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Document benign console warnings

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Add documentation explaining the harmless system-level warnings:
- CFPrefsPlistSource warning from UserDefaults with app groups
- "Failed to get or decode unavailable reasons" from CoreBluetooth

These are Apple framework issues that don't affect functionality
and appear in many production iOS apps.
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2025-07-22 11:42:34 +02:00
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CONSOLE_WARNINGS.md
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# Console Warnings Explanation
## Benign System Warnings
When running BitChat, you may see these warnings in the console. They are **harmless** and don't indicate any problems:
### 1. CFPrefsPlistSource Warning
```
Couldn't read values in CFPrefsPlistSource<0x...> (Domain: group.chat.bitchat, User: kCFPreferencesAnyUser, ByHost: Yes, Container: (null), Contents Need Refresh: Yes): Using kCFPreferencesAnyUser with a container is only allowed for System Containers, detaching from cfprefsd
```
**What it means**: This is a known Apple framework issue when using `UserDefaults` with app groups. The warning appears when the app shares data between the main app and the share extension.
**Impact**: None. App groups work correctly despite this warning.
**Can it be fixed?**: No. This is an Apple bug that has existed since iOS 8 and affects many production apps.
### 2. Failed to get or decode unavailable reasons
```
Failed to get or decode unavailable reasons
```
**What it means**: CoreBluetooth is checking why Bluetooth might be unavailable (airplane mode, Bluetooth off, etc.).
**Impact**: None. This is normal CoreBluetooth behavior.
**Can it be fixed?**: No. This is standard system behavior.
## Reducing Console Noise
If these warnings bother you during development:
1. In Xcode, edit your scheme
2. Add environment variable: `OS_ACTIVITY_MODE = disable`
3. Note: This will hide ALL system messages, not just these warnings
## Summary
These warnings are cosmetic issues in Apple's frameworks and don't affect the app's functionality. Many production iOS apps display similar warnings when using app groups or Bluetooth.