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/20260602224558_AddSharePercent.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace JobsMedical.Web.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddSharePercent : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "SharePercent",
+                table: "Shifts",
+                type: "integer",
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "SharePercent",
+                table: "Shifts");
+        }
+    }
+}