Add cmd-k to delete current line

frontend/src/controllers/prompt_controller.js

@@ -0,0 +1,42 @@
+import { Controller } from "@hotwired/stimulus"
+
+export class PromptController extends Controller {
+    static targets = [
+        "label",
+        "input",
+    ];
+
+    connect() {
+        this._callback = null;
+
+        window.runtime.EventsOn("prompt-request", (data) => {
+            this.prompt(data.label, (res) => {
+                window.runtime.EventsEmit("prompt-response", res);
+            });
+        });
+    }
+
+    prompt(label, callback) {
+        this._callback = callback;
+        this.labelTarget.textContent = label;
+        this.inputTarget.value = "";
+        this.element.showModal();
+        this.inputTarget.focus();
+    }
+
+    submit(ev) {
+        ev.preventDefault();
+        let value = this.inputTarget.value;
+        this.element.close();
+        if (this._callback) {
+            this._callback(value);
+            this._callback = null;
+        }
+    }
+
+    dismiss(ev) {
+        ev.preventDefault();
+        this._callback = null;
+        this.element.close();
+    }
+}