Fix swiftlint errors

[max-rosenblattl]

Fix Swfitlint errors

♻️ Current situation & Problem

Currently, the PR analyzers don't pass because of multiple code analyzers failing.

⚙️ Release Notes

This PR fixes Swiftlint errors and warnings.

📚 Documentation

Only refactoring, no documentation needed.

✅ Testing

Please ensure that the PR meets the testing requirements set by CodeCov and that new functionality is appropriately tested.
This section describes important information about the tests and why some elements might not be testable.

Code of Conduct & Contributing Guidelines

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• I agree to follow the Code of Conduct and Contributing Guidelines.

[codecov]

Codecov Report

❌ Patch coverage is 3.70370% with 26 lines in your changes missing coverage. Please review.
✅ Project coverage is 9.72%. Comparing base (0b9ec99) to head (8e1b093).

Files with missing lines	Patch %	Lines
...rocessor/Context Window/ContextWindowHandler.swift	0.00%	13 Missing ⚠️
...ssor/Function Calling/Tools/SleepDataHandler.swift	0.00%	2 Missing ⚠️
HealthyLLMStudy/Processor/Persistance.swift	0.00%	2 Missing ⚠️
HealthyLLMStudy/Study/MainView.swift	0.00%	2 Missing ⚠️
...lthyLLM/HealthyLLM/Fetcher/HealthDataFetcher.swift	0.00%	1 Missing ⚠️
HealthyLLM/Onboarding/DownloadLLM.swift	0.00%	1 Missing ⚠️
...lthyLLMStudy/Extensions/Hardware+ModelNummer.swift	0.00%	1 Missing ⚠️
...cessor/Context Window/ContextWindowProcessor.swift	0.00%	1 Missing ⚠️
...or/Function Calling/FunctionCallingProcessor.swift	0.00%	1 Missing ⚠️
...or/Function Calling/Tools/WorkoutDataHandler.swift	0.00%	1 Missing ⚠️
... and 1 more

Additional details and impacted files

@@                     Coverage Diff                     @@
##           migrate-spezi-health-kit      #4      +/-   ##
===========================================================
+ Coverage                      4.29%   9.72%   +5.43%     
===========================================================
  Files                            69      69              
  Lines                           630     628       -2     
===========================================================
+ Hits                             27      61      +34     
+ Misses                          603     567      -36     

Files with missing lines	Coverage Δ
HealthyLLM/HealthyLLM/ChatInputView.swift	0.00% <ø> (ø)
HealthyLLM/HealthyLLM/HealthContextGenerator.swift	100.00% <ø> (ø)
HealthyLLM/HealthyLLM/HealthDataInterpreter.swift	25.00% <ø> (ø)
HealthyLLM/HealthyLLM/HealthyLLMChatView.swift	0.00% <ø> (ø)
HealthyLLM/HealthyLLM/HealthyLLMContext.swift	0.00% <ø> (ø)
HealthyLLM/HealthyLLM/HealthyLLMView.swift	0.00% <ø> (ø)
HealthyLLM/HealthyLLM/PromptExamplesView.swift	0.00% <ø> (ø)
HealthyLLM/HealthyLLM/PromptGenerator.swift	0.00% <ø> (ø)
HealthyLLM/HealthyLLM/SettingsView.swift	0.00% <ø> (ø)
HealthyLLM/HealthyLLMAppDelegate.swift	66.67% <ø> (ø)
... and 59 more

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