release: v0.7.1 -- add_library wrapper-message fix + mock_watcher PermissionError retry

Two bug fixes since v0.7.0:
  e948922 fix(add_library): wrapper message reflects dedup vs add branch
  d01f6ed fix(test): retry on PermissionError in mock_watcher (Win race)

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "codesys-mcp-sp21-plus",
-  "version": "0.7.0",
+  "version": "0.7.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "codesys-mcp-sp21-plus",
-      "version": "0.7.0",
+      "version": "0.7.1",
       "license": "MIT",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.26.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "codesys-mcp-sp21-plus",
-  "version": "0.7.0",
+  "version": "0.7.1",
   "description": "Codesys-MCP-SP21+ -- fork of luke-harriman/Codesys-MCP carrying CODESYS V3.5 SP22 Patch 1 fixes (and forward-compat with later SPs): script-engine API drift, online/runtime tool auto-login, dual-SHA release classifier, set_pou_code omitted-decl wipe fix, add_library managed-overload, etc. MCP server for CODESYS with persistent UI instance and file-based IPC.",
   "main": "dist/server.js",
   "bin": {