feat: Final auto-sync logic, manual seed button and REW branding

feat: Implement auto-seeding on backend startup and absolute DB path

fix: Enhance search sensitivity and add buyer to keyword filter

data: Add high-impact software tenders and pre-analyzed demo data

feat: Full UI/UX overhaul with Seed Data and Agentic Sync

fix: Switch to SQLite for cloud deployment

security: Remove sensitive .env file from repository

Force added backend .env

Initial commit: AndesOps AI Platform Demo Ready