Fixes
- Stop duplicate usage-limit notifications. Alerts (e.g. "25% of your limit remaining") could re-fire on nearly every poll, flooding Notification Center with the same banner. The de-duplication window signature was derived from a full-precision reset timestamp, so a transient parse-miss or a one-minute jitter in the CLI's reported reset time re-armed every threshold. The signature is now hour-bucketed and tolerant of a single unparseable poll, so each threshold notifies exactly once per quota window. Covered by new regression tests.
Full Changelog: v1.4.3...v1.4.4