feat(core): generate model variants

packages/core/src/plugin/internal.ts

@@ -29,6 +29,7 @@ import { CommandPlugin } from "./command"
 import { ModelsDevPlugin } from "./models-dev"
 import { ProviderPlugins } from "./provider"
 import { SkillPlugin } from "./skill"
+import { VariantPlugin } from "./variant"
 
 export type Requirements =
   | AgentV2.Service
@@ -107,12 +108,13 @@ export const locationLayer = Layer.effectDiscard(
       yield* add(CommandPlugin.Plugin)
       yield* add(SkillPlugin.Plugin)
       yield* add(ModelsDevPlugin)
-      yield* add(ConfigProviderPlugin.Plugin)
       yield* add(ConfigAgentPlugin.Plugin)
       yield* add(ConfigCommandPlugin.Plugin)
       yield* add(ConfigSkillPlugin.Plugin)
       for (const item of ProviderPlugins) yield* add(item)
       yield* add(ConfigExternalPlugin.Plugin)
+      yield* add(ConfigProviderPlugin.Plugin)
+      yield* add(VariantPlugin.Plugin)
     }).pipe(Effect.withSpan("PluginInternal.boot"), Effect.forkScoped({ startImmediately: true }))
   }),
 ).pipe(