Add Financial Advisory AI Demo with ProllyTree Integration

[zhangfengcdt]

This PR introduces a comprehensive Financial Advisory AI demonstration that showcases ProllyTree's capabilities as a
versioned, git-backed storage system for financial data and AI-powered recommendations. The demo implements a
full-featured financial advisory system with memory consistency, security monitoring, and temporal querying
capabilities.

Interactive Financial Advisory System

• Multi-source Market Data Validation: Fetches and cross-validates stock data from simulated Bloomberg, Yahoo
  Finance, and Alpha Vantage APIs
• AI-Powered Recommendations: Integrates with OpenAI GPT-3.5 for intelligent investment analysis and reasoning
• Client Risk Profiling: Supports different risk tolerance levels (Conservative, Moderate, Aggressive) with
  personalized recommendations

Advanced Memory Management

• Versioned Memory Store: Git-backed storage using ProllyTree for complete audit trails and time-travel capabilities
• SQL Layer Integration: Uses GlueSQL with ProllyStorage for structured queries over versioned data
• Memory Consistency Checking: Cross-validation of data sources with contradiction detection and branch isolation
• Temporal Queries: Query historical recommendations and market data at specific points in time

Security & Compliance

• Injection Attack Detection: Built-in security monitoring that detects and prevents malicious input
• Cryptographic Audit Trail: Complete, tamper-proof logging of all decisions and data changes
• Memory Validation: Multi-source validation with confidence scoring and cross-referencing
• Regulatory Compliance: Full audit capabilities for financial compliance requirements