Add notify-on-answer email and save-as-image for Q&A; v1.0.10

- Contact form: notifyOnAnswer checkbox (shown for Bible Questions only)
- Contact route: stores notifyOnAnswer flag on question record
- Email: buildQuestionAnsweredEmailTemplate for branded notification
- Questions route: sends notification email on approve when notifyOnAnswer + email + answer are set
- Q&A section: Canvas API "Save as image" button generates 1080x1080 PNG quote card

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/QASection.tsx

@@ -595,6 +595,117 @@ export default function QASection() {
     setPage(0)
   }
 
+  const saveAsImage = (question: DecoratedQuestion) => {
+    const SIZE = 1080
+    const PADDING = 72
+    const canvas = document.createElement('canvas')
+    canvas.width = SIZE
+    canvas.height = SIZE
+    const ctx = canvas.getContext('2d')!
+
+    // Background
+    ctx.fillStyle = '#1a1208'
+    ctx.fillRect(0, 0, SIZE, SIZE)
+
+    // Gold top border
+    ctx.fillStyle = '#c9a84c'
+    ctx.fillRect(0, 0, SIZE, 6)
+
+    // Helper: word-wrap text
+    function wrapText(text: string, maxWidth: number, font: string): string[] {
+      ctx.font = font
+      const words = text.split(' ')
+      const lines: string[] = []
+      let line = ''
+      for (const word of words) {
+        const test = line ? `${line} ${word}` : word
+        if (ctx.measureText(test).width > maxWidth && line) {
+          lines.push(line)
+          line = word
+        } else {
+          line = test
+        }
+      }
+      if (line) lines.push(line)
+      return lines
+    }
+
+    let y = PADDING + 40
+
+    // Ornament header
+    ctx.fillStyle = '#c9a84c'
+    ctx.font = 'bold 26px Georgia, serif'
+    ctx.textAlign = 'center'
+    ctx.fillText('✦  Verse by Verse with Nate  ✦', SIZE / 2, y)
+    y += 50
+
+    // Divider
+    ctx.fillStyle = '#c9a84c'
+    ctx.fillRect(PADDING, y, SIZE - PADDING * 2, 1)
+    y += 36
+
+    // Question label
+    ctx.fillStyle = '#c9a84c'
+    ctx.font = 'bold 22px Georgia, serif'
+    ctx.textAlign = 'left'
+    ctx.fillText('Q', PADDING, y)
+    y += 8
+
+    // Question text
+    const qFont = 'italic 32px Georgia, serif'
+    const qLines = wrapText(`"${question.question}"`, SIZE - PADDING * 2 - 20, qFont)
+    ctx.fillStyle = '#f5ead2'
+    ctx.font = qFont
+    ctx.textAlign = 'left'
+    const qLineH = 44
+    for (const line of qLines.slice(0, 5)) {
+      y += qLineH
+      ctx.fillText(line, PADDING + 20, y)
+    }
+    y += 40
+
+    // Divider
+    ctx.fillStyle = '#3a2d14'
+    ctx.fillRect(PADDING, y, SIZE - PADDING * 2, 1)
+    y += 36
+
+    // Answer label
+    ctx.fillStyle = '#c9a84c'
+    ctx.font = 'bold 22px Georgia, serif'
+    ctx.textAlign = 'left'
+    ctx.fillText('A', PADDING, y)
+    y += 8
+
+    // Answer text (truncated to fit)
+    const aFont = '28px Georgia, serif'
+    const maxAHeight = SIZE - y - PADDING - 60
+    const aLineH = 40
+    const maxALines = Math.floor(maxAHeight / aLineH)
+    const rawAnswer = question.answer.replace(/\*\*/g, '').replace(/\*/g, '').replace(/<[^>]+>/g, '')
+    const aLines = wrapText(rawAnswer, SIZE - PADDING * 2 - 20, aFont).slice(0, maxALines)
+    if (aLines.length > 0 && rawAnswer.split(' ').length > aLines.join(' ').split(' ').length) {
+      aLines[aLines.length - 1] = aLines[aLines.length - 1].replace(/\s*\w+$/, '…')
+    }
+    ctx.fillStyle = '#e8d9b5'
+    ctx.font = aFont
+    for (const line of aLines) {
+      y += aLineH
+      ctx.fillText(line, PADDING + 20, y)
+    }
+
+    // URL footer
+    ctx.fillStyle = '#8a7040'
+    ctx.font = '20px Georgia, serif'
+    ctx.textAlign = 'center'
+    ctx.fillText(window.location.host + '/questions', SIZE / 2, SIZE - PADDING + 8)
+
+    // Download
+    const link = document.createElement('a')
+    link.download = `vbvn-qa-${question.id.slice(0, 8)}.png`
+    link.href = canvas.toDataURL('image/png')
+    link.click()
+  }
+
   const getShareUrl = (id: string) =>
     `${window.location.origin}/questions#qa-${encodeURIComponent(id)}`
 
@@ -929,6 +1040,9 @@ export default function QASection() {
                             <button type="button" className="qa-share-btn" onClick={() => shareQuestion(question.id)}>
                               {linkCopied ? '✓ Copied' : 'Copy link'}
                             </button>
+                            <button type="button" className="qa-share-btn" onClick={() => saveAsImage(question)}>
+                              Save as image
+                            </button>
                           </div>
                           {(facebookCaptionCopied || linkCopied) && (
                             <p className="qa-share-feedback" role="status" aria-live="polite">