Truncate project codes by rune instead of byte to prevent invalid PostgreSQL UTF-8 sequences from mixed CJK and ASCII slugs. test(server): add PG pi-agent governance E2E and Phase 5 acceptance matrix Cover Chinese HTTP project create, pi-agent intake after workflow activate, authz negatives, activate idempotency, and migration version gate. Co-authored-by: Cursor <cursoragent@cursor.com>