Add hiring, AI parser+admin, OTP auth, employer dashboard, profit-share pay

- Hiring (استخدام) listings: JobOpening + /Jobs browse/detail + home section
- Heuristic Persian listing-parser + admin queue (/Admin) → publish shift/job
- Phone-OTP cookie auth + visitor-history linking + profile; Admin role gate
- Employer side: self-serve facility registration, dashboard, post/manage shifts & jobs, applicants list with contact
- Compensation models: fixed / hourly / profit-share (درصدی) / negotiable / choice (به انتخاب شما); SharePercent + JalaliDate.PayLabel; parser + filter

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

src/JobsMedical.Web/Migrations/AppDbContextModelSnapshot.cs

@@ -413,6 +413,9 @@ namespace JobsMedical.Web.Migrations
                     b.Property<int>("RoleId")
                         .HasColumnType("integer");
 
+                    b.Property<int?>("SharePercent")
+                        .HasColumnType("integer");
+
                     b.Property<int>("ShiftType")
                         .HasColumnType("integer");