Refine portfolio data extraction in financial agent: Enhance JSON response to include total investment field, improve markdown handling, and validate JSON structure for better accuracy. Update error messages in tools.py to include debug information for input received.

Enhance portfolio extraction in financial agent: Update extraction logic to include total investment amount and improve handling of natural language inputs. Modify JSON response format and refine regex patterns for better accuracy in parsing holdings.

Enhance financial agent capabilities: Integrate OpenAI function calling for improved extraction of stock symbols, budget data, and portfolio information from natural language inputs. Update example queries in app.py and README.md to reflect new features and support for additional stocks.

Refactor portfolio analyzer in FinancialTools: simplified input extraction and handling, improved default portfolio logic, and enhanced analysis output with basic recommendations for diversification.

Refactor portfolio data extraction in FinancialAgent: enhanced support for JSON-like structures and simplified symbol parsing for holdings, ensuring more robust input handling.

Refactor financial tools: removed expense tracker functionality, updated budget planner keywords, and improved README with new tags and demo video link.

Update README.md to enhance project description, add detailed features, installation instructions, example prompts, and technical architecture for the Financial Advisory Agent. Changed emoji and color scheme for better representation.