δίοπτρον (dia + opt + ron): the instrument through which one sees
Local web runtime with agent co-tenancy. Operator and AI agents are peer users of the same capability surface - browsing, ingesting, querying, and acting on the web through a unified programmatic interface.
Three bands across eleven layers, plus a cross-cutting tenancy plane:
| Band | Layers | Purpose |
|---|---|---|
| Engine | net, render, script, store, identity | Core web engine |
| Instrument | ingest, rules, session, ui | Knowledge acquisition |
| Operations | ops | Active capability surface |
| Cross-cutting | tenancy | Tenant identity, grants, delegation, canonical interface |
Operator and agents are peer users. Every capability exists once, consumed through the same Rust trait surface. The desktop UI is just another client - no more privileged than a nous agent making the same calls over a unix socket.
- docs/requirements.md - R1-R12 requirements
- docs/design/topology.md - Layer topology
- docs/design/tenancy.md - Multi-tenant model
- docs/design/decisions.md - Resolved technical decisions
- docs/design/rendering-completeness.md - D17.9 evidence floor
- docs/design/script-band-evaluation.md - D4 evaluation and v1 scope
- docs/design/ingest-rules-taxonomy.md - D7/D8 taxonomy and implementation plan
- docs/design/training-data.md - Behavioral emission taxonomy
- docs/lexicon.md - Project name registry
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