chore(api): override default casing for bearer auth scheme

api/openapi.cloud.yaml

@@ -23943,7 +23943,7 @@ components:
   securitySchemes:
     CloudTokenAuth:
       type: http
-      scheme: Bearer
+      scheme: bearer
       description: Cloud API token.
     CloudCookieAuth:
       type: apiKey
@@ -23952,7 +23952,7 @@ components:
       description: Cloud API web app cookie.
     CloudPortalTokenAuth:
       type: http
-      scheme: Bearer
+      scheme: bearer
       description: Cloud consumer portal token.
 servers:
   - url: https://openmeter.cloud

api/openapi.yaml

@@ -24983,7 +24983,7 @@ components:
   securitySchemes:
     PortalTokenAuth:
       type: http
-      scheme: Bearer
+      scheme: bearer
       description: Consumer portal token.
 servers:
   - url: https://127.0.0.1

api/spec/src/auth.tsp

@@ -4,4 +4,25 @@ using TypeSpec.Http;
  * Consumer portal token.
  */
 @friendlyName("PortalTokenAuth")
-model PortalTokenAuth is BearerAuth;
+model PortalTokenAuth is LowercaseBearerAuth;
+
+/**
+ * Bearer authentication (also called token authentication) is an HTTP authentication scheme that involves security tokens called bearer tokens.
+ * The name “Bearer authentication” can be understood as “give access to the bearer of this token.” The bearer token is a cryptic string, usually generated by the server in response to a login request.
+ * The client must send this token in the Authorization header when making requests to protected resources:
+ * ```
+ * Authorization: Bearer <token>
+ * ```
+ */
+@friendlyName("BearerAuth")
+model LowercaseBearerAuth {
+  /**
+   * Http authentication
+   */
+  type: AuthType.http;
+
+  /**
+   * Bearer auth scheme
+   */
+  scheme: "bearer";
+}

api/spec/src/cloud/auth.tsp

@@ -4,7 +4,7 @@ using TypeSpec.Http;
  * Cloud API token.
  */
 @friendlyName("CloudTokenAuth")
-model CloudTokenAuth is BearerAuth;
+model CloudTokenAuth is LowercaseBearerAuth;
 
 /**
  * Cloud API web app cookie.
@@ -16,4 +16,4 @@ model CloudCookieAuth is ApiKeyAuth<ApiKeyLocation.cookie, "__session">;
  * Cloud consumer portal token.
  */
 @friendlyName("CloudPortalTokenAuth")
-model CloudPortalTokenAuth is BearerAuth;
+model CloudPortalTokenAuth is LowercaseBearerAuth;