Generate a SHA-256 content hash for the embedded hemx runtime, expose the hashed path from hemx-axum, serve immutable runtime headers, and update examples to load the hemx-owned path instead of fixed /hemx.js URLs.
req: axum_integration/005
Make the SaaS tutorial's settings route render a distinct full-page fallback while the enhanced handler still swaps the generated page panel and pushes history. This proves page-swap shape without relying only on the enhanced interaction path.
req: examples/001
req: page_swap/002