chore(client): add model-context-window-exceeded-2025-08-26 beta header

Author: stainless-app[bot]

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 26
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/anthropic%2Fanthropic-fcf7231118f0af5d687971176bdce5a7a5effd1ba4d9fb937f30f26289f35d6b.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/anthropic%2Fanthropic-bf322c093e459a35404f84c71dbdf4133c6d1ec0e2c8b0a52226a672344a1a97.yml
 openapi_spec_hash: 592d90505082223899e0638ad56ba162
-config_hash: 98e00a1d3d57d183719c637f0c623535
+config_hash: 9f18bb8d1f1cf1e270e8e0783e4f5ee4

lib/anthropic/models/anthropic_beta.rb

@@ -39,6 +39,8 @@ module AnthropicBeta
 
       variant const: -> { Anthropic::Models::AnthropicBeta::CONTEXT_MANAGEMENT_2025_06_27 }
 
+      variant const: -> { Anthropic::Models::AnthropicBeta::MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26 }
+
       # @!method self.variants
       #   @return [Array(String, Symbol)]
 
@@ -64,6 +66,7 @@ module AnthropicBeta
       EXTENDED_CACHE_TTL_2025_04_11 = :"extended-cache-ttl-2025-04-11"
       CONTEXT_1M_2025_08_07 = :"context-1m-2025-08-07"
       CONTEXT_MANAGEMENT_2025_06_27 = :"context-management-2025-06-27"
+      MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26 = :"model-context-window-exceeded-2025-08-26"
 
       # @!endgroup
     end

rbi/anthropic/models/anthropic_beta.rbi

@@ -80,6 +80,11 @@ module Anthropic
           :"context-management-2025-06-27",
           Anthropic::AnthropicBeta::TaggedSymbol
         )
+      MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26 =
+        T.let(
+          :"model-context-window-exceeded-2025-08-26",
+          Anthropic::AnthropicBeta::TaggedSymbol
+        )
     end
   end
 end

sig/anthropic/models/anthropic_beta.rbs

@@ -18,6 +18,7 @@ module Anthropic
       | :"extended-cache-ttl-2025-04-11"
       | :"context-1m-2025-08-07"
       | :"context-management-2025-06-27"
+      | :"model-context-window-exceeded-2025-08-26"
 
     module AnthropicBeta
       extend Anthropic::Internal::Type::Union
@@ -40,6 +41,7 @@ module Anthropic
       EXTENDED_CACHE_TTL_2025_04_11: :"extended-cache-ttl-2025-04-11"
       CONTEXT_1M_2025_08_07: :"context-1m-2025-08-07"
       CONTEXT_MANAGEMENT_2025_06_27: :"context-management-2025-06-27"
+      MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26: :"model-context-window-exceeded-2025-08-26"
     end
   end
 end