fix(geoportal): use subquery instead of JOIN for gis_cladiri_status view

LEFT JOIN caused duplicate rows and column conflicts. Replaced with a
correlated subquery (LIMIT 1) to safely look up BUILD_LEGAL from the
parent parcel's enrichment.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/app/api/geoportal/setup-enrichment-views/route.ts

@@ -47,14 +47,18 @@ const VIEWS = [
         f."cadastralRef" AS cadastral_ref,
         f."areaValue" AS area_value,
         f."isActive" AS is_active,
-        COALESCE((p.enrichment->>'BUILD_LEGAL')::int, -1) AS build_legal,
-        f.geom
-      FROM "GisFeature" f
-      LEFT JOIN "GisFeature" p
-        ON p.siruta = f.siruta
+        COALESCE(
+          (SELECT (p.enrichment->>'BUILD_LEGAL')::int
+           FROM "GisFeature" p
+           WHERE p.siruta = f.siruta
              AND p."cadastralRef" = f."cadastralRef"
              AND (p."layerId" LIKE 'TERENURI%' OR p."layerId" LIKE 'CADGEN_LAND%')
              AND p.enrichment IS NOT NULL
+           LIMIT 1),
+          -1
+        ) AS build_legal,
+        f.geom
+      FROM "GisFeature" f
       WHERE f.geom IS NOT NULL
         AND (f."layerId" LIKE 'CLADIRI%' OR f."layerId" LIKE 'CADGEN_BUILDING%')`,
   },