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/pnpm-lock.yaml

@@ -8,6 +8,9 @@ importers:
 
   .:
     devDependencies:
+      falkordb:
+        specifier: ^5.0.0
+        version: 5.0.1
       nats:
         specifier: ^2.29.0
         version: 2.29.3
@@ -98,6 +101,9 @@ importers:
       '@fastify/websocket':
         specifier: ^11.0.0
         version: 11.2.0
+      '@mistralai/mistralai':
+        specifier: ^1.0.0
+        version: 1.15.1
       '@qdrant/js-client-rest':
         specifier: ^1.13.0
         version: 1.17.0(typescript@5.9.3)
@@ -667,6 +673,9 @@ packages:
   '@jridgewell/trace-mapping@0.3.31':
     resolution: {integrity: sha512-zzNR+SdQSDJzc8joaeP8QQoCQr8NuYx2dIIytl1QeBEZHJ9uW6hebsrYgbz8hJwUQao3TWCMtmfV8Nu1twOLAw==}
 
+  '@mistralai/mistralai@1.15.1':
+    resolution: {integrity: sha512-fb995eiz3r0KsBGtRjFV+/iLbX+UpfalxpF+YitT3R6ukrPD4PN+FGwwmYcRFhNAzVzDUtTVxQYnjQWEnwV5nw==}
+
   '@modelcontextprotocol/sdk@1.29.0':
     resolution: {integrity: sha512-zo37mZA9hJWpULgkRpowewez1y6ML5GsXJPY8FI0tBBCd77HEvza4jDqRKOXgHNn867PVGCyTdzqpz0izu5ZjQ==}
     engines: {node: '>=18'}
@@ -2962,6 +2971,15 @@ snapshots:
       '@jridgewell/resolve-uri': 3.1.2
       '@jridgewell/sourcemap-codec': 1.5.5
 
+  '@mistralai/mistralai@1.15.1':
+    dependencies:
+      ws: 8.20.0
+      zod: 3.25.76
+      zod-to-json-schema: 3.25.2(zod@3.25.76)
+    transitivePeerDependencies:
+      - bufferutil
+      - utf-8-validate
+
   '@modelcontextprotocol/sdk@1.29.0(zod@3.25.76)':
     dependencies:
       '@hono/node-server': 1.19.12(hono@4.12.10)