feat(FN-3008): notify when model settings fall back to defaults

Merges FN-3008 to add a "fallback-used" notification system: the engine now emits events when AI model fallbacks are triggered, dispatches notifications via ntfy/webhook providers, surfaces a session banner in the dashboard, and exposes a settings toggle to enable or disable these alerts.

Fusion-Task-Id: FN-3008
This commit is contained in:
Fusion
2026-05-02 19:51:05 -07:00
committed by gsxdsm
parent eed181ff80
commit e1c10721a3
26 changed files with 357 additions and 41 deletions

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"@runfusion/fusion": patch
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Add a dedicated `fallback-used` notification event that fires when Fusion recovers from a retryable model failure by switching to a configured fallback model, and expose it in global notification settings for ntfy/webhook filtering.