ARCHITECTURE EXPLORER

A production request is a controlled journey.

Inspect each stage, then switch to the security overlay to see trust boundaries and control points.

Reference architecture · synthetic

STAGE 03 / SYSTEM VIEW

Hybrid retrieval

Build a traceable evidence set.

Combine semantic and keyword search with query expansion, metadata policy filters, freshness checks, and document-level authorization.

CONTROLACL-aware retrieval
PRIMARY RISKStale or unauthorized context
See implementation pattern

DECISION RECORDS

Why this shape?

ADR-01

Hybrid retrieval

Semantic recall plus exact-match resilience for acronyms, identifiers, and policy language.

ADR-02

Rerank before generation

Spend model context on the strongest evidence, not the nearest embeddings.

ADR-03

Deterministic validation

Use code for enforceable policies, schemas, citations, and authorization boundaries.

ADR-04

Workflow before agent

Expand autonomy only when a bounded graph cannot express the task safely.

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