default for post-process and revert ui changes

src-tauri/src/settings.rs

@@ -562,6 +562,15 @@ pub fn get_default_settings() -> AppSettings {
             current_binding: default_shortcut.to_string(),
         },
     );
+    #[cfg(target_os = "windows")]
+    let default_post_process_shortcut = "ctrl+shift+space";
+    #[cfg(target_os = "macos")]
+    let default_post_process_shortcut = "option+shift+space";
+    #[cfg(target_os = "linux")]
+    let default_post_process_shortcut = "ctrl+shift+space";
+    #[cfg(not(any(target_os = "windows", target_os = "macos", target_os = "linux")))]
+    let default_post_process_shortcut = "alt+shift+space";
+
     bindings.insert(
         "transcribe_with_post_process".to_string(),
         ShortcutBinding {
@@ -569,8 +578,8 @@ pub fn get_default_settings() -> AppSettings {
             name: "Transcribe with Post-Processing".to_string(),
             description: "Converts your speech into text and applies AI post-processing."
                 .to_string(),
-            default_binding: String::new(),
+            default_binding: default_post_process_shortcut.to_string(),
-            current_binding: String::new(),
+            current_binding: default_post_process_shortcut.to_string(),
         },
     );
     bindings.insert(

src-tauri/src/shortcut/mod.rs

@@ -108,6 +108,11 @@ pub fn change_binding(
     id: String,
     binding: String,
 ) -> Result<BindingResponse, String> {
+    // Reject empty bindings — every shortcut should have a value
+    if binding.trim().is_empty() {
+        return Err("Binding cannot be empty".to_string());
+    }
+
     let mut settings = settings::get_settings(&app);
 
     // Get the binding to modify, or create it from defaults if it doesn't exist
@@ -707,10 +712,7 @@ pub fn change_post_process_enabled_setting(app: AppHandle, enabled: bool) -> Res
         .cloned()
     {
         if enabled {
-            // Only register if the user has actually set a binding
+            let _ = register_shortcut(&app, binding);
-            if !binding.current_binding.is_empty() {
-                let _ = register_shortcut(&app, binding);
-            }
         } else {
             let _ = unregister_shortcut(&app, binding);
         }

src/components/settings/GlobalShortcutInput.tsx

@@ -293,22 +293,16 @@ export const GlobalShortcutInput: React.FC<GlobalShortcutInputProps> = ({
         {editingShortcutId === shortcutId ? (
           <div
             ref={(ref) => setShortcutRef(shortcutId, ref)}
-            className="px-2 py-1 text-sm font-semibold border border-logo-primary bg-logo-primary/30 rounded min-w-[120px] text-center"
+            className="px-2 py-1 text-sm font-semibold border border-logo-primary bg-logo-primary/30 rounded"
           >
             {formatCurrentKeys()}
           </div>
         ) : (
           <div
-            className={`px-2 py-1 text-sm font-semibold rounded cursor-pointer min-w-[120px] text-center ${
+            className="px-2 py-1 text-sm font-semibold bg-mid-gray/10 border border-mid-gray/80 hover:bg-logo-primary/10 rounded cursor-pointer hover:border-logo-primary"
-              binding.current_binding
-                ? "bg-mid-gray/10 border border-mid-gray/80 hover:bg-logo-primary/10 hover:border-logo-primary"
-                : "bg-mid-gray/5 border border-mid-gray/40 hover:bg-logo-primary/10 hover:border-logo-primary text-mid-gray/60"
-            }`}
             onClick={() => startRecording(shortcutId)}
           >
-            {binding.current_binding
+            {formatKeyCombination(binding.current_binding, osType)}
-              ? formatKeyCombination(binding.current_binding, osType)
-              : t("settings.general.shortcut.notSet")}
           </div>
         )}
         <ResetButton

src/components/settings/HandyKeysShortcutInput.tsx

@@ -278,22 +278,16 @@ export const HandyKeysShortcutInput: React.FC<HandyKeysShortcutInputProps> = ({
         {isRecording ? (
           <div
             ref={shortcutRef}
-            className="px-2 py-1 text-sm font-semibold border border-logo-primary bg-logo-primary/30 rounded min-w-[120px] text-center"
+            className="px-2 py-1 text-sm font-semibold border border-logo-primary bg-logo-primary/30 rounded"
           >
             {formatCurrentKeys()}
           </div>
         ) : (
           <div
-            className={`px-2 py-1 text-sm font-semibold rounded cursor-pointer min-w-[120px] text-center ${
+            className="px-2 py-1 text-sm font-semibold bg-mid-gray/10 border border-mid-gray/80 hover:bg-logo-primary/10 rounded cursor-pointer hover:border-logo-primary"
-              binding.current_binding
-                ? "bg-mid-gray/10 border border-mid-gray/80 hover:bg-logo-primary/10 hover:border-logo-primary"
-                : "bg-mid-gray/5 border border-mid-gray/40 hover:bg-logo-primary/10 hover:border-logo-primary text-mid-gray/60"
-            }`}
             onClick={startRecording}
           >
-            {binding.current_binding
+            {formatKeyCombination(binding.current_binding, osType)}
-              ? formatKeyCombination(binding.current_binding, osType)
-              : t("settings.general.shortcut.notSet")}
           </div>
         )}
         <ResetButton

src/i18n/locales/en/translation.json

@@ -110,7 +110,6 @@
         "loading": "Loading shortcuts...",
         "none": "No shortcuts configured",
         "notFound": "Shortcut not found",
-        "notSet": "Not set",
         "pressKeys": "Press keys...",
         "bindings": {
           "transcribe": {