feat(debugger): integrate NX Tcl Remote Debugger into NX Postprocessor

Embed the NX Tcl Remote Debugger into the NX Postprocessor extension.
Add a new debugging client, protocol, and adapter logic to
drive attach/launch, breakpoints, stepping, and evaluation
via the runtime adapter.

- Introduced a client debugger with a new adapter and protocol
- Wired attach/launch, breakpoints, stepping, and evaluation
- Updated docs and licensing to reflect the embedded debugger

package.json

@@ -1,10 +1,16 @@
 {
   "name": "nx-post-support",
   "displayName": "NX Postprocessor Support",
-  "description": "VS Code extension for NX CAM postprocessor development with syntax highlighting, formatting, linting, and auto-completion for CDL, TCL, and DEF files",
-  "version": "2026.8.200",
+  "description": "VS Code extension for NX CAM postprocessor development with language support and remote Tcl debugging for CDL, TCL, and DEF files",
+  "version": "2026.8.201",
   "publisher": "Christoph",
   "icon": "images/nx-1.png",
+  "activationEvents": [
+    "onLanguage:tcl",
+    "onLanguage:cdl",
+    "onLanguage:def",
+    "onDebug"
+  ],
   "extensionDependencies": [
     "ms-python.python"
   ],
@@ -23,15 +29,109 @@
     "UDE",
     "Postprocessor",
     "NX CAM",
-    "Siemens NX"
+    "Siemens NX",
+    "debugger",
+    "remote debugging"
   ],
   "engines": {
     "vscode": "^1.96.0"
   },
   "categories": [
-    "Programming Languages"
+    "Programming Languages",
+    "Debuggers"
   ],
   "contributes": {
+    "breakpoints": [
+      {
+        "language": "tcl"
+      },
+      {
+        "language": "def"
+      }
+    ],
+    "debuggers": [
+      {
+        "type": "nx-tcl",
+        "label": "NX Tcl Remote Debugger",
+        "languages": [
+          "tcl",
+          "def"
+        ],
+        "configurationAttributes": {
+          "attach": {
+            "required": [
+              "host",
+              "port"
+            ],
+            "properties": {
+              "host": {
+                "type": "string",
+                "default": "127.0.0.1",
+                "description": "Host on which the NX Tcl runtime is listening."
+              },
+              "port": {
+                "type": "number",
+                "default": 4711,
+                "description": "TCP port of the NX Tcl runtime."
+              },
+              "connectTimeout": {
+                "type": "number",
+                "default": 120000,
+                "description": "How long VS Code retries until NX starts the runtime, in milliseconds."
+              },
+              "stopOnEntry": {
+                "type": "boolean",
+                "default": false,
+                "description": "Stop on the first traced Tcl command."
+              },
+              "breakOnError": {
+                "type": "boolean",
+                "default": true,
+                "description": "Stop when a traced Tcl command returns TCL_ERROR."
+              },
+              "localRoot": {
+                "type": "string",
+                "description": "Local source root opened in VS Code."
+              },
+              "remoteRoot": {
+                "type": "string",
+                "description": "Corresponding source root on the NX host when it differs from localRoot."
+              }
+            }
+          }
+        },
+        "initialConfigurations": [
+          {
+            "type": "nx-tcl",
+            "request": "attach",
+            "name": "Attach to NX Post Tcl",
+            "host": "127.0.0.1",
+            "port": 4711,
+            "connectTimeout": 120000,
+            "stopOnEntry": false,
+            "breakOnError": true,
+            "localRoot": "${workspaceFolder}"
+          }
+        ],
+        "configurationSnippets": [
+          {
+            "label": "NX Tcl: Attach to NX Post",
+            "description": "Attach VS Code to an NX runtime embedded in NX Post.",
+            "body": {
+              "type": "nx-tcl",
+              "request": "attach",
+              "name": "Attach to NX Post Tcl",
+              "host": "127.0.0.1",
+              "port": 4711,
+              "connectTimeout": 120000,
+              "stopOnEntry": false,
+              "breakOnError": true,
+              "localRoot": "${workspaceFolder}"
+            }
+          }
+        ]
+      }
+    ],
     "languages": [
       {
         "id": "tcl",
@@ -151,7 +251,8 @@
     "compile": "node esbuild.js --production",
     "compile:debug": "node esbuild.js",
     "watch": "node esbuild.js --watch",
-    "package": "node esbuild.js --production"
+    "package": "node esbuild.js --production",
+    "test:debugger": "node --test test/debugger.test.js"
   },
   "devDependencies": {
     "@types/vscode": "^1.96.0",