feat(tactical): sovereign military suite with 100% real satellite DEM intervisibility, viewshed 360, offline engines, and entitlements

packages/tactical_app/lib/widgets/place_search_sheet.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import '../models/landmark.dart';
 import '../services/landmark_database.dart';
 import '../services/local_sqlite_db.dart';
+import '../services/tactical_api_service.dart';
 
 class PlaceSearchSheet extends StatefulWidget {
   final Function(TacticalLandmark, bool startNavigation) onDestinationSelected;
@@ -24,21 +25,39 @@ class _PlaceSearchSheetState extends State<PlaceSearchSheet> {
   }
 
   void _onSearch(String query) async {
-    if (query.trim().isEmpty) {
+    final cleanQuery = query.trim();
+    if (cleanQuery.isEmpty) {
       setState(() => _results = LandmarkDatabase.allLandmarks.take(15).toList());
       return;
     }
 
     setState(() => _isSearching = true);
 
-    // 1. Search SQLite Database
-    final dbResults = await LocalSqliteDb.searchPlaces(query, limit: 30);
+    // 1. Search SQLite Database (Instant offline search)
+    List<TacticalLandmark> dbResults = [];
+    try {
+      dbResults = await LocalSqliteDb.searchPlaces(cleanQuery, limit: 30);
+    } catch (_) {}
 
-    // 2. Search Landmark database as fallback
-    final staticResults = LandmarkDatabase.search(query);
+    // 2. Search Static Landmark database
+    final staticResults = LandmarkDatabase.search(cleanQuery);
 
-    final combined = <TacticalLandmark>[...dbResults, ...staticResults];
-    final unique = combined.toSet().toList();
+    // 3. Search Online Geocoding API if offline results are few
+    List<TacticalLandmark> onlineResults = [];
+    if (dbResults.length < 5) {
+      try {
+        onlineResults = await TacticalApiService.searchOnlinePlaces(cleanQuery);
+      } catch (_) {}
+    }
+
+    final combined = <TacticalLandmark>[...dbResults, ...onlineResults, ...staticResults];
+    final seen = <String>{};
+    final unique = <TacticalLandmark>[];
+    for (final r in combined) {
+      if (seen.add('${r.name}_${r.lat}_${r.lng}')) {
+        unique.add(r);
+      }
+    }
 
     if (mounted) {
       setState(() {
@@ -145,6 +164,10 @@ class _PlaceSearchSheetState extends State<PlaceSearchSheet> {
                           '${item.region} • ${item.typeLabelArabic}',
                           style: const TextStyle(color: Color(0xFF94A3B8), fontSize: 10.5),
                         ),
+                        onTap: () {
+                          Navigator.pop(context);
+                          widget.onDestinationSelected(item, false); // Preview route with fit bounds
+                        },
                         trailing: ElevatedButton.icon(
                           onPressed: () {
                             Navigator.pop(context);