feat(parcel-sync): import eTerra immovables without geometry

- Add geometrySource field to GisFeature (NO_GEOMETRY marker)
- New no-geom-sync service: scan + import parcels missing from GIS layer
- Uses negative immovablePk as objectId to avoid @@unique collision
- New /api/eterra/no-geom-scan endpoint for counting
- Export-bundle: includeNoGeometry flag, imports before enrich
- CSV export: new HAS_GEOMETRY column (0/1)
- GPKG: still geometry-only (unchanged)
- UI: checkbox + scan button on Export tab
- Baza de Date tab: shows no-geometry counts per UAT
- db-summary API: includes noGeomCount per layer

src/app/api/eterra/no-geom-scan/route.ts

@@ -0,0 +1,55 @@
+/**
+ * POST /api/eterra/no-geom-scan
+ *
+ * Scans eTerra immovable list for a UAT and counts how many parcels
+ * exist in the eTerra database but have no geometry in the GIS layer
+ * (i.e., they are NOT in the local TERENURI_ACTIVE DB).
+ *
+ * Body: { siruta: string }
+ * Returns: { totalImmovables, totalInDb, noGeomCount, samples }
+ *
+ * Requires active eTerra session.
+ */
+
+import { NextResponse } from "next/server";
+import { EterraClient } from "@/modules/parcel-sync/services/eterra-client";
+import { getSessionCredentials } from "@/modules/parcel-sync/services/session-store";
+import { scanNoGeometryParcels } from "@/modules/parcel-sync/services/no-geom-sync";
+
+export const runtime = "nodejs";
+export const dynamic = "force-dynamic";
+
+export async function POST(req: Request) {
+  try {
+    const body = (await req.json()) as { siruta?: string };
+    const siruta = String(body.siruta ?? "").trim();
+    if (!/^\d+$/.test(siruta)) {
+      return NextResponse.json(
+        { error: "SIRUTA must be numeric" },
+        { status: 400 },
+      );
+    }
+
+    const session = getSessionCredentials();
+    const username = String(
+      session?.username || process.env.ETERRA_USERNAME || "",
+    ).trim();
+    const password = String(
+      session?.password || process.env.ETERRA_PASSWORD || "",
+    ).trim();
+    if (!username || !password) {
+      return NextResponse.json(
+        { error: "Nu ești conectat la eTerra" },
+        { status: 401 },
+      );
+    }
+
+    const client = await EterraClient.create(username, password);
+    const result = await scanNoGeometryParcels(client, siruta);
+
+    return NextResponse.json(result);
+  } catch (error) {
+    const message = error instanceof Error ? error.message : "Eroare server";
+    return NextResponse.json({ error: message }, { status: 500 });
+  }
+}