feat(company-explorer): Initial Web UI & Backend with Enrichment Flow

This commit introduces the foundational elements for the new "Company Explorer" web application, marking a significant step away from the legacy Google Sheets / CLI system.

Key changes include:
- Project Structure: A new  directory with separate  (FastAPI) and  (React/Vite) components.
- Data Persistence: Migration from Google Sheets to a local SQLite database () using SQLAlchemy.
- Core Utilities: Extraction and cleanup of essential helper functions (LLM wrappers, text utilities) into .
- Backend Services: , ,  for AI-powered analysis, and  logic.
- Frontend UI: Basic React application with company table, import wizard, and dynamic inspector sidebar.
- Docker Integration: Updated  and  for multi-stage builds and sideloading.
- Deployment & Access: Integrated into central Nginx proxy and dashboard, accessible via .

Lessons Learned & Fixed during development:
- Frontend Asset Loading: Addressed issues with Vite's  path and FastAPI's .
- TypeScript Configuration: Added  and .
- Database Schema Evolution: Solved  errors by forcing a new database file and correcting  override.
- Logging: Implemented robust file-based logging ().

This new foundation provides a powerful and maintainable platform for future B2B robotics lead generation.

company-explorer/backend/lib/logging_setup.py

@@ -0,0 +1,39 @@
+import logging
+import sys
+import os
+from logging.handlers import RotatingFileHandler
+from ..config import settings
+
+def setup_logging():
+    log_file = os.path.join(settings.LOG_DIR, "company_explorer_debug.log")
+    
+    # Create Formatter
+    formatter = logging.Formatter(
+        "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
+    )
+    
+    # File Handler
+    try:
+        file_handler = RotatingFileHandler(log_file, maxBytes=10*1024*1024, backupCount=5)
+        file_handler.setFormatter(formatter)
+        file_handler.setLevel(logging.DEBUG)
+    except Exception as e:
+        print(f"FATAL: Could not create log file at {log_file}: {e}")
+        return
+    
+    # Console Handler
+    console_handler = logging.StreamHandler(sys.stdout)
+    console_handler.setFormatter(formatter)
+    console_handler.setLevel(logging.INFO) # Keep console clean
+    
+    # Root Logger Config
+    root_logger = logging.getLogger()
+    root_logger.setLevel(logging.DEBUG) # Catch ALL
+    root_logger.addHandler(file_handler)
+    root_logger.addHandler(console_handler)
+    
+    # Silence noisy libs partially
+    logging.getLogger("uvicorn.access").setLevel(logging.INFO)
+    logging.getLogger("sqlalchemy.engine").setLevel(logging.INFO) # Set to DEBUG to see SQL queries!
+    
+    logging.info(f"Logging initialized. Writing to {log_file}")