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Three-tier reference architecture

SCENE · Crosscutting · Gateway/Observation/Tenant

The three product lines reuse the same set of cross-cutting capabilities: identity and tenants, keys and auditing, model and prompt word version libraries, and observability indicators.

Three-tier reference architecture: application orchestration, algorithm and governance, and data connection LAYER 01 Application and orchestration layer Workflow · Human-computer review · Project file warehouse · External API gateway LAYER 02A Algorithm and model layer LLM routing · Visual backbone · Drawing multi-modal encoding LAYER 02B Data and governance Vector index · Feature bin · Lineage metadata LAYER 03 Data and connection layer OPC UA · Industrial cameras · Email · Object storage · Message bus

cross-cutting concerns

Observability: Unify the log association ID and track the business order number across services.Configuration: Environment layering (development/pre-production/production), double review of changes.Safety: Minimum privilege service account, optional outbound traffic whitelist.

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