Refactor duplicated date formatting and breadcrumb navigation code

[Copilot]

Identified and eliminated ~256 lines of duplicated code related to date formatting and breadcrumb navigation across multiple page components.

Changes

useLocalizedDateFormatter Hook

Created a reusable hook consolidating date formatting logic previously duplicated across 5 files:

• Locale-aware formatting with automatic fallback to en-US
• Configurable null/undefined handling via nullFallback option
• Date validation to catch invalid date strings early
• Separated date parsing from formatting error handling to avoid redundant operations

Before:

const normalizedLocale = useMemo(() => getNormalizedLocale(i18n.language), [i18n.language]);
const fallbackDateFormatter = useMemo(() => new Intl.DateTimeFormat('en-US', { dateStyle: 'medium' }), []);
const dateFormatter = useMemo(() => {
  try {
    return new Intl.DateTimeFormat(normalizedLocale, { dateStyle: 'medium' });
  } catch (error) {
    console.error('Unsupported locale for blog date formatting', error);
    return new Intl.DateTimeFormat('en-US', { dateStyle: 'medium' });
  }
}, [normalizedLocale]);

After:

const { formatDate } = useLocalizedDateFormatter({
  dateOptions: { dateStyle: 'medium' }
});

Applied to: Projects.tsx, Blog.tsx, Dashboard.tsx, blog/[slug].tsx, CommentsSection.tsx

PageBreadcrumb Component

Extracted breadcrumb navigation structure duplicated across 4 pages:

• Standardized home → page navigation pattern
• Supports optional intermediate breadcrumb items
• Consistent styling and i18n integration

Applied to: Blog.tsx, Contact.tsx, Projects.tsx, Solutions.tsx

Original prompt

Find and refactor duplicated code

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Restore useCallback import in Blog page

The top-level React import drops useCallback, but handlePageChange still calls useCallback later in this file. This will cause a compile/runtime failure (useCallback is not defined) when building the blog page. Re‑add useCallback to the import list so the pagination handler continues to work.

Useful? React with 👍 / 👎.