Extract and apply StartupWMClass for proper taskbar icons

src/core/analysis.rs

@@ -133,6 +133,11 @@ pub fn run_background_analysis(id: i64, path: PathBuf, appimage_type: AppImageTy
             Some(meta.screenshot_urls.join("\n"))
         };
 
+        // Store StartupWMClass
+        if let Some(ref wm_class) = meta.startup_wm_class {
+            db.set_startup_wm_class(id, Some(wm_class)).ok();
+        }
+
         if let Err(e) = db.update_appstream_metadata(
             id,
             meta.appstream_id.as_deref(),

src/core/database.rs

@@ -1754,6 +1754,14 @@ impl Database {
         Ok(())
     }
 
+    pub fn set_startup_wm_class(&self, id: i64, wm_class: Option<&str>) -> SqlResult<()> {
+        self.conn.execute(
+            "UPDATE appimages SET startup_wm_class = ?2 WHERE id = ?1",
+            params![id, wm_class],
+        )?;
+        Ok(())
+    }
+
     // --- Launch statistics ---
 
     pub fn get_top_launched(&self, limit: i32) -> SqlResult<Vec<(String, u64)>> {

src/core/inspector.rs

@@ -61,6 +61,7 @@ pub struct AppImageMetadata {
     pub desktop_actions: Vec<String>,
     pub has_signature: bool,
     pub screenshot_urls: Vec<String>,
+    pub startup_wm_class: Option<String>,
 }
 
 #[derive(Debug, Default)]
@@ -76,6 +77,7 @@ struct DesktopEntryFields {
     mime_types: Vec<String>,
     terminal: bool,
     x_appimage_name: Option<String>,
+    startup_wm_class: Option<String>,
     actions: Vec<String>,
 }
 
@@ -367,6 +369,7 @@ fn parse_desktop_entry(content: &str) -> DesktopEntryFields {
                 }
                 "Terminal" => fields.terminal = value == "true",
                 "X-AppImage-Name" => fields.x_appimage_name = Some(value.to_string()),
+                "StartupWMClass" => fields.startup_wm_class = Some(value.to_string()),
                 "Actions" => {
                     fields.actions = value
                         .split(';')
@@ -814,6 +817,7 @@ pub fn inspect_appimage(
             .as_ref()
             .map(|a| a.screenshot_urls.clone())
             .unwrap_or_default(),
+        startup_wm_class: fields.startup_wm_class,
     })
 }