Add app source and tests

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

lib/Peach/see/home/ViewHome.dart

@@ -0,0 +1,87 @@
+import '../../about/internal/application/DeploymentRecord.dart';
+import '../../about/internal/application/ServerProfile.dart';
+import '../parent/ParentViewModel.dart';
+import 'ConnectHome.dart';
+
+class ViewHome extends ParentViewModel {
+  ConnectHome connection;
+
+  ViewHome(super.context, this.connection);
+
+  /// Re-reads servers and history. Called on open and whenever a child screen
+  /// pops back having changed something.
+  void loadDashboard() async {
+    try {
+      final servers = await getDataManager().getServers();
+      final history = await getDataManager().getDeployments();
+      connection.onDashboardLoaded(servers, history);
+    } catch (error) {
+      handleError(error, loadDashboard, () {}, "Retry");
+    }
+  }
+
+  /// Inserts or updates [server] in storage, then refreshes the dashboard.
+  void saveServer(ServerProfile server) async {
+    try {
+      final servers = await getDataManager().getServers();
+      final index = servers.indexWhere((s) => s.id == server.id);
+      if (index >= 0) {
+        servers[index] = server;
+      } else {
+        servers.add(server);
+      }
+      await getDataManager().setServers(servers);
+      connection.onServerSaved(server);
+      loadDashboard();
+    } catch (error) {
+      handleError(error, () => saveServer(server), () {}, "Retry");
+    }
+  }
+
+  /// Removes [server] and its stored password.
+  void deleteServer(ServerProfile server) async {
+    try {
+      final servers = await getDataManager().getServers();
+      servers.removeWhere((s) => s.id == server.id);
+      await getDataManager().setServers(servers);
+      await getDataManager().deleteServerSecret(server.id);
+      loadDashboard();
+    } catch (error) {
+      handleError(error, () => deleteServer(server), () {}, "Retry");
+    }
+  }
+
+  /// Appends a deployment outcome to the history.
+  void recordDeployment(DeploymentRecord record) async {
+    try {
+      await getDataManager().addDeployment(record);
+      loadDashboard();
+    } catch (error) {
+      handleError(error, () => recordDeployment(record), () {}, "Retry");
+    }
+  }
+
+  void clearHistory() async {
+    try {
+      await getDataManager().clearDeployments();
+      loadDashboard();
+    } catch (error) {
+      handleError(error, clearHistory, () {}, "Retry");
+    }
+  }
+
+  /// Advances the theme dark → light → system → dark and persists the choice.
+  void cycleTheme(String current) async {
+    try {
+      final next = switch (current) {
+        'dark' => 'light',
+        'light' => 'system',
+        _ => 'dark',
+      };
+      await getDataManager().setThemeMode(next);
+      connection.onThemeChanged(next);
+    } catch (error) {
+      handleError(error, () => cycleTheme(current), () {}, "Retry");
+    }
+  }
+}