Add unit tests and docs for denying tool calls with middleware (#1333)

Add test for proxy tags visibility (#1302)

Fix typing, add tests for tool call middleware (#1269)

Fix middleware list result types (#1125)

Fix middleware tests

Fix middleware tests

Add production-ready middleware examples with comprehensive tests

Minor updates

Add proxy middleware test

Update resource manager

Add middleware for all current handlers

Updated list_tools

Add single-component methods