to configure retry behavior for fallback models
refactor(fallback_handler.py): enhance fallback handling logic to
support both prompt-based and function-calling fallbacks with retries
fix(fallback_handler.py): update fallback model selection to return
dictionaries for better structure and access to model properties
refactor(ciayn_agent): integrate FallbackHandler into CiaynAgent for improved failure handling
fix(agent_utils): add missing newline for better readability in run_agent_with_retry function
test(fallback_handler): add unit tests for FallbackHandler to ensure correct failure handling and fallback logic
Ariel Frischer