[verified] feat(quickshell): add dense application launcher

dotfiles/quickshell/tests/ApplicationLauncherHeadless.qml

@@ -0,0 +1,62 @@
+import QtQuick
+import qs.widgets.launcher
+
+ApplicationLauncherContent {
+    width: 1080
+    height: 620
+
+    query: "term"
+    selectedIndex: 1
+    showIcons: false
+    apps: [
+        {
+            name: "Alacritty",
+            genericName: "Terminal Emulator",
+            comment: "GPU accelerated command interface",
+            icon: "utilities-terminal",
+            categories: ["System", "TerminalEmulator"]
+        },
+        {
+            name: "Ghostty",
+            genericName: "Terminal",
+            comment: "Fast native terminal for local operations",
+            icon: "com.mitchellh.ghostty",
+            categories: ["System", "TerminalEmulator"]
+        },
+        {
+            name: "Kitty",
+            genericName: "Terminal Emulator",
+            comment: "GPU based terminal with multiplexing",
+            icon: "kitty",
+            categories: ["System", "TerminalEmulator"]
+        },
+        {
+            name: "Vivaldi",
+            genericName: "Web Browser",
+            comment: "Access network and web applications",
+            icon: "vivaldi",
+            categories: ["Network", "WebBrowser"]
+        },
+        {
+            name: "Cosmic Files",
+            genericName: "File Manager",
+            comment: "Browse and manage local storage",
+            icon: "com.system76.CosmicFiles",
+            categories: ["System", "FileManager"]
+        },
+        {
+            name: "Obsidian",
+            genericName: "Knowledge Base",
+            comment: "Local-first markdown workspace",
+            icon: "obsidian",
+            categories: ["Office"]
+        },
+        {
+            name: "Steam",
+            genericName: "Game Platform",
+            comment: "Launch and manage games",
+            icon: "steam",
+            categories: ["Game"]
+        }
+    ]
+}