Remember preview scroll position - #34
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Summary
Docxer discarded the preview scroll position because it rebuilt the preview DOM whenever a file loaded without participating in Obsidian's ephemeral view-state lifecycle or storing a durable per-file position.
This change captures the preview container's scroll offset in ephemeral state for Back/Forward navigation and in plugin data for reopening a tab or restarting Obsidian. Restored values are validated, restoration remains queued until the asynchronously rendered preview is attached, and durable positions are debounced while scrolling and flushed when the view unloads.
User impact
Returning to a DOCX preview now restores the previous reading location across navigation, tab closure, and Obsidian restarts.
Validation
npm cinpm run buildnpx tsc --noEmitgit diff upstream/main...HEAD --checkInteractive Obsidian validation confirmed restoration through Back navigation, tab close/reopen, and a full Obsidian restart. The runtime checks restored the exact captured offsets in all three cases.