feat(19-03): create QuestionForm component

- Renders mixed question types from questions array
- Submit disabled until all questions answered
- onSubmit called with Record<string, string> mapping questionId to answer

packages/web/src/components/QuestionForm.tsx

@@ -0,0 +1,91 @@
+import { useState } from "react";
+import { Button } from "@/components/ui/button";
+import { OptionGroup } from "@/components/OptionGroup";
+import { FreeTextInput } from "@/components/FreeTextInput";
+
+interface QuestionFormQuestion {
+  id: string;
+  question: string;
+  options?: Array<{ label: string; description?: string }>;
+  multiSelect?: boolean;
+}
+
+interface QuestionFormProps {
+  questions: QuestionFormQuestion[];
+  onSubmit: (answers: Record<string, string>) => void;
+  onCancel: () => void;
+  isSubmitting?: boolean;
+}
+
+export function QuestionForm({
+  questions,
+  onSubmit,
+  onCancel,
+  isSubmitting = false,
+}: QuestionFormProps) {
+  const [answers, setAnswers] = useState<Record<string, string>>(() => {
+    const initial: Record<string, string> = {};
+    for (const q of questions) {
+      initial[q.id] = "";
+    }
+    return initial;
+  });
+
+  function handleAnswerChange(questionId: string, value: string) {
+    setAnswers((prev) => ({ ...prev, [questionId]: value }));
+  }
+
+  const allAnswered = questions.every(
+    (q) => answers[q.id] !== undefined && answers[q.id].trim() !== ""
+  );
+
+  function handleSubmit() {
+    if (allAnswered) {
+      onSubmit(answers);
+    }
+  }
+
+  return (
+    <div className="space-y-6">
+      {questions.map((q, index) => (
+        <div key={q.id} className="space-y-2">
+          <p className="text-sm font-medium">
+            Q{index + 1}: {q.question}
+          </p>
+
+          {q.options && q.options.length > 0 ? (
+            <OptionGroup
+              questionId={q.id}
+              options={q.options}
+              multiSelect={q.multiSelect ?? false}
+              value={answers[q.id] ?? ""}
+              onChange={(value) => handleAnswerChange(q.id, value)}
+            />
+          ) : (
+            <FreeTextInput
+              questionId={q.id}
+              value={answers[q.id] ?? ""}
+              onChange={(value) => handleAnswerChange(q.id, value)}
+            />
+          )}
+        </div>
+      ))}
+
+      <div className="flex justify-end gap-2 pt-2">
+        <Button
+          variant="outline"
+          onClick={onCancel}
+          disabled={isSubmitting}
+        >
+          Cancel
+        </Button>
+        <Button
+          onClick={handleSubmit}
+          disabled={!allAnswered || isSubmitting}
+        >
+          {isSubmitting ? "Sending..." : "Send Answers"}
+        </Button>
+      </div>
+    </div>
+  );
+}