.vscode/launch.json

@@ -17,6 +17,19 @@
             ],
             "cwd": "${env:TEMP}/nx-post-support-vscode-debug",
             "outFiles": ["${env:TEMP}/nx-post-support-vscode-debug/dist/**/*.js"],
+            "linux": {
+                "args": [
+                    "--extensionDevelopmentPath=${workspaceFolder}",
+                    "${workspaceFolder}",
+                    "${workspaceFolder}/test/test.tcl"
+                ],
+                "cwd": "${workspaceFolder}",
+                "outFiles": ["${workspaceFolder}/dist/**/*.js"],
+                "resolveSourceMapLocations": [
+                    "${workspaceFolder}/dist/**/*.js",
+                    "!**/node_modules/**"
+                ]
+            },
             "sourceMaps": true,
             "resolveSourceMapLocations": [
                 "${env:TEMP}/nx-post-support-vscode-debug/dist/**/*.js",
@@ -50,6 +63,19 @@
             ],
             "cwd": "${env:TEMP}/nx-post-support-vscode-debug",
             "outFiles": ["${env:TEMP}/nx-post-support-vscode-debug/dist/**/*.js"],
+            "linux": {
+                "args": [
+                    "--extensionDevelopmentPath=${workspaceFolder}",
+                    "${workspaceFolder}",
+                    "${workspaceFolder}/test/test.tcl"
+                ],
+                "cwd": "${workspaceFolder}",
+                "outFiles": ["${workspaceFolder}/dist/**/*.js"],
+                "resolveSourceMapLocations": [
+                    "${workspaceFolder}/dist/**/*.js",
+                    "!**/node_modules/**"
+                ]
+            },
             "sourceMaps": true,
             "resolveSourceMapLocations": [
                 "${env:TEMP}/nx-post-support-vscode-debug/dist/**/*.js",

.vscode/tasks.json

@@ -15,6 +15,13 @@
                 "${workspaceFolder}",
                 "${env:TEMP}\\nx-post-support-vscode-debug"
             ],
+            "linux": {
+                "command": "npm",
+                "args": ["run", "compile:debug"],
+                "options": {
+                    "cwd": "${workspaceFolder}"
+                }
+            },
             "problemMatcher": [],
             "presentation": {
                 "reveal": "always",

server/src/tools/tcl_command_completion.py

@@ -1009,7 +1009,13 @@ def _current_command_segment(line_prefix: str) -> str:
         starts.append(brace_starts[-1] + 1)
     if bracket_starts:
         starts.append(bracket_starts[-1] + 1)
-    return line_prefix[max(starts) :]
+    start = max(starts)
+    if brace_starts and start == brace_starts[-1] + 1:
+        # An unfinished braced body or expression can itself contain commands
+        # (for example, ``if {[string compare ...``). Scan that inner context
+        # independently, while keeping completed braced arguments opaque.
+        return _current_command_segment(line_prefix[start:])
+    return line_prefix[start:]
 
 
 def _tokenize_command_segment(segment: str) -> list[str]:

server/tests/python_tests/test_completion_context.py

@@ -204,6 +204,29 @@ def test_string_completion_handles_nested_commands_and_is_values():
     }
 
 
+def test_string_completion_inside_braced_conditions_and_bodies():
+    for prefix in ("if {", "while {", "proc example {} { if {"):
+        subcommands = _argument_completion_labels(prefix + "[string ")
+        assert subcommands is not None
+        assert {"compare", "equal", "is"} <= subcommands
+        assert _argument_completion_labels(prefix + "[string compare -") == {
+            "-length", "-nocase"
+        }
+        assert _argument_completion_labels(
+            prefix + "[string compare -nocase "
+        ) == {"-length"}
+
+
+def test_closed_braced_arguments_do_not_change_completion_context():
+    assert _argument_completion_labels("puts {[string compare }") is None
+    assert _argument_completion_labels(
+        "if {[string equal a b]} {string compare "
+    ) == {"-length", "-nocase"}
+    assert _argument_completion_labels(
+        "if {[string equal a b] && [string is integer "
+    ) == {"-failindex", "-strict"}
+
+
 def test_dict_array_namespace_file_and_info_subcommands():
     dict_items = _argument_completion_labels("dict ")
     assert dict_items is not None