Fix memory leaks and add debug tools, remove ControlCenterTip

Memory optimization:
- Add onDisappear cleanup for repeatForever animations in LockScreenView
- Add onDisappear cleanup for animations in FeelsSubscriptionStoreView
- Add onDisappear cleanup in AddMoodHeaderView and PaywallPreviewSettingsView

Debug improvements:
- Add test data and clear data buttons to Settings (debug builds only)

TipKit changes:
- Remove ControlCenterTip (unused)
- Add TipKit-Tips.md documentation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docs/Apple-Features.md

@@ -126,7 +126,6 @@ This document covers the new Apple-specific features integrated into Feels, incl
 | WidgetVotingTip | Day view | After first mood log |
 | TimeViewTip | Day view header | After 2 days usage |
 | MoodStreakTip | Day view | When streak >= 3 |
-| ControlCenterTip | Settings | After 10 mood logs |
 
 ### How to Test
 1. Tips appear automatically based on conditions

docs/TipKit-Tips.md

@@ -0,0 +1,152 @@
+# TipKit Tips Documentation
+
+This document describes all TipKit tips implemented in the Feels app, including their display conditions and locations.
+
+## Overview
+
+Tips are managed by `TipsManager` (singleton) and configured with:
+- **Display Frequency**: Daily
+- **Datastore Location**: Application default
+
+---
+
+## Tips
+
+### 1. CustomizeLayoutTip
+
+**Title**: "Personalize Your Experience"
+**Message**: "Tap here to customize mood icons, colors, and layouts."
+**Icon**: `paintbrush`
+
+**Display Conditions**: Always eligible (no rules)
+
+**Location**: CustomizeContentView (top of the Customize tab in Settings)
+
+---
+
+### 2. AIInsightsTip
+
+**Title**: "Discover AI Insights"
+**Message**: "Get personalized insights about your mood patterns powered by Apple Intelligence."
+**Icon**: `brain`
+
+**Display Conditions**:
+- User has logged at least **7 moods**
+
+**Parameter**: `hasLoggedMoods: Int` (incremented via `TipsManager.shared.onMoodLogged()`)
+
+**Location**: InsightsView
+
+---
+
+### 3. SiriShortcutTip
+
+**Title**: "Use Siri to Log Moods"
+**Message**: "Say 'Hey Siri, log my mood as great in Feels' for hands-free logging."
+**Icon**: `mic.fill`
+
+**Display Conditions**:
+- User has logged at least **3 moods**
+
+**Parameter**: `moodLogCount: Int` (incremented via `TipsManager.shared.onMoodLogged()`)
+
+**Location**: SettingsContentView (Features section header, via `.siriShortcutTip()`)
+
+---
+
+### 4. HealthKitSyncTip
+
+**Title**: "Sync with Apple Health"
+**Message**: "Connect to Apple Health to see your mood data alongside sleep, exercise, and more."
+**Icon**: `heart.fill`
+
+**Display Conditions**:
+- User has viewed the Settings screen
+
+**Parameter**: `hasSeenSettings: Bool` (set via `TipsManager.shared.onSettingsViewed()`)
+
+**Location**: SettingsContentView (Health Kit toggle, via `.healthKitSyncTip()`)
+
+---
+
+### 5. WidgetVotingTip
+
+**Title**: "Vote from Your Home Screen"
+**Message**: "Add the Mood Vote widget to quickly log your mood without opening the app."
+**Icon**: `square.grid.2x2`
+
+**Display Conditions**:
+- User has been using the app for at least **2 days**
+
+**Parameter**: `daysUsingApp: Int` (updated via `TipsManager.shared.updateDaysUsingApp(_:)`)
+
+**Location**: DayView
+
+---
+
+### 6. TimeViewTip
+
+**Title**: "View Your History"
+**Message**: "Switch between Day, Month, and Year views to see your mood patterns over time."
+**Icon**: `calendar`
+
+**Display Conditions**: Always eligible (no rules)
+
+**Location**: DayView
+
+---
+
+### 7. MoodStreakTip
+
+**Title**: "Build Your Streak!"
+**Message**: "Log your mood daily to build a streak. Consistency helps you understand your patterns."
+**Icon**: `flame.fill`
+
+**Display Conditions**:
+- User has a current streak of at least **3 days**
+
+**Parameter**: `currentStreak: Int` (updated via `TipsManager.shared.updateStreak(_:)`)
+
+**Location**: DayView
+
+---
+
+## TipsManager API
+
+```swift
+// Configure tips (call on app launch)
+TipsManager.shared.configure()
+
+// Reset all tips (for testing)
+TipsManager.shared.resetAllTips()
+
+// Update parameters
+TipsManager.shared.onMoodLogged()           // Increments mood log count
+TipsManager.shared.onSettingsViewed()       // Marks settings as viewed
+TipsManager.shared.updateDaysUsingApp(_:)   // Updates days using app
+TipsManager.shared.updateStreak(_:)         // Updates current streak
+```
+
+---
+
+## View Modifiers
+
+Tips can be attached to views using these convenience modifiers:
+
+```swift
+.customizeLayoutTip()
+.aiInsightsTip()
+.siriShortcutTip()
+.healthKitSyncTip()
+.widgetVotingTip()
+.timeViewTip()
+.moodStreakTip()
+```
+
+---
+
+## Files
+
+- **Definition**: `Shared/FeelsTips.swift`
+- **Manager**: `TipsManager` class in same file
+- **Configuration**: Called in `FeelsApp.swift`