fix: Correct Ktor external documentation link and update KDoc references

- Updated external documentation link from `ktor-client` to `ktor` in Dokka configuration.
- Replaced KDoc references to `io.ktor.server.auth.authenticate` with `Route.authenticate` for consistency.

Author: kpavlov

buildSrc/src/main/kotlin/mcp.dokka.gradle.kts

@@ -21,8 +21,8 @@ dokka {
 
         documentedVisibilities(VisibilityModifier.Public)
 
-        externalDocumentationLinks.register("ktor-client") {
-            url("https://api.ktor.io/ktor-client/")
+        externalDocumentationLinks.register("ktor") {
+            url("https://api.ktor.io/")
             packageListUrl("https://api.ktor.io/package-list")
         }
 

kotlin-sdk-server/src/commonMain/kotlin/io/modelcontextprotocol/kotlin/sdk/server/KtorServer.kt

@@ -104,7 +104,7 @@ public fun Application.mcp(block: ServerSSESession.() -> Server) {
 /**
  * Registers Streamable HTTP MCP endpoints at the specified [path] as a [Route] extension.
  *
- * This allows placing the endpoints inside an [io.ktor.server.auth.authenticate] block.
+ * This allows placing the endpoints inside an [Route.authenticate] block.
  *
  * **Precondition:** the [SSE] plugin must be installed on the application before calling this function.
  * Use [Application.mcpStreamableHttp] if you want SSE to be installed automatically.
@@ -130,7 +130,7 @@ public fun Route.mcpStreamableHttp(
 /**
  * Registers Streamable HTTP MCP endpoints on the current route.
  *
- * This allows placing the endpoints inside an [io.ktor.server.auth.authenticate] block.
+ * This allows placing the endpoints inside an [Route.authenticate] block.
  * Each call creates its own session namespace; registering this endpoint twice on the same
  * route tree produces two independent session spaces.
  *
@@ -201,7 +201,7 @@ public fun Application.mcpStreamableHttp(
 /**
  * Registers stateless Streamable HTTP MCP endpoints at the specified [path] as a [Route] extension.
  *
- * This allows placing the endpoints inside an [io.ktor.server.auth.authenticate] block.
+ * This allows placing the endpoints inside an [Route.authenticate] block.
  * Unlike [mcpStreamableHttp], each request creates a fresh server instance with no session
  * persistence between calls.
  *
@@ -229,7 +229,7 @@ public fun Route.mcpStatelessStreamableHttp(
 /**
  * Registers stateless Streamable HTTP MCP endpoints on the current route.
  *
- * This allows placing the endpoints inside an [io.ktor.server.auth.authenticate] block.
+ * This allows placing the endpoints inside an [Route.authenticate] block.
  * Unlike [mcpStreamableHttp], each request creates a fresh server instance with no session
  * persistence between calls.
  *