Remove dead shareToX/shareToFacebook functions and related state; v1.0.14

Fixes CI lint errors — both functions were replaced by shareImageTo
in the previous commit but not deleted.

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

src/components/QASection.tsx

@@ -391,7 +391,6 @@ export default function QASection() {
   const [engagement, setEngagement] = useState<EngagementMap>({})
   const [expandedCompactAnswers, setExpandedCompactAnswers] = useState<Record<string, boolean>>({})
   const [copiedQuestionId, setCopiedQuestionId] = useState<string | null>(null)
-  const [copiedFacebookCaptionId, setCopiedFacebookCaptionId] = useState<string | null>(null)
   const [loading, setLoading] = useState(true)
   const [votedIds, setVotedIds] = useState<Set<string>>(() => {
     try {
@@ -746,45 +745,6 @@ export default function QASection() {
     }
   }
 
-  const shareToX = (question: DecoratedQuestion) => {
-    const url = getSocialUrl(question.id)
-    const text = question.question.length > 200
-      ? `${question.question.slice(0, 197)}…`
-      : question.question
-    window.open(
-      `https://x.com/intent/tweet?text=${encodeURIComponent(text)}&url=${encodeURIComponent(url)}`,
-      '_blank',
-      'noopener,noreferrer,width=600,height=420'
-    )
-    incrementEngagement(question.id, 'shares')
-  }
-
-  const shareToFacebook = async (question: DecoratedQuestion) => {
-    const url = getSocialUrl(question.id)
-    const answerSnippet = question.answer.replace(/\s+/g, ' ').trim()
-    const caption = [
-      `Question: ${question.question}`,
-      `Answer: ${answerSnippet.length > 240 ? `${answerSnippet.slice(0, 237)}...` : answerSnippet}`,
-      'What are your thoughts?'
-    ].join('\n\n')
-
-    try {
-      await navigator.clipboard.writeText(caption)
-      setCopiedFacebookCaptionId(question.id)
-      window.setTimeout(() => {
-        setCopiedFacebookCaptionId(curr => (curr === question.id ? null : curr))
-      }, 2500)
-    } catch {
-      window.prompt('Copy this caption and paste it into your post:', caption)
-    }
-
-    window.open(
-      `https://www.facebook.com/sharer/sharer.php?u=${encodeURIComponent(url)}`,
-      '_blank',
-      'noopener,noreferrer,width=600,height=500'
-    )
-    incrementEngagement(question.id, 'shares')
-  }
 
   const formatDate = (value?: string) => {
     if (!value) return null
@@ -999,7 +959,6 @@ export default function QASection() {
                       const relatedQuestions = getRelatedQuestions(question)
                       const isFocused = focusedQuestionId === question.id
                       const isExpandedInCompact = expandedCompactAnswers[question.id] === true
-                      const facebookCaptionCopied = copiedFacebookCaptionId === question.id
                       const linkCopied = copiedQuestionId === question.id
                       const answerText = compactMode && !isExpandedInCompact
                         ? truncateAnswer(question.answer)
@@ -1065,11 +1024,9 @@ export default function QASection() {
                               Save image
                             </button>
                           </div>
-                          {(facebookCaptionCopied || linkCopied) && (
+                          {linkCopied && (
                             <p className="qa-share-feedback" role="status" aria-live="polite">
-                              {facebookCaptionCopied
+                              Direct link copied to clipboard.
-                                ? 'Caption copied. Paste it into your Facebook post text box.'
-                                : 'Direct link copied to clipboard.'}
                             </p>
                           )}