Applicants: auto-tags + deep search w/ highlight; never delete (archive instead)

- Tags: parser extracts cert/skill keywords (mmt, ICU/CCU, دیالیز, اتاق عمل,
  اورژانس, مسئول فنی, پروانه‌دار…) + role + city into TalentListing.Tags
  (+ migration); shown as chips on cards.
- Deep search on /Talent: «جستجوی عمیق» box does Postgres ILIKE across
  tags, description, person, area, role, city (every term must match);
  matches are highlighted with <mark> via SearchHighlight.
- Never delete: ShiftStatus.Archived + the admin «بایگانی گروهی» action now
  ARCHIVES aggregated posts (hidden from site, kept in DB) and leaves the
  raw crawl rows intact — a permanent archive for future analytics.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/JobsMedical.Web/wwwroot/css/site.css

@@ -268,6 +268,10 @@ label { font-size: 13px; }
 .badge-distance { background: #fff1e8; color: #c5670f; }
 .badge-job { background: #eaf3ff; color: #2563eb; }
 .badge-talent { background: #fdece8; color: var(--accent, #e25c43); }
+.tag-chips { display: flex; flex-wrap: wrap; gap: 5px; margin: 8px 0 2px; }
+.tag-chip { font-size: 11.5px; font-weight: 600; padding: 3px 9px; border-radius: 999px;
+  background: var(--primary-soft); color: var(--primary-dark); }
+mark { background: #fff3bf; color: inherit; padding: 0 2px; border-radius: 3px; }
 .badge-gender { background: #f3eefb; color: #6b3fa0; }
 
 /* ---------- Filters layout ---------- */