feat: add Aspire dashboard OTEL workflow

Add OTLP export wiring for the sidecar and dev scripts to launch the standalone Aspire Dashboard during development.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

tests/scripts/aspireDashboard.test.ts

@@ -0,0 +1,45 @@
+import { describe, expect, test } from 'bun:test';
+
+import {
+  aspireDashboardContainerName,
+  aspireDashboardImage,
+  aspireDashboardUrls,
+  createAspireDashboardRunArgs,
+  createOpenTelemetryEnvironment,
+} from '../../scripts/aspireDashboard';
+
+describe('aspire dashboard helpers', () => {
+  test('creates the official standalone Docker command with mapped OTLP ports', () => {
+    expect(createAspireDashboardRunArgs()).toEqual([
+      'run',
+      '--rm',
+      '-d',
+      '--name',
+      aspireDashboardContainerName,
+      '-p',
+      '18888:18888',
+      '-p',
+      '4317:18889',
+      '-p',
+      '4318:18890',
+      '-e',
+      'ASPIRE_DASHBOARD_UNSECURED_ALLOW_ANONYMOUS=true',
+      aspireDashboardImage,
+    ]);
+  });
+
+  test('injects OTLP exporter settings for local Aspire development', () => {
+    expect(
+      createOpenTelemetryEnvironment(
+        {
+          PATH: 'C:\\tools',
+        },
+        aspireDashboardUrls.otlpGrpc,
+      ),
+    ).toEqual({
+      PATH: 'C:\\tools',
+      OTEL_EXPORTER_OTLP_ENDPOINT: aspireDashboardUrls.otlpGrpc,
+      OTEL_EXPORTER_OTLP_PROTOCOL: 'grpc',
+    });
+  });
+});