API Contract for shinyseo | Exported surface | Return value | Input contract | Required fields | Defaults | Output tags | Field map | Favicon and web app manifest fields | write_manifest() | update_meta() — reactive metadata updates | Parameters | Requirements | Example | Behavior notes

Reference for shinyseo | Main flow | Inputs | Required fields | Defaults | What tags are created | Open Graph | Twitter Card | Bing verification | Schema.org JSON-LD | Custom meta tags | Practical example | Favicon and web app manifest | SVG favicons need a PNG fallback | Reactive metadata with update_meta() | When to use it