feat(extension): add log and trace commands

Author: govert

README.md

@@ -128,6 +128,7 @@ Once installed, the extension automatically activates when you open a \`.vb\` fi
 4. Start coding with full IntelliSense support
 
 If you have multiple solutions, use the Command Palette action **"VB.NET: Select Workspace Solution"** to choose the active \`.sln/.slnf/.slnx\`.
+For diagnostics, use **"VB.NET: Show Logs"** and **"VB.NET: Toggle LSP Trace"**.
 
 ## Architecture
 

docs/configuration.md

@@ -26,6 +26,8 @@ Last Updated: 2026-01-20
 
 - **`VB.NET: Select Workspace Solution`** — choose a `.sln/.slnf/.slnx` file and update
   `vbnet.workspace.solutionPath`. Pick "Auto-detect" to clear the override.
+- **`VB.NET: Show Logs`** — opens the main output channel and the LSP trace channel.
+- **`VB.NET: Toggle LSP Trace`** — toggles `vbnet.trace.server` between `off` and `verbose`.
 
 ---
 

src/extension/package.json

@@ -220,6 +220,16 @@
         "title": "Select VB.NET Workspace Solution",
         "category": "VB.NET"
       },
+      {
+        "command": "vbnet.showLogs",
+        "title": "Show VB.NET Logs",
+        "category": "VB.NET"
+      },
+      {
+        "command": "vbnet.toggleLspTrace",
+        "title": "Toggle VB.NET LSP Trace",
+        "category": "VB.NET"
+      },
       {
         "command": "vbnet.showOutputChannel",
         "title": "Show VB.NET Output",

src/extension/src/extension.ts

@@ -188,6 +188,26 @@ function registerCommands(context: vscode.ExtensionContext): void {
             }
         })
     );
+
+    context.subscriptions.push(
+        vscode.commands.registerCommand('vbnet.showLogs', async () => {
+            outputChannel?.show();
+            traceChannel?.show();
+            outputChannel?.appendLine(`Log directory: ${context.logUri.fsPath}`);
+        })
+    );
+
+    context.subscriptions.push(
+        vscode.commands.registerCommand('vbnet.toggleLspTrace', async () => {
+            try {
+                await toggleLspTrace();
+            } catch (error) {
+                const message = error instanceof Error ? error.message : String(error);
+                outputChannel?.appendLine(`Failed to toggle LSP trace: ${message}`);
+                vscode.window.showErrorMessage(`Failed to toggle LSP trace: ${message}`);
+            }
+        })
+    );
 }
 
 interface SolutionPickItem extends vscode.QuickPickItem {
@@ -299,6 +319,25 @@ async function solutionLikelyHasVbProjects(solutionPath: string): Promise<boolea
     }
 }
 
+async function toggleLspTrace(): Promise<void> {
+    const config = vscode.workspace.getConfiguration('vbnet');
+    const current = config.get<string>('trace.server', 'off');
+    const enabled = current === 'off';
+    const next = enabled ? 'verbose' : 'off';
+
+    await config.update('trace.server', next, vscode.ConfigurationTarget.Workspace);
+
+    if (enabled) {
+        traceChannel?.show();
+    }
+
+    const message = enabled
+        ? 'VB.NET LSP trace enabled (verbose).'
+        : 'VB.NET LSP trace disabled.';
+    outputChannel?.appendLine(message);
+    vscode.window.showInformationMessage(message);
+}
+
 /**
  * Extension deactivation.
  * Called when the extension is deactivated.

test-explore/TEST_RESULTS.md

@@ -47,6 +47,16 @@ Optional flags:
 
 ## Recent runs
 
+### 2026-01-22 — VS Code harness (VB.NET server, trace commands)
+
+Command:
+- `cd test-explore\\clients\\vscode; npm test`
+
+Outcome: PASS (14 passing, 5 pending; non-fatal DAP warnings)
+Notes:
+- DAP warnings: `Failed command 'threads' : 0x80004005` (during debug session).
+- DAP trace: `test-explore/clients/vscode/logs/dap-trace-2026-01-22T195827255Z.log`.
+
 ### 2026-01-22 — VS Code harness (VB.NET server)
 
 Command:

test-explore/clients/vscode/src/suite/vbnet-extension.test.ts

@@ -275,6 +275,8 @@ if (skipVbnetSmoke) {
 
         try {
             assert.ok(commands.includes("vbnet.selectWorkspaceSolution"), "Select workspace solution command not registered.");
+            assert.ok(commands.includes("vbnet.showLogs"), "Show logs command not registered.");
+            assert.ok(commands.includes("vbnet.toggleLspTrace"), "Toggle LSP trace command not registered.");
             await config.update("trace.server", "verbose", vscode.ConfigurationTarget.Workspace);
             await config.update("server.transportType", "namedPipe", vscode.ConfigurationTarget.Workspace);
 

test/VbNet.Extension.Tests.Vb/ExtensionManifestTests.vb

@@ -63,9 +63,17 @@ Namespace VbNet.Extension.Tests
         Public Sub CommandsIncludeWorkspaceSolutionPicker()
             Dim root = LoadPackageJson()
             Dim commands = root.GetProperty("contributes").GetProperty("commands")
+            Dim commandList = commands.EnumerateArray().Select(Function(item) item.GetProperty("command").GetString()).ToArray()
 
-            Dim hasCommand = commands.EnumerateArray().Any(Function(item) item.GetProperty("command").GetString() = "vbnet.selectWorkspaceSolution")
-            Assert.True(hasCommand, "Expected vbnet.selectWorkspaceSolution to be contributed in package.json.")
+            Dim required = New String() {
+                "vbnet.selectWorkspaceSolution",
+                "vbnet.showLogs",
+                "vbnet.toggleLspTrace"
+            }
+
+            For Each commandName In required
+                Assert.Contains(commandName, commandList)
+            Next
         End Sub
     End Class