fix: Final fixes for demo

feat: tabs for patch agent and explanations, XSS prevention with html.escape

fix: demo data.json path in main.py fixed

fix: Used lazy imports for render to work

feat: Improved UI of streanlit

fix: static demo mode working, Neo4j availability checks on all UI actions

feat: agentic pipeline complete, 5-step deterministic workflow with RAG-enriched KB queries

feat: Pydantic schema validation on all scanner ingestion, 14 Bandit + 3 Trivy findings validated

feat: complete RAG-augmented LLM pipeline, all findings explained including real CVEs

Added LLM Explanations

Fix graph arrows, improve path normalization and Trivy loading

Initial required files created