Multiple parameters/collections in prompt action.

[nupur-khare]

1. Gave prompt-specific hyperparameters, collection top_results, and similarity_threshold.
2. Added unit and integration test cases.
3. Fixed test cases.

Summary by CodeRabbit

• New Features

  • Enhanced the handling of prompts and parameters for the GPT model, including similarity and query prompts.
  • Introduced new fields in the API models for improved configuration and validation of prompts.

• Improvements

  • Adjusted validation logic for various fields to ensure better data integrity and user input handling.
  • Improved prompt action retrieval based on collection names, enhancing the user's ability to organize and manage prompts.
  • Refined the control flow and logic for processing query and similarity prompts to deliver more accurate responses.

• Bug Fixes

  • Resolved issues with prompt validation checks, ensuring that prompts with empty collections raise appropriate exceptions.

• Documentation

  • Updated HTTP request and response structures in integration tests to reflect new and removed fields.
  • Aligned unit test assertions with the latest changes in prompt action configuration and validation logic.