Naiyuan Qing 98829fad29 fix(comments): replace optimistic updates with loading state ... - Remove temp-xxx optimistic inserts from submitComment/submitReply - Wait for API response, then insert real comment into timeline - Add Loader2 spinner to comment/reply submit buttons during loading - Remove hover card from Markdown.tsx (will be handled via NodeView later) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>		2026-03-31 16:03:13 +08:00
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web	fix(comments): replace optimistic updates with loading state	2026-03-31 16:03:13 +08:00