Type Alias SpaAdapterOptions

Explicit build output directory relative to project root. Overrides auto-detection.

Routing model declared by the caller from the framework's build contract — NOT inferred from the filesystem.

• true → single-page app (framework: 'spa'): extensionless paths fall back to /index.html for client-side routing.
• false → multi-page static site (framework: 'static'): each route resolves to its own <path>/index.html (directory-index).

Sourced by getAdapter from the framework string. When omitted, keeps the historical SPA behavior so callers that don't declare a model keep working. The L3 still applies its own fallback heuristic when the manifest omits spaFallback entirely; here we always set it because the framework is known.