feat(report): page shell with two-column layout and PDF download action

src/components/Report/index.tsx

@@ -0,0 +1,92 @@
+import React, { useState, useCallback } from 'react';
+import { pdf } from '@react-pdf/renderer';
+import type { MuseumRecord } from '../../types';
+import { DEFAULT_CONFIG, computeReportData } from './reportHelpers';
+import type { ReportConfig } from './reportHelpers';
+import { ReportDocument } from './ReportDocument';
+import ReportForm from './ReportForm';
+import ReportPreview from './ReportPreview';
+import { getUniqueMuseums, getUniqueChannels } from '../../services/dataService';
+
+interface Props {
+  data: MuseumRecord[];
+}
+
+export default function ReportPage({ data }: Props) {
+  const [config, setConfig] = useState<ReportConfig>(DEFAULT_CONFIG);
+  const [generating, setGenerating] = useState(false);
+
+  const allMuseums = getUniqueMuseums(data);
+  const allChannels = getUniqueChannels(data);
+
+  const patch = useCallback((p: Partial<ReportConfig>) => setConfig(c => ({ ...c, ...p })), []);
+
+  const handleGenerate = async () => {
+    setGenerating(true);
+    try {
+      const reportData = computeReportData(data, config);
+      const blob = await pdf(<ReportDocument data={reportData} />).toBlob();
+      const url = URL.createObjectURL(blob);
+      const a = document.createElement('a');
+      const slug = (config.clientName || 'report').toLowerCase().replace(/\s+/g, '-');
+      a.href = url;
+      a.download = `hihala-${slug}-${config.startDate.slice(0, 7)}.pdf`;
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+      URL.revokeObjectURL(url);
+    } catch (err) {
+      console.error('PDF generation failed:', err);
+      alert('Failed to generate PDF. Please try again.');
+    } finally {
+      setGenerating(false);
+    }
+  };
+
+  return (
+    <div className="report-page">
+      <div className="report-header">
+        <h1 className="report-title">Report Builder</h1>
+        <p className="report-sub">Configure and download a client-ready PDF report.</p>
+      </div>
+
+      <div className="report-body">
+        <div className="report-form-col">
+          <ReportForm config={config} onChange={patch} allMuseums={allMuseums} allChannels={allChannels} />
+        </div>
+        <div className="report-preview-col">
+          <div className="report-preview-sticky">
+            <ReportPreview config={config} />
+          </div>
+        </div>
+      </div>
+
+      <div className="report-footer-bar">
+        <button
+          type="button"
+          className="report-generate-btn"
+          onClick={handleGenerate}
+          disabled={generating}
+        >
+          {generating ? (
+            <>
+              <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" className="report-spin" aria-hidden="true">
+                <path d="M21 12a9 9 0 1 1-6.219-8.56"/>
+              </svg>
+              Generating…
+            </>
+          ) : (
+            <>
+              <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
+                <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/>
+                <polyline points="7 10 12 15 17 10"/>
+                <line x1="12" y1="15" x2="12" y2="3"/>
+              </svg>
+              Download PDF
+            </>
+          )}
+        </button>
+      </div>
+    </div>
+  );
+}