docs: align docs IA with MCP specification structure (#1481)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: jeffhandley <1031940+jeffhandley@users.noreply.github.com>

Author: Copilot

docs/concepts/index.md

@@ -17,7 +17,7 @@ Install the SDK and build your first MCP client and server.
 | [Ping](ping/ping.md) | Learn how to verify connection health using the ping mechanism. |
 | [Progress tracking](progress/progress.md) | Learn how to track progress for long-running operations through notification messages. |
 | [Cancellation](cancellation/cancellation.md) | Learn how to cancel in-flight MCP requests using cancellation tokens and notifications. |
-| [Pagination](pagination/pagination.md) | Learn how to use cursor-based pagination when listing tools, prompts, and resources. |
+| [Tasks](tasks/tasks.md) | Learn how to use task-based execution for long-running operations that can be polled for status and results. |
 
 ### Client Features
 
@@ -36,6 +36,7 @@ Install the SDK and build your first MCP client and server.
 | [Prompts](prompts/prompts.md) | Learn how to implement and consume reusable prompt templates with rich content types. |
 | [Completions](completions/completions.md) | Learn how to implement argument auto-completion for prompts and resource templates. |
 | [Logging](logging/logging.md) | Learn how to implement logging in MCP servers and how clients can consume log messages. |
+| [Pagination](pagination/pagination.md) | Learn how to use cursor-based pagination when listing tools, prompts, and resources. |
 | [Stateless and Stateful](stateless/stateless.md) | Learn when to use stateless vs. stateful mode for HTTP servers and how to configure sessions. |
 | [HTTP Context](httpcontext/httpcontext.md) | Learn how to access the underlying `HttpContext` for a request. |
 | [MCP Server Handler Filters](filters.md) | Learn how to add filters to the handler pipeline. Filters let you wrap the original handler with additional functionality. |

docs/concepts/toc.yml

@@ -17,8 +17,6 @@ items:
     uid: progress
   - name: Cancellation
     uid: cancellation
-  - name: Pagination
-    uid: pagination
   - name: Tasks
     uid: tasks
 - name: Client Features
@@ -41,6 +39,8 @@ items:
     uid: completions
   - name: Logging
     uid: logging
+  - name: Pagination
+    uid: pagination
   - name: HTTP Context
     uid: httpcontext
   - name: Filters