Implement multi-screen app UI flow and navigation

lib/features/local/local_models.dart

@@ -0,0 +1,65 @@
+class PersonProfile {
+  const PersonProfile({
+    required this.id,
+    required this.name,
+    required this.relationship,
+    required this.affinityScore,
+    required this.nextMoment,
+    required this.tags,
+    required this.notes,
+  });
+
+  final String id;
+  final String name;
+  final String relationship;
+  final int affinityScore;
+  final DateTime nextMoment;
+  final List<String> tags;
+  final String notes;
+}
+
+class RelationshipMoment {
+  const RelationshipMoment({
+    required this.id,
+    required this.personId,
+    required this.title,
+    required this.summary,
+    required this.at,
+    required this.type,
+  });
+
+  final String id;
+  final String personId;
+  final String title;
+  final String summary;
+  final DateTime at;
+  final String type;
+}
+
+class DashboardTask {
+  const DashboardTask({
+    required this.title,
+    required this.description,
+    required this.when,
+    this.done = false,
+  });
+
+  final String title;
+  final String description;
+  final DateTime when;
+  final bool done;
+}
+
+class DashboardSummary {
+  const DashboardSummary({
+    required this.activePeople,
+    required this.upcomingPlans,
+    required this.pendingIdeas,
+    required this.weeklyConsistency,
+  });
+
+  final int activePeople;
+  final int upcomingPlans;
+  final int pendingIdeas;
+  final int weeklyConsistency;
+}

lib/features/local/local_repository.dart

@@ -0,0 +1,105 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:relationship_saver/features/local/local_models.dart';
+
+class LocalRepository {
+  const LocalRepository();
+
+  List<PersonProfile> people() {
+    return <PersonProfile>[
+      PersonProfile(
+        id: 'p-ava',
+        name: 'Ava Hart',
+        relationship: 'Partner',
+        affinityScore: 92,
+        nextMoment: DateTime(2026, 2, 16, 19, 30),
+        tags: <String>['coffee', 'books', 'slow mornings'],
+        notes: 'Prefers thoughtful plans over expensive plans.',
+      ),
+      PersonProfile(
+        id: 'p-jordan',
+        name: 'Jordan Lee',
+        relationship: 'Close Friend',
+        affinityScore: 78,
+        nextMoment: DateTime(2026, 2, 18, 18, 0),
+        tags: <String>['running', 'street food'],
+        notes: 'Has a race on Sunday; ask how training is going.',
+      ),
+      PersonProfile(
+        id: 'p-mila',
+        name: 'Mila Stone',
+        relationship: 'Sister',
+        affinityScore: 84,
+        nextMoment: DateTime(2026, 2, 20, 12, 0),
+        tags: <String>['plants', 'retro music'],
+        notes: 'Birthday prep should start this week.',
+      ),
+    ];
+  }
+
+  List<RelationshipMoment> moments() {
+    return <RelationshipMoment>[
+      RelationshipMoment(
+        id: 'm-1',
+        personId: 'p-ava',
+        title: 'Sunday Walk Tradition',
+        summary: 'Short walk + no-phone hour worked really well.',
+        at: DateTime(2026, 2, 9, 9, 30),
+        type: 'ritual',
+      ),
+      RelationshipMoment(
+        id: 'm-2',
+        personId: 'p-jordan',
+        title: 'Post-workout Check-in',
+        summary: 'Shared training playlist and grabbed smoothies.',
+        at: DateTime(2026, 2, 11, 19, 0),
+        type: 'support',
+      ),
+      RelationshipMoment(
+        id: 'm-3',
+        personId: 'p-mila',
+        title: 'Gift Idea Captured',
+        summary: 'Found a vintage lamp from her saved style board.',
+        at: DateTime(2026, 2, 12, 14, 20),
+        type: 'gift',
+      ),
+    ];
+  }
+
+  List<DashboardTask> tasks() {
+    return <DashboardTask>[
+      DashboardTask(
+        title: 'Plan Friday dinner with Ava',
+        description: 'Keep it low-key: ramen + bookstore stop.',
+        when: DateTime(2026, 2, 16, 17, 0),
+      ),
+      DashboardTask(
+        title: 'Send race-day encouragement to Jordan',
+        description: 'Voice note before 8:00 AM.',
+        when: DateTime(2026, 2, 17, 7, 30),
+      ),
+      DashboardTask(
+        title: 'Finalize Mila birthday shortlist',
+        description: 'Pick 1 meaningful gift and 1 backup.',
+        when: DateTime(2026, 2, 18, 20, 0),
+      ),
+    ];
+  }
+
+  DashboardSummary summary() {
+    return DashboardSummary(
+      activePeople: people().length,
+      upcomingPlans: people()
+          .where(
+            (PersonProfile p) => p.nextMoment.isAfter(DateTime(2026, 2, 14)),
+          )
+          .length,
+      pendingIdeas: 6,
+      weeklyConsistency: 82,
+    );
+  }
+}
+
+final Provider<LocalRepository> localRepositoryProvider =
+    Provider<LocalRepository>((Ref ref) {
+      return const LocalRepository();
+    });