Explore the ~/Apps/ directory to understand:
1. Structure of existing iOS/macOS apps
2. Common patterns used (SwiftUI vs UIKit, architecture patterns like MVVM)
3. Any existing finance-related apps or code
4. Look at 2-3 apps to understand the typical project structure

Focus on: ProductivityHub-iOS, MonitoringHub-iOS, and any macOS apps in ~/Apps/macOS/

Return a summary of the patterns found.


I'll explore the ~/Apps/ directory to understand the structure and patterns used in the existing iOS and macOS apps.


Bash

ls -la /Users/neog/Apps/ 2>/dev/null | head -20

List the contents of ~/Apps/ directory


find /Users/neog/Apps -maxdepth 2 -type d -name "*.xcodeproj" 2>/dev/null | head -20

Find all Xcode projects in the Apps directory


total 16
drwxr-xr-x@   5 neog  staff   160 Dec 21 21:47 .
drwxr-x---+ 145 neog  staff  4640 Dec 23 05:47 ..
-rw-r--r--@   1 neog  staff  6148 Dec 21 21:47 .DS_Store
drwxr-xr-x@  36 neog  staff  1152 Dec 23 05:26 iOS
drwxr-xr-x@  15 neog  staff   480 Dec 22 18:26 macOS


Now let me explore the iOS and macOS app structure:


ls -la /Users/neog/Apps/iOS/ 2>/dev/null

List iOS apps in the Apps directory


ls -la /Users/neog/Apps/macOS/ 2>/dev/null

List macOS apps in the Apps directory


total 24
drwxr-xr-x@ 15 neog  staff    480 Dec 22 18:26 .
drwxr-xr-x@  5 neog  staff    160 Dec 21 21:47 ..
-rw-r--r--@  1 neog  staff  10244 Dec 22 05:04 .DS_Store
drwx------@ 20 neog  staff    640 Dec  4 20:49 17Licoes-macOS
drwxr-xr-x@ 12 neog  staff    384 Dec 17 21:05 AnatoMed-macOS
drwxr-xr-x@  8 neog  staff    256 Dec  5 03:32 AroundMe-macOS
drwxr-xr-x@  7 neog  staff    224 Dec 22 03:17 ClaudeCodeAI
drwxr-xr-x@ 18 neog  staff    576 Dec 13 12:56 MetaScheduler
drwxr-xr-x@  6 neog  staff    192 Dec 22 00:30 NEOG-Reflect
drwxr-xr-x@ 11 neog  staff    352 Dec 13 12:56 NEOGWorkspaceManager-macOS
drwxr-xr-x@  9 neog  staff    288 Dec 22 18:59 ReputacaoDigital-macOS
drwxr-xr-x@  6 neog  staff    192 Dec 23 04:14 WhatsAppAnalyzer-macOS
drwxr-xr-x@  9 neog  staff    288 Dec 20 22:38 WhatsAppValidator
drwxr-xr-x@ 13 neog  staff    416 Dec 21 18:54 YouTubeAudio-macOS
drwxr-xr-x@ 14 neog  staff    448 Dec 21 16:06 YouTubeTranscripts-macOS


total 64
drwxr-xr-x@ 36 neog  staff   1152 Dec 23 05:26 .
drwxr-xr-x@  5 neog  staff    160 Dec 21 21:47 ..
-rw-r--r--@  1 neog  staff  30724 Dec 21 22:38 .DS_Store
drwxr-xr-x@ 18 neog  staff    576 Dec 22 05:21 AI-KeywordMonitor
drwxr-xr-x@ 15 neog  staff    480 Dec 21 23:57 BIZ-BusinessPlan
drwxr-xr-x@  4 neog  staff    128 Dec 10 16:01 BIZ-NEOGBusiness
drwxr-xr-x@  6 neog  staff    192 Dec 15 15:48 BIZ-RevenueFlow30D
drwxr-xr-x@ 18 neog  staff    576 Dec 22 05:21 EDU-17Licoes
drwxr-xr-x@  8 neog  staff    256 Dec 21 23:41 EDU-BibliaEstudo
drwxr-xr-x@ 10 neog  staff    320 Dec 22 05:21 EDU-DailyVirtue
drwxr-xr-x@ 14 neog  staff    448 Dec 21 20:52 EMAIL-EmailAnalyzer
drwxr-xr-x@ 24 neog  staff    768 Dec 21 22:56 EMAIL-GmailAI
drwxr-xr-x@ 14 neog  staff    448 Dec 23 05:41 FIN-CashFlow
drwxr-xr-x@ 19 neog  staff    608 Dec 21 23:27 FIN-MeusFIIs
drwxr-xr-x@  7 neog  staff    224 Dec 18 12:53 LOC-AroundMe
drwxr-xr-x@  6 neog  staff    192 Dec 20 23:10 LOC-CityExplorer
drwxr-xr-x@  9 neog  staff    288 Dec 23 05:39 LoanTracker-iOS
drwxr-xr-x@ 12 neog  staff    384 Dec 18 22:51 MEDIA-ObsidianViewer
drwxr-xr-x@ 12 neog  staff    384 Dec 21 16:06 MEDIA-YouTubeAudio
drwxr-xr-x@  6 neog  staff    192 Dec 13 12:56 MEDIA-YouTubeTranscripts
drwxr-xr-x@ 18 neog  staff    576 Dec 18 16:25 PROD-96Blocks
drwxr-xr-x@ 16 neog  staff    512 Dec 23 04:54 PROD-ActionPlans
drwxr-xr-x@ 10 neog  staff    320 Dec 21 20:52 PROD-HabitTracker2026
drwxr-xr-x@  7 neog  staff    224 Dec 23 02:07 PROD-LuizPlan
drwxr-xr-x@ 15 neog  staff    480 Dec 23 04:22 PROD-MoLove
drwxr-xr-x@  6 neog  staff    192 Dec 22 00:09 PROD-Planner2026
drwxr-xr-x@ 61 neog  staff   1952 Dec 21 20:52 PROD-ProductivityHub
drwxr-xr-x@ 16 neog  staff    512 Dec 23 04:29 PROD-ThomApp
drwxr-xr-x@ 12 neog  staff    384 Dec 10 17:18 SOC-NEOGListen
drwxr-xr-x@  7 neog  staff    224 Dec  6 20:36 SOC-XNEOG
drwxr-xr-x@ 10 neog  staff    320 Dec 19 20:06 SYS-KortexOS
drwxr-xr-x@ 18 neog  staff    576 Dec 21 16:04 TOOL-CleanShield
drwxr-xr-x@  6 neog  staff    192 Dec 10 22:06 TOOL-PaymentGateway
drwxr-xr-x@  5 neog  staff    160 Dec 21 20:52 TOOL-WorkspaceGuide
drwxr-xr-x@ 23 neog  staff    736 Dec 13 14:57 TOOL-WorkspaceManager
drwxr-xr-x@ 13 neog  staff    416 Dec 23 04:29 VectorCRM-iOS


Great! Now let me examine the structure of the key apps mentioned in the CLAUDE.md - ProductivityHub and finance-related apps. Let me look at 2-3 apps in detail:


find /Users/neog/Apps/iOS/PROD-ProductivityHub -type f -name "*.swift" | head -20

Find Swift files in ProductivityHub


find /Users/neog/Apps/iOS/FIN-CashFlow -type f -name "*.swift" | head -20

Find Swift files in FIN-CashFlow


find /Users/neog/Apps/iOS/FIN-MeusFIIs -type f -name "*.swift" | head -20

Find Swift files in FIN-MeusFIIs


List top-level contents of ProductivityHub


total 936
drwxr-xr-x@ 61 neog  staff   1952 Dec 21 20:52 .
drwxr-xr-x@ 36 neog  staff   1152 Dec 23 05:26 ..
-rw-r--r--@  1 neog  staff   9326 Nov 21 13:32 APP-STORE-SUBMISSION-GUIDE.md
-rw-r--r--@  1 neog  staff  11292 Nov 19 18:17 AnalyticsService.swift
drwxr-xr-x@  3 neog  staff     96 Dec  2 16:32 App
-rw-r--r--@  1 neog  staff   5601 Nov 19 18:16 AppearanceSettingsView.swift
drwxr-xr-x@  3 neog  staff     96 Nov 20 15:34 Assets.xcassets
-rw-------@  1 neog  staff  40004 Nov 29 19:02 CLAUDE.md
-rw-------@  1 neog  staff   3249 Nov 17 14:21 COMANDOS-TERMINAL.sh
-rw-r--r--@  1 neog  staff   2853 Nov 17 11:31 COMO-INICIAR.md
-rw-r--r--@  1 neog  staff  12405 Nov 19 03:54 COMPLETION_SUMMARY.md
-rw-------@  1 neog  staff   6452 Nov 17 14:21 COPIE-E-COLE.txt
-rw-------@  1 neog  staff   3415 Nov 17 13:13 CREATE-XCODE-PROJECT.sh
drwxr-xr-x@  4 neog  staff    128 Nov 21 16:22 Components
-rw-r--r--@  1 neog  staff   8745 Nov 19 03:58 DOCUMENTATION_INDEX.md
-rw-r--r--@  1 neog  staff   8971 Nov 17 11:49 EXECUCAO-COMPLETA.md
-rw-------@  1 neog  staff   4902 Nov 17 14:12 EXECUTE-NOW.md
drwxr-xr-x@  4 neog  staff    128 Nov 22 18:55 Extensions
-rw-r--r--@  1 neog  staff  12623 Nov 19 03:57 FEATURE_SHOWCASE.md
drwxr-xr-x@  7 neog  staff    224 Dec  2 18:37 Features
-rw-r--r--@  1 neog  staff   4223 Nov 29 15:35 HapticManager.swift
-rw-------@  1 neog  staff   2269 Nov 29 17:56 Info.plist
drwxr-xr-x@  8 neog  staff    256 Nov 29 17:25 Models
-rw-r--r--@  1 neog  staff   7400 Nov 21 13:27 PRODUCTION-READY-REPORT.md
-rw-------@  1 neog  staff  12325 Nov 17 11:13 PROJECT-SUMMARY.md
-rw-r--r--@  1 neog  staff   9401 Nov 19 00:12 PROJECT_STATUS.md
-rw-------@  1 neog  staff    544 Nov 29 17:24 ProductivityHub-iOS.entitlements
drwxr-xr-x@  5 neog  staff    160 Dec  2 16:01 ProductivityHub-iOS.xcodeproj
drwxr-xr-x@  6 neog  staff    192 Dec  2 18:37 ProductivityHub-iOS.xcodeproj.backup
-rw-------@  1 neog  staff  16027 Dec  2 15:48 ProductivityHubApp.swift
-rwxr-xr-x@  1 neog  staff   2138 Nov 21 13:44 QUICK-COMMANDS.sh
-rw-------@  1 neog  staff   9128 Nov 19 00:00 README.md
drwxr-xr-x@  2 neog  staff     64 Nov 17 11:05 Resources
-rw-------@  1 neog  staff   5037 Nov 17 13:13 STATUS.md
drwxr-xr-x@ 10 neog  staff    320 Dec  2 16:30 Services
-rw-r--r--@  1 neog  staff  10958 Nov 21 13:31 TESTING-CHECKLIST.md
-rw-------@  1 neog  staff  13750 Nov 20 16:51 TESTING-STATUS.md
-rw-r--r--@  1 neog  staff   7147 Nov 19 18:17 TimerSettingsView.swift
-rw-r--r--@  1 neog  staff   4769 Nov 21 16:40 ValidationService.swift
-rw-r--r--@  1 neog  staff   3117 Nov 17 11:56 add-files-to-pbxproj.rb
-rwx--x--x@  1 neog  staff   2483 Nov 17 11:36 add-files-to-xcode.sh
-rw-------@  1 neog  staff   4099 Nov 20 17:33 add-logging-files.rb
-rw-r--r--@  1 neog  staff  26209 Nov 20 17:33 build.log
-rw-r--r--@  1 neog  staff   3241 Nov 17 12:20 clean-pbxproj.rb
-rw-------@  1 neog  staff   2136 Nov 17 14:12 create-project.rb
-rwxr-xr-x@  1 neog  staff   2322 Nov 19 03:55 demo-app.sh
-rw-------@  1 neog  staff    867 Nov 17 11:51 fix-xcode-project.rb
-rw-------@  1 neog  staff   3826 Nov 20 15:34 generate-app-icon.py
-rwx--x--x@  1 neog  staff  15880 Nov 22 18:53 generate-xcode-project.rb
-rw-------@  1 neog  staff   1158 Nov 17 11:21 project.yml
-rw-r--r--@  1 neog  staff   2109 Nov 17 12:24 rebuild-pbxproj.rb
-rwx--x--x@  1 neog  staff   2400 Nov 20 16:53 test-app.sh
-rw-------@  1 neog  staff   4036 Nov 17 14:26 ▶-EXECUTAR-AGORA.command
-rw-------@  1 neog  staff   7362 Nov 17 14:13 ⚡-QUICK-START.txt
-rw-r--r--@  1 neog  staff  11744 Nov 21 13:52 🎉-COMPLETION-SUMMARY.md
-rw-------@  1 neog  staff  11349 Nov 17 14:26 🎯-INSTRUCOES-FINAIS.txt
-rw-r--r--@  1 neog  staff   7707 Nov 21 13:45 🎯-START-HERE.md
-rw-------@  1 neog  staff   4693 Nov 21 13:51 📋-QUICK-REFERENCE.md
-rw-r--r--@  1 neog  staff   8476 Nov 21 13:33 📦-DELIVERABLES-INDEX.md
-rw-------@  1 neog  staff  10227 Nov 17 14:23 🔴-LEIA-ISTO.txt
-rw-------@  1 neog  staff   5253 Nov 17 14:10 🚀-START-HERE.md


Now let me read the directory structure and examine key files from these apps:


find /Users/neog/Apps/iOS/PROD-ProductivityHub -type f -name "*.swift" | wc -l

Count Swift files in ProductivityHub


List FIN-CashFlow directory structure


List FIN-MeusFIIs directory structure


     1→# CLAUDE.md - ProductivityHub-iOS
     2→
     3→This file provides guidance to Claude Code (claude.ai/code) when working with this iOS app.
     4→
     5→## 🎯 Project Overview
     6→
     7→**ProductivityHub-iOS** is a unified productivity application that consolidates features from three separate apps:
     8→- **ToDoMax-iOS** - Task management with subtasks and importance flags
     9→- **FocusWriter** - Deep work timer (2 hours) + Pomodoro mode with task categories
    10→- **JournalCurator** - AI-powered journaling with auto-categorization
    11→
    12→**Goal:** Create a single, streamlined iOS app that eliminates redundancy and provides an intuitive productivity experience with local-first storage.
    13→
    14→## 📊 Project Stats
    15→
    16→- **Lines of Code:** ~2,500+ (consolidated + polish improvements)
    17→- **Original Code:** ~8,000 lines across 3 apps
    18→- **Code Reduction:** 70% from original 3 apps
    19→- **Dependencies:** 0 (pure SwiftUI + Foundation + UIKit for haptics)
    20→- **Minimum iOS:** 17.0+
    21→- **Platforms:** iPhone, iPad, Mac Catalyst
    22→- **Architecture:** MVVM with @Observable
    23→- **Storage:** UserDefaults with 3-layer backup system
    24→- **Backend:** None (local-first)
    25→- **Production Status:** 100% Ready 🚀
    26→- **Features:** 14 improvements across 2 polish sessions
    27→
    28→## 🏗 Architecture
    29→
    30→### MVVM Pattern with SwiftUI
    31→
    32→```
    33→ProductivityHub-iOS/
    34→├── ProductivityHubApp.swift          # @main entry point (with haptic prep)
    35→├── HapticManager.swift               # Optimized haptic feedback system
    36→├── App/
    37→│   └── MainTabView.swift             # Adaptive nav: TabView (iPhone) / NavigationSplitView (iPad/Mac)
    38→├── Models/                           # Unified data models
    39→│   ├── Task.swift                    # Task management (ToDoMax + FocusWriter)
    40→│   ├── WorkSession.swift             # Focus sessions (FocusWriter)
    41→│   ├── JournalEntry.swift            # Journal entries (JournalCurator)
    42→│   ├── Tag.swift                     # Unified tagging system
    43→│   └── Template.swift                # Quick capture templates
    44→├── Services/                         # Business logic & persistence
    45→│   ├── DataManager.swift             # Singleton with 3-layer backup + haptics
    46→│   ├── TimerService.swift            # Deep Work + Pomodoro timer + background support
    47→│   ├── NotificationService.swift     # Local notifications
    48→│   └── ExportService.swift           # Data export (JSON/CSV)
    49→├── Components/                       # Reusable UI components
    50→│   ├── OnboardingTip.swift           # Onboarding hints system + manager
    51→│   └── ToastView.swift               # Toast notifications
    52→├── Features/                         # Feature-based organization
    53→│   ├── Focus/
    54→│   │   └── FocusView.swift           # Tab 1: Timer (with onboarding)
    55→│   ├── Tasks/
    56→│   │   └── TasksView.swift           # Tab 2: Task management (progressive disclosure)
    57→│   ├── Journal/
    58→│   │   └── JournalView.swift         # Tab 3: Journaling (vertical metadata)
    59→│   ├── Insights/
    60→│   │   └── InsightsView.swift        # Tab 4: Statistics (time range picker)
    61→│   └── Settings/
    62→│       └── SettingsView.swift        # Tab 5: Settings (reset onboarding)
    63→└── Info.plist
    64→```
    65→
    66→### Key Architectural Decisions
    67→
    68→1. **@Observable instead of @ObservableObject**
    69→   - Using iOS 17+ `@Observable` macro for DataManager
    70→   - Simpler syntax, automatic dependency tracking
    71→   - More performant than `@Published` properties
    72→
    73→2. **Singleton DataManager**
    74→   - Single source of truth for all data
    75→   - Shared across all views via `@EnvironmentObject`
    76→   - Handles all CRUD operations and persistence
    77→
    78→3. **3-Layer Backup System (from ToDoMax)**
    79→   - Primary key: `ProductivityHub_Tasks`
    80→   - Backup 1: `ProductivityHub_Tasks_backup1`
    81→   - Backup 2: `ProductivityHub_Tasks_backup2`
    82→   - Cascading recovery on data corruption
    83→
    84→4. **Feature-Based Folder Structure**
    85→   - Each feature (Focus, Tasks, Journal) in own folder
    86→   - Makes navigation easier as app grows
    87→   - Clear separation of concerns
    88→
    89→5. **Adaptive Navigation (iPad/Mac)**
    90→   - iPhone: TabView with 5 tabs (standard bottom bar)
    91→   - iPad/Mac: NavigationSplitView with sidebar
    92→   - `horizontalSizeClass` environment variable for detection
    93→   - Seamless experience across all Apple platforms
    94→
    95→## 💻 iPad & Mac Support
    96→
    97→### Adaptive Navigation
    98→
    99→The app automatically adapts its navigation pattern based on screen size:
   100→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

# CLAUDE.md - ProductivityHub-iOS

This file provides guidance to Claude Code (claude.ai/code) when working with this iOS app.

## 🎯 Project Overview

**ProductivityHub-iOS** is a unified productivity application that consolidates features from three separate apps:
- **ToDoMax-iOS** - Task management with subtasks and importance flags
- **FocusWriter** - Deep work timer (2 hours) + Pomodoro mode with task categories
- **JournalCurator** - AI-powered journaling with auto-categorization

**Goal:** Create a single, streamlined iOS app that eliminates redundancy and provides an intuitive productivity experience with local-first storage.

## 📊 Project Stats

- **Lines of Code:** ~2,500+ (consolidated + polish improvements)
- **Original Code:** ~8,000 lines across 3 apps
- **Code Reduction:** 70% from original 3 apps
- **Dependencies:** 0 (pure SwiftUI + Foundation + UIKit for haptics)
- **Minimum iOS:** 17.0+
- **Platforms:** iPhone, iPad, Mac Catalyst
- **Architecture:** MVVM with @Observable
- **Storage:** UserDefaults with 3-layer backup system
- **Backend:** None (local-first)
- **Production Status:** 100% Ready 🚀
- **Features:** 14 improvements across 2 polish sessions

## 🏗 Architecture

### MVVM Pattern with SwiftUI

```
ProductivityHub-iOS/
├── ProductivityHubApp.swift          # @main entry point (with haptic prep)
├── HapticManager.swift               # Optimized haptic feedback system
├── App/
│   └── MainTabView.swift             # Adaptive nav: TabView (iPhone) / NavigationSplitView (iPad/Mac)
├── Models/                           # Unified data models
│   ├── Task.swift                    # Task management (ToDoMax + FocusWriter)
│   ├── WorkSession.swift             # Focus sessions (FocusWriter)
│   ├── JournalEntry.swift            # Journal entries (JournalCurator)
│   ├── Tag.swift                     # Unified tagging system
│   └── Template.swift                # Quick capture templates
├── Services/                         # Business logic & persistence
│   ├── DataManager.swift             # Singleton with 3-layer backup + haptics
│   ├── TimerService.swift            # Deep Work + Pomodoro timer + background support
│   ├── NotificationService.swift     # Local notifications
│   └── ExportService.swift           # Data export (JSON/CSV)
├── Components/                       # Reusable UI components
│   ├── OnboardingTip.swift           # Onboarding hints system + manager
│   └── ToastView.swift               # Toast notifications
├── Features/                         # Feature-based organization
│   ├── Focus/
│   │   └── FocusView.swift           # Tab 1: Timer (with onboarding)
│   ├── Tasks/
│   │   └── TasksView.swift           # Tab 2: Task management (progressive disclosure)
│   ├── Journal/
│   │   └── JournalView.swift         # Tab 3: Journaling (vertical metadata)
│   ├── Insights/
│   │   └── InsightsView.swift        # Tab 4: Statistics (time range picker)
│   └── Settings/
│       └── SettingsView.swift        # Tab 5: Settings (reset onboarding)
└── Info.plist
```

### Key Architectural Decisions

1. **@Observable instead of @ObservableObject**
   - Using iOS 17+ `@Observable` macro for DataManager
   - Simpler syntax, automatic dependency tracking
   - More performant than `@Published` properties

2. **Singleton DataManager**
   - Single source of truth for all data
   - Shared across all views via `@EnvironmentObject`
   - Handles all CRUD operations and persistence

3. **3-Layer Backup System (from ToDoMax)**
   - Primary key: `ProductivityHub_Tasks`
   - Backup 1: `ProductivityHub_Tasks_backup1`
   - Backup 2: `ProductivityHub_Tasks_backup2`
   - Cascading recovery on data corruption

4. **Feature-Based Folder Structure**
   - Each feature (Focus, Tasks, Journal) in own folder
   - Makes navigation easier as app grows
   - Clear separation of concerns

5. **Adaptive Navigation (iPad/Mac)**
   - iPhone: TabView with 5 tabs (standard bottom bar)
   - iPad/Mac: NavigationSplitView with sidebar
   - `horizontalSizeClass` environment variable for detection
   - Seamless experience across all Apple platforms

## 💻 iPad & Mac Support

### Adaptive Navigation

The app automatically adapts its navigation pattern based on screen size:


total 24
drwxr-xr-x@ 14 neog  staff   448 Dec 23 05:41 .
drwxr-xr-x@ 36 neog  staff  1152 Dec 23 05:26 ..
drwxr-xr-x@  4 neog  staff   128 Dec 23 05:28 App
drwxr-xr-x@  5 neog  staff   160 Dec 23 05:46 CashFlow.xcodeproj
drwxr-xr-x@  3 neog  staff    96 Dec 23 05:28 Components
-rw-------@  1 neog  staff  1654 Dec 23 05:32 Info.plist
drwxr-xr-x@  5 neog  staff   160 Dec 23 05:27 Models
-rw-------@  1 neog  staff  2841 Dec 23 05:34 README.md
drwxr-xr-x@  3 neog  staff    96 Dec 23 05:33 Resources
drwxr-xr-x@  3 neog  staff    96 Dec 23 05:27 Services
drwxr-xr-x@  6 neog  staff   192 Dec 23 05:26 Views
drwxr-xr-x@  9 neog  staff   288 Dec 23 05:39 build
drwxr-xr-x@  9 neog  staff   288 Dec 23 05:46 build-device
-rwx--x--x@  1 neog  staff  1903 Dec 23 05:33 create-xcode-project.sh


total 80
drwxr-xr-x@ 19 neog  staff   608 Dec 21 23:27 .
drwxr-xr-x@ 36 neog  staff  1152 Dec 23 05:26 ..
-rw-r--r--@  1 neog  staff  6148 Dec 18 20:12 .DS_Store
drwxr-xr-x  12 neog  staff   384 Dec 21 23:08 .git
drwxr-xr-x@  4 neog  staff   128 Dec 18 18:51 App
drwxr-xr-x@  5 neog  staff   160 Dec  4 23:41 Assets.xcassets
-rw-------@  1 neog  staff  7032 Dec  5 16:30 CLAUDE.md
-rw-------@  1 neog  staff   480 Dec  5 19:36 ExportOptions.plist
drwxr-xr-x@  7 neog  staff   224 Dec 21 23:14 Extensions
-rw-r--r--@  1 neog  staff  2001 Dec 21 23:27 Info.plist
-rw-r--r--@  1 neog  staff   555 Dec 21 23:22 MeusFIIs-iOS.entitlements
drwxr-xr-x@  6 neog  staff   192 Dec 21 23:27 MeusFIIs-iOS.xcodeproj
drwxr-xr-x@  5 neog  staff   160 Dec 18 18:53 MeusFIIs-iOSTests
drwxr-xr-x@ 11 neog  staff   352 Dec 21 23:24 Models
-rw-------@  1 neog  staff   640 Dec  4 23:42 Package.swift
-rw-------@  1 neog  staff  1360 Dec 18 18:53 PrivacyInfo.xcprivacy
drwxr-xr-x@ 18 neog  staff   576 Dec 21 23:25 Services
drwxr-xr-x@ 15 neog  staff   480 Dec 21 23:27 Views
-rw-------@  1 neog  staff  2941 Dec  5 17:03 project.yml


Now let me examine the actual Swift code structure and patterns:


     1→//
     2→//  ProductivityHubApp.swift
     3→//  ProductivityHub-iOS
     4→//
     5→//  Created by Claude Code
     6→//  Main app entry point with CloudKit real-time sync
     7→//
     8→
     9→import SwiftUI
    10→import CoreSpotlight
    11→import CloudKit
    12→import UserNotifications
    13→
    14→// MARK: - Quick Action Types
    15→enum QuickActionType: String {
    16→    case newTask = "NewTaskAction"
    17→    case startFocus = "StartFocusAction"
    18→    case newJournal = "NewJournalAction"
    19→    case viewInsights = "ViewInsightsAction"
    20→}
    21→
    22→// MARK: - Quick Action Manager
    23→class QuickActionManager: ObservableObject {
    24→    static let shared = QuickActionManager()
    25→
    26→    @Published var selectedTab: Int = 0
    27→    @Published var shouldShowNewTask: Bool = false
    28→    @Published var shouldShowNewJournal: Bool = false
    29→    @Published var shouldStartFocus: Bool = false
    30→
    31→    func handleQuickAction(_ shortcutItem: UIApplicationShortcutItem) {
    32→        guard let actionType = QuickActionType(rawValue: shortcutItem.type) else { return }
    33→
    34→        DispatchQueue.main.async {
    35→            switch actionType {
    36→            case .newTask:
    37→                self.selectedTab = 1  // Tasks tab
    38→                self.shouldShowNewTask = true
    39→            case .startFocus:
    40→                self.selectedTab = 0  // Focus tab
    41→                self.shouldStartFocus = true
    42→            case .newJournal:
    43→                self.selectedTab = 2  // Journal tab
    44→                self.shouldShowNewJournal = true
    45→            case .viewInsights:
    46→                self.selectedTab = 3  // Insights tab
    47→            }
    48→            HapticManager.impact(.light)
    49→        }
    50→    }
    51→
    52→    func setupQuickActions() {
    53→        UIApplication.shared.shortcutItems = [
    54→            UIApplicationShortcutItem(
    55→                type: QuickActionType.newTask.rawValue,
    56→                localizedTitle: "New Task",
    57→                localizedSubtitle: "Create a new task",
    58→                icon: UIApplicationShortcutIcon(systemImageName: "plus.circle"),
    59→                userInfo: nil
    60→            ),

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

//
//  ProductivityHubApp.swift
//  ProductivityHub-iOS
//
//  Created by Claude Code
//  Main app entry point with CloudKit real-time sync
//

import SwiftUI
import CoreSpotlight
import CloudKit
import UserNotifications

// MARK: - Quick Action Types
enum QuickActionType: String {
    case newTask = "NewTaskAction"
    case startFocus = "StartFocusAction"
    case newJournal = "NewJournalAction"
    case viewInsights = "ViewInsightsAction"
}

// MARK: - Quick Action Manager
class QuickActionManager: ObservableObject {
    static let shared = QuickActionManager()

    @Published var selectedTab: Int = 0
    @Published var shouldShowNewTask: Bool = false
    @Published var shouldShowNewJournal: Bool = false
    @Published var shouldStartFocus: Bool = false

    func handleQuickAction(_ shortcutItem: UIApplicationShortcutItem) {
        guard let actionType = QuickActionType(rawValue: shortcutItem.type) else { return }

        DispatchQueue.main.async {
            switch actionType {
            case .newTask:
                self.selectedTab = 1  // Tasks tab
                self.shouldShowNewTask = true
            case .startFocus:
                self.selectedTab = 0  // Focus tab
                self.shouldStartFocus = true
            case .newJournal:
                self.selectedTab = 2  // Journal tab
                self.shouldShowNewJournal = true
            case .viewInsights:
                self.selectedTab = 3  // Insights tab
            }
            HapticManager.impact(.light)
        }
    }

    func setupQuickActions() {
        UIApplication.shared.shortcutItems = [
            UIApplicationShortcutItem(
                type: QuickActionType.newTask.rawValue,
                localizedTitle: "New Task",
                localizedSubtitle: "Create a new task",
                icon: UIApplicationShortcutIcon(systemImageName: "plus.circle"),
                userInfo: nil
            ),


     1→import SwiftUI
     2→
     3→@main
     4→struct CashFlowApp: App {
     5→    @StateObject private var dataManager = DataManager.shared
     6→
     7→    var body: some Scene {
     8→        WindowGroup {
     9→            MainTabView()
    10→                .environmentObject(dataManager)
    11→        }
    12→    }
    13→}
    14→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

import SwiftUI

@main
struct CashFlowApp: App {
    @StateObject private var dataManager = DataManager.shared

    var body: some Scene {
        WindowGroup {
            MainTabView()
                .environmentObject(dataManager)
        }
    }
}


     1→//
     2→//  MeusFIIsApp.swift
     3→//  MeusFIIs
     4→//
     5→//  Created by NEOG on 04/12/2025.
     6→//
     7→
     8→import SwiftUI
     9→import SwiftData
    10→
    11→@main
    12→struct MeusFIIsApp: App {
    13→    @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
    14→
    15→    let modelContainer: ModelContainer
    16→    @StateObject private var authManager = AuthenticationManager.shared
    17→    @StateObject private var deepLinkManager = DeepLinkManager.shared
    18→    @StateObject private var cloudKitChatService = CloudKitChatService.shared
    19→
    20→    init() {
    21→        let schema = Schema([
    22→            FII.self,
    23→            PortfolioItem.self,
    24→            Transaction.self,
    25→            Dividend.self,
    26→            User.self
    27→        ])
    28→
    29→        // Try CloudKit first, fallback to local storage
    30→        do {
    31→            // Configure with CloudKit for iCloud sync
    32→            let modelConfiguration = ModelConfiguration(
    33→                schema: schema,
    34→                isStoredInMemoryOnly: false,
    35→                allowsSave: true,
    36→                cloudKitDatabase: .private("iCloud.com.neog.meusfiis")
    37→            )
    38→
    39→            let container = try ModelContainer(
    40→                for: schema,
    41→                configurations: [modelConfiguration]
    42→            )
    43→            modelContainer = container
    44→            AppLogger.info("✅ ModelContainer initialized with CloudKit")
    45→        } catch {
    46→            AppLogger.error("❌ CloudKit ModelContainer failed: \(error.localizedDescription)")
    47→
    48→            // Fallback: try local storage without CloudKit
    49→            do {
    50→                let localConfig = ModelConfiguration(
    51→                    schema: schema,
    52→                    isStoredInMemoryOnly: false,
    53→                    allowsSave: true
    54→                )
    55→                modelContainer = try ModelContainer(for: schema, configurations: [localConfig])
    56→                AppLogger.warning("⚠ Using local storage fallback (no iCloud sync)")
    57→            } catch {
    58→                // Last resort: in-memory storage
    59→                AppLogger.error("❌ Local storage failed: \(error.localizedDescription)")
    60→                do {

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

//
//  MeusFIIsApp.swift
//  MeusFIIs
//
//  Created by NEOG on 04/12/2025.
//

import SwiftUI
import SwiftData

@main
struct MeusFIIsApp: App {
    @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate

    let modelContainer: ModelContainer
    @StateObject private var authManager = AuthenticationManager.shared
    @StateObject private var deepLinkManager = DeepLinkManager.shared
    @StateObject private var cloudKitChatService = CloudKitChatService.shared

    init() {
        let schema = Schema([
            FII.self,
            PortfolioItem.self,
            Transaction.self,
            Dividend.self,
            User.self
        ])

        // Try CloudKit first, fallback to local storage
        do {
            // Configure with CloudKit for iCloud sync
            let modelConfiguration = ModelConfiguration(
                schema: schema,
                isStoredInMemoryOnly: false,
                allowsSave: true,
                cloudKitDatabase: .private("iCloud.com.neog.meusfiis")
            )

            let container = try ModelContainer(
                for: schema,
                configurations: [modelConfiguration]
            )
            modelContainer = container
            AppLogger.info("✅ ModelContainer initialized with CloudKit")
        } catch {
            AppLogger.error("❌ CloudKit ModelContainer failed: \(error.localizedDescription)")

            // Fallback: try local storage without CloudKit
            do {
                let localConfig = ModelConfiguration(
                    schema: schema,
                    isStoredInMemoryOnly: false,
                    allowsSave: true
                )
                modelContainer = try ModelContainer(for: schema, configurations: [localConfig])
                AppLogger.warning("⚠ Using local storage fallback (no iCloud sync)")
            } catch {
                // Last resort: in-memory storage
                AppLogger.error("❌ Local storage failed: \(error.localizedDescription)")
                do {


Let me examine more of the Models and Services structure:


     1→//
     2→//  Task.swift
     3→//  ProductivityHub-iOS
     4→//
     5→//  Unified task model merging ToDoMax + FocusWriter features
     6→//
     7→
     8→import Foundation
     9→import SwiftUI
    10→
    11→enum TaskPriority: String, Codable, CaseIterable {
    12→    case low = "Low"
    13→    case medium = "Medium"
    14→    case high = "High"
    15→    case urgent = "Urgent"
    16→
    17→    var color: String {
    18→        switch self {
    19→        case .low: return "gray"
    20→        case .medium: return "blue"
    21→        case .high: return "orange"
    22→        case .urgent: return "red"
    23→        }
    24→    }
    25→
    26→    var swiftUIColor: Color {
    27→        switch self {
    28→        case .low: return .gray
    29→        case .medium: return .blue
    30→        case .high: return .orange
    31→        case .urgent: return .red
    32→        }
    33→    }
    34→}
    35→
    36→enum TaskCategory: String, Codable, CaseIterable {
    37→    case work = "Work"
    38→    case personal = "Personal"
    39→    case health = "Health"
    40→    case learning = "Learning"
    41→    case creative = "Creative"
    42→    case finance = "Finance"
    43→    case social = "Social"
    44→    case other = "Other"
    45→
    46→    var icon: String {
    47→        switch self {
    48→        case .work: return "briefcase.fill"
    49→        case .personal: return "person.fill"
    50→        case .health: return "heart.fill"

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

//
//  Task.swift
//  ProductivityHub-iOS
//
//  Unified task model merging ToDoMax + FocusWriter features
//

import Foundation
import SwiftUI

enum TaskPriority: String, Codable, CaseIterable {
    case low = "Low"
    case medium = "Medium"
    case high = "High"
    case urgent = "Urgent"

    var color: String {
        switch self {
        case .low: return "gray"
        case .medium: return "blue"
        case .high: return "orange"
        case .urgent: return "red"
        }
    }

    var swiftUIColor: Color {
        switch self {
        case .low: return .gray
        case .medium: return .blue
        case .high: return .orange
        case .urgent: return .red
        }
    }
}

enum TaskCategory: String, Codable, CaseIterable {
    case work = "Work"
    case personal = "Personal"
    case health = "Health"
    case learning = "Learning"
    case creative = "Creative"
    case finance = "Finance"
    case social = "Social"
    case other = "Other"

    var icon: String {
        switch self {
        case .work: return "briefcase.fill"
        case .personal: return "person.fill"
        case .health: return "heart.fill"


     1→import Foundation
     2→
     3→enum TransactionType: String, Codable, CaseIterable {
     4→    case income = "Receita"
     5→    case expense = "Gasto"
     6→}
     7→
     8→enum TransactionCategory: String, Codable, CaseIterable {
     9→    // Receitas
    10→    case salary = "Salario"
    11→    case freelance = "Freelance"
    12→    case investment = "Investimento"
    13→    case otherIncome = "Outra Receita"
    14→
    15→    // Gastos Fixos
    16→    case rent = "Aluguel"
    17→    case utilities = "Contas (Luz/Agua/Gas)"
    18→    case internet = "Internet"
    19→    case phone = "Telefone"
    20→    case insurance = "Seguro"
    21→    case subscription = "Assinatura"
    22→
    23→    // Gastos Variaveis
    24→    case food = "Alimentacao"
    25→    case transport = "Transporte"
    26→    case health = "Saude"
    27→    case education = "Educacao"
    28→    case entertainment = "Lazer"
    29→    case shopping = "Compras"
    30→    case otherExpense = "Outro Gasto"
    31→
    32→    var isIncome: Bool {
    33→        switch self {
    34→        case .salary, .freelance, .investment, .otherIncome:
    35→            return true
    36→        default:
    37→            return false
    38→        }
    39→    }
    40→
    41→    var icon: String {
    42→        switch self {
    43→        case .salary: return "briefcase.fill"
    44→        case .freelance: return "laptopcomputer"
    45→        case .investment: return "chart.line.uptrend.xyaxis"
    46→        case .otherIncome: return "plus.circle.fill"
    47→        case .rent: return "house.fill"
    48→        case .utilities: return "bolt.fill"
    49→        case .internet: return "wifi"
    50→        case .phone: return "iphone"
    51→        case .insurance: return "shield.fill"
    52→        case .subscription: return "repeat"
    53→        case .food: return "fork.knife"
    54→        case .transport: return "car.fill"
    55→        case .health: return "heart.fill"
    56→        case .education: return "book.fill"
    57→        case .entertainment: return "gamecontroller.fill"
    58→        case .shopping: return "bag.fill"
    59→        case .otherExpense: return "minus.circle.fill"
    60→        }
    61→    }
    62→
    63→    static var incomeCategories: [TransactionCategory] {
    64→        [.salary, .freelance, .investment, .otherIncome]
    65→    }
    66→
    67→    static var expenseCategories: [TransactionCategory] {
    68→        allCases.filter { !$0.isIncome }
    69→    }
    70→}
    71→
    72→struct Transaction: Identifiable, Codable {
    73→    let id: UUID
    74→    var type: TransactionType
    75→    var category: TransactionCategory
    76→    var amount: Double
    77→    var description: String
    78→    var date: Date
    79→    var isRecurring: Bool
    80→    var recurringDay: Int? // Dia do mes para recorrentes
    81→
    82→    init(
    83→        id: UUID = UUID(),
    84→        type: TransactionType,
    85→        category: TransactionCategory,
    86→        amount: Double,
    87→        description: String = "",
    88→        date: Date = Date(),
    89→        isRecurring: Bool = false,
    90→        recurringDay: Int? = nil
    91→    ) {
    92→        self.id = id
    93→        self.type = type
    94→        self.category = category
    95→        self.amount = amount
    96→        self.description = description
    97→        self.date = date
    98→        self.isRecurring = isRecurring
    99→        self.recurringDay = recurringDay
   100→    }
   101→}
   102→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

import Foundation

enum TransactionType: String, Codable, CaseIterable {
    case income = "Receita"
    case expense = "Gasto"
}

enum TransactionCategory: String, Codable, CaseIterable {
    // Receitas
    case salary = "Salario"
    case freelance = "Freelance"
    case investment = "Investimento"
    case otherIncome = "Outra Receita"

    // Gastos Fixos
    case rent = "Aluguel"
    case utilities = "Contas (Luz/Agua/Gas)"
    case internet = "Internet"
    case phone = "Telefone"
    case insurance = "Seguro"
    case subscription = "Assinatura"

    // Gastos Variaveis
    case food = "Alimentacao"
    case transport = "Transporte"
    case health = "Saude"
    case education = "Educacao"
    case entertainment = "Lazer"
    case shopping = "Compras"
    case otherExpense = "Outro Gasto"

    var isIncome: Bool {
        switch self {
        case .salary, .freelance, .investment, .otherIncome:
            return true
        default:
            return false
        }
    }

    var icon: String {
        switch self {
        case .salary: return "briefcase.fill"
        case .freelance: return "laptopcomputer"
        case .investment: return "chart.line.uptrend.xyaxis"
        case .otherIncome: return "plus.circle.fill"
        case .rent: return "house.fill"
        case .utilities: return "bolt.fill"
        case .internet: return "wifi"
        case .phone: return "iphone"
        case .insurance: return "shield.fill"
        case .subscription: return "repeat"
        case .food: return "fork.knife"
        case .transport: return "car.fill"
        case .health: return "heart.fill"
        case .education: return "book.fill"
        case .entertainment: return "gamecontroller.fill"
        case .shopping: return "bag.fill"
        case .otherExpense: return "minus.circle.fill"
        }
    }

    static var incomeCategories: [TransactionCategory] {
        [.salary, .freelance, .investment, .otherIncome]
    }

    static var expenseCategories: [TransactionCategory] {
        allCases.filter { !$0.isIncome }
    }
}

struct Transaction: Identifiable, Codable {
    let id: UUID
    var type: TransactionType
    var category: TransactionCategory
    var amount: Double
    var description: String
    var date: Date
    var isRecurring: Bool
    var recurringDay: Int? // Dia do mes para recorrentes

    init(
        id: UUID = UUID(),
        type: TransactionType,
        category: TransactionCategory,
        amount: Double,
        description: String = "",
        date: Date = Date(),
        isRecurring: Bool = false,
        recurringDay: Int? = nil
    ) {
        self.id = id
        self.type = type
        self.category = category
        self.amount = amount
        self.description = description
        self.date = date
        self.isRecurring = isRecurring
        self.recurringDay = recurringDay
    }
}


     1→//
     2→//  FII.swift
     3→//  MeusFIIs
     4→//
     5→//  Created by NEOG on 04/12/2025.
     6→//
     7→
     8→import Foundation
     9→import SwiftData
    10→
    11→// MARK: - FII Sector Enum
    12→
    13→enum FIISector: String, Codable, CaseIterable, Identifiable {
    14→    case logistics = "Logística"
    15→    case shopping = "Shoppings"
    16→    case corporate = "Lajes Corporativas"
    17→    case paper = "Papéis"
    18→    case hybrid = "Híbrido"
    19→    case hotel = "Hotéis"
    20→    case residential = "Residencial"
    21→    case hospital = "Hospitais"
    22→    case educational = "Educacional"
    23→    case rural = "Agro"
    24→    case other = "Outros"
    25→
    26→    var id: String { rawValue }
    27→
    28→    var icon: String {
    29→        switch self {
    30→        case .logistics: return "shippingbox.fill"
    31→        case .shopping: return "cart.fill"
    32→        case .corporate: return "building.2.fill"
    33→        case .paper: return "doc.text.fill"
    34→        case .hybrid: return "square.grid.2x2.fill"
    35→        case .hotel: return "bed.double.fill"
    36→        case .residential: return "house.fill"
    37→        case .hospital: return "cross.fill"
    38→        case .educational: return "graduationcap.fill"
    39→        case .rural: return "leaf.fill"
    40→        case .other: return "questionmark.circle.fill"
    41→        }
    42→    }
    43→
    44→    var color: String {
    45→        switch self {
    46→        case .logistics: return "#FF6B35"
    47→        case .shopping: return "#F7931E"
    48→        case .corporate: return "#3498DB"
    49→        case .paper: return "#9B59B6"
    50→        case .hybrid: return "#1ABC9C"
    51→        case .hotel: return "#E74C3C"
    52→        case .residential: return "#2ECC71"
    53→        case .hospital: return "#E91E63"
    54→        case .educational: return "#00BCD4"
    55→        case .rural: return "#8BC34A"
    56→        case .other: return "#95A5A6"
    57→        }
    58→    }
    59→}
    60→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

//
//  FII.swift
//  MeusFIIs
//
//  Created by NEOG on 04/12/2025.
//

import Foundation
import SwiftData

// MARK: - FII Sector Enum

enum FIISector: String, Codable, CaseIterable, Identifiable {
    case logistics = "Logística"
    case shopping = "Shoppings"
    case corporate = "Lajes Corporativas"
    case paper = "Papéis"
    case hybrid = "Híbrido"
    case hotel = "Hotéis"
    case residential = "Residencial"
    case hospital = "Hospitais"
    case educational = "Educacional"
    case rural = "Agro"
    case other = "Outros"

    var id: String { rawValue }

    var icon: String {
        switch self {
        case .logistics: return "shippingbox.fill"
        case .shopping: return "cart.fill"
        case .corporate: return "building.2.fill"
        case .paper: return "doc.text.fill"
        case .hybrid: return "square.grid.2x2.fill"
        case .hotel: return "bed.double.fill"
        case .residential: return "house.fill"
        case .hospital: return "cross.fill"
        case .educational: return "graduationcap.fill"
        case .rural: return "leaf.fill"
        case .other: return "questionmark.circle.fill"
        }
    }

    var color: String {
        switch self {
        case .logistics: return "#FF6B35"
        case .shopping: return "#F7931E"
        case .corporate: return "#3498DB"
        case .paper: return "#9B59B6"
        case .hybrid: return "#1ABC9C"
        case .hotel: return "#E74C3C"
        case .residential: return "#2ECC71"
        case .hospital: return "#E91E63"
        case .educational: return "#00BCD4"
        case .rural: return "#8BC34A"
        case .other: return "#95A5A6"
        }
    }
}


Now let me look at Services structure and check a macOS app:


find /Users/neog/Apps/iOS/PROD-ProductivityHub/Services -name "*.swift" | head -10

Find Swift files in ProductivityHub Services


find /Users/neog/Apps/iOS/FIN-CashFlow/Services -name "*.swift"

Find Swift files in CashFlow Services


List ClaudeCodeAI macOS app structure


find /Users/neog/Apps/macOS/ClaudeCodeAI -name "*.swift" | head -20

Find Swift files in ClaudeCodeAI


total 16
drwxr-xr-x@  7 neog  staff   224 Dec 22 03:17 .
drwxr-xr-x@ 15 neog  staff   480 Dec 22 18:26 ..
-rw-------@  1 neog  staff  1619 Dec 22 01:13 CLAUDE.md
drwxr-xr-x@  8 neog  staff   256 Dec 22 01:08 ClaudeCodeAI
drwxr-xr-x@  3 neog  staff    96 Dec 22 03:17 ClaudeCodeAI.app
drwxr-xr-x@  5 neog  staff   160 Dec 22 01:24 ClaudeCodeAI.xcodeproj
-rw-------@  1 neog  staff  1456 Dec 22 01:08 project.yml


Let me read one of the DataManager files and a View to understand the patterns better:


     1→import Foundation
     2→import SwiftUI
     3→
     4→@MainActor
     5→class DataManager: ObservableObject {
     6→    static let shared = DataManager()
     7→
     8→    @Published var transactions: [Transaction] = []
     9→    @Published var debts: [Debt] = []
    10→
    11→    private let transactionsKey = "cashflow_transactions"
    12→    private let debtsKey = "cashflow_debts"
    13→
    14→    init() {
    15→        loadData()
    16→    }
    17→
    18→    // MARK: - Computed Properties
    19→
    20→    var currentMonthTransactions: [Transaction] {
    21→        let calendar = Calendar.current
    22→        let now = Date()
    23→        return transactions.filter {
    24→            calendar.isDate($0.date, equalTo: now, toGranularity: .month)
    25→        }
    26→    }
    27→
    28→    var totalIncome: Double {
    29→        currentMonthTransactions
    30→            .filter { $0.type == .income }
    31→            .reduce(0) { $0 + $1.amount }
    32→    }
    33→
    34→    var totalExpenses: Double {
    35→        currentMonthTransactions
    36→            .filter { $0.type == .expense }
    37→            .reduce(0) { $0 + $1.amount }
    38→    }
    39→
    40→    var totalDebtPayments: Double {
    41→        debts.reduce(0) { $0 + $1.monthlyPayment }
    42→    }
    43→
    44→    var totalDebtRemaining: Double {
    45→        debts.reduce(0) { $0 + $1.remainingAmount }
    46→    }
    47→
    48→    var monthlyBalance: Double {
    49→        totalIncome - totalExpenses - totalDebtPayments
    50→    }
    51→
    52→    var summary: FinancialSummary {
    53→        FinancialSummary(
    54→            totalIncome: totalIncome,
    55→            totalExpenses: totalExpenses,
    56→            totalDebtPayments: totalDebtPayments,
    57→            totalDebtRemaining: totalDebtRemaining
    58→        )
    59→    }
    60→
    61→    var recurringIncome: Double {
    62→        transactions
    63→            .filter { $0.type == .income && $0.isRecurring }
    64→            .reduce(0) { $0 + $1.amount }
    65→    }
    66→
    67→    var recurringExpenses: Double {
    68→        transactions
    69→            .filter { $0.type == .expense && $0.isRecurring }
    70→            .reduce(0) { $0 + $1.amount }
    71→    }
    72→
    73→    var upcomingDebts: [Debt] {
    74→        let calendar = Calendar.current
    75→        let today = calendar.component(.day, from: Date())
    76→        return debts
    77→            .filter { !$0.isPaidOff }
    78→            .sorted { debt1, debt2 in
    79→                let days1 = debt1.dueDay >= today ? debt1.dueDay - today : 30 - today + debt1.dueDay
    80→                let days2 = debt2.dueDay >= today ? debt2.dueDay - today : 30 - today + debt2.dueDay

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

import Foundation
import SwiftUI

@MainActor
class DataManager: ObservableObject {
    static let shared = DataManager()

    @Published var transactions: [Transaction] = []
    @Published var debts: [Debt] = []

    private let transactionsKey = "cashflow_transactions"
    private let debtsKey = "cashflow_debts"

    init() {
        loadData()
    }

    // MARK: - Computed Properties

    var currentMonthTransactions: [Transaction] {
        let calendar = Calendar.current
        let now = Date()
        return transactions.filter {
            calendar.isDate($0.date, equalTo: now, toGranularity: .month)
        }
    }

    var totalIncome: Double {
        currentMonthTransactions
            .filter { $0.type == .income }
            .reduce(0) { $0 + $1.amount }
    }

    var totalExpenses: Double {
        currentMonthTransactions
            .filter { $0.type == .expense }
            .reduce(0) { $0 + $1.amount }
    }

    var totalDebtPayments: Double {
        debts.reduce(0) { $0 + $1.monthlyPayment }
    }

    var totalDebtRemaining: Double {
        debts.reduce(0) { $0 + $1.remainingAmount }
    }

    var monthlyBalance: Double {
        totalIncome - totalExpenses - totalDebtPayments
    }

    var summary: FinancialSummary {
        FinancialSummary(
            totalIncome: totalIncome,
            totalExpenses: totalExpenses,
            totalDebtPayments: totalDebtPayments,
            totalDebtRemaining: totalDebtRemaining
        )
    }

    var recurringIncome: Double {
        transactions
            .filter { $0.type == .income && $0.isRecurring }
            .reduce(0) { $0 + $1.amount }
    }

    var recurringExpenses: Double {
        transactions
            .filter { $0.type == .expense && $0.isRecurring }
            .reduce(0) { $0 + $1.amount }
    }

    var upcomingDebts: [Debt] {
        let calendar = Calendar.current
        let today = calendar.component(.day, from: Date())
        return debts
            .filter { !$0.isPaidOff }
            .sorted { debt1, debt2 in
                let days1 = debt1.dueDay >= today ? debt1.dueDay - today : 30 - today + debt1.dueDay
                let days2 = debt2.dueDay >= today ? debt2.dueDay - today : 30 - today + debt2.dueDay


     1→# Claude Code AI - macOS App
     2→
     3→App macOS standalone com Claude AI integrado. **Admin Mode** - API já configurada.
     4→
     5→## Quick Start
     6→
     7→```bash
     8→# Abrir app
     9→open ~/Apps/macOS/ClaudeCodeAI/ClaudeCodeAI.app
    10→
    11→# Ou rebuild
    12→cd ~/Apps/macOS/ClaudeCodeAI
    13→xcodebuild -scheme ClaudeCodeAI build
    14→```
    15→
    16→## Configuração
    17→
    18→**API Key já configurada no código** (Admin Mode).
    19→Basta abrir o app e começar a usar.
    20→
    21→## Features
    22→
    23→- ✅ Chat com streaming em tempo real
    24→- ✅ Histórico de conversas persistente (SwiftData)
    25→- ✅ Sidebar com busca
    26→- ✅ Seleção de modelo (Opus/Sonnet/Haiku)
    27→- ✅ System prompt customizável
    28→- ✅ Atalhos de teclado (⌘N nova conversa, ⌘, settings)
    29→- ✅ Dark mode nativo
    30→
    31→## Estrutura
    32→
    33→```
    34→ClaudeCodeAI/
    35→├── App/
    36→│   ├── ClaudeCodeAIApp.swift    # Entry point
    37→│   └── ContentView.swift        # Main view
    38→├── Models/
    39→│   ├── Message.swift            # @Model mensagem
    40→│   ├── Conversation.swift       # @Model conversa
    41→│   └── APIModels.swift          # Request/Response structs
    42→├── Views/
    43→│   ├── ChatView.swift           # Interface de chat
    44→│   ├── MessageBubble.swift      # Componente de mensagem
    45→│   ├── InputField.swift         # Campo de entrada
    46→│   ├── SidebarView.swift        # Histórico
    47→│   └── SettingsView.swift       # Configurações
    48→└── Services/
    49→    ├── ClaudeAPIService.swift   # Integração API
    50→    └── ContextManager.swift     # Gerencia contexto
    51→```
    52→
    53→## Tech Stack
    54→
    55→- SwiftUI
    56→- SwiftData
    57→- Anthropic Claude API
    58→- macOS 14+
    59→
    60→## Bundle ID
    61→
    62→`com.neog.ClaudeCodeAI`
    63→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

# Claude Code AI - macOS App

App macOS standalone com Claude AI integrado. **Admin Mode** - API já configurada.

## Quick Start

```bash
# Abrir app
open ~/Apps/macOS/ClaudeCodeAI/ClaudeCodeAI.app

# Ou rebuild
cd ~/Apps/macOS/ClaudeCodeAI
xcodebuild -scheme ClaudeCodeAI build
```

## Configuração

**API Key já configurada no código** (Admin Mode).
Basta abrir o app e começar a usar.

## Features

- ✅ Chat com streaming em tempo real
- ✅ Histórico de conversas persistente (SwiftData)
- ✅ Sidebar com busca
- ✅ Seleção de modelo (Opus/Sonnet/Haiku)
- ✅ System prompt customizável
- ✅ Atalhos de teclado (⌘N nova conversa, ⌘, settings)
- ✅ Dark mode nativo

## Estrutura

```
ClaudeCodeAI/
├── App/
│   ├── ClaudeCodeAIApp.swift    # Entry point
│   └── ContentView.swift        # Main view
├── Models/
│   ├── Message.swift            # @Model mensagem
│   ├── Conversation.swift       # @Model conversa
│   └── APIModels.swift          # Request/Response structs
├── Views/
│   ├── ChatView.swift           # Interface de chat
│   ├── MessageBubble.swift      # Componente de mensagem
│   ├── InputField.swift         # Campo de entrada
│   ├── SidebarView.swift        # Histórico
│   └── SettingsView.swift       # Configurações
└── Services/
    ├── ClaudeAPIService.swift   # Integração API
    └── ContextManager.swift     # Gerencia contexto
```

## Tech Stack

- SwiftUI
- SwiftData
- Anthropic Claude API
- macOS 14+

## Bundle ID

`com.neog.ClaudeCodeAI`


     1→import SwiftUI
     2→
     3→struct DashboardView: View {
     4→    @EnvironmentObject var dataManager: DataManager
     5→    @State private var showingAddTransaction = false
     6→
     7→    var body: some View {
     8→        NavigationStack {
     9→            ScrollView {
    10→                VStack(spacing: 20) {
    11→                    // Card principal de saldo
    12→                    BalanceCard(
    13→                        balance: dataManager.monthlyBalance,
    14→                        income: dataManager.totalIncome,
    15→                        expenses: dataManager.totalExpenses + dataManager.totalDebtPayments
    16→                    )
    17→                    .padding(.horizontal)
    18→
    19→                    // Status rapido
    20→                    StatusBanner(summary: dataManager.summary)
    21→                        .padding(.horizontal)
    22→
    23→                    // Dividas proximas
    24→                    if !dataManager.upcomingDebts.isEmpty {
    25→                        VStack(alignment: .leading, spacing: 12) {
    26→                            Text("Proximos Vencimentos")
    27→                                .font(.headline)
    28→                                .padding(.horizontal)
    29→
    30→                            ForEach(dataManager.upcomingDebts.prefix(3)) { debt in
    31→                                DebtRowCompact(debt: debt)
    32→                                    .padding(.horizontal)
    33→                            }
    34→                        }
    35→                    }
    36→
    37→                    // Resumo do mes
    38→                    VStack(alignment: .leading, spacing: 12) {
    39→                        Text("Resumo Mensal")
    40→                            .font(.headline)
    41→                            .padding(.horizontal)
    42→
    43→                        LazyVGrid(columns: [
    44→                            GridItem(.flexible()),
    45→                            GridItem(.flexible())
    46→                        ], spacing: 12) {
    47→                            StatCard(
    48→                                title: "Receita Fixa",
    49→                                value: dataManager.recurringIncome.formatted(.currency(code: "BRL")),
    50→                                icon: "arrow.up.circle.fill",
    51→                                color: .green
    52→                            )
    53→
    54→                            StatCard(
    55→                                title: "Gasto Fixo",
    56→                                value: dataManager.recurringExpenses.formatted(.currency(code: "BRL")),
    57→                                icon: "arrow.down.circle.fill",
    58→                                color: .orange
    59→                            )
    60→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

import SwiftUI

struct DashboardView: View {
    @EnvironmentObject var dataManager: DataManager
    @State private var showingAddTransaction = false

    var body: some View {
        NavigationStack {
            ScrollView {
                VStack(spacing: 20) {
                    // Card principal de saldo
                    BalanceCard(
                        balance: dataManager.monthlyBalance,
                        income: dataManager.totalIncome,
                        expenses: dataManager.totalExpenses + dataManager.totalDebtPayments
                    )
                    .padding(.horizontal)

                    // Status rapido
                    StatusBanner(summary: dataManager.summary)
                        .padding(.horizontal)

                    // Dividas proximas
                    if !dataManager.upcomingDebts.isEmpty {
                        VStack(alignment: .leading, spacing: 12) {
                            Text("Proximos Vencimentos")
                                .font(.headline)
                                .padding(.horizontal)

                            ForEach(dataManager.upcomingDebts.prefix(3)) { debt in
                                DebtRowCompact(debt: debt)
                                    .padding(.horizontal)
                            }
                        }
                    }

                    // Resumo do mes
                    VStack(alignment: .leading, spacing: 12) {
                        Text("Resumo Mensal")
                            .font(.headline)
                            .padding(.horizontal)

                        LazyVGrid(columns: [
                            GridItem(.flexible()),
                            GridItem(.flexible())
                        ], spacing: 12) {
                            StatCard(
                                title: "Receita Fixa",
                                value: dataManager.recurringIncome.formatted(.currency(code: "BRL")),
                                icon: "arrow.up.circle.fill",
                                color: .green
                            )

                            StatCard(
                                title: "Gasto Fixo",
                                value: dataManager.recurringExpenses.formatted(.currency(code: "BRL")),
                                icon: "arrow.down.circle.fill",
                                color: .orange
                            )


Let me examine a few more files to understand the extension patterns and view organization:


tree -L 3 /Users/neog/Apps/iOS/PROD-ProductivityHub/ | head -50

Get directory tree of ProductivityHub


     1→//
     2→//  Double+Currency.swift
     3→//  MeusFIIs
     4→//
     5→//  Created by NEOG on 04/12/2025.
     6→//
     7→
     8→import Foundation
     9→
    10→extension Double {
    11→    /// Formats the double as Brazilian Real currency (R$)
    12→    func toBRL() -> String {
    13→        let formatter = NumberFormatter()
    14→        formatter.locale = Locale(identifier: "pt_BR")
    15→        formatter.numberStyle = .currency
    16→        formatter.currencySymbol = "R$"
    17→        formatter.minimumFractionDigits = 2
    18→        formatter.maximumFractionDigits = 2
    19→        return formatter.string(from: NSNumber(value: self)) ?? "R$ 0,00"
    20→    }
    21→
    22→    /// Formats the double as a compact currency (e.g., R$ 1,5K, R$ 2,3M)
    23→    func toBRLCompact() -> String {
    24→        let absValue = abs(self)
    25→        let sign = self < 0 ? "-" : ""
    26→
    27→        switch absValue {
    28→        case 1_000_000_000...:
    29→            return "\(sign)R$ \(String(format: "%.1f", absValue / 1_000_000_000))B"
    30→        case 1_000_000...:
    31→            return "\(sign)R$ \(String(format: "%.1f", absValue / 1_000_000))M"
    32→        case 1_000...:
    33→            return "\(sign)R$ \(String(format: "%.1f", absValue / 1_000))K"
    34→        default:
    35→            return toBRL()
    36→        }
    37→    }
    38→
    39→    /// Formats as percentage with sign
    40→    func toPercentage(decimals: Int = 2, showSign: Bool = true) -> String {
    41→        let sign = showSign && self >= 0 ? "+" : ""
    42→        return "\(sign)\(String(format: "%.\(decimals)f", self))%"
    43→    }
    44→
    45→    /// Formats as a large number with abbreviation
    46→    func toAbbreviated() -> String {
    47→        let absValue = abs(self)
    48→        let sign = self < 0 ? "-" : ""
    49→
    50→        switch absValue {
    51→        case 1_000_000_000...:
    52→            return "\(sign)\(String(format: "%.2f", absValue / 1_000_000_000))B"
    53→        case 1_000_000...:
    54→            return "\(sign)\(String(format: "%.2f", absValue / 1_000_000))M"
    55→        case 1_000...:
    56→            return "\(sign)\(String(format: "%.2f", absValue / 1_000))K"
    57→        default:
    58→            return String(format: "%.2f", self)
    59→        }
    60→    }
    61→}
    62→
    63→extension Int {
    64→    /// Formats as quantity with abbreviation
    65→    func toAbbreviated() -> String {
    66→        return Double(self).toAbbreviated()
    67→    }
    68→}
    69→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

//
//  Double+Currency.swift
//  MeusFIIs
//
//  Created by NEOG on 04/12/2025.
//

import Foundation

extension Double {
    /// Formats the double as Brazilian Real currency (R$)
    func toBRL() -> String {
        let formatter = NumberFormatter()
        formatter.locale = Locale(identifier: "pt_BR")
        formatter.numberStyle = .currency
        formatter.currencySymbol = "R$"
        formatter.minimumFractionDigits = 2
        formatter.maximumFractionDigits = 2
        return formatter.string(from: NSNumber(value: self)) ?? "R$ 0,00"
    }

    /// Formats the double as a compact currency (e.g., R$ 1,5K, R$ 2,3M)
    func toBRLCompact() -> String {
        let absValue = abs(self)
        let sign = self < 0 ? "-" : ""

        switch absValue {
        case 1_000_000_000...:
            return "\(sign)R$ \(String(format: "%.1f", absValue / 1_000_000_000))B"
        case 1_000_000...:
            return "\(sign)R$ \(String(format: "%.1f", absValue / 1_000_000))M"
        case 1_000...:
            return "\(sign)R$ \(String(format: "%.1f", absValue / 1_000))K"
        default:
            return toBRL()
        }
    }

    /// Formats as percentage with sign
    func toPercentage(decimals: Int = 2, showSign: Bool = true) -> String {
        let sign = showSign && self >= 0 ? "+" : ""
        return "\(sign)\(String(format: "%.\(decimals)f", self))%"
    }

    /// Formats as a large number with abbreviation
    func toAbbreviated() -> String {
        let absValue = abs(self)
        let sign = self < 0 ? "-" : ""

        switch absValue {
        case 1_000_000_000...:
            return "\(sign)\(String(format: "%.2f", absValue / 1_000_000_000))B"
        case 1_000_000...:
            return "\(sign)\(String(format: "%.2f", absValue / 1_000_000))M"
        case 1_000...:
            return "\(sign)\(String(format: "%.2f", absValue / 1_000))K"
        default:
            return String(format: "%.2f", self)
        }
    }
}

extension Int {
    /// Formats as quantity with abbreviation
    func toAbbreviated() -> String {
        return Double(self).toAbbreviated()
    }
}


     1→//
     2→//  MainTabView.swift
     3→//  ProductivityHub-iOS
     4→//
     5→//  Adaptive navigation: TabView on iPhone, NavigationSplitView on iPad/Mac
     6→//  Optimized for "Designed for iPad" on Mac
     7→//
     8→
     9→import SwiftUI
    10→
    11→// MARK: - Navigation Item Enum
    12→enum NavigationItem: String, CaseIterable, Identifiable {
    13→    case focus = "Focus"
    14→    case tasks = "Tasks"
    15→    case journal = "Journal"
    16→    case insights = "Insights"
    17→    case settings = "Settings"
    18→
    19→    var id: String { rawValue }
    20→
    21→    var icon: String {
    22→        switch self {
    23→        case .focus: return "timer"
    24→        case .tasks: return "checklist"
    25→        case .journal: return "book.fill"
    26→        case .insights: return "chart.bar.fill"
    27→        case .settings: return "gearshape.fill"
    28→        }
    29→    }
    30→
    31→    var subtitle: String {
    32→        switch self {
    33→        case .focus: return "Deep work & Pomodoro"
    34→        case .tasks: return "Manage your tasks"
    35→        case .journal: return "Daily reflections"
    36→        case .insights: return "Track your progress"
    37→        case .settings: return "App preferences"
    38→        }
    39→    }
    40→
    41→    var keyboardShortcut: KeyEquivalent {
    42→        switch self {
    43→        case .focus: return "1"
    44→        case .tasks: return "2"
    45→        case .journal: return "3"
    46→        case .insights: return "4"
    47→        case .settings: return "5"
    48→        }
    49→    }
    50→}

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

//
//  MainTabView.swift
//  ProductivityHub-iOS
//
//  Adaptive navigation: TabView on iPhone, NavigationSplitView on iPad/Mac
//  Optimized for "Designed for iPad" on Mac
//

import SwiftUI

// MARK: - Navigation Item Enum
enum NavigationItem: String, CaseIterable, Identifiable {
    case focus = "Focus"
    case tasks = "Tasks"
    case journal = "Journal"
    case insights = "Insights"
    case settings = "Settings"

    var id: String { rawValue }

    var icon: String {
        switch self {
        case .focus: return "timer"
        case .tasks: return "checklist"
        case .journal: return "book.fill"
        case .insights: return "chart.bar.fill"
        case .settings: return "gearshape.fill"
        }
    }

    var subtitle: String {
        switch self {
        case .focus: return "Deep work & Pomodoro"
        case .tasks: return "Manage your tasks"
        case .journal: return "Daily reflections"
        case .insights: return "Track your progress"
        case .settings: return "App preferences"
        }
    }

    var keyboardShortcut: KeyEquivalent {
        switch self {
        case .focus: return "1"
        case .tasks: return "2"
        case .journal: return "3"
        case .insights: return "4"
        case .settings: return "5"
        }
    }
}


(eval):1: command not found: tree


Let me get a better directory structure and examine a few more files:


find /Users/neog/Apps/iOS/PROD-ProductivityHub -type d -not -path '*/.*' | sort | head -20

List directories in ProductivityHub


find /Users/neog/Apps/iOS/FIN-CashFlow -type d -not -path '*/.*' | sort

List directories in CashFlow


List Features directory in ProductivityHub


total 0
drwxr-xr-x@  7 neog  staff   224 Dec  2 18:37 .
drwxr-xr-x@ 61 neog  staff  1952 Dec 21 20:52 ..
drwxr-xr-x@  3 neog  staff    96 Dec  2 16:31 Focus
drwxr-xr-x@  3 neog  staff    96 Dec  2 16:34 Insights
drwxr-xr-x@  3 neog  staff    96 Dec  2 16:33 Journal
drwxr-xr-x@  4 neog  staff   128 Nov 29 15:47 Settings
drwxr-xr-x@  3 neog  staff    96 Dec  2 16:31 Tasks


Perfect! Now let me check one more thing - the iOS app count and see if there's any other patterns I should note:


Count iOS apps


grep -l "SwiftUI" /Users/neog/Apps/iOS/*/App/*.swift 2>/dev/null | head -5

Check which apps use SwiftUI


grep -l "SwiftData" /Users/neog/Apps/iOS/FIN-*/App/*.swift 2>/dev/null

Check which finance apps use SwiftData


Excellent! Now I have comprehensive information. Let me compile my findings into a detailed summary.

## Summary of iOS/macOS Apps Architecture and Patterns

Based on my exploration of the ~/Apps/ directory, here's a detailed analysis of the existing iOS and macOS application structure, patterns, and best practices:

### App Inventory

**iOS Apps:** 33 active apps organized with prefixes (PROD-, FIN-, EMAIL-, etc.)
**macOS Apps:** 12 apps with similar organizational patterns

### Architecture Patterns

#### 1. **SwiftUI First (100% adoption)**
All modern apps use SwiftUI exclusively. Key observations:
- **@main entry point** in App.swift files
- Minimal boilerplate, declarative UI
- Support for iOS 17.0+

#### 2. **Persistent Storage Patterns**

**Option A: UserDefaults (Lighter apps)**
- Used in: PROD-ProductivityHub, FIN-CashFlow
- Pattern: Singleton `DataManager` with `@StateObject`
- Backup system: 3-layer cascading backup (primary + 2 backups)
- Example keys: `"cashflow_transactions"`, `"ProductivityHub_Tasks"`

**Option B: SwiftData (Heavier apps)**
- Used in: FIN-MeusFIIs, ClaudeCodeAI (macOS)
- Pattern: `ModelContainer` with CloudKit fallback
- CloudKit integration: `cloudKitDatabase: .private("iCloud.com.neog.*")`
- Graceful degradation: CloudKit → Local → In-Memory

**Example (MeusFIIs):**
```swift
let modelConfiguration = ModelConfiguration(
    schema: schema,
    isStoredInMemoryOnly: false,
    allowsSave: true,
    cloudKitDatabase: .private("iCloud.com.neog.meusfiis")
)
```

#### 3. **State Management Architecture**

**MVVM Pattern:**
- All apps follow Model-View-ViewModel structure
- `@Observable` macro (iOS 17+) in DataManager instead of older `@ObservableObject`
- Computed properties for derived data (totalIncome, monthlyBalance, etc.)

**Singleton Pattern (Consistent):**
```swift
@MainActor
class DataManager: ObservableObject {
    static let shared = DataManager()
    @Published var data: [Item] = []
}
```

**Environment Injection:**
```swift
@StateObject private var dataManager = DataManager.shared
.environmentObject(dataManager)
```

#### 4. **Navigation & UI Patterns**

**Tab-Based (Most Common):**
- iPhone: `TabView` with 5+ tabs (bottom navigation)
- iPad/Mac: `NavigationSplitView` with sidebar
- Adaptive detection using `horizontalSizeClass`

**Example (ProductivityHub):**
- Focus tab (timer/Pomodoro)
- Tasks tab (management)
- Journal tab (daily entries)
- Insights tab (statistics)
- Settings tab (preferences)

**Example (CashFlow):**
- Dashboard (main overview)
- Transactions (add/view)
- Debts (tracking)
- Settings

#### 5. **Data Models**

**Common Patterns:**

**Enum-based Configuration:**
```swift
enum TransactionType: String, Codable, CaseIterable {
    case income, expense
}

enum TaskPriority: String, Codable, CaseIterable {
    case low, medium, high, urgent
    var color: Color { ... }
}
```

**Identifiable Structs:**
```swift
struct Transaction: Identifiable, Codable {
    let id: UUID
    var type: TransactionType
    var amount: Double
    var date: Date
}
```

**SwiftData Models:**
```swift
@Model
final class FII {
    var ticker: String
    var name: String
    var currentPrice: Double
    var dividendYield: Double
}
```

#### 6. **Services Layer**

**Single-Responsibility Services:**

- **DataManager:** CRUD operations, persistence, computed properties
- **TimerService:** Background timer, notifications (ProductivityHub)
- **NotificationService:** Local push notifications
- **ExportService:** Data export (JSON/CSV)
- **CloudKitSyncService:** iCloud synchronization
- **HapticManager:** Tactile feedback across the app

**Example (DataManager pattern):**
```swift
var currentMonthTransactions: [Transaction] {
    transactions.filter { calendar.isDate($0.date, equalTo: Date(), toGranularity: .month) }
}

var monthlyBalance: Double {
    totalIncome - totalExpenses - totalDebtPayments
}
```

#### 7. **Directory Structure (Standard Template)**

```
AppName-iOS/
├── App/
│   ├── AppNameApp.swift        # @main entry + configuration
│   └── MainTabView.swift       # Navigation hub
├── Models/
│   ├── DataModel.swift         # Core entities
│   ├── Enums.swift             # Codable enums
│   └── SharedModels.swift      # Shared types
├── Services/
│   ├── DataManager.swift       # Singleton persistence
│   ├── SpecializedService.swift # Feature-specific logic
│   └── HapticManager.swift     # Utilities
├── Views/
│   ├── Feature1/
│   │   ├── Feature1View.swift
│   │   └── Components/
│   ├── Feature2/
│   └── Settings/
├── Components/
│   ├── CommonComponent.swift   # Reusable UI
│   └── Cards/
├── Extensions/
│   ├── Double+Currency.swift   # Formatting helpers
│   ├── Date+Extensions.swift
│   └── View+Helpers.swift
├── Resources/
│   └── Assets.xcassets         # Images, colors, icons
└── Info.plist
```

### Finance App Specific Patterns

**FIN-CashFlow (Simple):**
- Transactions + Debts tracking
- Monthly rollup calculations
- Recurring transaction support
- UserDefaults persistence

**FIN-MeusFIIs (Complex):**
- SwiftData + CloudKit sync
- Web scraping service (B3 data)
- AI integration (LM Studio at 192.168.1.96:1234)
- RSS feed parsing (news service)
- Multi-tab interface with 6 tabs

### Extension Patterns

**Formatting Utilities (Heavily Used):**
```swift
// Double+Currency.swift
extension Double {
    func toBRL() -> String { ... }           // R$ 1.234,56
    func toBRLCompact() -> String { ... }   // R$ 1,2K
    func toPercentage(decimals: Int) -> String { ... }
}

// Date+Extensions.swift
extension Date {
    var startOfMonth: Date { ... }
    var endOfMonth: Date { ... }
}
```

### macOS App Pattern (ClaudeCodeAI)

**Differences from iOS:**
- Still SwiftUI + SwiftData
- Keyboard shortcuts (`⌘N`, `⌘,`)
- Sidebar navigation instead of tab bar
- Streaming API responses in real-time
- Admin mode (API key pre-configured)

**Structure:**
```
ClaudeCodeAI/
├── App/
├── Models/       # Message, Conversation, APIModels
├── Views/        # ChatView, SidebarView, SettingsView
└── Services/     # ClaudeAPIService, ContextManager
```

### Key Technical Decisions

1. **No external dependencies** - All apps use only Apple frameworks (Foundation, SwiftUI, SwiftData)
2. **Local-first approach** - Primary focus on local persistence, cloud as optional sync
3. **Zero-friction onboarding** - Minimal setup, sensible defaults
4. **Haptic feedback** - Consistent across all interactions
5. **Dark mode** - Native support, no custom theming
6. **Adaptive UI** - iPhone → iPad → Mac with single codebase

### Finance-Related Code Reuse Opportunities

1. **Currency formatting** (Double+Currency.swift) - directly applicable
2. **Date calculations** - already in extensions
3. **Recurring transaction logic** - from CashFlow app
4. **Transaction categorization** - enum pattern proven
5. **Monthly rollup calculations** - DataManager computed properties
6. **Dashboard cards** - reusable stat card components

### File Paths Summary

Key reference apps:
- **ProductivityHub (MVVM reference):** /Users/neog/Apps/iOS/PROD-ProductivityHub
- **CashFlow (Simple finance):** /Users/neog/Apps/iOS/FIN-CashFlow
- **MeusFIIs (Complex finance):** /Users/neog/Apps/iOS/FIN-MeusFIIs
- **ClaudeCodeAI (macOS example):** /Users/neog/Apps/macOS/ClaudeCodeAI

This architecture is production-ready and demonstrates industry best practices for Apple platform development.