feat: Updated OpenAPI spec

src/libs/OpenRouter/Generated/OpenRouter.ISubpackageAnthropicMessagesClient.CreateMessages.g.cs

@@ -68,7 +68,7 @@ public partial interface ISubpackageAnthropicMessagesClient
         /// </param>
         /// <param name="serviceTier"></param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="speed"></param>
         /// <param name="stopSequences"></param>

src/libs/OpenRouter/Generated/OpenRouter.ISubpackageBetaResponsesClient.CreateResponses.g.cs

@@ -86,7 +86,7 @@ public partial interface ISubpackageBetaResponsesClient
         /// <param name="safetyIdentifier"></param>
         /// <param name="serviceTier"></param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="stopServerToolsWhen">
         /// Stop conditions for the server-tool agent loop. Any condition firing halts the loop (OR logic). When set, this overrides `max_tool_calls`.

src/libs/OpenRouter/Generated/OpenRouter.ISubpackageChatClient.SendChatCompletionRequest.g.cs

@@ -110,7 +110,7 @@ public partial interface ISubpackageChatClient
         /// The service tier to use for processing this request.
         /// </param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="stop">
         /// Stop sequences (up to 4)

src/libs/OpenRouter/Generated/OpenRouter.ISubpackagePresetsClient.CreatePresetsChatCompletions.g.cs

@@ -104,7 +104,7 @@ public partial interface ISubpackagePresetsClient
         /// The service tier to use for processing this request.
         /// </param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="stop">
         /// Stop sequences (up to 4)

src/libs/OpenRouter/Generated/OpenRouter.ISubpackagePresetsClient.CreatePresetsMessages.g.cs

@@ -62,7 +62,7 @@ public partial interface ISubpackagePresetsClient
         /// </param>
         /// <param name="serviceTier"></param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="speed"></param>
         /// <param name="stopSequences"></param>

src/libs/OpenRouter/Generated/OpenRouter.ISubpackagePresetsClient.CreatePresetsResponses.g.cs

@@ -80,7 +80,7 @@ public partial interface ISubpackagePresetsClient
         /// <param name="safetyIdentifier"></param>
         /// <param name="serviceTier"></param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="stopServerToolsWhen">
         /// Stop conditions for the server-tool agent loop. Any condition firing halts the loop (OR logic). When set, this overrides `max_tool_calls`.

src/libs/OpenRouter/Generated/OpenRouter.Models.ChatRequest.g.cs

@@ -145,7 +145,7 @@ public sealed partial class ChatRequest
         public global::OpenRouter.OneOf<global::OpenRouter.ChatRequestServiceTier?, object>? ServiceTier { get; set; }
 
         /// <summary>
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("session_id")]
         public string? SessionId { get; set; }
@@ -293,7 +293,7 @@ public sealed partial class ChatRequest
         /// The service tier to use for processing this request.
         /// </param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="stop">
         /// Stop sequences (up to 4)

src/libs/OpenRouter/Generated/OpenRouter.Models.MessagesRequest.g.cs

@@ -83,7 +83,7 @@ public sealed partial class MessagesRequest
         public string? ServiceTier { get; set; }
 
         /// <summary>
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("session_id")]
         public string? SessionId { get; set; }
@@ -202,7 +202,7 @@ public sealed partial class MessagesRequest
         /// </param>
         /// <param name="serviceTier"></param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="speed"></param>
         /// <param name="stopSequences"></param>

src/libs/OpenRouter/Generated/OpenRouter.Models.ResponsesRequest.g.cs

@@ -156,7 +156,7 @@ public sealed partial class ResponsesRequest
         public global::OpenRouter.OneOf<global::OpenRouter.ResponsesRequestServiceTier?, object>? ServiceTier { get; set; }
 
         /// <summary>
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </summary>
         [global::System.Text.Json.Serialization.JsonPropertyName("session_id")]
         public string? SessionId { get; set; }
@@ -291,7 +291,7 @@ public sealed partial class ResponsesRequest
         /// <param name="safetyIdentifier"></param>
         /// <param name="serviceTier"></param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="stopServerToolsWhen">
         /// Stop conditions for the server-tool agent loop. Any condition firing halts the loop (OR logic). When set, this overrides `max_tool_calls`.

src/libs/OpenRouter/Generated/OpenRouter.SubpackageAnthropicMessagesClient.CreateMessages.g.cs

@@ -741,7 +741,7 @@ partial void ProcessCreateMessagesResponseContent(
         /// </param>
         /// <param name="serviceTier"></param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="speed"></param>
         /// <param name="stopSequences"></param>

src/libs/OpenRouter/Generated/OpenRouter.SubpackageBetaResponsesClient.CreateResponses.g.cs

@@ -944,7 +944,7 @@ partial void ProcessCreateResponsesResponseContent(
         /// <param name="safetyIdentifier"></param>
         /// <param name="serviceTier"></param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="stopServerToolsWhen">
         /// Stop conditions for the server-tool agent loop. Any condition firing halts the loop (OR logic). When set, this overrides `max_tool_calls`.

src/libs/OpenRouter/Generated/OpenRouter.SubpackageChatClient.SendChatCompletionRequest.g.cs

@@ -968,7 +968,7 @@ partial void ProcessSendChatCompletionRequestResponseContent(
         /// The service tier to use for processing this request.
         /// </param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="stop">
         /// Stop sequences (up to 4)

src/libs/OpenRouter/Generated/OpenRouter.SubpackagePresetsClient.CreatePresetsChatCompletions.g.cs

@@ -734,7 +734,7 @@ partial void ProcessCreatePresetsChatCompletionsResponseContent(
         /// The service tier to use for processing this request.
         /// </param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="stop">
         /// Stop sequences (up to 4)

src/libs/OpenRouter/Generated/OpenRouter.SubpackagePresetsClient.CreatePresetsMessages.g.cs

@@ -692,7 +692,7 @@ partial void ProcessCreatePresetsMessagesResponseContent(
         /// </param>
         /// <param name="serviceTier"></param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="speed"></param>
         /// <param name="stopSequences"></param>

src/libs/OpenRouter/Generated/OpenRouter.SubpackagePresetsClient.CreatePresetsResponses.g.cs

@@ -710,7 +710,7 @@ partial void ProcessCreatePresetsResponsesResponseContent(
         /// <param name="safetyIdentifier"></param>
         /// <param name="serviceTier"></param>
         /// <param name="sessionId">
-        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow) for observability. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
+        /// A unique identifier for grouping related requests (e.g., a conversation or agent workflow). When provided, OpenRouter uses it as the sticky routing key, routing all requests in the session to the same provider to maximize prompt cache hits. Also used for observability grouping. If provided in both the request body and the x-session-id header, the body value takes precedence. Maximum of 256 characters.
         /// </param>
         /// <param name="stopServerToolsWhen">
         /// Stop conditions for the server-tool agent loop. Any condition firing halts the loop (OR logic). When set, this overrides `max_tool_calls`.