add(vicinae): fallback if vicinae crashed

apps/vicinae/default.nix

@@ -1,5 +1,22 @@
-{pkgs, ...}: {
-  # TODO: create a script that initializes vicinae if `vicinae server` is off.
+{
+  pkgs,
+  inputs,
+  ...
+}: let
+  vicinae-toggle = pkgs.writeShellScriptBin "vicinae-toggle" ''
+    VICINAE_BIN="${inputs.vicinae.packages.${pkgs.system}.default}/bin/vicinae"
+    ARGS=("$@")
+    if [ ''${#ARGS[@]} -eq 0 ]; then
+      ARGS=("toggle")
+    fi
+
+    if ! "$VICINAE_BIN" "''${ARGS[@]}" 2>/dev/null; then
+      ${pkgs.systemd}/bin/systemctl --user restart vicinae || "$VICINAE_BIN" server &
+      sleep 0.4
+      exec "$VICINAE_BIN" "''${ARGS[@]}"
+    fi
+  '';
+in {
   services.vicinae = {
     enable = true;
     systemd = {
@@ -42,15 +59,17 @@
   # Ensure vicinae themes directory exists for matugen output
   home.file.".local/share/vicinae/themes/.keep".text = "";
 
+  home.packages = [vicinae-toggle];
+
   wayland.windowManager.hyprland.settings = {
     exec-once = [
       "vicinae server"
     ];
 
     bindd = [
-      "SUPER, SPACE, Open Vicinae, exec, vicinae toggle"
-      "SUPER, period, Open Emoji Picker, exec, vicinae deeplink vicinae://extensions/vicinae/core/search-emojis"
-      "SUPER, C, Open Calculator, exec, vicinae deeplink vicinae://extensions/vicinae/calculator/history"
+      "SUPER, SPACE, Open Vicinae, exec, vicinae-toggle"
+      "SUPER, period, Open Emoji Picker, exec, vicinae-toggle deeplink vicinae://extensions/vicinae/core/search-emojis"
+      "SUPER, C, Open Calculator, exec, vicinae-toggle deeplink vicinae://extensions/vicinae/calculator/history"
     ];
   };
 }