Rebuild CRM experience with Vite React and API endpoints

[112-stack]

Summary

• replace the Flask templates with JSON-first endpoints for prediction, chat, and document comparison, backed by structured OpenAI prompts and metric extraction helpers【F:app/routes.py†L23-L285】【F:app/chatgpt_client.py†L22-L220】
• introduce a Vite React CRM workspace with routed dashboards for data management, predictive intelligence, risk posture, AI advisor, and comparison workflows【F:crm-ui/src/App.tsx†L1-L27】【F:crm-ui/src/pages/PredictiveIntelligence.tsx†L25-L160】【F:crm-ui/src/pages/ComparisonLab.tsx†L23-L155】
• refresh documentation and installer scripts to cover the Python API and Node-based UI setup, plus updated environment samples【F:README.md†L1-L102】【F:install.py†L1-L44】【F:install.bat†L1-L45】【F:.env.example†L1-L4】【F:crm-ui/.env.example†L1-L1】

Testing

• python -m compileall app install.py app.py【1607d1†L1-L7】

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Codex Task