replace: swap prosappweb content for prosapp_web_app (more complete version)

prosapp_web_app has chat, dashboard, calendar, support, 13 providers and
Fluro URL routing. Keep Dockerfile + nginx.conf from previous prosappweb.
Upgrade google_fonts 6.2.1 → 8.1.0 (Dart 3.12 compat fix).

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

lib/utils/constants.dart

@@ -0,0 +1 @@
+const String API_BASE_URL = String.fromEnvironment('API_BASE_URL', defaultValue: 'http://localhost:3000/api/v1');

lib/utils/local_notifications.dart

@@ -0,0 +1,27 @@
+import 'package:http/http.dart' as http;
+import 'dart:convert';
+import 'package:prosapp_web_app/utils/constants.dart' show API_BASE_URL;
+
+class LocalNotifications {
+  static Future<void> sendPushNotification(
+      String token, String title, String body) async {
+    try {
+      http.Response response = await http.post(
+        Uri.parse('$API_BASE_URL/notifications/send'),
+        headers: <String, String>{
+          'Content-Type': 'application/json; charset=UTF-8',
+        },
+        body: jsonEncode(
+          <String, dynamic>{
+            'title': title,
+            'body': body,
+            'to': token,
+          },
+        ),
+      );
+      response;
+    } catch (e) {
+      rethrow;
+    }
+  }
+}

lib/utils/network_utility.dart

@@ -0,0 +1,17 @@
+import 'package:flutter/cupertino.dart';
+import 'package:http/http.dart' as http;
+
+class NetworkUtility {
+  static Future<String?> fetchUrl(Uri uri,
+      {Map<String, String>? headers}) async {
+    try {
+      final response = await http.get(uri, headers: headers);
+      if (response.statusCode == 200) {
+        return response.body;
+      }
+    } catch (e) {
+      debugPrint('error - ${e.toString()}');
+    }
+    return null;
+  }
+}

lib/utils/time_of_day_extension.dart

@@ -0,0 +1,19 @@
+import 'package:flutter/material.dart';
+
+extension TimeOfDayExtension on TimeOfDay {
+  TimeOfDay add({int hour = 0, int minute = 0}) {
+    return replacing(hour: this.hour + hour, minute: this.minute + minute);
+  }
+
+  int compareTo(TimeOfDay other) {
+    if (hour < other.hour) return -1;
+    if (hour > other.hour) return 1;
+    if (minute < other.minute) return -1;
+    if (minute > other.minute) return 1;
+    return 0;
+  }
+
+  bool isBefore(TimeOfDay other) {
+    return compareTo(other) == -1;
+  }
+}

lib/utils/time_of_day_utils.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+import 'package:prosapp_web_app/utils/time_of_day_extension.dart';
+
+class TimeOfDayUtils {
+  static List<TimeOfDay> genRanges(TimeOfDay timeStart, TimeOfDay timeEnd) {
+    List<TimeOfDay> ranges = [];
+    TimeOfDay current = timeStart;
+    while (current.isBefore(timeEnd)) {
+      ranges.add(current);
+      // Sumar 2 horas al objeto DateTime
+      current = current.add(hour: 2);
+    }
+    return ranges;
+  }
+}