kind() == io::ErrorKind::NotFound => None,
+        Err(error) => return Err(error).with_context(|| format!("cannot read {}", name_file.display())),
+    };
     parse(&text, name, theme.join("light.mode").exists())
         .with_context(|| format!("{} is not a usable theme", file.display()))
         .map(Some)
@@ -53,6 +56,8 @@ pub fn changes(current: &Path) -> Result<(RecommendedWatcher, UnboundedReceiver<
     let (sender, receiver) = mpsc::unbounded();
     let mut watcher =
         notify::recommended_watcher(move |event: notify::Result<notify::Event>| match event {
+            // Reads, ours included, are no change.
+            Ok(event) if crate::watching::only_read(&event.kind) => {}
             Ok(_) => {
                 let _ = sender.unbounded_send(());
             }

crates/ely-ui/src/theme/omarchy/tests.rs

@@ -314,3 +314,29 @@ fn changes_sees_a_theme_swap_in_the_order_omarchy_does_it() {
         "no event for a swapped theme"
     );
 }
+
+#[test]
+fn reading_the_theme_is_no_change() {
+    let current = tempfile::tempdir().unwrap();
+    let theme_dir = current.path().join("theme");
+    fs::create_dir(&theme_dir).unwrap();
+    fs::write(theme_dir.join("colors.toml"), LATTE).unwrap();
+    fs::write(current.path().join("theme.name"), "catppuccin-latte\n").unwrap();
+    let (_watcher, mut events) = changes(current.path()).unwrap();
+
+    load(current.path()).unwrap().expect("a theme");
+    assert!(!event_within(&mut events, 10), "a read counted as a change");
+}
+
+#[test]
+fn an_unreadable_theme_name_is_an_error_and_a_missing_one_is_none() {
+    let current = tempfile::tempdir().unwrap();
+    let theme_dir = current.path().join("theme");
+    fs::create_dir(&theme_dir).unwrap();
+    fs::write(theme_dir.join("colors.toml"), LATTE).unwrap();
+    assert_eq!(load(current.path()).unwrap().unwrap().name, None);
+
+    fs::create_dir(current.path().join("theme.name")).unwrap();
+    let error = format!("{:#}", load(current.path()).unwrap_err());
+    assert!(error.contains("theme.name"), "{error}");
+}