Fusion 315892a286 feat(FN-2173): add auto-fallback flow for dev server preview ...

- Add preview embed diagnostics with richer error classification and fallback state handling
- Improve PreviewIframe and DevServerView retry UX for timeout and iframe failure states
- Adjust preview layout/styles to prevent clipping and header overflow while keeping fallback panels centered
- Expand dashboard tests to cover fallback transitions, retry flows, and responsive CSS behavior

2026-04-20 22:10:07 -07:00

2.9 KiB

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