fix: Improve CrewAI output extraction and sequential task execution

feat: Update ManagerAgent to clarify tool usage in hierarchical mode

feat: Implement FastAPI backend for FinResearch AI with research workflow endpoints

fix: Improve error logging and normalize ticker handling in financial data fetching

feat: Enable async execution for research and analysis tasks to support parallel processing

feat: Enhance OpenAI API key handling and load environment variables from multiple locations

feat: Update task creation to support parallel execution for research and analysis tasks

feat: Update task configurations to enforce memory saving and report structure requirements

feat: Enhance settings configuration with output directory and report quality parameters

feat: Implement structured report generation with validation and markdown output

feat: Enhance FinResearchCrew with detailed execution results and report validation

Add tools module for FinResearch AI with initial imports

Add News Search Tool for DuckDuckGo news retrieval and source verification

Add Memory Tool for ChromaDB-based context storage and retrieval

Add Financial Data Tool for Yahoo Finance API integration

Add base tool class and utilities for FinResearch tools

Add task configuration for Researcher, Analyst, Reporter, and Manager agents

Add settings module for application configuration and management

Add configuration module for FinResearch AI

Add agent configuration for Manager, Researcher, Analyst, and Reporter roles

Add ResearcherAgent class for qualitative market research and sentiment analysis

Add ReporterAgent class for investment report synthesis and management

Add ManagerAgent class to orchestrate research workflow and task delegation

Add base agent factory and utilities for agent creation and configuration loading

Add AnalystAgent class for quantitative financial analysis in FinResearch AI

Add __init__.py for agents module in FinResearch AI, defining agent imports and module exports

Add crew.py for FinResearch AI, implementing hierarchical multi-agent orchestration and task management

Add __init__.py for FinResearch AI project with versioning and author information