feat(web): restore payload CMS (cuidecar pattern + importMap)

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

apps/broker/src/env.ts

@@ -24,6 +24,10 @@ const envSchema = z.object({
   MINIO_ACCESS_KEY: z.string().default("claudemesh"),
   MINIO_SECRET_KEY: z.string().default("changeme"),
   MINIO_USE_SSL: z.coerce.boolean().default(false),
+  QDRANT_URL: z.string().default("http://qdrant:6333"),
+  NEO4J_URL: z.string().default("bolt://neo4j:7687"),
+  NEO4J_USER: z.string().default("neo4j"),
+  NEO4J_PASSWORD: z.string().default("changeme"),
   NODE_ENV: z
     .enum(["development", "production", "test"])
     .default("development"),