ui: compact registry numbers with company badge + direction icon

Replace full "BTG-0042/2026" with compact [B] ↓ 0042/2026 format:
- Colored company badge (B=blue, US=violet, SDT=green, G=gray)
- Direction arrow icon (↓ green=intrat, ↑ orange=iesit, ↔ gray=intern)
- Plain number without prefix

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/modules/registratura/components/registry-table.tsx

@@ -14,6 +14,9 @@ import {
   CheckCircle2,
   Copy,
   Check,
+  ArrowDownLeft,
+  ArrowUpRight,
+  ArrowLeftRight,
 } from "lucide-react";
 import { Button } from "@/shared/components/ui/button";
 import { Badge } from "@/shared/components/ui/badge";
@@ -313,11 +316,8 @@ export function RegistryTable({
                   onClick={() => onView(entry)}
                 >
                   {visibleCols.has("number") && (
-                    <td className="px-3 py-2 font-mono text-xs whitespace-nowrap">
-                      <span className="inline-flex items-center gap-1">
-                        {entry.number}
-                        <CopyNumberButton entry={entry} />
-                      </span>
+                    <td className="px-3 py-2 text-xs whitespace-nowrap">
+                      <CompactNumber entry={entry} />
                     </td>
                   )}
                   {visibleCols.has("date") && (
@@ -552,6 +552,51 @@ function CopyNumberButton({ entry }: { entry: RegistryEntry }) {
   );
 }
 
+// ── Company badge colors ──
+const COMPANY_BADGE: Record<string, { label: string; className: string }> = {
+  beletage:        { label: "B",   className: "bg-blue-600 text-white" },
+  "urban-switch":  { label: "US",  className: "bg-violet-600 text-white" },
+  "studii-de-teren": { label: "SDT", className: "bg-emerald-600 text-white" },
+  group:           { label: "G",   className: "bg-zinc-500 text-white" },
+};
+
+function CompactNumber({ entry }: { entry: RegistryEntry }) {
+  // Extract plain number with leading zeros: "BTG-0042/2026" → "0042/2026"
+  const plain = (entry.number ?? "").replace(/^[A-Z]+-/, "");
+  const badge = COMPANY_BADGE[entry.company ?? ""] ?? { label: "B", className: "bg-blue-600 text-white" };
+
+  // Direction icon
+  const DirIcon =
+    entry.direction === "intrat"
+      ? ArrowDownLeft
+      : entry.direction === "iesit"
+        ? ArrowUpRight
+        : ArrowLeftRight;
+  const dirColor =
+    entry.direction === "intrat"
+      ? "text-green-600"
+      : entry.direction === "iesit"
+        ? "text-orange-500"
+        : "text-muted-foreground";
+
+  return (
+    <span className="inline-flex items-center gap-1">
+      <span
+        className={cn(
+          "inline-flex items-center justify-center rounded text-[9px] font-bold leading-none px-1 py-0.5 shrink-0",
+          badge.className,
+        )}
+        title={entry.company ?? ""}
+      >
+        {badge.label}
+      </span>
+      <DirIcon className={cn("h-3 w-3 shrink-0", dirColor)} />
+      <span className="font-mono">{plain}</span>
+      <CopyNumberButton entry={entry} />
+    </span>
+  );
+}
+
 function formatDate(iso: string): string {
   try {
     return new Date(iso).toLocaleDateString("ro-RO", {