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⚡ Bolt: [성능 개선] 중복 preload 제거 및 modulepreload 최적화 #642

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⚡ Bolt: [성능 개선] 중복 preload 제거 및 modulepreload 최적화 #642

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3 changes: 3 additions & 0 deletions .jules/bolt.md
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## 2026-07-12 - Optimize renderTaskRow DOM allocations
**Learning:** Caching unattached template nodes and instantiating them via `.cloneNode(false)` reduces DOM instantiation overhead in O(N) render loops significantly.
**Action:** Apply this optimization to other hot-path rendering elements such as rows, cells, and stack containers.
## 2026-08-31 - Optimize preload and modulepreload hints
**Learning:** Placing a `<link rel="preload">` for a stylesheet immediately before its actual `<link rel="stylesheet">` tag is redundant and provides no benefit, as modern browser preload scanners will detect both simultaneously. Valid resource hinting optimizations include using `<link rel="modulepreload">` for scripts located at the bottom of the `<body>`.
**Action:** Remove redundant `<link rel="preload">`, and ensure all JS modules loaded have `<link rel="modulepreload">`, like `cloud-sync.js` and `analytics.js`.
4 changes: 3 additions & 1 deletion index.html
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; object-src 'none'; base-uri 'none'; form-action 'self';" />
<title>ScopeWeave Planner</title>
<link rel="preload" href="styles.css" as="style" />

<link rel="modulepreload" href="cloud-sync.js" />
<link rel="modulepreload" href="analytics.js" />
<link rel="modulepreload" href="app.js" />
<link rel="stylesheet" href="styles.css" />
<link rel="stylesheet" href="toast-state.css" />
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12 changes: 12 additions & 0 deletions tests/e2e/mobile_resolution.spec.js
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import { test, expect } from '@playwright/test';

test.use({
viewport: { width: 375, height: 667 },
isMobile: true,
hasTouch: true,
});

test('Mobile Resolution Testing', async ({ page }) => {
await page.goto('./');
await expect(page.locator('tbody tr[data-task-id]')).toHaveCount(4);
});
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