Add support for dynamic model Resolution to ModelConfigService (#22578)

packages/core/src/routing/strategies/classifierStrategy.ts

@@ -180,6 +180,8 @@ export class ClassifierStrategy implements RoutingStrategy {
         routerResponse.model_choice,
         useGemini3_1,
         useCustomToolModel,
+        config.getHasAccessToPreviewModel?.() ?? true,
+        config,
       );
 
       return {

packages/core/src/routing/strategies/defaultStrategy.ts

@@ -26,6 +26,9 @@ export class DefaultStrategy implements TerminalStrategy {
     const defaultModel = resolveModel(
       config.getModel(),
       config.getGemini31LaunchedSync?.() ?? false,
+      false,
+      config.getHasAccessToPreviewModel?.() ?? true,
+      config,
     );
     return {
       model: defaultModel,

packages/core/src/routing/strategies/fallbackStrategy.ts

@@ -28,6 +28,9 @@ export class FallbackStrategy implements RoutingStrategy {
     const resolvedModel = resolveModel(
       requestedModel,
       config.getGemini31LaunchedSync?.() ?? false,
+      false,
+      config.getHasAccessToPreviewModel?.() ?? true,
+      config,
     );
     const service = config.getModelAvailabilityService();
     const snapshot = service.snapshot(resolvedModel);

packages/core/src/routing/strategies/numericalClassifierStrategy.ts

@@ -156,6 +156,8 @@ export class NumericalClassifierStrategy implements RoutingStrategy {
         modelAlias,
         useGemini3_1,
         useCustomToolModel,
+        config.getHasAccessToPreviewModel?.() ?? true,
+        config,
       );
 
       const latencyMs = Date.now() - startTime;

packages/core/src/routing/strategies/overrideStrategy.ts

@@ -38,6 +38,9 @@ export class OverrideStrategy implements RoutingStrategy {
       model: resolveModel(
         overrideModel,
         config.getGemini31LaunchedSync?.() ?? false,
+        false,
+        config.getHasAccessToPreviewModel?.() ?? true,
+        config,
       ),
       metadata: {
         source: this.name,