feat(wds): replace 3-field form with UAT autocomplete search

Same search pattern as parcel-sync module: type name or SIRUTA code,
pick from dropdown, city is added instantly. Already-queued cities
are filtered out from results.

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

src/app/(modules)/wds/page.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useState, useEffect, useCallback } from "react";
+import { useState, useEffect, useCallback, useDeferredValue, useRef } from "react";
 import {
   Loader2,
   RefreshCw,
@@ -12,6 +12,7 @@ import {
   XCircle,
   Clock,
   MapPin,
+  Search,
 } from "lucide-react";
 import { Button } from "@/shared/components/ui/button";
 import { Input } from "@/shared/components/ui/input";
@@ -72,10 +73,13 @@ export default function WeekendDeepSyncPage() {
   const [loading, setLoading] = useState(true);
   const [actionLoading, setActionLoading] = useState(false);
 
-  // Add city form
-  const [newSiruta, setNewSiruta] = useState("");
-  const [newName, setNewName] = useState("");
-  const [newCounty, setNewCounty] = useState("");
+  // UAT autocomplete for adding cities
+  type UatEntry = { siruta: string; name: string; county?: string };
+  const [uatData, setUatData] = useState<UatEntry[]>([]);
+  const [uatQuery, setUatQuery] = useState("");
+  const [uatResults, setUatResults] = useState<UatEntry[]>([]);
+  const [showUatResults, setShowUatResults] = useState(false);
+  const uatRef = useRef<HTMLDivElement>(null);
 
   const fetchState = useCallback(async () => {
     try {
@@ -90,8 +94,46 @@ export default function WeekendDeepSyncPage() {
 
   useEffect(() => {
     void fetchState();
+    // Load UAT list for autocomplete
+    fetch("/api/eterra/uats")
+      .then((r) => r.json())
+      .then((data: { uats?: UatEntry[] }) => {
+        if (data.uats) setUatData(data.uats);
+      })
+      .catch(() => {
+        fetch("/uat.json")
+          .then((r) => r.json())
+          .then((fallback: UatEntry[]) => setUatData(fallback))
+          .catch(() => {});
+      });
   }, [fetchState]);
 
+  // UAT autocomplete filter
+  const normalizeText = (text: string) =>
+    text.normalize("NFD").replace(/[\u0300-\u036f]/g, "").toLowerCase().trim();
+
+  const deferredUatQuery = useDeferredValue(uatQuery);
+  useEffect(() => {
+    const raw = deferredUatQuery.trim();
+    if (raw.length < 2) { setUatResults([]); return; }
+    const isDigit = /^\d+$/.test(raw);
+    const query = normalizeText(raw);
+    const nameMatches: UatEntry[] = [];
+    const countyOnly: UatEntry[] = [];
+    for (const item of uatData) {
+      // Skip cities already in queue
+      if (state?.cities.some((c) => c.siruta === item.siruta)) continue;
+      if (isDigit) {
+        if (item.siruta.startsWith(raw)) nameMatches.push(item);
+      } else {
+        if (normalizeText(item.name).includes(query)) nameMatches.push(item);
+        else if (item.county && normalizeText(item.county).includes(query))
+          countyOnly.push(item);
+      }
+    }
+    setUatResults([...nameMatches, ...countyOnly].slice(0, 10));
+  }, [deferredUatQuery, uatData, state?.cities]);
+
   const doAction = async (body: Record<string, unknown>) => {
     setActionLoading(true);
     try {
@@ -107,18 +149,17 @@ export default function WeekendDeepSyncPage() {
     setActionLoading(false);
   };
 
-  const handleAdd = async () => {
-    if (!newSiruta.trim() || !newName.trim()) return;
+  const handleAddUat = async (uat: UatEntry) => {
     await doAction({
       action: "add",
-      siruta: newSiruta.trim(),
-      name: newName.trim(),
-      county: newCounty.trim(),
+      siruta: uat.siruta,
+      name: uat.name,
+      county: uat.county ?? "",
       priority: 3,
     });
-    setNewSiruta("");
-    setNewName("");
-    setNewCounty("");
+    setUatQuery("");
+    setUatResults([]);
+    setShowUatResults(false);
   };
 
   if (loading) {
@@ -353,53 +394,58 @@ export default function WeekendDeepSyncPage() {
           })}
       </div>
 
-      {/* Add city form */}
+      {/* Add city — UAT autocomplete */}
       <Card>
         <CardContent className="py-4">
           <h3 className="text-sm font-semibold mb-3 flex items-center gap-2">
             <Plus className="h-4 w-4" />
             Adauga oras in coada
           </h3>
-          <div className="flex gap-2 items-end flex-wrap">
-            <div className="space-y-1">
-              <label className="text-xs text-muted-foreground">SIRUTA</label>
+          <div className="relative" ref={uatRef}>
+            <div className="relative">
+              <Search className="absolute left-2.5 top-2 h-4 w-4 text-muted-foreground pointer-events-none" />
               <Input
-                placeholder="ex: 54975"
-                value={newSiruta}
-                onChange={(e) => setNewSiruta(e.target.value)}
-                className="w-28 h-8 text-sm"
+                placeholder="Cauta UAT — scrie nume sau cod SIRUTA..."
+                value={uatQuery}
+                onChange={(e) => {
+                  setUatQuery(e.target.value);
+                  setShowUatResults(true);
+                }}
+                onFocus={() => setShowUatResults(true)}
+                onBlur={() => setTimeout(() => setShowUatResults(false), 150)}
+                className="pl-9 h-9"
+                autoComplete="off"
               />
             </div>
-            <div className="space-y-1 flex-1 min-w-[150px]">
-              <label className="text-xs text-muted-foreground">
-                Nume oras
-              </label>
-              <Input
-                placeholder="ex: Cluj-Napoca"
-                value={newName}
-                onChange={(e) => setNewName(e.target.value)}
-                className="h-8 text-sm"
-              />
-            </div>
-            <div className="space-y-1">
-              <label className="text-xs text-muted-foreground">Judet</label>
-              <Input
-                placeholder="ex: Cluj"
-                value={newCounty}
-                onChange={(e) => setNewCounty(e.target.value)}
-                className="w-32 h-8 text-sm"
-              />
-            </div>
-            <Button
-              size="sm"
-              disabled={
-                actionLoading || !newSiruta.trim() || !newName.trim()
-              }
-              onClick={() => void handleAdd()}
-            >
-              <Plus className="h-3.5 w-3.5 mr-1" />
-              Adauga
-            </Button>
+            {showUatResults && uatResults.length > 0 && (
+              <div className="absolute z-50 mt-1 w-full rounded-md border bg-popover shadow-lg max-h-60 overflow-auto">
+                {uatResults.map((item) => (
+                  <button
+                    key={item.siruta}
+                    type="button"
+                    className="flex w-full items-center justify-between px-3 py-2 text-sm hover:bg-accent transition-colors text-left"
+                    onMouseDown={(e) => {
+                      e.preventDefault();
+                      void handleAddUat(item);
+                    }}
+                  >
+                    <span className="flex items-center gap-1.5">
+                      <MapPin className="h-3.5 w-3.5 text-muted-foreground" />
+                      <span className="font-medium">{item.name}</span>
+                      <span className="text-muted-foreground">
+                        ({item.siruta})
+                      </span>
+                      {item.county && (
+                        <span className="text-muted-foreground">
+                          — jud. {item.county}
+                        </span>
+                      )}
+                    </span>
+                    <Plus className="h-3.5 w-3.5 text-muted-foreground" />
+                  </button>
+                ))}
+              </div>
+            )}
           </div>
         </CardContent>
       </Card>