Measure realized reuse on /v2
You want per-request proof of what was reused, not just a hunch.
01
Inspect response usage
The /v2 response carries the full reuse waterfall and the evidence level behind it.
curl https://api.zumik.ai/v2/responses/rsp_… \
-H "Authorization: Bearer zk_live_..."
# usage: { input_tokens, candidate_reuse_tokens,
# realized_reused_tokens, missed_opportunity_tokens,
# reuse_evidence_level }Where to go from here.
Got it running? Measure it.
Once requests flow through Zumik, a diagnostic shows exactly what you are reusing.