HanaChat

Private AI companion platform with durable memory and creator tooling

Production AI companion stack: character builder, marketplace, chat orchestration, per-conversation memory, safety gates, and creator tooling. Built as a typed web + API system with Postgres, vector search, graph storage, streaming, and workflow services.

Capabilities

Character builder and publish controls

Marketplace discovery and chat rooms

SSE streaming chat orchestration

Per-user / character / conversation memory

Moderation and safety gates

Creator tooling and entitlement checks

Architecture

Next.js client with NestJS API gateway. Persistence across Postgres, Qdrant, Neo4j, Redis, Redpanda, Temporal, and ClickHouse for chat, memory, workflows, and analytics.

Technology stack

Next.jsNestJSTypeScriptPostgreSQLQdrantNeo4jRedisTemporalClickHouse

Use cases

Private AI companion products

Creator-owned character platforms

Memory-scoped conversational systems

Marketplace-backed AI experiences

Discuss HanaChat

Share constraints, integrations, and timeline. We will map architecture and delivery options.

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