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⚡ Bolt: Optimize PDF search with pre-computed index#5

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bolt-search-optimization-2778013845574408310
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⚡ Bolt: Optimize PDF search with pre-computed index#5
MrAlokTech wants to merge 1 commit intomainfrom
bolt-search-optimization-2778013845574408310

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@MrAlokTech
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💡 What: Added a prepareSearchIndex function to pre-compute a lowercase search string (_searchStr) for each PDF and updated renderPDFs to use this index and short-circuit filters.
🎯 Why: The previous implementation called toLowerCase() on 4 fields for every PDF on every keystroke, causing performance overhead as the database grows. It also eagerly evaluated all filter conditions.
📊 Impact: Reduces string operations during search by ~75% and avoids search checks entirely for non-visible classes/semesters.
🔬 Measurement: Verified with a custom test script (test_search_logic.js) and Playwright frontend verification (verify_frontend.py).


PR created automatically by Jules for task 2778013845574408310 started by @MrAlokTech

💡 What: Added `prepareSearchIndex` to pre-compute search strings and optimized `renderPDFs` to use this index and short-circuit logic.
🎯 Why: Reduces redundant `toLowerCase()` calls and skips expensive checks for filtered-out items.
📊 Impact: Faster search response and reduced CPU usage during typing.

Co-authored-by: MrAlokTech <107493955+MrAlokTech@users.noreply.github.com>
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Deploying classnotes with  Cloudflare Pages  Cloudflare Pages

Latest commit: fc2b8ac
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