fix: PE review — WAL mode, FTS rebuild, consistency

fix: rename claude_md_rules → project_rules, Py3.9 compat, FTS migration

feat: add 6 hooks for full session lifecycle

feat: add Nora context injection pre-hook + session capture hook

fix: restore kernora.ai domain and ~/.kernora/ socket path

chore: update GitHub URLs to kernora-ai org

fix: revert nora-engine URLs back to kernora/nora

Rename repo URL: kernora/nora → kernora/nora-engine

Added architecture SVG diagram to README

Refined README: leaner, assumes Nora context, links to Claw Protocol

Initial release: Claude Claw — Claude Code adapter for Nora