Initial commit: Grounded Flutter frontend

A to-do app that doesn't believe you — an enforcement layer rather than a
neutral ledger.

Architecture ported from Autoreceptives/Frontend/Receptive: stacked MVVM with
the mandatory 4-file screen pattern, one ParentViewModel owning the loading /
network / error overlays and the handleError decision tree, one AppDataManager
gateway, dio comms carrying the three identity headers, secure storage with
random-suffixed keys, and a single-chokepoint Navigator. Package root and Dart
package name are both Grounded; org is nya.

The enforcement engine, one unit per formula in utils/:

- DebtEngine      w(class) x severity(d) x decay(t), sublinear severity so old
                  misses cannot swamp the score; abandonment 2x with 30-day
                  decay immunity; late complete retains 30%
- StandingEngine  Good -> Warned -> Grounded -> Lockdown, derived not set;
                  Grounded replaces home with the overdue queue
- CapacityEngine  blocks over-scheduling against p50 of historically completed
                  minutes, with a learned per-category estimation multiplier
- IntegrityEngine session integrity, weekly volume, plyometric contact ceiling
                  and enforced recovery gaps
- ExcuseAnalyser  on-device excuse clustering plus the confrontation copy
- GuardrailEngine distress detection and rationed amnesty
- ToneEngine      all enforcement copy, so the tone cap lives in one place

CommitmentEvent is append-only and is the source of truth rather than the
status field, which is what makes honest history and excuse analysis possible.

Goals contain commitments via parentId, and a task can be run from a
full-screen runner that derives elapsed time from wall-clock so screen-off
cannot lose time. Backgrounding pauses the clock and is counted. The runner is
mirrored into an ongoing notification, with alarm-class full-screen intents
reserved for non-negotiables.

Design language, fonts, icon and native splash are in place; Mason bricks are
retargeted to this project and verified end-to-end.

flutter analyze lib/ reports no errors.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Mfu2gQLSFN21YRBcU2NrTt

frontend/lib/Grounded/about/external/data/SessionLog.dart

@@ -0,0 +1,105 @@
+import 'SetLog.dart';
+
+class SessionLog {
+  String? id;
+
+  String templateId;
+
+  String templateName;
+
+  DateTime? startedAt;
+
+  DateTime? endedAt;
+
+  /// Session RPE 1..10.
+  double sessionRpe;
+
+  /// Readiness check-in at session start.
+  int sleepScore;
+
+  int sorenessScore;
+
+  int motivationScore;
+
+  /// Did you do the session, or a watered-down version of it?
+  double integrityScore;
+
+  bool duringDeload;
+
+  List<SetLog> sets;
+
+  SessionLog({
+    this.id,
+    this.templateId = "",
+    this.templateName = "",
+    this.startedAt,
+    this.endedAt,
+    this.sessionRpe = 0,
+    this.sleepScore = 0,
+    this.sorenessScore = 0,
+    this.motivationScore = 0,
+    this.integrityScore = 0,
+    this.duringDeload = false,
+    List<SetLog>? sets,
+  }) : sets = sets ?? <SetLog>[];
+
+  factory SessionLog.fromJson(Map<String, dynamic> json) {
+    return SessionLog(
+      id: json['id'],
+      templateId: json['templateId'] ?? "",
+      templateName: json['templateName'] ?? "",
+      startedAt: DateTime.tryParse(json['startedAt'] ?? ""),
+      endedAt: DateTime.tryParse(json['endedAt'] ?? ""),
+      sessionRpe: (json['sessionRpe'] ?? 0).toDouble(),
+      sleepScore: json['sleepScore'] ?? 0,
+      sorenessScore: json['sorenessScore'] ?? 0,
+      motivationScore: json['motivationScore'] ?? 0,
+      integrityScore: (json['integrityScore'] ?? 0).toDouble(),
+      duringDeload: json['duringDeload'] ?? false,
+      sets: json['sets'] == null
+          ? <SetLog>[]
+          : (json['sets'] as List).map((item) => SetLog.fromJson(item)).toList(),
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = <String, dynamic>{};
+    data['id'] = id;
+    data['templateId'] = templateId;
+    data['templateName'] = templateName;
+    data['startedAt'] = startedAt?.toIso8601String();
+    data['endedAt'] = endedAt?.toIso8601String();
+    data['sessionRpe'] = sessionRpe;
+    data['sleepScore'] = sleepScore;
+    data['sorenessScore'] = sorenessScore;
+    data['motivationScore'] = motivationScore;
+    data['integrityScore'] = integrityScore;
+    data['duringDeload'] = duringDeload;
+    data['sets'] = sets.map((item) => item.toJson()).toList();
+    return data;
+  }
+
+  int get durationMinutes {
+    if (startedAt == null || endedAt == null) {
+      return 0;
+    }
+    return endedAt!.difference(startedAt!).inMinutes;
+  }
+
+  /// Weekly tonnage contribution for loaded work.
+  double get tonnage {
+    double total = 0;
+    for (SetLog entry in sets) {
+      total = total + (entry.loadKg * entry.reps);
+    }
+    return total;
+  }
+
+  int get contacts {
+    int total = 0;
+    for (SetLog entry in sets) {
+      total = total + entry.contacts;
+    }
+    return total;
+  }
+}