store : lazy read-time expiry + reclaim-under-pressure

client : PUT 200 reports server truth, and consume-once fails closed

client : drop the /health pre-flight, keep features as a diagnostic r…

…eadout

follow-next : skip the current value and follow the next write

cli : name the consume-once delivery loss once, in the paste flow

cli : salvage a collided consume-once paste to a disk sibling, both k…

…inds

clip+store : preserve the executable bit on a single-file clip

v0.2.0 — hardening, correctness, and clarity fixes over v0.1.0

v0.1.0 — initial working release: content relay over named clips