Normalized Editorial Inbox batch
Prompt Caching Turns Agent Context Into Infrastructure
Earendil frames prompt caching as an agent systems primitive, where stable context becomes a cost, latency, and architecture concern.
Signal contract
Earendil frames prompt caching as an agent systems primitive, where stable context becomes a cost, latency, and architecture concern. Long-lived agents carry stable instructions, tools, schemas, and project context. Caching that layer changes latency economics and encourages cleaner separation between persistent context and per-task deltas. Novelty: structural. Verification: source-linked. This New Runtime record is an evidence-linked retrieval unit.
Source ledger
Publishable sources attached to this record.
| # | Source | Role | Public status |
|---|---|---|---|
| 1 | earendil.comsource | primary receipt | source_urls |
Observation
Earendil frames prompt caching as an agent systems primitive, where stable context becomes a cost, latency, and architecture concern.
Why it matters
Long-lived agents carry stable instructions, tools, schemas, and project context. Caching that layer changes latency economics and encourages cleaner separation between persistent context and per-task deltas.
Entities
Earendil, prompt caching, agents
Provenance
This public record is a sanitized New Runtime Editorial Inbox signal. Linked source_urls carry the publishable evidence boundary; private discovery provenance stays internal.