* refactor: Move http client into provider
* refactor: Rework ollama provider for work with internal http client
* refactor: Rework LM Studio provider to work with internal http client
* refactor: Rework Mistral AI to work with internal http client
* fix: Replace url and header to QNetworkRequest
* refactor: Rework Google provider to use internal http client
* refactor: OpenAI compatible providers switch to use internal http client
* fix: Remove m_requestHandler from tests
* refactor: Remove old handleData method
* fix: Remove LLMClientInterfaceTest
* feat: Add provider settings
* feat: Add Claude provider
* feat: Add Claude templates
* refactor: Setting input sensitivity
* fix: Back text after read code block
* fix: Add missing system message for ollama fim