feat: add Docker entrypoints, LLM providers, pipeline hardening, workbench pages

Phase 9 — four parallel workstreams:

- Stream A: 14 Docker entrypoints for containerized deployment
- Stream B: Pipeline hardening — robust JSON parsing, LLM retry logic,
  consumer negative-ack, FalkorDB test import fix
- Stream C: Azure OpenAI, OpenAI-compatible, and Mistral LLM providers
- Stream D: Workbench Prompts, Token Cost, Knowledge Cores pages +
  Settings feature switches

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ts/entrypoints/graph-embeddings-query.mjs

@@ -0,0 +1,6 @@
+import("../packages/flow/dist/query/embeddings/qdrant-graph-service.js")
+  .then((m) => m.run())
+  .catch((err) => {
+    console.error(err);
+    process.exit(1);
+  });