Prompt caching: measure the cost of useful work
What prompt-cache hits save once retries and failed work are included in task cost, with a local calculator and ledger.
Writing on Agent.
What prompt-cache hits save once retries and failed work are included in task cost, with a local calculator and ledger.
Build repeatable cases and check recovery independently, with a runnable Python grader.
Claude’s on-demand compaction lets an application replace older conversation history with a signed summary. A conditional restart shows why the summary must preserve relationships between instructions.
Claude Enterprise’s Compliance API beta now includes Chrome-session transcripts. Tool exchanges help locate an attempted action; the destination’s records establish whether it took effect.
A timed-out scaling request needs a durable record and destination-state checks. Reusable operational skills need to recover unfinished work as well as start it.
A rollback proposal crosses from recorded evidence into a changing system. The handoff carries source references, current preconditions and unfinished actions.