feat: open filtered VS Code settings from chat gear

src/test/vscode-settings-entry.test.ts

@@ -0,0 +1,32 @@
+import * as assert from "node:assert";
+import { readFileSync } from "node:fs";
+import { extensionSettingsQuery } from "../vscode-settings.js";
+
+suite("VS Code settings entry", () => {
+  test("builds an @ext filter from publisher and name", () => {
+    assert.strictEqual(extensionSettingsQuery("auchan", "pion-code"), "@ext:auchan.pion-code");
+  });
+
+  test("falls back to the known extension identity", () => {
+    assert.strictEqual(extensionSettingsQuery(undefined, undefined), "@ext:auchan.pion-code");
+    assert.strictEqual(extensionSettingsQuery("  ", "  "), "@ext:auchan.pion-code");
+  });
+
+  test("gear opens native settings and the panel executes the filtered command", () => {
+    const handlers = readFileSync(
+      new URL("../../src/webview/handlers/index.ts", import.meta.url),
+      "utf8",
+    );
+    assert.match(handlers, /pi-sb-settings/);
+    assert.match(handlers, /postMessage\(\{ type: "openVscodeSettings" \}\)/);
+
+    const panel = readFileSync(
+      new URL("../../src/webview-panel.ts", import.meta.url),
+      "utf8",
+    );
+    assert.match(panel, /case "openVscodeSettings"/);
+    assert.match(panel, /extensionSettingsQuery\(pkg\.publisher, pkg\.name\)/);
+    assert.match(panel, /"workbench\.action\.openSettings"/);
+    assert.match(panel, /Open Pi on Code settings in VS Code/);
+  });
+});

src/vscode-settings.ts

@@ -0,0 +1,13 @@
+/**
+ * Query string for the VS Code Settings editor that filters to this
+ * extension, e.g. `@ext:auchan.pion-code`.
+ */
+export function extensionSettingsQuery(publisher?: unknown, name?: unknown): string {
+  const resolvedPublisher = typeof publisher === "string" && publisher.trim()
+    ? publisher.trim()
+    : "auchan";
+  const resolvedName = typeof name === "string" && name.trim()
+    ? name.trim()
+    : "pion-code";
+  return `@ext:${resolvedPublisher}.${resolvedName}`;
+}

src/webview-panel.ts

@@ -8,6 +8,7 @@ import {
   resolveMarkdownImagePath,
 } from "./local-markdown-image.js";
 import { mergeInitialHistoryEvents } from "./history-event-sync.js";
+import { extensionSettingsQuery } from "./vscode-settings.js";
 import { SessionCapabilitySnapshot } from "./capability-snapshot.js";
 import { piError } from "./logger.js";
 import { getWorkspaceCwd } from "./workspace-context.js";
@@ -682,6 +683,19 @@ export class PiWebviewPanel {
             this.piService.emitScopedModels();
             break;
 
+          // Open the native VS Code Settings filtered to this extension
+          case "openVscodeSettings": {
+            const pkg = (this.context.extension?.packageJSON ?? {}) as {
+              publisher?: unknown;
+              name?: unknown;
+            };
+            await vscode.commands.executeCommand(
+              "workbench.action.openSettings",
+              extensionSettingsQuery(pkg.publisher, pkg.name),
+            );
+            break;
+          }
+
           // Context budget picker
           case "pickContextBudget":
             void this.triggerContextBudgetPicker();
@@ -1063,7 +1077,7 @@ export class PiWebviewPanel {
     <div class="pi-sb-item spacer"></div>
     <div class="pi-sb-item" id="pi-sb-capabilities" title="Manage capabilities for this session">capabilities: 0</div>
     <div class="pi-sb-item" id="pi-sb-usage" title="Click to set context budget">0%</div>
-    <div class="pi-sb-item" id="pi-sb-settings" title="Settings">⚙</div>
+    <div class="pi-sb-item" id="pi-sb-settings" title="Open Pi on Code settings in VS Code">⚙</div>
   </div>
   </div>
 

src/webview/handlers/index.ts

@@ -2213,7 +2213,8 @@ export function sendPrompt(modeOverride?: "steer" | "queue"): void {
 let sbSettings = document.getElementById("pi-sb-settings");
   if (sbSettings) {
     sbSettings.addEventListener("click", function () {
-      toggleSettingsPanel();
+      // Gear opens the native VS Code Settings filtered to this extension.
+      window.__vscode.postMessage({ type: "openVscodeSettings" });
     });
   }