…ules

## Changes made
- Updated non-interactive mode description to use `task_prompt` variable
- Added new parameters for AI provider, model, and API key configuration
- Revised usage examples to include OpenAI and custom provider setups
- Enhanced task reporting instructions and system prompt customization
- Clarified available AI providers and models with default settings

## Changes made
- Added tests for handling task prompts and custom system prompts
- Implemented tests for configuring Aider with known and custom AI providers, models, and API keys
- Updated assertions to verify the correct environment variable exports and script outputs

…nd AI integration

## Changes made
- Replaced `experiment_task_conventions` variable with `system_prompt` for improved task reporting instructions
- Introduced new variables for AI provider, model, and API key configuration
- Enhanced task reporting logic to ensure accurate status updates and summaries
- Updated installation scripts to handle package installations with or without sudo privileges
- Improved tmux and screen session management for Aider execution