v0.13.0:4 - redaction gateway, embeddings proxy, expanded audio API

- Add redaction gateway (redaction_gateway.py, redaction/ scrub + tests)
- Add embeddings proxy and spark_embed service (Dockerfile + main.py)
- Expand audio_proxy with speaker-aware handling; deep_health/health/server updates
- Package: configureSparks action + sparkConfig model updates, manifest/main wiring
- Docs: AUDIO_API, EMBEDDINGS, REDACTION_GATEWAY; HANDOFF and runbook/known-issues refresh

package/startos/manifest/index.ts

@@ -5,10 +5,14 @@ export const manifest = setupManifest({
   id: 'spark-control',
   title: 'Spark Control',
   license: 'MIT',
-  packageRepo: 'https://github.com/grant/spark-control',
-  upstreamRepo: 'https://github.com/grant/spark-control',
-  marketingUrl: 'https://github.com/grant/spark-control',
-  donationUrl: 'https://github.com/grant/spark-control',
+  // Placeholder URLs — replace with a real repo before publishing the package
+  // publicly. The StartOS UI shows these as "Source" and "Marketing" links;
+  // example.com is RFC 2606 reserved-for-documentation so it's an obvious
+  // "fill me in" signal rather than pointing at anyone's personal account.
+  packageRepo: 'https://example.com',
+  upstreamRepo: 'https://example.com',
+  marketingUrl: 'https://example.com',
+  donationUrl: null,
   docsUrls: [],
   description: { short, long },
   volumes: ['main'],