Refactor Index page

Refactor `src/pages/Index.tsx` into smaller components.

src/utils/jobFiltering.ts

@@ -0,0 +1,30 @@
+
+import { IndJob } from '@/lib/types';
+import { getStatusPriority } from '@/utils/jobStatusUtils';
+
+export const filterJobs = (jobs: IndJob[], searchQuery: string) => {
+  if (!searchQuery) return jobs;
+  const query = searchQuery.toLowerCase();
+  return jobs.filter(job =>
+    job.outputItem.toLowerCase().includes(query)
+  );
+};
+
+export const sortJobs = (jobs: IndJob[]) => {
+  return [...jobs].sort((a, b) => {
+    const priorityA = getStatusPriority(a.status);
+    const priorityB = getStatusPriority(b.status);
+    if (priorityA === priorityB) {
+      return new Date(b.created || '').getTime() - new Date(a.created || '').getTime();
+    }
+    return priorityA - priorityB;
+  });
+};
+
+export const categorizeJobs = (jobs: IndJob[], searchQuery: string) => {
+  const sortedJobs = sortJobs(jobs);
+  const regularJobs = filterJobs(sortedJobs.filter(job => job.status !== 'Tracked'), searchQuery);
+  const trackedJobs = filterJobs(sortedJobs.filter(job => job.status === 'Tracked'), searchQuery);
+
+  return { regularJobs, trackedJobs };
+};