Add atuin to nushell

modules/home/terminal/nushell.nix

@@ -23,35 +23,43 @@ in {
 
       shellAliases = aliases;
 
-      # vi mode + sensible defaults
-      extraConfig = ''
-        $env.config = {
-          show_banner: false
-          edit_mode: vi
+      # vi mode + sensible defaults via flat assignments (avoids clobbering other modules)
+      settings = {
+        show_banner = false;
+        edit_mode = "vi";
+        cursor_shape = {
+          vi_insert = "line";
+          vi_normal = "block";
+        };
+        history = {
+          max_size = 2097152;
+          sync_on_enter = true;
+          file_format = "sqlite";
+          isolation = false;
+        };
+        completions = {
+          case_sensitive = false;
+          quick = true;
+          partial = true;
+          algorithm = "fuzzy";
+        };
+        table.mode = "rounded";
+      };
 
-          cursor_shape: {
-            vi_insert: line
-            vi_normal: block
-          }
-
-          history: {
-            max_size: 2097152
-            sync_on_enter: true
-            file_format: "sqlite"
-            isolation: false
-          }
-
-          completions: {
-            case_sensitive: false
-            quick: true
-            partial: true
-            algorithm: "fuzzy"
-          }
-
-          table: {
-            mode: rounded
-          }
-        }
+      # Append the / keybinding after all integrations (including atuin) are sourced,
+      # so _atuin_search_cmd is defined when this runs.
+      extraConfig = lib.mkAfter ''
+        $env.config = (
+          $env.config | upsert keybindings (
+            $env.config.keybindings | append {
+              name: atuin_search_vi_normal
+              modifier: none
+              keycode: char_/
+              mode: vi_normal
+              event: { send: executehostcommand cmd: (_atuin_search_cmd) }
+            }
+          )
+        )
       '';
 
       # Carry over zsh session variables

modules/home/terminal/tools.nix

@@ -42,6 +42,7 @@ in
           atuin = {
             enable = true;
             enableZshIntegration = true;
+            enableNushellIntegration = true;
             flags = ["--disable-up-arrow"];
             settings = {
               sync_frequency = "5m";