From 69372a49ed255306d76ff380dd755d01f6033cd1 Mon Sep 17 00:00:00 2001
From: Leon Morival <leon.morival@gmail.com>
Date: Fri, 14 Aug 2026 12:45:37 +0200
Subject: [PATCH] feat: history and calculate needs for user

---
 app/Actions/AcceptWeeklyReviewAdjustment.php  |  79 ++++++
 app/Actions/CompleteNutritionOnboarding.php   |  28 +++
 app/Actions/RecalculateNutritionPlan.php      |  87 +++++++
 app/Enums/NutritionPlanSource.php             |  10 +
 app/Enums/WeeklyReviewStatus.php              |  10 +
 .../Resources/Users/Schemas/UserForm.php      |  76 ------
 .../Resources/Users/Schemas/UserInfolist.php  |  47 ++--
 .../Resources/Users/Tables/UsersTable.php     |  20 +-
 app/Http/Controllers/AuthController.php       |  66 ++---
 .../NutritionOnboardingController.php         |  19 ++
 .../Controllers/NutritionPlanController.php   |  24 ++
 .../NutritionProfileController.php            |  22 ++
 .../Controllers/WeeklyReviewController.php    |  39 +++
 .../Controllers/WeightEntryController.php     |  55 +++++
 .../EnsureNutritionOnboardingCompleted.php    |  26 ++
 .../CompleteNutritionOnboardingRequest.php    |  82 +++++++
 .../Requests/ListWeightEntriesRequest.php     |  28 +++
 app/Http/Requests/RegisterRequest.php         |   9 -
 app/Http/Requests/StoreWeightEntryRequest.php |  29 +++
 .../UpdateNutritionProfileRequest.php         |  14 ++
 app/Http/Requests/UpdateUserRequest.php       |  29 +--
 app/Http/Resources/NutritionPlanResource.php  |  36 +++
 app/Http/Resources/UserResource.php           |  32 ++-
 app/Http/Resources/WeeklyReviewResource.php   |  42 ++++
 app/Http/Resources/WeightEntryResource.php    |  27 +++
 app/Models/NutritionPlan.php                  |  65 +++++
 app/Models/User.php                           |  47 +++-
 app/Models/WeeklyReview.php                   |  73 ++++++
 app/Models/WeightEntry.php                    |  38 +++
 app/Services/NutritionPlanCalculator.php      | 128 ++++++++++
 app/Services/WeeklyReviewService.php          | 227 ++++++++++++++++++
 bootstrap/app.php                             |  86 ++++++-
 database/factories/NutritionPlanFactory.php   |  41 ++++
 database/factories/UserFactory.php            |  80 +++++-
 database/factories/WeeklyReviewFactory.php    |  43 ++++
 database/factories/WeightEntryFactory.php     |  27 +++
 .../0001_01_01_000000_create_users_table.php  |  19 +-
 ...14_075205_create_nutrition_plans_table.php |  44 ++++
 ..._14_075205_create_weight_entries_table.php |  33 +++
 ..._14_075206_create_weekly_reviews_table.php |  49 ++++
 lang/en/admin.php                             |  13 +-
 lang/en/api.php                               |  29 ++-
 lang/fr/admin.php                             |  13 +-
 lang/fr/api.php                               |  29 ++-
 routes/api.php                                |  39 ++-
 tests/Feature/EmailVerificationTest.php       |  48 ++--
 tests/Feature/NutritionOnboardingTest.php     |  93 +++++++
 tests/Feature/UserNutritionGoalsTest.php      |  83 ++++---
 tests/Feature/WeeklyReviewTest.php            | 132 ++++++++++
 tests/Feature/WeightEntryTest.php             |  46 ++++
 tests/Unit/NutritionPlanCalculatorTest.php    |  70 ++++++
 51 files changed, 2226 insertions(+), 305 deletions(-)
 create mode 100644 app/Actions/AcceptWeeklyReviewAdjustment.php
 create mode 100644 app/Actions/CompleteNutritionOnboarding.php
 create mode 100644 app/Actions/RecalculateNutritionPlan.php
 create mode 100644 app/Enums/NutritionPlanSource.php
 create mode 100644 app/Enums/WeeklyReviewStatus.php
 create mode 100644 app/Http/Controllers/NutritionOnboardingController.php
 create mode 100644 app/Http/Controllers/NutritionPlanController.php
 create mode 100644 app/Http/Controllers/NutritionProfileController.php
 create mode 100644 app/Http/Controllers/WeeklyReviewController.php
 create mode 100644 app/Http/Controllers/WeightEntryController.php
 create mode 100644 app/Http/Middleware/EnsureNutritionOnboardingCompleted.php
 create mode 100644 app/Http/Requests/CompleteNutritionOnboardingRequest.php
 create mode 100644 app/Http/Requests/ListWeightEntriesRequest.php
 create mode 100644 app/Http/Requests/StoreWeightEntryRequest.php
 create mode 100644 app/Http/Requests/UpdateNutritionProfileRequest.php
 create mode 100644 app/Http/Resources/NutritionPlanResource.php
 create mode 100644 app/Http/Resources/WeeklyReviewResource.php
 create mode 100644 app/Http/Resources/WeightEntryResource.php
 create mode 100644 app/Models/NutritionPlan.php
 create mode 100644 app/Models/WeeklyReview.php
 create mode 100644 app/Models/WeightEntry.php
 create mode 100644 app/Services/NutritionPlanCalculator.php
 create mode 100644 app/Services/WeeklyReviewService.php
 create mode 100644 database/factories/NutritionPlanFactory.php
 create mode 100644 database/factories/WeeklyReviewFactory.php
 create mode 100644 database/factories/WeightEntryFactory.php
 create mode 100644 database/migrations/2026_08_14_075205_create_nutrition_plans_table.php
 create mode 100644 database/migrations/2026_08_14_075205_create_weight_entries_table.php
 create mode 100644 database/migrations/2026_08_14_075206_create_weekly_reviews_table.php
 create mode 100644 tests/Feature/NutritionOnboardingTest.php
 create mode 100644 tests/Feature/WeeklyReviewTest.php
 create mode 100644 tests/Feature/WeightEntryTest.php
 create mode 100644 tests/Unit/NutritionPlanCalculatorTest.php

diff --git a/app/Actions/AcceptWeeklyReviewAdjustment.php b/app/Actions/AcceptWeeklyReviewAdjustment.php
new file mode 100644
index 0000000..98f32a1
--- /dev/null
+++ b/app/Actions/AcceptWeeklyReviewAdjustment.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace App\Actions;
+
+use App\Enums\NutritionPlanSource;
+use App\Enums\WeeklyReviewStatus;
+use App\Models\NutritionPlan;
+use App\Models\WeeklyReview;
+use Illuminate\Support\Facades\DB;
+
+class AcceptWeeklyReviewAdjustment
+{
+    public function execute(WeeklyReview $weeklyReview): NutritionPlan
+    {
+        return DB::transaction(function () use ($weeklyReview): NutritionPlan {
+            $lockedReview = WeeklyReview::query()->lockForUpdate()->findOrFail($weeklyReview->getKey());
+
+            abort_if($lockedReview->accepted_at !== null, 409, 'WEEKLY_ADJUSTMENT_ALREADY_ACCEPTED');
+            abort_unless(
+                $lockedReview->status === WeeklyReviewStatus::ADJUSTMENT_RECOMMENDED
+                    && $lockedReview->recommended_calorie_adjustment !== 0,
+                409,
+                'WEEKLY_ADJUSTMENT_UNAVAILABLE',
+            );
+
+            $user = $lockedReview->user()->lockForUpdate()->firstOrFail();
+            $currentPlan = $user->nutritionPlans()->where('is_active', true)->latest('effective_from')->firstOrFail();
+
+            abort_unless(
+                $lockedReview->nutrition_plan_id === $currentPlan->getKey(),
+                409,
+                'WEEKLY_ADJUSTMENT_STALE',
+            );
+
+            $now = now();
+            $targetCalories = max(1200, $currentPlan->calories + $lockedReview->recommended_calorie_adjustment);
+            $proteins = (int) round($currentPlan->proteins);
+            $fats = (int) round($currentPlan->fats);
+            $carbs = max(0, (int) round(($targetCalories - ($proteins * 4) - ($fats * 9)) / 4));
+            $calories = ($proteins * 4) + ($carbs * 4) + ($fats * 9);
+
+            abort_if(
+                $calories === $currentPlan->calories,
+                409,
+                'WEEKLY_ADJUSTMENT_UNAVAILABLE',
+            );
+
+            $currentPlan->update([
+                'is_active' => false,
+                'effective_until' => $now,
+            ]);
+
+            $nextPlan = $user->nutritionPlans()->create([
+                'source' => NutritionPlanSource::WEEKLY_ADJUSTMENT,
+                'formula_version' => $currentPlan->formula_version,
+                'calories' => $calories,
+                'proteins' => $proteins,
+                'carbs' => $carbs,
+                'fats' => $fats,
+                'resting_metabolism' => $currentPlan->resting_metabolism,
+                'maintenance_calories' => $currentPlan->maintenance_calories,
+                'calorie_adjustment_percent' => ($calories - $currentPlan->maintenance_calories) / max(1, $currentPlan->maintenance_calories),
+                'calculation_details' => [
+                    ...$currentPlan->calculation_details,
+                    'weeklyReviewId' => $lockedReview->getKey(),
+                    'weeklyAdjustmentCalories' => $lockedReview->recommended_calorie_adjustment,
+                ],
+                'effective_from' => $now,
+            ]);
+
+            $lockedReview->update([
+                'accepted_at' => $now,
+                'accepted_nutrition_plan_id' => $nextPlan->getKey(),
+            ]);
+
+            return $nextPlan;
+        }, attempts: 3);
+    }
+}
diff --git a/app/Actions/CompleteNutritionOnboarding.php b/app/Actions/CompleteNutritionOnboarding.php
new file mode 100644
index 0000000..cc7489f
--- /dev/null
+++ b/app/Actions/CompleteNutritionOnboarding.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Actions;
+
+use App\Enums\NutritionPlanSource;
+use App\Models\User;
+
+class CompleteNutritionOnboarding
+{
+    public function __construct(private RecalculateNutritionPlan $recalculateNutritionPlan) {}
+
+    /**
+     * @param  array<string, mixed>  $data
+     */
+    public function execute(User $user, array $data): User
+    {
+        if ($user->hasCompletedNutritionOnboarding()) {
+            return $user->loadMissing(['activeNutritionPlan', 'latestWeightEntry']);
+        }
+
+        return $this->recalculateNutritionPlan->execute(
+            user: $user,
+            data: $data,
+            source: NutritionPlanSource::ONBOARDING,
+            completeOnboarding: true,
+        );
+    }
+}
diff --git a/app/Actions/RecalculateNutritionPlan.php b/app/Actions/RecalculateNutritionPlan.php
new file mode 100644
index 0000000..98b8460
--- /dev/null
+++ b/app/Actions/RecalculateNutritionPlan.php
@@ -0,0 +1,87 @@
+<?php
+
+namespace App\Actions;
+
+use App\Enums\NutritionPlanSource;
+use App\Enums\PacePreference;
+use App\Enums\PhysicalActivityLevel;
+use App\Enums\UserSex;
+use App\Enums\WeightGoal;
+use App\Models\User;
+use App\Services\NutritionPlanCalculator;
+use Carbon\CarbonImmutable;
+use Illuminate\Support\Facades\DB;
+
+class RecalculateNutritionPlan
+{
+    public function __construct(private NutritionPlanCalculator $calculator) {}
+
+    /**
+     * @param  array<string, mixed>  $data
+     */
+    public function execute(
+        User $user,
+        array $data,
+        NutritionPlanSource $source,
+        bool $completeOnboarding = false,
+    ): User {
+        return DB::transaction(function () use ($user, $data, $source, $completeOnboarding): User {
+            $lockedUser = User::query()->lockForUpdate()->findOrFail($user->getKey());
+            $now = now();
+
+            if ($completeOnboarding && $lockedUser->hasCompletedNutritionOnboarding()) {
+                return $lockedUser->load(['activeNutritionPlan', 'latestWeightEntry']);
+            }
+
+            $lockedUser->update([
+                'height' => $data['heightCm'],
+                'target_weight' => $data['targetWeightKg'] ?? null,
+                'date_of_birth' => $data['dateOfBirth'],
+                'sex' => $data['sex'],
+                'physical_activity_level' => $data['physicalActivityLevel'],
+                'weight_goal' => $data['weightGoal'],
+                'pace_preference' => $data['pacePreference'],
+                ...($completeOnboarding ? [
+                    'onboarding_completed_at' => $now,
+                    'nutrition_estimate_accepted_at' => $now,
+                ] : []),
+            ]);
+
+            $weightKg = (float) $data['weightKg'];
+            $latestWeight = $lockedUser->weightEntries()->latest('measured_at')->first();
+
+            if ($latestWeight === null || abs($latestWeight->weight_kg - $weightKg) >= 0.01) {
+                $lockedUser->weightEntries()->create([
+                    'weight_kg' => $weightKg,
+                    'measured_at' => $now,
+                ]);
+            }
+
+            $lockedUser->nutritionPlans()
+                ->where('is_active', true)
+                ->update([
+                    'is_active' => false,
+                    'effective_until' => $now,
+                ]);
+
+            $calculation = $this->calculator->calculate(
+                weightKg: $weightKg,
+                heightCm: (int) $data['heightCm'],
+                dateOfBirth: CarbonImmutable::parse($data['dateOfBirth']),
+                sex: UserSex::from($data['sex']),
+                activityLevel: PhysicalActivityLevel::from($data['physicalActivityLevel']),
+                weightGoal: WeightGoal::from($data['weightGoal']),
+                pacePreference: PacePreference::from($data['pacePreference']),
+            );
+
+            $lockedUser->nutritionPlans()->create([
+                ...$calculation,
+                'source' => $source,
+                'is_active' => true,
+                'effective_from' => $now,
+            ]);
+
+            return $lockedUser->fresh()->load(['activeNutritionPlan', 'latestWeightEntry']);
+        }, attempts: 3);
+    }
+}
diff --git a/app/Enums/NutritionPlanSource.php b/app/Enums/NutritionPlanSource.php
new file mode 100644
index 0000000..b1c4b21
--- /dev/null
+++ b/app/Enums/NutritionPlanSource.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Enums;
+
+enum NutritionPlanSource: string
+{
+    case ONBOARDING = 'onboarding';
+    case PROFILE_RECALCULATION = 'profile_recalculation';
+    case WEEKLY_ADJUSTMENT = 'weekly_adjustment';
+}
diff --git a/app/Enums/WeeklyReviewStatus.php b/app/Enums/WeeklyReviewStatus.php
new file mode 100644
index 0000000..9fcf183
--- /dev/null
+++ b/app/Enums/WeeklyReviewStatus.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Enums;
+
+enum WeeklyReviewStatus: string
+{
+    case INSUFFICIENT_DATA = 'insufficient_data';
+    case ON_TRACK = 'on_track';
+    case ADJUSTMENT_RECOMMENDED = 'adjustment_recommended';
+}
diff --git a/app/Filament/Resources/Users/Schemas/UserForm.php b/app/Filament/Resources/Users/Schemas/UserForm.php
index 43ccdd2..58233af 100644
--- a/app/Filament/Resources/Users/Schemas/UserForm.php
+++ b/app/Filament/Resources/Users/Schemas/UserForm.php
@@ -2,12 +2,7 @@
 
 namespace App\Filament\Resources\Users\Schemas;
 
-use App\Enums\PacePreference;
-use App\Enums\PhysicalActivityLevel;
 use App\Enums\UserRole;
-use App\Enums\UserSex;
-use App\Enums\WeightGoal;
-use Filament\Forms\Components\DatePicker;
 use Filament\Forms\Components\DateTimePicker;
 use Filament\Forms\Components\FileUpload;
 use Filament\Forms\Components\Select;
@@ -65,82 +60,11 @@ class UserForm
                             ->label(__('admin.users.fields.email_verified_at')),
                     ]),
                 Section::make(__('admin.users.sections.profile'))
-                    ->columns(2)
                     ->schema([
                         Textarea::make('bio')
                             ->label(__('admin.users.fields.bio'))
                             ->rows(4)
                             ->columnSpanFull(),
-                        TextInput::make('height')
-                            ->label(__('admin.users.fields.height'))
-                            ->integer()
-                            ->minValue(0)
-                            ->maxValue(300)
-                            ->suffix('cm'),
-                        DatePicker::make('date_of_birth')
-                            ->label(__('admin.users.fields.date_of_birth'))
-                            ->minDate('1900-01-01')
-                            ->maxDate(now()->subDay()),
-                        Select::make('sex')
-                            ->label(__('admin.users.fields.sex'))
-                            ->options(UserSex::class)
-                            ->default(UserSex::UNKNOWN->value)
-                            ->required(),
-                    ]),
-                Section::make(__('admin.users.sections.nutrition_goals'))
-                    ->columns(4)
-                    ->schema([
-                        TextInput::make('daily_calorie_goal')
-                            ->label(__('admin.users.fields.daily_calorie_goal'))
-                            ->integer()
-                            ->minValue(0)
-                            ->maxValue(100000)
-                            ->suffix('kcal')
-                            ->default(2000)
-                            ->required(),
-                        TextInput::make('daily_protein_goal')
-                            ->label(__('admin.users.fields.daily_protein_goal'))
-                            ->numeric()
-                            ->minValue(0)
-                            ->maxValue(10000)
-                            ->suffix('g')
-                            ->default(120)
-                            ->required(),
-                        TextInput::make('daily_carbs_goal')
-                            ->label(__('admin.users.fields.daily_carbs_goal'))
-                            ->numeric()
-                            ->minValue(0)
-                            ->maxValue(10000)
-                            ->suffix('g')
-                            ->default(250)
-                            ->required(),
-                        TextInput::make('daily_fats_goal')
-                            ->label(__('admin.users.fields.daily_fats_goal'))
-                            ->numeric()
-                            ->minValue(0)
-                            ->maxValue(10000)
-                            ->suffix('g')
-                            ->default(70)
-                            ->required(),
-                    ]),
-                Section::make(__('admin.users.sections.activity'))
-                    ->columns(3)
-                    ->schema([
-                        Select::make('physical_activity_level')
-                            ->label(__('admin.users.fields.physical_activity_level'))
-                            ->options(PhysicalActivityLevel::class)
-                            ->default(PhysicalActivityLevel::SEDENTARY->value)
-                            ->required(),
-                        Select::make('weight_goal')
-                            ->label(__('admin.users.fields.weight_goal'))
-                            ->options(WeightGoal::class)
-                            ->default(WeightGoal::LOSE_WEIGHT->value)
-                            ->required(),
-                        Select::make('pace_preference')
-                            ->label(__('admin.users.fields.pace_preference'))
-                            ->options(PacePreference::class)
-                            ->default(PacePreference::SLOW->value)
-                            ->required(),
                     ]),
             ]);
     }
diff --git a/app/Filament/Resources/Users/Schemas/UserInfolist.php b/app/Filament/Resources/Users/Schemas/UserInfolist.php
index 52a9703..49a4e14 100644
--- a/app/Filament/Resources/Users/Schemas/UserInfolist.php
+++ b/app/Filament/Resources/Users/Schemas/UserInfolist.php
@@ -67,6 +67,16 @@ class UserInfolist
                             ->numeric(decimalPlaces: 0)
                             ->suffix(' cm')
                             ->placeholder(__('admin.users.placeholders.empty')),
+                        TextEntry::make('latestWeightEntry.weight_kg')
+                            ->label(__('admin.users.fields.current_weight'))
+                            ->numeric(maxDecimalPlaces: 2)
+                            ->suffix(' kg')
+                            ->placeholder(__('admin.users.placeholders.empty')),
+                        TextEntry::make('target_weight')
+                            ->label(__('admin.users.fields.target_weight'))
+                            ->numeric(maxDecimalPlaces: 2)
+                            ->suffix(' kg')
+                            ->placeholder(__('admin.users.placeholders.empty')),
                         TextEntry::make('date_of_birth')
                             ->label(__('admin.users.fields.date_of_birth'))
                             ->date()
@@ -75,25 +85,29 @@ class UserInfolist
                             ->label(__('admin.users.fields.sex'))
                             ->badge(),
                     ]),
-                Section::make(__('admin.users.sections.nutrition_goals'))
+                Section::make(__('admin.users.sections.nutrition_plan'))
                     ->columns(4)
                     ->schema([
-                        TextEntry::make('daily_calorie_goal')
-                            ->label(__('admin.users.fields.daily_calorie_goal'))
+                        TextEntry::make('activeNutritionPlan.calories')
+                            ->label(__('admin.users.fields.calorie_goal'))
                             ->numeric(decimalPlaces: 0)
-                            ->suffix(' kcal'),
-                        TextEntry::make('daily_protein_goal')
-                            ->label(__('admin.users.fields.daily_protein_goal'))
+                            ->suffix(' kcal')
+                            ->placeholder(__('admin.users.placeholders.empty')),
+                        TextEntry::make('activeNutritionPlan.proteins')
+                            ->label(__('admin.users.fields.protein_goal'))
                             ->numeric(maxDecimalPlaces: 2)
-                            ->suffix(' g'),
-                        TextEntry::make('daily_carbs_goal')
-                            ->label(__('admin.users.fields.daily_carbs_goal'))
+                            ->suffix(' g')
+                            ->placeholder(__('admin.users.placeholders.empty')),
+                        TextEntry::make('activeNutritionPlan.carbs')
+                            ->label(__('admin.users.fields.carbs_goal'))
                             ->numeric(maxDecimalPlaces: 2)
-                            ->suffix(' g'),
-                        TextEntry::make('daily_fats_goal')
-                            ->label(__('admin.users.fields.daily_fats_goal'))
+                            ->suffix(' g')
+                            ->placeholder(__('admin.users.placeholders.empty')),
+                        TextEntry::make('activeNutritionPlan.fats')
+                            ->label(__('admin.users.fields.fats_goal'))
                             ->numeric(maxDecimalPlaces: 2)
-                            ->suffix(' g'),
+                            ->suffix(' g')
+                            ->placeholder(__('admin.users.placeholders.empty')),
                     ]),
                 Section::make(__('admin.users.sections.activity'))
                     ->columns(3)
@@ -106,7 +120,12 @@ class UserInfolist
                             ->badge(),
                         TextEntry::make('pace_preference')
                             ->label(__('admin.users.fields.pace_preference'))
-                            ->badge(),
+                            ->badge()
+                            ->placeholder(__('admin.users.placeholders.empty')),
+                        TextEntry::make('onboarding_completed_at')
+                            ->label(__('admin.users.fields.onboarding_completed_at'))
+                            ->dateTime()
+                            ->placeholder(__('admin.users.placeholders.empty')),
                     ]),
                 Section::make(__('admin.users.sections.metadata'))
                     ->columns(2)
diff --git a/app/Filament/Resources/Users/Tables/UsersTable.php b/app/Filament/Resources/Users/Tables/UsersTable.php
index e0b5e35..5ef714a 100644
--- a/app/Filament/Resources/Users/Tables/UsersTable.php
+++ b/app/Filament/Resources/Users/Tables/UsersTable.php
@@ -95,29 +95,25 @@ class UsersTable
                     ->badge()
                     ->sortable()
                     ->toggleable(isToggledHiddenByDefault: true),
-                TextColumn::make('daily_calorie_goal')
-                    ->label(__('admin.users.fields.daily_calorie_goal'))
+                TextColumn::make('activeNutritionPlan.calories')
+                    ->label(__('admin.users.fields.calorie_goal'))
                     ->numeric(decimalPlaces: 0)
                     ->suffix(' kcal')
-                    ->sortable()
                     ->toggleable(isToggledHiddenByDefault: true),
-                TextColumn::make('daily_protein_goal')
-                    ->label(__('admin.users.fields.daily_protein_goal'))
+                TextColumn::make('activeNutritionPlan.proteins')
+                    ->label(__('admin.users.fields.protein_goal'))
                     ->numeric(maxDecimalPlaces: 2)
                     ->suffix(' g')
-                    ->sortable()
                     ->toggleable(isToggledHiddenByDefault: true),
-                TextColumn::make('daily_carbs_goal')
-                    ->label(__('admin.users.fields.daily_carbs_goal'))
+                TextColumn::make('activeNutritionPlan.carbs')
+                    ->label(__('admin.users.fields.carbs_goal'))
                     ->numeric(maxDecimalPlaces: 2)
                     ->suffix(' g')
-                    ->sortable()
                     ->toggleable(isToggledHiddenByDefault: true),
-                TextColumn::make('daily_fats_goal')
-                    ->label(__('admin.users.fields.daily_fats_goal'))
+                TextColumn::make('activeNutritionPlan.fats')
+                    ->label(__('admin.users.fields.fats_goal'))
                     ->numeric(maxDecimalPlaces: 2)
                     ->suffix(' g')
-                    ->sortable()
                     ->toggleable(isToggledHiddenByDefault: true),
                 TextColumn::make('bio')
                     ->label(__('admin.users.fields.bio'))
diff --git a/app/Http/Controllers/AuthController.php b/app/Http/Controllers/AuthController.php
index 66e1d08..24c1f3b 100644
--- a/app/Http/Controllers/AuthController.php
+++ b/app/Http/Controllers/AuthController.php
@@ -43,7 +43,7 @@ class AuthController extends Controller
         $this->startWebSession($request, $user);
 
         return response()->json([
-            'message' => __('api.auth.registered_unverified'),
+            'code' => 'REGISTERED_UNVERIFIED',
             'user' => new UserResource($user),
         ], 201);
     }
@@ -73,7 +73,7 @@ class AuthController extends Controller
         }
 
         return response()->json([
-            'message' => __('api.auth.registered_unverified'),
+            'code' => 'REGISTERED_UNVERIFIED',
             'token' => $this->createMobileToken($user, $request->validated('device_name')),
             'user' => new UserResource($user),
         ], 201);
@@ -101,7 +101,7 @@ class AuthController extends Controller
         if (! hash_equals($hash, sha1($user->getEmailForVerification()))) {
             if ($request->expectsJson()) {
                 return response()->json([
-                    'message' => __('api.auth.invalid_verification_link'),
+                    'code' => 'INVALID_VERIFICATION_LINK',
                 ], 403);
             }
 
@@ -118,9 +118,9 @@ class AuthController extends Controller
 
         if ($request->expectsJson()) {
             return response()->json([
-                'message' => $alreadyVerified
-                    ? __('api.auth.already_verified')
-                    : __('api.auth.verified'),
+                'code' => $alreadyVerified
+                    ? 'EMAIL_ALREADY_VERIFIED'
+                    : 'EMAIL_VERIFIED',
                 'user' => new UserResource($user->fresh()),
             ]);
         }
@@ -141,7 +141,7 @@ class AuthController extends Controller
         }
 
         return response()->json([
-            'message' => __('api.auth.verification_sent_if_unverified'),
+            'code' => 'VERIFICATION_EMAIL_SENT_IF_UNVERIFIED',
         ]);
     }
 
@@ -152,12 +152,12 @@ class AuthController extends Controller
 
         if ($status === Password::RESET_THROTTLED) {
             return response()->json([
-                'message' => __($status),
+                'code' => 'PASSWORD_RESET_THROTTLED',
             ], 429);
         }
 
         return response()->json([
-            'message' => __('api.auth.password_reset_link_sent'),
+            'code' => 'PASSWORD_RESET_LINK_SENT',
         ]);
     }
 
@@ -167,12 +167,12 @@ class AuthController extends Controller
 
         if ($status !== Password::PASSWORD_RESET) {
             return response()->json([
-                'message' => __($status),
+                'code' => 'PASSWORD_RESET_FAILED',
             ], 422);
         }
 
         return response()->json([
-            'message' => __('api.auth.password_reset'),
+            'code' => 'PASSWORD_RESET',
         ]);
     }
 
@@ -228,7 +228,7 @@ class AuthController extends Controller
         }
 
         return response()->json([
-            'message' => __('api.auth.logout'),
+            'code' => 'LOGGED_OUT',
         ]);
     }
 
@@ -237,7 +237,7 @@ class AuthController extends Controller
         $user = auth()->user();
 
         if (! $user) {
-            return response()->json(['message' => __('api.auth.unauthenticated')], 401);
+            return response()->json(['code' => 'UNAUTHENTICATED'], 401);
         }
 
         return new UserResource($user);
@@ -247,10 +247,9 @@ class AuthController extends Controller
     {
         $user = $request->user();
 
-        abort_if($user->isSuspended(), 403, __('api.auth.suspended'));
+        abort_if($user->isSuspended(), 403, 'ACCOUNT_SUSPENDED');
 
         $data = $request->validated();
-        $nutritionGoals = $data['nutritionGoals'] ?? null;
 
         if ($request->hasFile('avatar')) {
             if ($user->avatar_url) {
@@ -263,13 +262,6 @@ class AuthController extends Controller
 
         $userAttributes = $this->userAttributesFromRequestData($data);
 
-        if (is_array($nutritionGoals)) {
-            $userAttributes['daily_calorie_goal'] = $nutritionGoals['calories'];
-            $userAttributes['daily_protein_goal'] = $nutritionGoals['proteins'];
-            $userAttributes['daily_carbs_goal'] = $nutritionGoals['carbs'];
-            $userAttributes['daily_fats_goal'] = $nutritionGoals['fats'];
-        }
-
         if (! empty($userAttributes)) {
             $user->update($userAttributes);
         }
@@ -281,7 +273,7 @@ class AuthController extends Controller
     {
         $user = $request->user();
 
-        abort_if($user->isSuspended(), 403, __('api.auth.suspended'));
+        abort_if($user->isSuspended(), 403, 'ACCOUNT_SUSPENDED');
 
         $currentAccessToken = $user->currentAccessToken();
 
@@ -299,7 +291,7 @@ class AuthController extends Controller
         }
 
         return response()->json([
-            'message' => __('api.auth.password_updated'),
+            'code' => 'PASSWORD_UPDATED',
         ]);
     }
 
@@ -350,7 +342,7 @@ class AuthController extends Controller
         }
 
         return response()->json([
-            'message' => __('api.auth.deleted'),
+            'code' => 'ACCOUNT_DELETED',
         ]);
     }
 
@@ -382,7 +374,7 @@ class AuthController extends Controller
             }
 
             return response()->json([
-                'message' => __('api.auth.verification_email_failed'),
+                'code' => 'VERIFICATION_EMAIL_FAILED',
             ], 503);
         }
 
@@ -398,13 +390,13 @@ class AuthController extends Controller
 
         if (! $user || ! Hash::check((string) $data['password'], $user->password)) {
             return response()->json([
-                'message' => __('api.auth.invalid_credentials'),
+                'code' => 'INVALID_CREDENTIALS',
             ], 401);
         }
 
         if ($user->isSuspended()) {
             return response()->json([
-                'message' => __('api.auth.suspended'),
+                'code' => 'ACCOUNT_SUSPENDED',
             ], 403);
         }
 
@@ -414,7 +406,7 @@ class AuthController extends Controller
 
         if (! $user->hasVerifiedEmail()) {
             return response()->json([
-                'message' => __('api.auth.email_not_verified'),
+                'code' => 'EMAIL_NOT_VERIFIED',
             ], 403);
         }
 
@@ -480,25 +472,9 @@ class AuthController extends Controller
             'name',
             'avatar_url',
             'locale',
-            'height',
             'bio',
-            'sex',
-            'date_of_birth',
         ]);
 
-        $attributeMap = [
-            'physicalActivityLevel' => 'physical_activity_level',
-            'weightGoal' => 'weight_goal',
-            'pacePreference' => 'pace_preference',
-            'dateOfBirth' => 'date_of_birth',
-        ];
-
-        foreach ($attributeMap as $requestKey => $attribute) {
-            if (array_key_exists($requestKey, $data)) {
-                $attributes[$attribute] = $data[$requestKey];
-            }
-        }
-
         return $attributes;
     }
 }
diff --git a/app/Http/Controllers/NutritionOnboardingController.php b/app/Http/Controllers/NutritionOnboardingController.php
new file mode 100644
index 0000000..58afcbb
--- /dev/null
+++ b/app/Http/Controllers/NutritionOnboardingController.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Actions\CompleteNutritionOnboarding;
+use App\Http\Requests\CompleteNutritionOnboardingRequest;
+use App\Http\Resources\UserResource;
+
+class NutritionOnboardingController extends Controller
+{
+    public function __invoke(
+        CompleteNutritionOnboardingRequest $request,
+        CompleteNutritionOnboarding $completeNutritionOnboarding,
+    ): UserResource {
+        return new UserResource(
+            $completeNutritionOnboarding->execute($request->user(), $request->validated())
+        );
+    }
+}
diff --git a/app/Http/Controllers/NutritionPlanController.php b/app/Http/Controllers/NutritionPlanController.php
new file mode 100644
index 0000000..aab11a9
--- /dev/null
+++ b/app/Http/Controllers/NutritionPlanController.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Resources\NutritionPlanResource;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\AnonymousResourceCollection;
+
+class NutritionPlanController extends Controller
+{
+    public function index(Request $request): AnonymousResourceCollection
+    {
+        return NutritionPlanResource::collection(
+            $request->user()->nutritionPlans()->latest('effective_from')->limit(50)->get()
+        );
+    }
+
+    public function current(Request $request): NutritionPlanResource
+    {
+        $plan = $request->user()->nutritionPlans()->where('is_active', true)->latest('effective_from')->firstOrFail();
+
+        return new NutritionPlanResource($plan);
+    }
+}
diff --git a/app/Http/Controllers/NutritionProfileController.php b/app/Http/Controllers/NutritionProfileController.php
new file mode 100644
index 0000000..5849c65
--- /dev/null
+++ b/app/Http/Controllers/NutritionProfileController.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Actions\RecalculateNutritionPlan;
+use App\Enums\NutritionPlanSource;
+use App\Http\Requests\UpdateNutritionProfileRequest;
+use App\Http\Resources\UserResource;
+
+class NutritionProfileController extends Controller
+{
+    public function __invoke(
+        UpdateNutritionProfileRequest $request,
+        RecalculateNutritionPlan $recalculateNutritionPlan,
+    ): UserResource {
+        return new UserResource($recalculateNutritionPlan->execute(
+            user: $request->user(),
+            data: $request->validated(),
+            source: NutritionPlanSource::PROFILE_RECALCULATION,
+        ));
+    }
+}
diff --git a/app/Http/Controllers/WeeklyReviewController.php b/app/Http/Controllers/WeeklyReviewController.php
new file mode 100644
index 0000000..f039835
--- /dev/null
+++ b/app/Http/Controllers/WeeklyReviewController.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Actions\AcceptWeeklyReviewAdjustment;
+use App\Http\Resources\NutritionPlanResource;
+use App\Http\Resources\WeeklyReviewResource;
+use App\Models\WeeklyReview;
+use App\Services\WeeklyReviewService;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\AnonymousResourceCollection;
+
+class WeeklyReviewController extends Controller
+{
+    public function index(Request $request): AnonymousResourceCollection
+    {
+        return WeeklyReviewResource::collection(
+            $request->user()->weeklyReviews()->latest('period_start')->limit(52)->get()
+        );
+    }
+
+    public function current(Request $request, WeeklyReviewService $weeklyReviewService): JsonResponse
+    {
+        return (new WeeklyReviewResource($weeklyReviewService->generate($request->user())))
+            ->response()
+            ->setStatusCode(200);
+    }
+
+    public function accept(
+        Request $request,
+        WeeklyReview $weeklyReview,
+        AcceptWeeklyReviewAdjustment $acceptWeeklyReviewAdjustment,
+    ): NutritionPlanResource {
+        abort_unless($weeklyReview->user_id === $request->user()->getKey(), 404);
+
+        return new NutritionPlanResource($acceptWeeklyReviewAdjustment->execute($weeklyReview));
+    }
+}
diff --git a/app/Http/Controllers/WeightEntryController.php b/app/Http/Controllers/WeightEntryController.php
new file mode 100644
index 0000000..d285cbb
--- /dev/null
+++ b/app/Http/Controllers/WeightEntryController.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Requests\ListWeightEntriesRequest;
+use App\Http\Requests\StoreWeightEntryRequest;
+use App\Http\Resources\WeightEntryResource;
+use App\Models\WeightEntry;
+use Carbon\CarbonImmutable;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\AnonymousResourceCollection;
+use Illuminate\Http\Response;
+
+class WeightEntryController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index(ListWeightEntriesRequest $request): AnonymousResourceCollection
+    {
+        $from = now()->subDays($request->integer('days', 365))->startOfDay();
+        $entries = $request->user()
+            ->weightEntries()
+            ->where('measured_at', '>=', $from)
+            ->latest('measured_at')
+            ->get();
+
+        return WeightEntryResource::collection($entries);
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     */
+    public function store(StoreWeightEntryRequest $request): WeightEntryResource
+    {
+        $entry = $request->user()->weightEntries()->create([
+            'weight_kg' => $request->validated('weightKg'),
+            'measured_at' => CarbonImmutable::parse($request->validated('measuredAt') ?? now()),
+        ]);
+
+        return new WeightEntryResource($entry);
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     */
+    public function destroy(Request $request, WeightEntry $weightEntry): Response
+    {
+        abort_unless($weightEntry->user_id === $request->user()->getKey(), 404);
+
+        $weightEntry->delete();
+
+        return response()->noContent();
+    }
+}
diff --git a/app/Http/Middleware/EnsureNutritionOnboardingCompleted.php b/app/Http/Middleware/EnsureNutritionOnboardingCompleted.php
new file mode 100644
index 0000000..189acdd
--- /dev/null
+++ b/app/Http/Middleware/EnsureNutritionOnboardingCompleted.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class EnsureNutritionOnboardingCompleted
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response)  $next
+     */
+    public function handle(Request $request, Closure $next): Response
+    {
+        if (! $request->user()?->hasCompletedNutritionOnboarding()) {
+            return response()->json([
+                'code' => 'ONBOARDING_REQUIRED',
+            ], 409);
+        }
+
+        return $next($request);
+    }
+}
diff --git a/app/Http/Requests/CompleteNutritionOnboardingRequest.php b/app/Http/Requests/CompleteNutritionOnboardingRequest.php
new file mode 100644
index 0000000..ec76b47
--- /dev/null
+++ b/app/Http/Requests/CompleteNutritionOnboardingRequest.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace App\Http\Requests;
+
+use App\Enums\PacePreference;
+use App\Enums\PhysicalActivityLevel;
+use App\Enums\UserSex;
+use App\Enums\WeightGoal;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+use Illuminate\Validation\Validator;
+
+class CompleteNutritionOnboardingRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return $this->user() !== null;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'dateOfBirth' => [
+                'required',
+                'date_format:Y-m-d',
+                'before_or_equal:'.now()->subYears(18)->toDateString(),
+                'after_or_equal:'.now()->subYears(100)->toDateString(),
+            ],
+            'sex' => ['required', Rule::in([UserSex::MAN->value, UserSex::WOMAN->value])],
+            'heightCm' => ['required', 'integer', 'min:120', 'max:230'],
+            'weightKg' => ['required', 'numeric', 'min:35', 'max:300'],
+            'targetWeightKg' => ['nullable', 'numeric', 'min:35', 'max:300'],
+            'physicalActivityLevel' => ['required', Rule::enum(PhysicalActivityLevel::class)],
+            'weightGoal' => ['required', Rule::enum(WeightGoal::class)],
+            'pacePreference' => ['required', Rule::enum(PacePreference::class)],
+            'nutritionEstimateAccepted' => ['required', 'accepted'],
+        ];
+    }
+
+    public function after(): array
+    {
+        return [
+            function (Validator $validator): void {
+                $weight = $this->float('weightKg');
+                $targetWeight = $this->input('targetWeightKg');
+                $goal = $this->string('weightGoal')->toString();
+
+                if ($targetWeight === null || $targetWeight === '') {
+                    return;
+                }
+
+                $targetWeight = (float) $targetWeight;
+
+                if ($goal === WeightGoal::LOSE_WEIGHT->value && $targetWeight >= $weight) {
+                    $validator->errors()->add('targetWeightKg', 'NUTRITION_TARGET_WEIGHT_MUST_BE_LOWER');
+                }
+
+                if ($goal === WeightGoal::GAIN_WEIGHT->value && $targetWeight <= $weight) {
+                    $validator->errors()->add('targetWeightKg', 'NUTRITION_TARGET_WEIGHT_MUST_BE_HIGHER');
+                }
+            },
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'dateOfBirth.before_or_equal' => 'NUTRITION_ADULTS_ONLY',
+            'dateOfBirth.after_or_equal' => 'NUTRITION_BIRTH_DATE_OUT_OF_RANGE',
+            'sex.in' => 'NUTRITION_METABOLIC_SEX_REQUIRED',
+            'nutritionEstimateAccepted.accepted' => 'NUTRITION_ESTIMATE_ACCEPTANCE_REQUIRED',
+        ];
+    }
+}
diff --git a/app/Http/Requests/ListWeightEntriesRequest.php b/app/Http/Requests/ListWeightEntriesRequest.php
new file mode 100644
index 0000000..0ac522d
--- /dev/null
+++ b/app/Http/Requests/ListWeightEntriesRequest.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class ListWeightEntriesRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return $this->user()?->hasCompletedNutritionOnboarding() === true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'days' => ['sometimes', 'integer', 'min:7', 'max:3650'],
+        ];
+    }
+}
diff --git a/app/Http/Requests/RegisterRequest.php b/app/Http/Requests/RegisterRequest.php
index 351ad31..aa2edfe 100644
--- a/app/Http/Requests/RegisterRequest.php
+++ b/app/Http/Requests/RegisterRequest.php
@@ -2,10 +2,6 @@
 
 namespace App\Http\Requests;
 
-use App\Enums\PacePreference;
-use App\Enums\PhysicalActivityLevel;
-use App\Enums\UserSex;
-use App\Enums\WeightGoal;
 use App\Http\Requests\Concerns\ModeratesUserContent;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Validation\Rule;
@@ -56,11 +52,6 @@ class RegisterRequest extends FormRequest
             'termsAccepted' => ['required', 'accepted'],
             'avatar' => ['sometimes', 'nullable', 'image', 'max:2048'],
             'bio' => ['nullable', 'string'],
-            'physicalActivityLevel' => ['sometimes', Rule::enum(PhysicalActivityLevel::class)],
-            'weightGoal' => ['sometimes', Rule::enum(WeightGoal::class)],
-            'pacePreference' => ['sometimes', Rule::enum(PacePreference::class)],
-            'sex' => ['sometimes', Rule::enum(UserSex::class)],
-            'dateOfBirth' => ['sometimes', 'nullable', 'date_format:Y-m-d', 'before:today', 'after:1900-01-01'],
         ];
     }
 
diff --git a/app/Http/Requests/StoreWeightEntryRequest.php b/app/Http/Requests/StoreWeightEntryRequest.php
new file mode 100644
index 0000000..4db28db
--- /dev/null
+++ b/app/Http/Requests/StoreWeightEntryRequest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class StoreWeightEntryRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return $this->user()?->hasCompletedNutritionOnboarding() === true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'weightKg' => ['required', 'numeric', 'min:35', 'max:300'],
+            'measuredAt' => ['sometimes', 'nullable', 'date', 'before_or_equal:now'],
+        ];
+    }
+}
diff --git a/app/Http/Requests/UpdateNutritionProfileRequest.php b/app/Http/Requests/UpdateNutritionProfileRequest.php
new file mode 100644
index 0000000..96991ca
--- /dev/null
+++ b/app/Http/Requests/UpdateNutritionProfileRequest.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Http\Requests;
+
+class UpdateNutritionProfileRequest extends CompleteNutritionOnboardingRequest
+{
+    public function rules(): array
+    {
+        $rules = parent::rules();
+        unset($rules['nutritionEstimateAccepted']);
+
+        return $rules;
+    }
+}
diff --git a/app/Http/Requests/UpdateUserRequest.php b/app/Http/Requests/UpdateUserRequest.php
index 1f973e0..ed27e7d 100644
--- a/app/Http/Requests/UpdateUserRequest.php
+++ b/app/Http/Requests/UpdateUserRequest.php
@@ -2,10 +2,6 @@
 
 namespace App\Http\Requests;
 
-use App\Enums\PacePreference;
-use App\Enums\PhysicalActivityLevel;
-use App\Enums\UserSex;
-use App\Enums\WeightGoal;
 use App\Http\Requests\Concerns\ModeratesUserContent;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Validation\Rule;
@@ -22,27 +18,24 @@ class UpdateUserRequest extends FormRequest
     public function rules(): array
     {
         return [
+            'name' => [
+                'sometimes',
+                'string',
+                'min:3',
+                'max:32',
+                'regex:/^[a-zA-Z0-9_.-]+$/',
+                Rule::unique('users', 'name')->ignore($this->user()),
+            ],
             'bio' => ['sometimes', 'nullable', 'string'],
-            'height' => ['sometimes', 'nullable', 'integer'],
             'locale' => ['sometimes', 'string', Rule::in(config('app.supported_locales', ['fr', 'en']))],
             'avatar' => ['sometimes', 'nullable', 'image', 'max:2048'],
-            'nutritionGoals' => ['sometimes', 'array'],
-            'nutritionGoals.calories' => ['required_with:nutritionGoals', 'integer', 'min:0', 'max:100000'],
-            'nutritionGoals.proteins' => ['required_with:nutritionGoals', 'numeric', 'min:0', 'max:10000'],
-            'nutritionGoals.carbs' => ['required_with:nutritionGoals', 'numeric', 'min:0', 'max:10000'],
-            'nutritionGoals.fats' => ['required_with:nutritionGoals', 'numeric', 'min:0', 'max:10000'],
-            'physicalActivityLevel' => ['sometimes', Rule::enum(PhysicalActivityLevel::class)],
-            'weightGoal' => ['sometimes', Rule::enum(WeightGoal::class)],
-            'pacePreference' => ['sometimes', Rule::enum(PacePreference::class)],
-            'sex' => ['sometimes', Rule::enum(UserSex::class)],
-            'dateOfBirth' => ['sometimes', 'nullable', 'date_format:Y-m-d', 'before:today', 'after:1900-01-01'],
         ];
     }
 
     public function after(): array
     {
         return $this->moderationChecks(
-            [$this->input('bio')],
+            [$this->input('name'), $this->input('bio')],
             [$this->file('avatar')],
         );
     }
@@ -51,10 +44,6 @@ class UpdateUserRequest extends FormRequest
     {
         return [
             'avatar.max' => __('api.validation.image_max_2mb'),
-            'nutritionGoals.calories.integer' => __('api.validation.calories_integer'),
-            'nutritionGoals.*.required_with' => __('api.validation.nutrition_goals_required'),
-            'nutritionGoals.*.min' => __('api.validation.nutrition_goals_positive'),
-            'nutritionGoals.*.max' => __('api.validation.nutrition_goals_max'),
         ];
     }
 
diff --git a/app/Http/Resources/NutritionPlanResource.php b/app/Http/Resources/NutritionPlanResource.php
new file mode 100644
index 0000000..45b770b
--- /dev/null
+++ b/app/Http/Resources/NutritionPlanResource.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Http\Resources;
+
+use App\Models\NutritionPlan;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin NutritionPlan */
+class NutritionPlanResource extends JsonResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'source' => $this->source,
+            'formulaVersion' => $this->formula_version,
+            'calories' => $this->calories,
+            'proteins' => $this->proteins,
+            'carbs' => $this->carbs,
+            'fats' => $this->fats,
+            'restingMetabolism' => $this->resting_metabolism,
+            'maintenanceCalories' => $this->maintenance_calories,
+            'calorieAdjustmentPercent' => $this->calorie_adjustment_percent,
+            'calculationDetails' => $this->calculation_details,
+            'effectiveFrom' => $this->effective_from?->toISOString(),
+            'effectiveUntil' => $this->effective_until?->toISOString(),
+            'isActive' => $this->is_active,
+        ];
+    }
+}
diff --git a/app/Http/Resources/UserResource.php b/app/Http/Resources/UserResource.php
index b7cf7c5..3044c93 100644
--- a/app/Http/Resources/UserResource.php
+++ b/app/Http/Resources/UserResource.php
@@ -15,14 +15,19 @@ class UserResource extends JsonResource
      */
     public function toArray(Request $request): array
     {
+        $this->resource->loadMissing(['activeNutritionPlan', 'latestWeightEntry']);
+        $nutritionPlan = $this->activeNutritionPlan;
+
         return [
-            'id' => $this->id, // à voir si suppression par la suite
+            'id' => $this->id,
             'name' => $this->name,
             'email' => $this->email,
             'locale' => $this->locale,
             'emailVerified' => $this->hasVerifiedEmail(),
             'emailVerifiedAt' => $this->email_verified_at?->toISOString(),
             'height' => $this->height,
+            'currentWeight' => $this->latestWeightEntry?->weight_kg,
+            'targetWeight' => $this->target_weight,
             'avatarUrl' => $this->avatar_url ? asset(Storage::url($this->avatar_url)) : null,
             'bio' => $this->bio,
             'role' => $this->role,
@@ -38,20 +43,27 @@ class UserResource extends JsonResource
             'hasActiveSubscription' => $this->hasActiveSubscription(),
             'suspendedAt' => $this->suspended_at?->toISOString(),
             'physicalActivityLevel' => $this->physical_activity_level,
-            'physicalActivityLevelLabel' => $this->physical_activity_level?->getLabel(),
             'weightGoal' => $this->weight_goal,
-            'weightGoalLabel' => $this->weight_goal?->getLabel(),
             'pacePreference' => $this->pace_preference,
-            'pacePreferenceLabel' => $this->pace_preference?->getLabel(),
             'sex' => $this->sex,
-            'sexLabel' => $this->sex?->getLabel(),
             'dateOfBirth' => $this->date_of_birth?->toDateString(),
-            'nutritionGoals' => [
-                'calories' => (int) $this->daily_calorie_goal,
-                'proteins' => (float) $this->daily_protein_goal,
-                'carbs' => (float) $this->daily_carbs_goal,
-                'fats' => (float) $this->daily_fats_goal,
+            'onboardingStatus' => $this->hasCompletedNutritionOnboarding() ? 'completed' : 'required',
+            'missingOnboardingFields' => $this->hasCompletedNutritionOnboarding() ? [] : [
+                'dateOfBirth',
+                'sex',
+                'heightCm',
+                'weightKg',
+                'physicalActivityLevel',
+                'weightGoal',
+                'pacePreference',
             ],
+            'nutritionPlan' => NutritionPlanResource::make($nutritionPlan),
+            'nutritionGoals' => $nutritionPlan ? [
+                'calories' => $nutritionPlan->calories,
+                'proteins' => $nutritionPlan->proteins,
+                'carbs' => $nutritionPlan->carbs,
+                'fats' => $nutritionPlan->fats,
+            ] : null,
         ];
     }
 }
diff --git a/app/Http/Resources/WeeklyReviewResource.php b/app/Http/Resources/WeeklyReviewResource.php
new file mode 100644
index 0000000..673cd29
--- /dev/null
+++ b/app/Http/Resources/WeeklyReviewResource.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Http\Resources;
+
+use App\Models\WeeklyReview;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin WeeklyReview */
+class WeeklyReviewResource extends JsonResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'periodStart' => $this->period_start?->toDateString(),
+            'periodEnd' => $this->period_end?->toDateString(),
+            'averages' => [
+                'calories' => $this->average_calories,
+                'proteins' => $this->average_proteins,
+                'carbs' => $this->average_carbs,
+                'fats' => $this->average_fats,
+            ],
+            'loggedDaysCount' => $this->logged_days_count,
+            'weightEntriesCount' => $this->weight_entries_count,
+            'weightTrendKg' => $this->weight_trend_kg,
+            'targetWeightTrendKg' => $this->target_weight_trend_kg,
+            'status' => $this->status,
+            'recommendedCalorieAdjustment' => $this->recommended_calorie_adjustment,
+            'messageCode' => $this->message_code,
+            'metrics' => $this->metrics,
+            'generatedAt' => $this->generated_at?->toISOString(),
+            'acceptedAt' => $this->accepted_at?->toISOString(),
+            'acceptedNutritionPlanId' => $this->accepted_nutrition_plan_id,
+        ];
+    }
+}
diff --git a/app/Http/Resources/WeightEntryResource.php b/app/Http/Resources/WeightEntryResource.php
new file mode 100644
index 0000000..1aea8b7
--- /dev/null
+++ b/app/Http/Resources/WeightEntryResource.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Http\Resources;
+
+use App\Models\WeightEntry;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin WeightEntry */
+class WeightEntryResource extends JsonResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'weightKg' => $this->weight_kg,
+            'source' => $this->source,
+            'measuredAt' => $this->measured_at?->toISOString(),
+            'createdAt' => $this->created_at?->toISOString(),
+        ];
+    }
+}
diff --git a/app/Models/NutritionPlan.php b/app/Models/NutritionPlan.php
new file mode 100644
index 0000000..269dc7d
--- /dev/null
+++ b/app/Models/NutritionPlan.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\NutritionPlanSource;
+use Illuminate\Database\Eloquent\Concerns\HasUlids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class NutritionPlan extends Model
+{
+    /** @use HasFactory<\Database\Factories\NutritionPlanFactory> */
+    use HasFactory, HasUlids;
+
+    protected $fillable = [
+        'user_id',
+        'source',
+        'formula_version',
+        'calories',
+        'proteins',
+        'carbs',
+        'fats',
+        'resting_metabolism',
+        'maintenance_calories',
+        'calorie_adjustment_percent',
+        'calculation_details',
+        'is_active',
+        'effective_from',
+        'effective_until',
+    ];
+
+    protected $attributes = [
+        'is_active' => true,
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'source' => NutritionPlanSource::class,
+            'calories' => 'integer',
+            'proteins' => 'float',
+            'carbs' => 'float',
+            'fats' => 'float',
+            'resting_metabolism' => 'integer',
+            'maintenance_calories' => 'integer',
+            'calorie_adjustment_percent' => 'float',
+            'calculation_details' => 'array',
+            'is_active' => 'boolean',
+            'effective_from' => 'immutable_datetime',
+            'effective_until' => 'immutable_datetime',
+        ];
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function weeklyReviews(): HasMany
+    {
+        return $this->hasMany(WeeklyReview::class);
+    }
+}
diff --git a/app/Models/User.php b/app/Models/User.php
index 2df04a4..f35d9a4 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -51,6 +51,7 @@ class User extends Authenticatable implements FilamentUser, HasAvatar, HasLocale
         'password',
         'avatar_url',
         'height',
+        'target_weight',
         'bio',
         'account_verified_at',
         'certification_purchased_at',
@@ -58,15 +59,13 @@ class User extends Authenticatable implements FilamentUser, HasAvatar, HasLocale
         'subscription_store',
         'subscription_expires_at',
         'subscription_is_trial',
-        'daily_calorie_goal',
-        'daily_protein_goal',
-        'daily_carbs_goal',
-        'daily_fats_goal',
         'physical_activity_level',
         'weight_goal',
         'pace_preference',
         'sex',
         'date_of_birth',
+        'onboarding_completed_at',
+        'nutrition_estimate_accepted_at',
         'terms_accepted_at',
         'social_notifications_enabled',
         'engagement_reminders_enabled',
@@ -97,16 +96,16 @@ class User extends Authenticatable implements FilamentUser, HasAvatar, HasLocale
             'account_verified_at' => 'datetime',
             'certification_purchased_at' => 'datetime',
             'password' => 'hashed',
-            'daily_calorie_goal' => 'integer',
-            'daily_protein_goal' => 'float',
-            'daily_carbs_goal' => 'float',
-            'daily_fats_goal' => 'float',
+            'height' => 'integer',
+            'target_weight' => 'float',
             'physical_activity_level' => PhysicalActivityLevel::class,
             'weight_goal' => WeightGoal::class,
             'pace_preference' => PacePreference::class,
             'sex' => UserSex::class,
             'role' => UserRole::class,
             'date_of_birth' => 'immutable_date',
+            'onboarding_completed_at' => 'datetime',
+            'nutrition_estimate_accepted_at' => 'datetime',
             'terms_accepted_at' => 'datetime',
             'social_notifications_enabled' => 'boolean',
             'engagement_reminders_enabled' => 'boolean',
@@ -146,6 +145,38 @@ class User extends Authenticatable implements FilamentUser, HasAvatar, HasLocale
         return $this->hasMany(WorkoutSessions::class);
     }
 
+    public function nutritionPlans(): HasMany
+    {
+        return $this->hasMany(NutritionPlan::class);
+    }
+
+    public function activeNutritionPlan(): HasOne
+    {
+        return $this->hasOne(NutritionPlan::class)
+            ->where('is_active', true)
+            ->latestOfMany('effective_from');
+    }
+
+    public function weightEntries(): HasMany
+    {
+        return $this->hasMany(WeightEntry::class);
+    }
+
+    public function latestWeightEntry(): HasOne
+    {
+        return $this->hasOne(WeightEntry::class)->latestOfMany('measured_at');
+    }
+
+    public function weeklyReviews(): HasMany
+    {
+        return $this->hasMany(WeeklyReview::class);
+    }
+
+    public function hasCompletedNutritionOnboarding(): bool
+    {
+        return $this->onboarding_completed_at !== null;
+    }
+
     public function stravaConnection(): HasOne
     {
         return $this->hasOne(StravaConnection::class);
diff --git a/app/Models/WeeklyReview.php b/app/Models/WeeklyReview.php
new file mode 100644
index 0000000..668341e
--- /dev/null
+++ b/app/Models/WeeklyReview.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\WeeklyReviewStatus;
+use Illuminate\Database\Eloquent\Concerns\HasUlids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class WeeklyReview extends Model
+{
+    /** @use HasFactory<\Database\Factories\WeeklyReviewFactory> */
+    use HasFactory, HasUlids;
+
+    protected $fillable = [
+        'user_id',
+        'nutrition_plan_id',
+        'period_start',
+        'period_end',
+        'average_calories',
+        'average_proteins',
+        'average_carbs',
+        'average_fats',
+        'logged_days_count',
+        'weight_entries_count',
+        'weight_trend_kg',
+        'target_weight_trend_kg',
+        'status',
+        'recommended_calorie_adjustment',
+        'message_code',
+        'metrics',
+        'generated_at',
+        'accepted_at',
+        'accepted_nutrition_plan_id',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'period_start' => 'immutable_date',
+            'period_end' => 'immutable_date',
+            'average_calories' => 'float',
+            'average_proteins' => 'float',
+            'average_carbs' => 'float',
+            'average_fats' => 'float',
+            'logged_days_count' => 'integer',
+            'weight_entries_count' => 'integer',
+            'weight_trend_kg' => 'float',
+            'target_weight_trend_kg' => 'float',
+            'status' => WeeklyReviewStatus::class,
+            'recommended_calorie_adjustment' => 'integer',
+            'metrics' => 'array',
+            'generated_at' => 'immutable_datetime',
+            'accepted_at' => 'immutable_datetime',
+        ];
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function nutritionPlan(): BelongsTo
+    {
+        return $this->belongsTo(NutritionPlan::class);
+    }
+
+    public function acceptedNutritionPlan(): BelongsTo
+    {
+        return $this->belongsTo(NutritionPlan::class, 'accepted_nutrition_plan_id');
+    }
+}
diff --git a/app/Models/WeightEntry.php b/app/Models/WeightEntry.php
new file mode 100644
index 0000000..2abe211
--- /dev/null
+++ b/app/Models/WeightEntry.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUlids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class WeightEntry extends Model
+{
+    /** @use HasFactory<\Database\Factories\WeightEntryFactory> */
+    use HasFactory, HasUlids;
+
+    protected $fillable = [
+        'user_id',
+        'weight_kg',
+        'source',
+        'measured_at',
+    ];
+
+    protected $attributes = [
+        'source' => 'manual',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'weight_kg' => 'float',
+            'measured_at' => 'immutable_datetime',
+        ];
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}
diff --git a/app/Services/NutritionPlanCalculator.php b/app/Services/NutritionPlanCalculator.php
new file mode 100644
index 0000000..ca2f9bb
--- /dev/null
+++ b/app/Services/NutritionPlanCalculator.php
@@ -0,0 +1,128 @@
+<?php
+
+namespace App\Services;
+
+use App\Enums\PacePreference;
+use App\Enums\PhysicalActivityLevel;
+use App\Enums\UserSex;
+use App\Enums\WeightGoal;
+use Carbon\CarbonInterface;
+use InvalidArgumentException;
+
+class NutritionPlanCalculator
+{
+    public const FORMULA_VERSION = 'mifflin_st_jeor_v1';
+
+    /**
+     * @return array{
+     *     formula_version: string,
+     *     calories: int,
+     *     proteins: float,
+     *     carbs: float,
+     *     fats: float,
+     *     resting_metabolism: int,
+     *     maintenance_calories: int,
+     *     calorie_adjustment_percent: float,
+     *     calculation_details: array<string, float|int|string>
+     * }
+     */
+    public function calculate(
+        float $weightKg,
+        int $heightCm,
+        CarbonInterface $dateOfBirth,
+        UserSex $sex,
+        PhysicalActivityLevel $activityLevel,
+        WeightGoal $weightGoal,
+        PacePreference $pacePreference,
+    ): array {
+        $sexCoefficient = match ($sex) {
+            UserSex::MAN => 5,
+            UserSex::WOMAN => -161,
+            default => throw new InvalidArgumentException('A metabolic calculation reference is required.'),
+        };
+        $age = (int) $dateOfBirth->diffInYears(now());
+        $restingMetabolism = (int) round(
+            (10 * $weightKg) + (6.25 * $heightCm) - (5 * $age) + $sexCoefficient
+        );
+        $activityFactor = $this->activityFactor($activityLevel);
+        $maintenanceCalories = (int) (round(($restingMetabolism * $activityFactor) / 10) * 10);
+        $adjustmentPercent = $this->calorieAdjustmentPercent($weightGoal, $pacePreference);
+        $unboundedCalories = (int) (round(($maintenanceCalories * (1 + $adjustmentPercent)) / 10) * 10);
+        $minimumCalories = max(1200, (int) (ceil(($restingMetabolism * 0.8) / 10) * 10));
+        $calorieTarget = max($minimumCalories, $unboundedCalories);
+        $heightMeters = $heightCm / 100;
+        $proteinReferenceWeight = min($weightKg, 25 * ($heightMeters ** 2));
+        $proteinFactor = $this->proteinFactor($activityLevel, $weightGoal);
+        $proteins = max(1, (int) round($proteinReferenceWeight * $proteinFactor));
+        $fats = max(1, (int) round(($calorieTarget * 0.25) / 9));
+        $carbs = max(0, (int) round(($calorieTarget - ($proteins * 4) - ($fats * 9)) / 4));
+        $macroCalories = ($proteins * 4) + ($carbs * 4) + ($fats * 9);
+
+        return [
+            'formula_version' => self::FORMULA_VERSION,
+            'calories' => $macroCalories,
+            'proteins' => $proteins,
+            'carbs' => $carbs,
+            'fats' => $fats,
+            'resting_metabolism' => $restingMetabolism,
+            'maintenance_calories' => $maintenanceCalories,
+            'calorie_adjustment_percent' => $adjustmentPercent,
+            'calculation_details' => [
+                'activityFactor' => $activityFactor,
+                'ageAtCalculation' => $age,
+                'heightCm' => $heightCm,
+                'inputWeightKg' => round($weightKg, 2),
+                'minimumCalories' => $minimumCalories,
+                'pacePreference' => $pacePreference->value,
+                'proteinFactor' => $proteinFactor,
+                'proteinReferenceWeightKg' => round($proteinReferenceWeight, 2),
+                'sexReference' => $sex->value,
+                'weightGoal' => $weightGoal->value,
+            ],
+        ];
+    }
+
+    private function activityFactor(PhysicalActivityLevel $activityLevel): float
+    {
+        return match ($activityLevel) {
+            PhysicalActivityLevel::SEDENTARY => 1.2,
+            PhysicalActivityLevel::LIGHTLY_ACTIVE => 1.375,
+            PhysicalActivityLevel::MODERATELY_ACTIVE => 1.55,
+            PhysicalActivityLevel::VERY_ACTIVE => 1.725,
+            PhysicalActivityLevel::ATHLETE => 1.9,
+        };
+    }
+
+    private function calorieAdjustmentPercent(WeightGoal $weightGoal, PacePreference $pacePreference): float
+    {
+        if ($weightGoal === WeightGoal::MAINTAIN_WEIGHT) {
+            return 0;
+        }
+
+        $magnitude = match ($pacePreference) {
+            PacePreference::SLOW => $weightGoal === WeightGoal::LOSE_WEIGHT ? 0.10 : 0.05,
+            PacePreference::NORMAL => $weightGoal === WeightGoal::LOSE_WEIGHT ? 0.15 : 0.10,
+            PacePreference::FAST => $weightGoal === WeightGoal::LOSE_WEIGHT ? 0.20 : 0.15,
+        };
+
+        return $weightGoal === WeightGoal::LOSE_WEIGHT ? -$magnitude : $magnitude;
+    }
+
+    private function proteinFactor(PhysicalActivityLevel $activityLevel, WeightGoal $weightGoal): float
+    {
+        $factor = match ($activityLevel) {
+            PhysicalActivityLevel::SEDENTARY => 1.2,
+            PhysicalActivityLevel::LIGHTLY_ACTIVE => 1.4,
+            PhysicalActivityLevel::MODERATELY_ACTIVE => 1.6,
+            PhysicalActivityLevel::VERY_ACTIVE, PhysicalActivityLevel::ATHLETE => 1.8,
+        };
+
+        $factor += match ($weightGoal) {
+            WeightGoal::LOSE_WEIGHT => 0.2,
+            WeightGoal::GAIN_WEIGHT => 0.1,
+            WeightGoal::MAINTAIN_WEIGHT => 0,
+        };
+
+        return min($factor, 2.0);
+    }
+}
diff --git a/app/Services/WeeklyReviewService.php b/app/Services/WeeklyReviewService.php
new file mode 100644
index 0000000..aebddfc
--- /dev/null
+++ b/app/Services/WeeklyReviewService.php
@@ -0,0 +1,227 @@
+<?php
+
+namespace App\Services;
+
+use App\Enums\PacePreference;
+use App\Enums\WeeklyReviewStatus;
+use App\Enums\WeightGoal;
+use App\Models\MealPosts;
+use App\Models\User;
+use App\Models\WeeklyReview;
+use Carbon\CarbonImmutable;
+use Carbon\CarbonInterface;
+use Illuminate\Support\Collection;
+
+class WeeklyReviewService
+{
+    /**
+     * Generate or refresh a review for the last completed week.
+     */
+    public function generate(User $user, ?CarbonImmutable $periodStart = null): WeeklyReview
+    {
+        $periodStart ??= CarbonImmutable::now()->subWeek()->startOfWeek(CarbonInterface::MONDAY);
+        $periodStart = $periodStart->startOfDay();
+        $periodEnd = $periodStart->endOfWeek(CarbonInterface::SUNDAY);
+        $existingReview = $user->weeklyReviews()->whereDate('period_start', $periodStart)->first();
+
+        if ($existingReview?->accepted_at !== null) {
+            return $existingReview;
+        }
+
+        $currentPlan = $user->nutritionPlans()->where('is_active', true)->latest('effective_from')->firstOrFail();
+        $nutritionPlan = $user->nutritionPlans()
+            ->where('effective_from', '<=', $periodEnd)
+            ->latest('effective_from')
+            ->first()
+            ?? $currentPlan;
+        $meals = MealPosts::query()
+            ->where('user_id', $user->getKey())
+            ->whereBetween('eaten_at', [$periodStart, $periodEnd])
+            ->get(['calories', 'proteins', 'carbs', 'fats', 'eaten_at']);
+        $loggedDaysCount = $meals->pluck('eaten_at')
+            ->map(fn (CarbonInterface $date): string => $date->toDateString())
+            ->unique()
+            ->count();
+        $averages = $this->nutritionAverages($meals, $loggedDaysCount);
+        $weights = $user->weightEntries()
+            ->whereBetween('measured_at', [$periodStart->subWeek(), $periodEnd])
+            ->oldest('measured_at')
+            ->get();
+        $trend = $this->weightTrend($weights);
+        $latestWeight = $weights->last()?->weight_kg ?? $user->latestWeightEntry()->value('weight_kg');
+        $targetTrend = $latestWeight === null ? null : $this->targetWeightTrend(
+            (float) $latestWeight,
+            $user->weight_goal,
+            $user->pace_preference,
+        );
+        [$status, $adjustment, $messageCode] = $this->recommendation(
+            loggedDaysCount: $loggedDaysCount,
+            weightCount: $weights->count(),
+            trend: $trend,
+            targetTrend: $targetTrend,
+            averageCalories: $averages['calories'],
+            planCalories: $nutritionPlan->calories,
+            weightGoal: $user->weight_goal,
+        );
+
+        if ($nutritionPlan->getKey() !== $currentPlan->getKey()) {
+            $status = WeeklyReviewStatus::INSUFFICIENT_DATA;
+            $adjustment = 0;
+            $messageCode = 'WEEKLY_REVIEW_PLAN_CHANGED';
+        }
+
+        return $user->weeklyReviews()->updateOrCreate(
+            ['period_start' => $periodStart->toDateString()],
+            [
+                'nutrition_plan_id' => $nutritionPlan->getKey(),
+                'period_end' => $periodEnd->toDateString(),
+                'average_calories' => $averages['calories'],
+                'average_proteins' => $averages['proteins'],
+                'average_carbs' => $averages['carbs'],
+                'average_fats' => $averages['fats'],
+                'logged_days_count' => $loggedDaysCount,
+                'weight_entries_count' => $weights->count(),
+                'weight_trend_kg' => $trend,
+                'target_weight_trend_kg' => $targetTrend,
+                'status' => $status,
+                'recommended_calorie_adjustment' => $adjustment,
+                'message_code' => $messageCode,
+                'metrics' => [
+                    'analysisStart' => $periodStart->subWeek()->toDateString(),
+                    'analysisEnd' => $periodEnd->toDateString(),
+                    'firstWeightKg' => $weights->first()?->weight_kg,
+                    'lastWeightKg' => $weights->last()?->weight_kg,
+                    'nutritionPlanCalories' => $nutritionPlan->calories,
+                ],
+                'generated_at' => now(),
+            ],
+        );
+    }
+
+    /**
+     * @param  Collection<int, MealPosts>  $meals
+     * @return array{calories: float, proteins: float, carbs: float, fats: float}
+     */
+    private function nutritionAverages(Collection $meals, int $loggedDaysCount): array
+    {
+        $divisor = max(1, $loggedDaysCount);
+
+        return [
+            'calories' => round((float) $meals->sum('calories') / $divisor, 2),
+            'proteins' => round((float) $meals->sum('proteins') / $divisor, 2),
+            'carbs' => round((float) $meals->sum('carbs') / $divisor, 2),
+            'fats' => round((float) $meals->sum('fats') / $divisor, 2),
+        ];
+    }
+
+    private function weightTrend(Collection $weights): ?float
+    {
+        $first = $weights->first();
+        $last = $weights->last();
+
+        if ($weights->count() < 4 || $first === null || $last === null) {
+            return null;
+        }
+
+        $days = max(1, $first->measured_at->diffInDays($last->measured_at));
+
+        if ($days < 7) {
+            return null;
+        }
+
+        return round((($last->weight_kg - $first->weight_kg) / $days) * 7, 2);
+    }
+
+    private function targetWeightTrend(
+        float $weightKg,
+        WeightGoal $weightGoal,
+        PacePreference $pacePreference,
+    ): float {
+        $percentage = match ($weightGoal) {
+            WeightGoal::LOSE_WEIGHT => match ($pacePreference) {
+                PacePreference::SLOW => -0.0025,
+                PacePreference::NORMAL => -0.005,
+                PacePreference::FAST => -0.0075,
+            },
+            WeightGoal::GAIN_WEIGHT => match ($pacePreference) {
+                PacePreference::SLOW => 0.00125,
+                PacePreference::NORMAL => 0.0025,
+                PacePreference::FAST => 0.00375,
+            },
+            WeightGoal::MAINTAIN_WEIGHT => 0,
+        };
+
+        return round($weightKg * $percentage, 2);
+    }
+
+    /**
+     * @return array{WeeklyReviewStatus, int, string}
+     */
+    private function recommendation(
+        int $loggedDaysCount,
+        int $weightCount,
+        ?float $trend,
+        ?float $targetTrend,
+        float $averageCalories,
+        int $planCalories,
+        WeightGoal $weightGoal,
+    ): array {
+        if ($loggedDaysCount < 5 || $weightCount < 4 || $trend === null || $targetTrend === null) {
+            return [
+                WeeklyReviewStatus::INSUFFICIENT_DATA,
+                0,
+                'WEEKLY_REVIEW_INSUFFICIENT_TRACKING',
+            ];
+        }
+
+        $calorieDifferenceRatio = abs($averageCalories - $planCalories) / max(1, $planCalories);
+
+        if ($calorieDifferenceRatio > 0.15) {
+            return [
+                WeeklyReviewStatus::INSUFFICIENT_DATA,
+                0,
+                'WEEKLY_REVIEW_INSUFFICIENT_ADHERENCE',
+            ];
+        }
+
+        $tolerance = $weightGoal === WeightGoal::MAINTAIN_WEIGHT
+            ? 0.2
+            : max(0.1, abs($targetTrend) * 0.35);
+        $difference = $trend - $targetTrend;
+
+        if (abs($difference) <= $tolerance) {
+            return [
+                WeeklyReviewStatus::ON_TRACK,
+                0,
+                'WEEKLY_REVIEW_ON_TRACK',
+            ];
+        }
+
+        $adjustment = match ($weightGoal) {
+            WeightGoal::LOSE_WEIGHT => $difference > 0 ? -100 : 100,
+            WeightGoal::GAIN_WEIGHT => $difference < 0 ? 100 : -100,
+            WeightGoal::MAINTAIN_WEIGHT => $trend > 0 ? -100 : 100,
+        };
+
+        return [
+            WeeklyReviewStatus::ADJUSTMENT_RECOMMENDED,
+            $adjustment,
+            $this->adjustmentMessage($weightGoal, $adjustment),
+        ];
+    }
+
+    private function adjustmentMessage(WeightGoal $weightGoal, int $adjustment): string
+    {
+        return match ($weightGoal) {
+            WeightGoal::LOSE_WEIGHT => $adjustment < 0
+                ? 'WEEKLY_REVIEW_LOSS_SLOWER'
+                : 'WEEKLY_REVIEW_LOSS_FASTER',
+            WeightGoal::GAIN_WEIGHT => $adjustment > 0
+                ? 'WEEKLY_REVIEW_GAIN_SLOWER'
+                : 'WEEKLY_REVIEW_GAIN_FASTER',
+            WeightGoal::MAINTAIN_WEIGHT => $adjustment > 0
+                ? 'WEEKLY_REVIEW_MAINTENANCE_DOWN'
+                : 'WEEKLY_REVIEW_MAINTENANCE_UP',
+        };
+    }
+}
diff --git a/bootstrap/app.php b/bootstrap/app.php
index d989a25..4eb689e 100644
--- a/bootstrap/app.php
+++ b/bootstrap/app.php
@@ -1,11 +1,16 @@
 <?php
 
+use Illuminate\Auth\Access\AuthorizationException;
 use Illuminate\Auth\AuthenticationException;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Foundation\Application;
 use Illuminate\Foundation\Configuration\Exceptions;
 use Illuminate\Foundation\Configuration\Middleware;
 use Illuminate\Http\Request;
 use Illuminate\Routing\Exceptions\InvalidSignatureException;
+use Illuminate\Support\Str;
+use Illuminate\Validation\ValidationException;
+use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
 
 return Application::configure(basePath: dirname(__DIR__))
     ->withRouting(
@@ -20,6 +25,7 @@ return Application::configure(basePath: dirname(__DIR__))
         $middleware->alias([
             'verified' => \App\Http\Middleware\EnsureEmailIsVerified::class,
             'not_suspended' => \App\Http\Middleware\EnsureAccountIsNotSuspended::class,
+            'onboarded' => \App\Http\Middleware\EnsureNutritionOnboardingCompleted::class,
         ]);
     })
     ->withExceptions(function (Exceptions $exceptions): void {
@@ -29,7 +35,7 @@ return Application::configure(basePath: dirname(__DIR__))
             }
 
             return response()->json([
-                'message' => __('api.auth.unauthenticated'),
+                'code' => 'UNAUTHENTICATED',
             ], 401);
         });
 
@@ -39,7 +45,83 @@ return Application::configure(basePath: dirname(__DIR__))
             }
 
             return response()->json([
-                'message' => __('api.auth.invalid_verification_link'),
+                'code' => 'INVALID_VERIFICATION_LINK',
             ], 403);
         });
+
+        $exceptions->render(function (ValidationException $exception, Request $request) {
+            if (! $request->expectsJson()) {
+                return null;
+            }
+
+            $failedRules = $exception->validator->failed();
+            $errors = collect($exception->errors())->mapWithKeys(
+                function (array $messages, string $attribute) use ($failedRules): array {
+                    $explicitCodes = collect($messages)
+                        ->filter(fn (string $message): bool => preg_match('/^[A-Z][A-Z0-9_]+$/', $message) === 1)
+                        ->values();
+
+                    if ($explicitCodes->isNotEmpty()) {
+                        return [$attribute => $explicitCodes->all()];
+                    }
+
+                    $codes = collect(array_keys($failedRules[$attribute] ?? []))
+                        ->map(fn (string $rule): string => 'VALIDATION_'.Str::upper(Str::snake(class_basename($rule))))
+                        ->values()
+                        ->all();
+
+                    return [$attribute => $codes !== [] ? $codes : ['VALIDATION_INVALID']];
+                }
+            );
+
+            return response()->json([
+                'code' => 'VALIDATION_ERROR',
+                'errors' => $errors,
+            ], $exception->status);
+        });
+
+        $exceptions->render(function (AuthorizationException $exception, Request $request) {
+            if (! $request->expectsJson()) {
+                return null;
+            }
+
+            return response()->json(['code' => 'FORBIDDEN'], 403);
+        });
+
+        $exceptions->render(function (ModelNotFoundException $exception, Request $request) {
+            if (! $request->expectsJson()) {
+                return null;
+            }
+
+            return response()->json(['code' => 'NOT_FOUND'], 404);
+        });
+
+        $exceptions->render(function (HttpExceptionInterface $exception, Request $request) {
+            if (! $request->expectsJson()) {
+                return null;
+            }
+
+            $message = $exception->getMessage();
+            $code = preg_match('/^[A-Z][A-Z0-9_]+$/', $message) === 1
+                ? $message
+                : match ($exception->getStatusCode()) {
+                    401 => 'UNAUTHENTICATED',
+                    403 => 'FORBIDDEN',
+                    404 => 'NOT_FOUND',
+                    409 => 'CONFLICT',
+                    422 => 'VALIDATION_ERROR',
+                    429 => 'TOO_MANY_REQUESTS',
+                    default => $exception->getStatusCode() >= 500 ? 'SERVER_ERROR' : 'REQUEST_FAILED',
+                };
+
+            return response()->json(['code' => $code], $exception->getStatusCode());
+        });
+
+        $exceptions->render(function (Throwable $exception, Request $request) {
+            if (! $request->expectsJson()) {
+                return null;
+            }
+
+            return response()->json(['code' => 'SERVER_ERROR'], 500);
+        });
     })->create();
diff --git a/database/factories/NutritionPlanFactory.php b/database/factories/NutritionPlanFactory.php
new file mode 100644
index 0000000..df3c56e
--- /dev/null
+++ b/database/factories/NutritionPlanFactory.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Enums\NutritionPlanSource;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\NutritionPlan>
+ */
+class NutritionPlanFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'user_id' => User::factory(),
+            'source' => NutritionPlanSource::ONBOARDING,
+            'formula_version' => 'mifflin_st_jeor_v1',
+            'calories' => 2200,
+            'proteins' => 112,
+            'carbs' => 286,
+            'fats' => 61,
+            'resting_metabolism' => 1650,
+            'maintenance_calories' => 2200,
+            'calorie_adjustment_percent' => 0,
+            'calculation_details' => [
+                'activityFactor' => 1.55,
+                'inputWeightKg' => 70,
+            ],
+            'is_active' => true,
+            'effective_from' => now(),
+            'effective_until' => null,
+        ];
+    }
+}
diff --git a/database/factories/UserFactory.php b/database/factories/UserFactory.php
index 0f4e460..fc353f5 100644
--- a/database/factories/UserFactory.php
+++ b/database/factories/UserFactory.php
@@ -2,7 +2,13 @@
 
 namespace Database\Factories;
 
+use App\Enums\NutritionPlanSource;
+use App\Enums\PacePreference;
+use App\Enums\PhysicalActivityLevel;
 use App\Enums\UserRole;
+use App\Enums\UserSex;
+use App\Enums\WeightGoal;
+use App\Models\User;
 use Illuminate\Database\Eloquent\Factories\Factory;
 use Illuminate\Support\Facades\Hash;
 use Illuminate\Support\Str;
@@ -32,14 +38,50 @@ class UserFactory extends Factory
             'email_verified_at' => now(),
             'password' => static::$password ??= Hash::make('password'),
             'avatar_url' => null,
-            'daily_calorie_goal' => 2000,
-            'daily_protein_goal' => 120,
-            'daily_carbs_goal' => 250,
-            'daily_fats_goal' => 70,
+            'height' => 175,
+            'target_weight' => 70,
+            'date_of_birth' => '1990-01-01',
+            'sex' => UserSex::MAN,
+            'physical_activity_level' => PhysicalActivityLevel::MODERATELY_ACTIVE,
+            'weight_goal' => WeightGoal::MAINTAIN_WEIGHT,
+            'pace_preference' => PacePreference::NORMAL,
+            'onboarding_completed_at' => now(),
+            'nutrition_estimate_accepted_at' => now(),
             'remember_token' => Str::random(10),
         ];
     }
 
+    public function configure(): static
+    {
+        return $this->afterCreating(function (User $user): void {
+            if (! $user->hasCompletedNutritionOnboarding()) {
+                return;
+            }
+
+            $user->weightEntries()->create([
+                'weight_kg' => 70,
+                'measured_at' => now(),
+            ]);
+
+            $user->nutritionPlans()->create([
+                'source' => NutritionPlanSource::ONBOARDING,
+                'formula_version' => 'mifflin_st_jeor_v1',
+                'calories' => 2200,
+                'proteins' => 112,
+                'carbs' => 286,
+                'fats' => 61,
+                'resting_metabolism' => 1650,
+                'maintenance_calories' => 2200,
+                'calorie_adjustment_percent' => 0,
+                'calculation_details' => [
+                    'activityFactor' => 1.55,
+                    'inputWeightKg' => 70,
+                ],
+                'effective_from' => now(),
+            ]);
+        });
+    }
+
     /**
      * Indicate that the model's email address should be unverified.
      */
@@ -49,4 +91,34 @@ class UserFactory extends Factory
             'email_verified_at' => null,
         ]);
     }
+
+    public function onboarded(): static
+    {
+        return $this->state(fn (array $attributes): array => [
+            'height' => 175,
+            'target_weight' => 70,
+            'date_of_birth' => '1990-01-01',
+            'sex' => UserSex::MAN,
+            'physical_activity_level' => PhysicalActivityLevel::MODERATELY_ACTIVE,
+            'weight_goal' => WeightGoal::MAINTAIN_WEIGHT,
+            'pace_preference' => PacePreference::NORMAL,
+            'onboarding_completed_at' => now(),
+            'nutrition_estimate_accepted_at' => now(),
+        ]);
+    }
+
+    public function withoutNutritionOnboarding(): static
+    {
+        return $this->state(fn (array $attributes): array => [
+            'height' => null,
+            'target_weight' => null,
+            'date_of_birth' => null,
+            'sex' => null,
+            'physical_activity_level' => null,
+            'weight_goal' => null,
+            'pace_preference' => null,
+            'onboarding_completed_at' => null,
+            'nutrition_estimate_accepted_at' => null,
+        ]);
+    }
 }
diff --git a/database/factories/WeeklyReviewFactory.php b/database/factories/WeeklyReviewFactory.php
new file mode 100644
index 0000000..4623928
--- /dev/null
+++ b/database/factories/WeeklyReviewFactory.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Enums\WeeklyReviewStatus;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\WeeklyReview>
+ */
+class WeeklyReviewFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'user_id' => User::factory(),
+            'nutrition_plan_id' => null,
+            'period_start' => now()->startOfWeek(),
+            'period_end' => now()->endOfWeek(),
+            'average_calories' => 2100,
+            'average_proteins' => 110,
+            'average_carbs' => 260,
+            'average_fats' => 70,
+            'logged_days_count' => 7,
+            'weight_entries_count' => 4,
+            'weight_trend_kg' => -0.3,
+            'target_weight_trend_kg' => -0.35,
+            'status' => WeeklyReviewStatus::ON_TRACK,
+            'recommended_calorie_adjustment' => 0,
+            'message_code' => 'WEEKLY_REVIEW_ON_TRACK',
+            'metrics' => [],
+            'generated_at' => now(),
+            'accepted_at' => null,
+            'accepted_nutrition_plan_id' => null,
+        ];
+    }
+}
diff --git a/database/factories/WeightEntryFactory.php b/database/factories/WeightEntryFactory.php
new file mode 100644
index 0000000..f831e34
--- /dev/null
+++ b/database/factories/WeightEntryFactory.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\User;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\WeightEntry>
+ */
+class WeightEntryFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'user_id' => User::factory(),
+            'weight_kg' => fake()->randomFloat(2, 45, 120),
+            'source' => 'manual',
+            'measured_at' => now(),
+        ];
+    }
+}
diff --git a/database/migrations/0001_01_01_000000_create_users_table.php b/database/migrations/0001_01_01_000000_create_users_table.php
index b6ef4df..0109556 100644
--- a/database/migrations/0001_01_01_000000_create_users_table.php
+++ b/database/migrations/0001_01_01_000000_create_users_table.php
@@ -19,20 +19,17 @@ return new class extends Migration
             $table->string('password');
             $table->string('role')->default('user');
             $table->text('bio')->nullable();
-            $table->integer('height')->nullable();
+            $table->unsignedSmallInteger('height')->nullable();
+            $table->decimal('target_weight', 5, 2)->nullable();
             $table->date('date_of_birth')->nullable();
-            $table->string('sex')->default('unknown');
-            $table->string('physical_activity_level')->default('sedentary');
-            $table->string('weight_goal')->default('lose_weight');
-            $table->string('pace_preference')->default('slow');
+            $table->string('sex')->nullable();
+            $table->string('physical_activity_level')->nullable();
+            $table->string('weight_goal')->nullable();
+            $table->string('pace_preference')->nullable();
             $table->string('locale', 8)->default('en')->after('email');
             $table->string('avatar_url', 2048)->nullable();
-
-            //            Goals
-            $table->unsignedInteger('daily_calorie_goal')->default(2000)->after('avatar_url');
-            $table->decimal('daily_protein_goal', 8, 2)->default(120)->after('daily_calorie_goal');
-            $table->decimal('daily_carbs_goal', 8, 2)->default(250)->after('daily_protein_goal');
-            $table->decimal('daily_fats_goal', 8, 2)->default(70)->after('daily_carbs_goal');
+            $table->timestampTz('onboarding_completed_at')->nullable()->index();
+            $table->timestampTz('nutrition_estimate_accepted_at')->nullable();
             // Moderation
             $table->timestamp('suspended_at')->nullable()->after('deleted_at')->index();
             $table->ulid('suspended_by')->nullable()->after('suspended_at')->index();
diff --git a/database/migrations/2026_08_14_075205_create_nutrition_plans_table.php b/database/migrations/2026_08_14_075205_create_nutrition_plans_table.php
new file mode 100644
index 0000000..51069be
--- /dev/null
+++ b/database/migrations/2026_08_14_075205_create_nutrition_plans_table.php
@@ -0,0 +1,44 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('nutrition_plans', function (Blueprint $table) {
+            $table->ulid('id')->primary();
+            $table->foreignUlid('user_id')->constrained('users')->cascadeOnDelete();
+            $table->string('source', 32);
+            $table->string('formula_version', 64);
+            $table->unsignedInteger('calories');
+            $table->decimal('proteins', 8, 2);
+            $table->decimal('carbs', 8, 2);
+            $table->decimal('fats', 8, 2);
+            $table->unsignedInteger('resting_metabolism');
+            $table->unsignedInteger('maintenance_calories');
+            $table->decimal('calorie_adjustment_percent', 6, 4)->default(0);
+            $table->json('calculation_details');
+            $table->boolean('is_active')->default(true);
+            $table->timestampTz('effective_from');
+            $table->timestampTz('effective_until')->nullable();
+            $table->timestampsTz();
+
+            $table->index(['user_id', 'is_active']);
+            $table->index(['user_id', 'effective_from']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('nutrition_plans');
+    }
+};
diff --git a/database/migrations/2026_08_14_075205_create_weight_entries_table.php b/database/migrations/2026_08_14_075205_create_weight_entries_table.php
new file mode 100644
index 0000000..b331d94
--- /dev/null
+++ b/database/migrations/2026_08_14_075205_create_weight_entries_table.php
@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('weight_entries', function (Blueprint $table) {
+            $table->ulid('id')->primary();
+            $table->foreignUlid('user_id')->constrained('users')->cascadeOnDelete();
+            $table->decimal('weight_kg', 5, 2);
+            $table->string('source', 32)->default('manual');
+            $table->timestampTz('measured_at');
+            $table->timestampsTz();
+
+            $table->index(['user_id', 'measured_at']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('weight_entries');
+    }
+};
diff --git a/database/migrations/2026_08_14_075206_create_weekly_reviews_table.php b/database/migrations/2026_08_14_075206_create_weekly_reviews_table.php
new file mode 100644
index 0000000..141cb72
--- /dev/null
+++ b/database/migrations/2026_08_14_075206_create_weekly_reviews_table.php
@@ -0,0 +1,49 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('weekly_reviews', function (Blueprint $table) {
+            $table->ulid('id')->primary();
+            $table->foreignUlid('user_id')->constrained('users')->cascadeOnDelete();
+            $table->foreignUlid('nutrition_plan_id')->nullable()->constrained('nutrition_plans')->nullOnDelete();
+            $table->date('period_start');
+            $table->date('period_end');
+            $table->decimal('average_calories', 8, 2)->default(0);
+            $table->decimal('average_proteins', 8, 2)->default(0);
+            $table->decimal('average_carbs', 8, 2)->default(0);
+            $table->decimal('average_fats', 8, 2)->default(0);
+            $table->unsignedTinyInteger('logged_days_count')->default(0);
+            $table->unsignedTinyInteger('weight_entries_count')->default(0);
+            $table->decimal('weight_trend_kg', 5, 2)->nullable();
+            $table->decimal('target_weight_trend_kg', 5, 2)->nullable();
+            $table->string('status', 32);
+            $table->smallInteger('recommended_calorie_adjustment')->default(0);
+            $table->string('message_code', 80);
+            $table->json('metrics');
+            $table->timestampTz('generated_at');
+            $table->timestampTz('accepted_at')->nullable();
+            $table->foreignUlid('accepted_nutrition_plan_id')->nullable()->constrained('nutrition_plans')->nullOnDelete();
+            $table->timestampsTz();
+
+            $table->unique(['user_id', 'period_start']);
+            $table->index(['user_id', 'period_end']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('weekly_reviews');
+    }
+};
diff --git a/lang/en/admin.php b/lang/en/admin.php
index 2688c55..bf4d5a7 100644
--- a/lang/en/admin.php
+++ b/lang/en/admin.php
@@ -16,7 +16,7 @@ return [
         'sections' => [
             'account' => 'Account',
             'profile' => 'Profile',
-            'nutrition_goals' => 'Nutrition goals',
+            'nutrition_plan' => 'Active nutrition plan',
             'activity' => 'Activity',
             'metadata' => 'Metadata',
         ],
@@ -36,17 +36,20 @@ return [
             'password' => 'Password',
             'bio' => 'Bio',
             'height' => 'Height',
+            'current_weight' => 'Current weight',
+            'target_weight' => 'Target weight',
             'date_of_birth' => 'Date of birth',
             'sex' => 'Sex',
-            'daily_calorie_goal' => 'Calories',
-            'daily_protein_goal' => 'Protein',
-            'daily_carbs_goal' => 'Carbs',
-            'daily_fats_goal' => 'Fats',
+            'calorie_goal' => 'Calories',
+            'protein_goal' => 'Protein',
+            'carbs_goal' => 'Carbs',
+            'fats_goal' => 'Fats',
             'physical_activity_level' => 'Activity level',
             'physical_activity_level_short' => 'Activity',
             'weight_goal' => 'Weight goal',
             'weight_goal_short' => 'Weight goal',
             'pace_preference' => 'Pace',
+            'onboarding_completed_at' => 'Nutrition profile completed at',
             'created_at' => 'Created at',
             'updated_at' => 'Updated at',
         ],
diff --git a/lang/en/api.php b/lang/en/api.php
index 58ef55d..d229bc1 100644
--- a/lang/en/api.php
+++ b/lang/en/api.php
@@ -125,6 +125,32 @@ return [
         'blocked' => 'User blocked.',
         'cannot_block_self' => 'You cannot block yourself.',
     ],
+    'nutrition' => [
+        'onboarding_required' => 'Complete your nutrition profile before continuing.',
+        'weekly_adjustment_unavailable' => 'No weekly adjustment is available.',
+        'weekly_adjustment_already_accepted' => 'This adjustment has already been applied.',
+        'weekly_adjustment_stale' => 'Your plan changed after this review. Generate a new review before adapting it.',
+        'validation' => [
+            'adults_only' => 'Automatic calculation is available to adults only.',
+            'birth_date_range' => 'This birth date cannot be used for the calculation.',
+            'sex_reference' => 'Choose the female or male calculation reference.',
+            'estimate_acceptance' => 'You must confirm that you understand this is an estimate.',
+            'target_lower' => 'The target weight must be lower than the current weight.',
+            'target_higher' => 'The target weight must be higher than the current weight.',
+        ],
+        'weekly_review' => [
+            'insufficient_tracking' => 'Log at least 5 days of meals and 4 weigh-ins across two weeks to receive a recommendation.',
+            'insufficient_adherence' => 'Food tracking is still too far from the plan to make a reliable adjustment.',
+            'on_track' => 'Your weight trend matches your goal. The plan remains unchanged.',
+            'plan_changed' => 'Your plan changed after this period. Keep tracking with the new plan before adapting it.',
+            'loss_slower' => 'Weight loss is slower than expected. A small calorie decrease is proposed.',
+            'loss_faster' => 'Weight loss is faster than expected. A small calorie increase is proposed.',
+            'gain_slower' => 'Weight gain is slower than expected. A small calorie increase is proposed.',
+            'gain_faster' => 'Weight gain is faster than expected. A small calorie decrease is proposed.',
+            'maintenance_down' => 'Weight is trending down. A small calorie increase is proposed.',
+            'maintenance_up' => 'Weight is trending up. A small calorie decrease is proposed.',
+        ],
+    ],
     'validation' => [
         'image_required' => 'Add an image to analyze.',
         'image_file' => 'The file must be an image.',
@@ -134,9 +160,6 @@ return [
         'visibility_valid' => 'Choose a valid visibility.',
         'month_valid' => 'Choose a valid month.',
         'calories_integer' => 'Calories must be an integer.',
-        'nutrition_goals_required' => 'Fill in all nutrition goals.',
-        'nutrition_goals_positive' => 'Nutrition goals must be positive.',
-        'nutrition_goals_max' => 'This nutrition goal value is too high.',
         'report_reason_required' => 'Choose a report reason.',
         'report_reason_valid' => 'Choose a valid report reason.',
         'report_details_max' => 'The report details may not be greater than 2000 characters.',
diff --git a/lang/fr/admin.php b/lang/fr/admin.php
index c17a1a7..b63f8ca 100644
--- a/lang/fr/admin.php
+++ b/lang/fr/admin.php
@@ -16,7 +16,7 @@ return [
         'sections' => [
             'account' => 'Compte',
             'profile' => 'Profil',
-            'nutrition_goals' => 'Objectifs nutritionnels',
+            'nutrition_plan' => 'Plan nutritionnel actif',
             'activity' => 'Activité',
             'metadata' => 'Métadonnées',
         ],
@@ -36,17 +36,20 @@ return [
             'password' => 'Mot de passe',
             'bio' => 'Bio',
             'height' => 'Taille',
+            'current_weight' => 'Poids actuel',
+            'target_weight' => 'Poids cible',
             'date_of_birth' => 'Date de naissance',
             'sex' => 'Sexe',
-            'daily_calorie_goal' => 'Calories',
-            'daily_protein_goal' => 'Protéines',
-            'daily_carbs_goal' => 'Glucides',
-            'daily_fats_goal' => 'Lipides',
+            'calorie_goal' => 'Calories',
+            'protein_goal' => 'Protéines',
+            'carbs_goal' => 'Glucides',
+            'fats_goal' => 'Lipides',
             'physical_activity_level' => 'Niveau d’activité',
             'physical_activity_level_short' => 'Activité',
             'weight_goal' => 'Objectif de poids',
             'weight_goal_short' => 'Objectif poids',
             'pace_preference' => 'Rythme',
+            'onboarding_completed_at' => 'Profil nutritionnel complété le',
             'created_at' => 'Créé le',
             'updated_at' => 'Mis à jour le',
         ],
diff --git a/lang/fr/api.php b/lang/fr/api.php
index 780b115..07c721e 100644
--- a/lang/fr/api.php
+++ b/lang/fr/api.php
@@ -125,6 +125,32 @@ return [
         'blocked' => 'Utilisateur bloqué.',
         'cannot_block_self' => 'Vous ne pouvez pas vous bloquer vous-même.',
     ],
+    'nutrition' => [
+        'onboarding_required' => 'Termine ton profil nutritionnel avant de continuer.',
+        'weekly_adjustment_unavailable' => 'Aucun ajustement hebdomadaire n’est disponible.',
+        'weekly_adjustment_already_accepted' => 'Cet ajustement a déjà été appliqué.',
+        'weekly_adjustment_stale' => 'Ton plan a changé depuis ce bilan. Génère un nouveau bilan avant de l’adapter.',
+        'validation' => [
+            'adults_only' => 'Le calcul automatique est réservé aux personnes majeures.',
+            'birth_date_range' => 'La date de naissance saisie ne peut pas être utilisée pour ce calcul.',
+            'sex_reference' => 'Choisis la référence de calcul femme ou homme.',
+            'estimate_acceptance' => 'Tu dois confirmer avoir compris qu’il s’agit d’une estimation.',
+            'target_lower' => 'Le poids cible doit être inférieur au poids actuel.',
+            'target_higher' => 'Le poids cible doit être supérieur au poids actuel.',
+        ],
+        'weekly_review' => [
+            'insufficient_tracking' => 'Ajoute au moins 5 journées de repas et 4 pesées réparties sur deux semaines pour obtenir une recommandation.',
+            'insufficient_adherence' => 'Le suivi alimentaire est encore trop éloigné du plan pour proposer un ajustement fiable.',
+            'on_track' => 'Ta tendance de poids est cohérente avec ton objectif. Le plan reste inchangé.',
+            'plan_changed' => 'Ton plan a changé depuis cette période. Continue le suivi avec le nouveau plan avant de l’adapter.',
+            'loss_slower' => 'La perte est plus lente que prévu. Une baisse légère du budget est proposée.',
+            'loss_faster' => 'La perte est plus rapide que prévu. Une hausse légère du budget est proposée.',
+            'gain_slower' => 'La prise est plus lente que prévu. Une hausse légère du budget est proposée.',
+            'gain_faster' => 'La prise est plus rapide que prévu. Une baisse légère du budget est proposée.',
+            'maintenance_down' => 'Le poids tend à baisser. Une hausse légère du budget est proposée.',
+            'maintenance_up' => 'Le poids tend à monter. Une baisse légère du budget est proposée.',
+        ],
+    ],
     'validation' => [
         'image_required' => 'Ajoute une image à analyser.',
         'image_file' => 'Le fichier doit être une image.',
@@ -134,9 +160,6 @@ return [
         'visibility_valid' => 'Choisis une visibilité valide.',
         'month_valid' => 'Choisis un mois valide.',
         'calories_integer' => 'Les calories doivent être un nombre entier.',
-        'nutrition_goals_required' => 'Renseigne tous les objectifs nutritionnels.',
-        'nutrition_goals_positive' => 'Les objectifs nutritionnels doivent être positifs.',
-        'nutrition_goals_max' => 'La valeur de cet objectif nutritionnel est trop élevée.',
         'report_reason_required' => 'Choisis une raison de signalement.',
         'report_reason_valid' => 'Choisis une raison de signalement valide.',
         'report_details_max' => 'Le détail du signalement ne doit pas dépasser 2000 caractères.',
diff --git a/routes/api.php b/routes/api.php
index 6260b1e..b6d3bd2 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -9,6 +9,9 @@ use App\Http\Controllers\MealImageAnalysisController;
 use App\Http\Controllers\MealPostController;
 use App\Http\Controllers\NotificationController;
 use App\Http\Controllers\NotificationPreferenceController;
+use App\Http\Controllers\NutritionOnboardingController;
+use App\Http\Controllers\NutritionPlanController;
+use App\Http\Controllers\NutritionProfileController;
 use App\Http\Controllers\PostReviewsController;
 use App\Http\Controllers\PublicUserProfileController;
 use App\Http\Controllers\ReportController;
@@ -16,6 +19,8 @@ use App\Http\Controllers\RevenueCatController;
 use App\Http\Controllers\SearchController;
 use App\Http\Controllers\StravaController;
 use App\Http\Controllers\UserBlockController;
+use App\Http\Controllers\WeeklyReviewController;
+use App\Http\Controllers\WeightEntryController;
 use App\Http\Controllers\WorkoutSessionController;
 use Illuminate\Support\Facades\Route;
 
@@ -59,6 +64,32 @@ Route::prefix('legal-documents')->group(function (): void {
 });
 
 Route::middleware(['auth:sanctum', 'verified', 'not_suspended'])->group(function (): void {
+    Route::post('nutrition-onboarding', NutritionOnboardingController::class)
+        ->middleware('throttle:account-action')
+        ->name('nutrition-onboarding.complete');
+});
+
+Route::middleware(['auth:sanctum', 'verified', 'not_suspended', 'onboarded'])->group(function (): void {
+    Route::patch('nutrition-profile', NutritionProfileController::class)
+        ->middleware('throttle:account-action')
+        ->name('nutrition-profile.update');
+    Route::get('nutrition-plans', [NutritionPlanController::class, 'index'])->name('nutrition-plans.index');
+    Route::get('nutrition-plans/current', [NutritionPlanController::class, 'current'])->name('nutrition-plans.current');
+    Route::get('weight-entries', [WeightEntryController::class, 'index'])->name('weight-entries.index');
+    Route::post('weight-entries', [WeightEntryController::class, 'store'])
+        ->middleware('throttle:content-write')
+        ->name('weight-entries.store');
+    Route::delete('weight-entries/{weightEntry}', [WeightEntryController::class, 'destroy'])
+        ->middleware('throttle:content-write')
+        ->name('weight-entries.destroy');
+    Route::get('weekly-reviews', [WeeklyReviewController::class, 'index'])->name('weekly-reviews.index');
+    Route::get('weekly-reviews/current', [WeeklyReviewController::class, 'current'])->name('weekly-reviews.current');
+    Route::post('weekly-reviews/{weeklyReview}/accept', [WeeklyReviewController::class, 'accept'])
+        ->middleware('throttle:account-action')
+        ->name('weekly-reviews.accept');
+});
+
+Route::middleware(['auth:sanctum', 'verified', 'not_suspended', 'onboarded'])->group(function (): void {
     Route::post('device-tokens', [DeviceTokenController::class, 'store'])->middleware('throttle:device-token');
     Route::delete('device-tokens', [DeviceTokenController::class, 'destroy'])->middleware('throttle:device-token');
     Route::get('notifications', [NotificationController::class, 'index'])->name('notifications.index');
@@ -74,13 +105,13 @@ Route::post('webhooks/revenuecat', [RevenueCatController::class, 'webhook'])
     ->name('revenuecat.webhook');
 
 // Billing
-Route::middleware(['auth:sanctum', 'verified', 'not_suspended'])->prefix('billing')->group(function (): void {
+Route::middleware(['auth:sanctum', 'verified', 'not_suspended', 'onboarded'])->prefix('billing')->group(function (): void {
     Route::post('sync', [RevenueCatController::class, 'sync'])
         ->middleware('throttle:account-action')
         ->name('billing.sync');
 });
 
-Route::middleware(['auth:sanctum', 'verified', 'not_suspended'])
+Route::middleware(['auth:sanctum', 'verified', 'not_suspended', 'onboarded'])
     ->prefix('certification')
     ->group(function (): void {
         Route::get('/', [CertificationController::class, 'show'])->name('certification.show');
@@ -90,7 +121,7 @@ Route::middleware(['auth:sanctum', 'verified', 'not_suspended'])
     });
 
 // Workouts
-Route::middleware(['auth:sanctum', 'verified', 'not_suspended'])->group(function (): void {
+Route::middleware(['auth:sanctum', 'verified', 'not_suspended', 'onboarded'])->group(function (): void {
     Route::get('workouts/calendar', [WorkoutSessionController::class, 'calendar'])->name('workouts.calendar');
     Route::get('workouts', [WorkoutSessionController::class, 'index'])->name('workouts.index');
     Route::post('workouts', [WorkoutSessionController::class, 'store'])->middleware('throttle:content-write')->name('workouts.store');
@@ -102,7 +133,7 @@ Route::middleware(['auth:sanctum', 'verified', 'not_suspended'])->group(function
 });
 
 // Meals
-Route::middleware(['auth:sanctum', 'verified', 'not_suspended'])->group(function (): void {
+Route::middleware(['auth:sanctum', 'verified', 'not_suspended', 'onboarded'])->group(function (): void {
     Route::get('search', SearchController::class)->name('search');
     Route::get('users/{user}', [PublicUserProfileController::class, 'show'])->name('users.show');
     Route::get('me/blocked-users', [UserBlockController::class, 'index'])->name('users.blocks.index');
diff --git a/tests/Feature/EmailVerificationTest.php b/tests/Feature/EmailVerificationTest.php
index cd38716..75b3e00 100644
--- a/tests/Feature/EmailVerificationTest.php
+++ b/tests/Feature/EmailVerificationTest.php
@@ -1,9 +1,5 @@
 <?php
 
-use App\Enums\PacePreference;
-use App\Enums\PhysicalActivityLevel;
-use App\Enums\UserSex;
-use App\Enums\WeightGoal;
 use App\Mail\VerifyAccount;
 use App\Models\User;
 use Illuminate\Auth\Notifications\VerifyEmail;
@@ -22,11 +18,6 @@ it('sends a verification email when a user registers', function () {
         'email' => 'leon@example.com',
         'password' => 'Motsdfdepasse123*',
         'locale' => 'fr-FR',
-        'physicalActivityLevel' => PhysicalActivityLevel::LIGHTLY_ACTIVE->value,
-        'weightGoal' => WeightGoal::MAINTAIN_WEIGHT->value,
-        'pacePreference' => PacePreference::NORMAL->value,
-        'sex' => UserSex::WOMAN->value,
-        'dateOfBirth' => '2003-04-24',
         'termsAccepted' => true,
     ])
         ->assertCreated()
@@ -35,11 +26,8 @@ it('sends a verification email when a user registers', function () {
         ->assertJsonPath('user.emailVerified', false)
         ->assertJsonPath('user.analysisAccessLevel', 'free')
         ->assertJsonPath('user.canAnalyzeMeals', false)
-        ->assertJsonPath('user.physicalActivityLevel', PhysicalActivityLevel::LIGHTLY_ACTIVE->value)
-        ->assertJsonPath('user.weightGoal', WeightGoal::MAINTAIN_WEIGHT->value)
-        ->assertJsonPath('user.pacePreference', PacePreference::NORMAL->value)
-        ->assertJsonPath('user.sex', UserSex::WOMAN->value)
-        ->assertJsonPath('user.dateOfBirth', '2003-04-24')
+        ->assertJsonPath('user.onboardingStatus', 'required')
+        ->assertJsonPath('user.nutritionGoals', null)
         ->assertCookieMissing('token');
 
     $user = User::where('email', 'leon@example.com')->firstOrFail();
@@ -51,13 +39,13 @@ it('sends a verification email when a user registers', function () {
     $this->assertDatabaseHas('users', [
         'id' => $user->id,
         'locale' => 'fr',
-        'physical_activity_level' => PhysicalActivityLevel::LIGHTLY_ACTIVE->value,
-        'weight_goal' => WeightGoal::MAINTAIN_WEIGHT->value,
-        'pace_preference' => PacePreference::NORMAL->value,
-        'sex' => UserSex::WOMAN->value,
+        'physical_activity_level' => null,
+        'weight_goal' => null,
+        'pace_preference' => null,
+        'sex' => null,
     ]);
 
-    expect($user->date_of_birth?->toDateString())->toBe('2003-04-24');
+    expect($user->date_of_birth)->toBeNull();
 
     Notification::assertSentTo($user, VerifyEmail::class);
 });
@@ -75,7 +63,7 @@ it('returns a temporary error when the verification email cannot be sent during
         'termsAccepted' => true,
     ])
         ->assertServiceUnavailable()
-        ->assertJsonPath('message', __('api.auth.verification_email_failed'));
+        ->assertJsonPath('code', 'VERIFICATION_EMAIL_FAILED');
 
     $this->assertDatabaseMissing('users', [
         'email' => 'leon@example.com',
@@ -91,16 +79,12 @@ it('registers mobile users with a bearer token', function () {
         'password' => 'Motsdfdepasse123*',
         'deviceName' => 'Bowli Android',
         'locale' => 'fr-FR',
-        'physicalActivityLevel' => PhysicalActivityLevel::LIGHTLY_ACTIVE->value,
-        'weightGoal' => WeightGoal::MAINTAIN_WEIGHT->value,
-        'pacePreference' => PacePreference::NORMAL->value,
-        'sex' => UserSex::MAN->value,
-        'dateOfBirth' => '2003-04-24',
         'termsAccepted' => true,
     ])
         ->assertCreated()
         ->assertJsonPath('user.email', 'mobile.leon@example.com')
         ->assertJsonPath('user.emailVerified', false)
+        ->assertJsonPath('user.onboardingStatus', 'required')
         ->assertJsonStructure(['token'])
         ->assertCookieMissing('token');
 
@@ -183,7 +167,7 @@ it('generates verification links with a relative signature', function () {
         ->withServerVariables(['HTTP_HOST' => 'different-host.test'])
         ->getJson($requestUrl)
         ->assertOk()
-        ->assertJsonPath('message', __('api.auth.verified'));
+        ->assertJsonPath('code', 'EMAIL_VERIFIED');
 
     expect($user->fresh()->hasVerifiedEmail())->toBeTrue();
 });
@@ -197,7 +181,7 @@ it('verifies a user from a signed email link', function () {
 
     $this->getJson($url)
         ->assertOk()
-        ->assertJsonPath('message', __('api.auth.verified'))
+        ->assertJsonPath('code', 'EMAIL_VERIFIED')
         ->assertJsonPath('user.emailVerified', true);
 
     expect($user->fresh()->hasVerifiedEmail())->toBeTrue();
@@ -225,7 +209,7 @@ it('blocks login for unverified users', function () {
         'password' => 'password',
     ])
         ->assertForbidden()
-        ->assertJsonPath('message', __('api.auth.email_not_verified'))
+        ->assertJsonPath('code', 'EMAIL_NOT_VERIFIED')
         ->assertCookieMissing('token');
 
     $this->assertDatabaseMissing('personal_access_tokens', [
@@ -288,7 +272,7 @@ it('logs out mobile users by deleting the current bearer token', function () {
         ->withToken($token)
         ->postJson('/api/auth/logout')
         ->assertOk()
-        ->assertJsonPath('message', __('api.auth.logout'));
+        ->assertJsonPath('code', 'LOGGED_OUT');
 
     $this->assertDatabaseMissing('personal_access_tokens', [
         'name' => 'Bowli iOS',
@@ -305,7 +289,7 @@ it('resends a verification email for an unverified user without authentication',
         'email' => $user->email,
     ])
         ->assertOk()
-        ->assertJsonPath('message', __('api.auth.verification_sent_if_unverified'));
+        ->assertJsonPath('code', 'VERIFICATION_EMAIL_SENT_IF_UNVERIFIED');
 
     Notification::assertSentTo($user, VerifyEmail::class);
 });
@@ -319,13 +303,13 @@ it('does not reveal whether an email can receive a verification email', function
         'email' => $verifiedUser->email,
     ])
         ->assertOk()
-        ->assertJsonPath('message', __('api.auth.verification_sent_if_unverified'));
+        ->assertJsonPath('code', 'VERIFICATION_EMAIL_SENT_IF_UNVERIFIED');
 
     $this->postJson('/api/auth/email/verification-notification', [
         'email' => 'missing@example.com',
     ])
         ->assertOk()
-        ->assertJsonPath('message', __('api.auth.verification_sent_if_unverified'));
+        ->assertJsonPath('code', 'VERIFICATION_EMAIL_SENT_IF_UNVERIFIED');
 
     Notification::assertNothingSent();
 });
diff --git a/tests/Feature/NutritionOnboardingTest.php b/tests/Feature/NutritionOnboardingTest.php
new file mode 100644
index 0000000..1adb08f
--- /dev/null
+++ b/tests/Feature/NutritionOnboardingTest.php
@@ -0,0 +1,93 @@
+<?php
+
+use App\Enums\PacePreference;
+use App\Enums\PhysicalActivityLevel;
+use App\Enums\UserSex;
+use App\Enums\WeightGoal;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Laravel\Sanctum\Sanctum;
+
+uses(RefreshDatabase::class);
+
+function onboardingPayload(array $overrides = []): array
+{
+    return [
+        'dateOfBirth' => '1992-04-18',
+        'sex' => UserSex::WOMAN->value,
+        'heightCm' => 168,
+        'weightKg' => 72.4,
+        'targetWeightKg' => 66,
+        'physicalActivityLevel' => PhysicalActivityLevel::MODERATELY_ACTIVE->value,
+        'weightGoal' => WeightGoal::LOSE_WEIGHT->value,
+        'pacePreference' => PacePreference::NORMAL->value,
+        'nutritionEstimateAccepted' => true,
+        ...$overrides,
+    ];
+}
+
+it('returns an explicit onboarding state and blocks application endpoints', function () {
+    $user = User::factory()->withoutNutritionOnboarding()->create();
+    Sanctum::actingAs($user);
+
+    $this->getJson('/api/auth/me')
+        ->assertOk()
+        ->assertJsonPath('data.onboardingStatus', 'required')
+        ->assertJsonPath('data.nutritionGoals', null)
+        ->assertJsonPath('data.currentWeight', null);
+
+    $this->getJson('/api/meal-posts/stats?period=day&date=2026-08-14')
+        ->assertStatus(409)
+        ->assertJsonPath('code', 'ONBOARDING_REQUIRED')
+        ->assertJsonMissingPath('message');
+});
+
+it('completes onboarding atomically and returns the calculated plan', function () {
+    $user = User::factory()->withoutNutritionOnboarding()->create();
+    Sanctum::actingAs($user);
+
+    $response = $this->postJson('/api/nutrition-onboarding', onboardingPayload());
+
+    $response
+        ->assertOk()
+        ->assertJsonPath('data.onboardingStatus', 'completed')
+        ->assertJsonPath('data.height', 168)
+        ->assertJsonPath('data.currentWeight', 72.4)
+        ->assertJsonPath('data.targetWeight', 66)
+        ->assertJsonPath('data.nutritionPlan.formulaVersion', 'mifflin_st_jeor_v1')
+        ->assertJsonPath('data.nutritionPlan.source', 'onboarding');
+
+    expect($response->json('data.nutritionGoals.calories'))->toBeGreaterThan(1200);
+
+    $this->assertDatabaseCount('weight_entries', 1);
+    $this->assertDatabaseCount('nutrition_plans', 1);
+    expect($user->fresh()->onboarding_completed_at)->not->toBeNull();
+});
+
+it('is idempotent when the completion response is retried', function () {
+    $user = User::factory()->withoutNutritionOnboarding()->create();
+    Sanctum::actingAs($user);
+
+    $this->postJson('/api/nutrition-onboarding', onboardingPayload())->assertOk();
+    $this->postJson('/api/nutrition-onboarding', onboardingPayload())->assertOk();
+
+    $this->assertDatabaseCount('weight_entries', 1);
+    $this->assertDatabaseCount('nutrition_plans', 1);
+});
+
+it('validates adult age, formula reference and target direction', function () {
+    Sanctum::actingAs(User::factory()->withoutNutritionOnboarding()->create());
+
+    $this->postJson('/api/nutrition-onboarding', onboardingPayload([
+        'dateOfBirth' => now()->subYears(17)->toDateString(),
+        'sex' => UserSex::OTHER->value,
+        'targetWeightKg' => 80,
+    ]))
+        ->assertUnprocessable()
+        ->assertJsonValidationErrors(['dateOfBirth', 'sex', 'targetWeightKg'])
+        ->assertJsonPath('code', 'VALIDATION_ERROR')
+        ->assertJsonPath('errors.dateOfBirth.0', 'NUTRITION_ADULTS_ONLY')
+        ->assertJsonPath('errors.sex.0', 'NUTRITION_METABOLIC_SEX_REQUIRED')
+        ->assertJsonPath('errors.targetWeightKg.0', 'NUTRITION_TARGET_WEIGHT_MUST_BE_LOWER')
+        ->assertJsonMissingPath('message');
+});
diff --git a/tests/Feature/UserNutritionGoalsTest.php b/tests/Feature/UserNutritionGoalsTest.php
index 7450dc4..85f2e69 100644
--- a/tests/Feature/UserNutritionGoalsTest.php
+++ b/tests/Feature/UserNutritionGoalsTest.php
@@ -11,11 +11,12 @@ use Laravel\Sanctum\Sanctum;
 uses(RefreshDatabase::class);
 
 it('returns nutrition goals with the authenticated user', function () {
-    $user = User::factory()->create([
-        'daily_calorie_goal' => 2400,
-        'daily_protein_goal' => 140,
-        'daily_carbs_goal' => 280,
-        'daily_fats_goal' => 80,
+    $user = User::factory()->create();
+    $user->nutritionPlans()->where('is_active', true)->update([
+        'calories' => 2400,
+        'proteins' => 140,
+        'carbs' => 280,
+        'fats' => 80,
     ]);
 
     Sanctum::actingAs($user);
@@ -29,52 +30,48 @@ it('returns nutrition goals with the authenticated user', function () {
         ->assertJsonPath('data.nutritionGoals.fats', 80);
 });
 
-it('updates nutrition goals for the authenticated user', function () {
+it('recalculates nutrition goals from the complete profile', function () {
     $user = User::factory()->create();
 
     Sanctum::actingAs($user);
 
-    $response = $this->patchJson('/api/auth/me', [
-        'nutritionGoals' => [
-            'calories' => 2200,
-            'proteins' => 135.5,
-            'carbs' => 260,
-            'fats' => 75.25,
-        ],
+    $response = $this->patchJson('/api/nutrition-profile', [
+        'dateOfBirth' => '1991-06-12',
+        'sex' => UserSex::MAN->value,
+        'heightCm' => 182,
+        'weightKg' => 84,
+        'targetWeightKg' => 78,
+        'physicalActivityLevel' => PhysicalActivityLevel::VERY_ACTIVE->value,
+        'weightGoal' => WeightGoal::LOSE_WEIGHT->value,
+        'pacePreference' => PacePreference::NORMAL->value,
     ]);
 
     $response
         ->assertOk()
-        ->assertJsonPath('data.nutritionGoals.calories', 2200)
-        ->assertJsonPath('data.nutritionGoals.proteins', 135.5)
-        ->assertJsonPath('data.nutritionGoals.carbs', 260)
-        ->assertJsonPath('data.nutritionGoals.fats', 75.25);
+        ->assertJsonPath('data.nutritionPlan.source', 'profile_recalculation')
+        ->assertJsonPath('data.currentWeight', 84)
+        ->assertJsonPath('data.targetWeight', 78);
 
-    $this->assertDatabaseHas('users', [
-        'id' => $user->id,
-        'daily_calorie_goal' => 2200,
-        'daily_protein_goal' => 135.5,
-        'daily_carbs_goal' => 260,
-        'daily_fats_goal' => 75.25,
-    ]);
+    expect($response->json('data.nutritionGoals.calories'))->toBeGreaterThan(1200);
+    $this->assertDatabaseCount('nutrition_plans', 2);
+    $this->assertDatabaseCount('weight_entries', 2);
+    $this->assertDatabaseHas('nutrition_plans', ['is_active' => false]);
 });
 
-it('validates nutrition goals', function () {
-    Sanctum::actingAs(User::factory()->create());
+it('does not allow direct nutrition goal overrides through the account endpoint', function () {
+    $user = User::factory()->create();
+    Sanctum::actingAs($user);
 
     $this->patchJson('/api/auth/me', [
         'nutritionGoals' => [
-            'calories' => -1,
-            'proteins' => 'abc',
+            'calories' => 9000,
+            'proteins' => 1,
+            'carbs' => 1,
+            'fats' => 1,
         ],
     ])
-        ->assertUnprocessable()
-        ->assertJsonValidationErrors([
-            'nutritionGoals.calories',
-            'nutritionGoals.proteins',
-            'nutritionGoals.carbs',
-            'nutritionGoals.fats',
-        ]);
+        ->assertOk()
+        ->assertJsonPath('data.nutritionGoals.calories', 2200);
 });
 
 it('returns profile preferences with the authenticated user', function () {
@@ -98,25 +95,25 @@ it('updates profile preferences for the authenticated user', function () {
 
     Sanctum::actingAs($user);
 
-    $this->patchJson('/api/auth/me', [
+    $this->patchJson('/api/nutrition-profile', [
         'physicalActivityLevel' => PhysicalActivityLevel::MODERATELY_ACTIVE->value,
         'weightGoal' => WeightGoal::MAINTAIN_WEIGHT->value,
         'pacePreference' => PacePreference::NORMAL->value,
         'sex' => UserSex::MAN->value,
         'dateOfBirth' => '2003-04-24',
-        'locale' => 'fr-FR',
+        'heightCm' => 180,
+        'weightKg' => 75,
+        'targetWeightKg' => null,
     ])
         ->assertOk()
         ->assertJsonPath('data.physicalActivityLevel', PhysicalActivityLevel::MODERATELY_ACTIVE->value)
         ->assertJsonPath('data.weightGoal', WeightGoal::MAINTAIN_WEIGHT->value)
         ->assertJsonPath('data.pacePreference', PacePreference::NORMAL->value)
         ->assertJsonPath('data.sex', UserSex::MAN->value)
-        ->assertJsonPath('data.locale', 'fr')
         ->assertJsonPath('data.dateOfBirth', '2003-04-24');
 
     $this->assertDatabaseHas('users', [
         'id' => $user->id,
-        'locale' => 'fr',
         'physical_activity_level' => PhysicalActivityLevel::MODERATELY_ACTIVE->value,
         'weight_goal' => WeightGoal::MAINTAIN_WEIGHT->value,
         'pace_preference' => PacePreference::NORMAL->value,
@@ -129,13 +126,14 @@ it('updates profile preferences for the authenticated user', function () {
 it('validates profile preferences', function () {
     Sanctum::actingAs(User::factory()->create());
 
-    $this->patchJson('/api/auth/me', [
+    $this->patchJson('/api/nutrition-profile', [
         'physicalActivityLevel' => 'daily',
         'weightGoal' => 'bulk',
         'pacePreference' => 'urgent',
         'sex' => 'x',
-        'locale' => 'es',
         'dateOfBirth' => 'tomorrow',
+        'heightCm' => 20,
+        'weightKg' => 5,
     ])
         ->assertUnprocessable()
         ->assertJsonValidationErrors([
@@ -143,7 +141,8 @@ it('validates profile preferences', function () {
             'weightGoal',
             'pacePreference',
             'sex',
-            'locale',
             'dateOfBirth',
+            'heightCm',
+            'weightKg',
         ]);
 });
diff --git a/tests/Feature/WeeklyReviewTest.php b/tests/Feature/WeeklyReviewTest.php
new file mode 100644
index 0000000..69b2715
--- /dev/null
+++ b/tests/Feature/WeeklyReviewTest.php
@@ -0,0 +1,132 @@
+<?php
+
+use App\Enums\PacePreference;
+use App\Enums\WeeklyReviewStatus;
+use App\Enums\WeightGoal;
+use App\Models\MealPosts;
+use App\Models\NutritionPlan;
+use App\Models\User;
+use Carbon\CarbonImmutable;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Laravel\Sanctum\Sanctum;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    CarbonImmutable::setTestNow('2026-08-17 10:00:00');
+});
+
+afterEach(function () {
+    CarbonImmutable::setTestNow();
+});
+
+it('returns an insufficient data review without changing the plan', function () {
+    $user = User::factory()->create();
+    Sanctum::actingAs($user);
+
+    $this->getJson('/api/weekly-reviews/current')
+        ->assertOk()
+        ->assertJsonPath('data.periodStart', '2026-08-10')
+        ->assertJsonPath('data.periodEnd', '2026-08-16')
+        ->assertJsonPath('data.status', WeeklyReviewStatus::INSUFFICIENT_DATA->value)
+        ->assertJsonPath('data.recommendedCalorieAdjustment', 0);
+
+    $this->assertDatabaseCount('nutrition_plans', 1);
+});
+
+it('proposes and applies a small confirmed adjustment', function () {
+    $user = User::factory()->create([
+        'weight_goal' => WeightGoal::LOSE_WEIGHT,
+        'pace_preference' => PacePreference::NORMAL,
+    ]);
+    $user->weightEntries()->delete();
+
+    foreach ([
+        ['2026-08-03 07:00:00', 70.0],
+        ['2026-08-07 07:00:00', 69.98],
+        ['2026-08-12 07:00:00', 69.95],
+        ['2026-08-16 07:00:00', 69.90],
+    ] as [$measuredAt, $weightKg]) {
+        $user->weightEntries()->create([
+            'weight_kg' => $weightKg,
+            'measured_at' => $measuredAt,
+        ]);
+    }
+
+    foreach (range(10, 14) as $day) {
+        MealPosts::factory()->for($user, 'user')->create([
+            'calories' => 2200,
+            'proteins' => 112,
+            'carbs' => 286,
+            'fats' => 61,
+            'eaten_at' => "2026-08-{$day} 12:00:00",
+        ]);
+    }
+
+    Sanctum::actingAs($user);
+
+    $reviewResponse = $this->getJson('/api/weekly-reviews/current')
+        ->assertOk()
+        ->assertJsonPath('data.status', WeeklyReviewStatus::ADJUSTMENT_RECOMMENDED->value)
+        ->assertJsonPath('data.recommendedCalorieAdjustment', -100);
+
+    $reviewId = $reviewResponse->json('data.id');
+
+    $this->postJson("/api/weekly-reviews/{$reviewId}/accept")
+        ->assertCreated()
+        ->assertJsonPath('data.source', 'weekly_adjustment');
+
+    $this->assertDatabaseCount('nutrition_plans', 2);
+    $this->assertDatabaseHas('weekly_reviews', [
+        'id' => $reviewId,
+        'recommended_calorie_adjustment' => -100,
+    ]);
+
+    expect($user->weeklyReviews()->findOrFail($reviewId)->accepted_at)->not->toBeNull();
+});
+
+it('does not allow accepting another users review', function () {
+    $user = User::factory()->create();
+    $otherUser = User::factory()->create();
+    $review = $otherUser->weeklyReviews()->create([
+        'period_start' => '2026-08-10',
+        'period_end' => '2026-08-16',
+        'status' => WeeklyReviewStatus::ADJUSTMENT_RECOMMENDED,
+        'recommended_calorie_adjustment' => -100,
+        'message_code' => 'WEEKLY_REVIEW_ADJUSTMENT',
+        'metrics' => [],
+        'generated_at' => now(),
+    ]);
+    Sanctum::actingAs($user);
+
+    $this->postJson("/api/weekly-reviews/{$review->id}/accept")->assertNotFound();
+});
+
+it('rejects an adjustment generated for a plan that is no longer active', function () {
+    $user = User::factory()->create();
+    $previousPlan = $user->nutritionPlans()->where('is_active', true)->firstOrFail();
+    $review = $user->weeklyReviews()->create([
+        'nutrition_plan_id' => $previousPlan->getKey(),
+        'period_start' => '2026-08-10',
+        'period_end' => '2026-08-16',
+        'status' => WeeklyReviewStatus::ADJUSTMENT_RECOMMENDED,
+        'recommended_calorie_adjustment' => -100,
+        'message_code' => 'WEEKLY_REVIEW_ADJUSTMENT',
+        'metrics' => [],
+        'generated_at' => now(),
+    ]);
+    $previousPlan->update([
+        'is_active' => false,
+        'effective_until' => now(),
+    ]);
+    NutritionPlan::factory()->for($user)->create([
+        'is_active' => true,
+        'effective_from' => now()->addMinute(),
+    ]);
+    Sanctum::actingAs($user);
+
+    $this->postJson("/api/weekly-reviews/{$review->id}/accept")
+        ->assertStatus(409);
+
+    expect($review->fresh()->accepted_at)->toBeNull();
+});
diff --git a/tests/Feature/WeightEntryTest.php b/tests/Feature/WeightEntryTest.php
new file mode 100644
index 0000000..cdbef11
--- /dev/null
+++ b/tests/Feature/WeightEntryTest.php
@@ -0,0 +1,46 @@
+<?php
+
+use App\Models\User;
+use App\Models\WeightEntry;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Laravel\Sanctum\Sanctum;
+
+uses(RefreshDatabase::class);
+
+it('stores and lists the authenticated user weight history', function () {
+    $user = User::factory()->create();
+    Sanctum::actingAs($user);
+
+    $this->postJson('/api/weight-entries', [
+        'weightKg' => 69.35,
+        'measuredAt' => '2026-08-10T07:30:00Z',
+    ])
+        ->assertCreated()
+        ->assertJsonPath('data.weightKg', 69.35);
+
+    $this->getJson('/api/weight-entries?days=365')
+        ->assertOk()
+        ->assertJsonPath('data.0.weightKg', 70)
+        ->assertJsonPath('data.1.weightKg', 69.35);
+});
+
+it('does not allow deleting another users weight entry', function () {
+    $user = User::factory()->create();
+    $otherUser = User::factory()->create();
+    $entry = WeightEntry::factory()->for($otherUser)->create();
+    Sanctum::actingAs($user);
+
+    $this->deleteJson("/api/weight-entries/{$entry->id}")->assertNotFound();
+    $this->assertModelExists($entry);
+});
+
+it('validates weight measurements', function () {
+    Sanctum::actingAs(User::factory()->create());
+
+    $this->postJson('/api/weight-entries', [
+        'weightKg' => 10,
+        'measuredAt' => now()->addDay()->toISOString(),
+    ])
+        ->assertUnprocessable()
+        ->assertJsonValidationErrors(['weightKg', 'measuredAt']);
+});
diff --git a/tests/Unit/NutritionPlanCalculatorTest.php b/tests/Unit/NutritionPlanCalculatorTest.php
new file mode 100644
index 0000000..7257323
--- /dev/null
+++ b/tests/Unit/NutritionPlanCalculatorTest.php
@@ -0,0 +1,70 @@
+<?php
+
+use App\Enums\PacePreference;
+use App\Enums\PhysicalActivityLevel;
+use App\Enums\UserSex;
+use App\Enums\WeightGoal;
+use App\Services\NutritionPlanCalculator;
+use Carbon\CarbonImmutable;
+
+beforeEach(function () {
+    CarbonImmutable::setTestNow('2026-08-14 10:00:00');
+});
+
+afterEach(function () {
+    CarbonImmutable::setTestNow();
+});
+
+it('calculates a reproducible maintenance plan', function () {
+    $plan = (new NutritionPlanCalculator)->calculate(
+        weightKg: 80,
+        heightCm: 180,
+        dateOfBirth: CarbonImmutable::parse('1996-08-14'),
+        sex: UserSex::MAN,
+        activityLevel: PhysicalActivityLevel::MODERATELY_ACTIVE,
+        weightGoal: WeightGoal::MAINTAIN_WEIGHT,
+        pacePreference: PacePreference::NORMAL,
+    );
+
+    expect($plan)
+        ->formula_version->toBe('mifflin_st_jeor_v1')
+        ->resting_metabolism->toBe(1780)
+        ->maintenance_calories->toBe(2760)
+        ->calorie_adjustment_percent->toBe(0.0)
+        ->proteins->toBe(128)
+        ->fats->toBe(77)
+        ->carbs->toBe(389)
+        ->calories->toBe(2761)
+        ->and(($plan['proteins'] * 4) + ($plan['carbs'] * 4) + ($plan['fats'] * 9))
+        ->toBe($plan['calories']);
+});
+
+it('applies bounded loss and gain adjustments', function (WeightGoal $goal, PacePreference $pace, float $expectedAdjustment) {
+    $plan = (new NutritionPlanCalculator)->calculate(
+        weightKg: 60,
+        heightCm: 165,
+        dateOfBirth: CarbonImmutable::parse('1990-01-01'),
+        sex: UserSex::WOMAN,
+        activityLevel: PhysicalActivityLevel::LIGHTLY_ACTIVE,
+        weightGoal: $goal,
+        pacePreference: $pace,
+    );
+
+    expect($plan['calorie_adjustment_percent'])->toBe($expectedAdjustment)
+        ->and($plan['calories'])->toBeGreaterThanOrEqual(1200);
+})->with([
+    'normal loss' => [WeightGoal::LOSE_WEIGHT, PacePreference::NORMAL, -0.15],
+    'fast gain' => [WeightGoal::GAIN_WEIGHT, PacePreference::FAST, 0.15],
+]);
+
+it('rejects a non binary metabolic calculation reference', function () {
+    (new NutritionPlanCalculator)->calculate(
+        weightKg: 70,
+        heightCm: 170,
+        dateOfBirth: CarbonImmutable::parse('1990-01-01'),
+        sex: UserSex::UNKNOWN,
+        activityLevel: PhysicalActivityLevel::SEDENTARY,
+        weightGoal: WeightGoal::MAINTAIN_WEIGHT,
+        pacePreference: PacePreference::SLOW,
+    );
+})->throws(InvalidArgumentException::class);