Architecture

File	Role
`src/index.ts`	HTTP server entry point
`src/routes.ts`	Route definitions
`src/mochi-framework/Mochi.ts`	`Mochi.serve()`, `page()`, `api()`, `ws()`, `sse()`
`src/mochi-framework/ComponentRegistry.ts`	SSR compilation, hydration preprocessing, client bundling
`src/mochi-framework/hooks.ts`	Middleware system (`Handle`, `sequence()`)
`src/mochi-framework/utils.ts`	`json()`, `error()`, gzip
`src/mochi-framework/HydratableIsland.ts`	Client-side custom element for island hydration
`src/mochi-framework/ServerIsland.ts`	Client-side custom element for server island fetching
`src/mochi-framework/serverIslandCrypto.ts`	HMAC signing/verification for server island props
`src/mochi-framework/types.ts`	Shared TypeScript types