v4.4.0

• release(v4.4.0): bookkeeping — ship-gate record (three-battery verdict), cards, ledger, pages (5acaebb)
• docs(plan): transition-masks design note — slice 3 recorded with its failure mode, not built (9d20427)
• fix(decoder): exclude separator punctuation from span bridging (bffc0c8)
• refactor(demo): Google Maps-style full-viewport layout with floating control panel (400a540)
• feat(training): train-time conventions loss mask (#478 pairing) + Modal run_tests entrypoint (f6acda2)
• feat(decoder): punctuation-gap span bridging — the v4.4.0 corrective (cb9ce1c)
• docs: alphabetize the conventions-mask glossary entry (G→C) (5cf97b4)
• docs: codex-review fixes — scorecard link, int8 size, reconcile defaults, conventions glossary (497e8ba)
• eval(gate): teach the runner+verdict the v4.4.0 floor keys (177cb41)
• feat(corpus): v4.4.0 staging — shard v2 ('#' template out), v1.3.0 config, eval contracts (6e9bffe)
• eval: add po_box/cedex to score-affix TAGS (the unit-omission gotcha, again) (d1f5c51)
• feat(corpus): po_box/cedex coverage shard — the last starved-tag lever (#516) (dd7a4e6)
• feat(corpus): intersection shard from REAL TIGER crossings (#487 lever 2) (#515) (1fea499)
• feat(corpus): glue-class augmentation — fused region+postcode raw, split labels (#513) (#514) (a3236ea)
• feat(training): the three v4.4.0 solo-probe configs (#513/#487/po_box — gates pre-registered in-file) (b606bcd)
• eval: pre-register the v4.4.0-boundary gate spec (Track A, before any probe) (2afb010)
• docs: sync the knowledge ladder + phases with the v4.3.0 state (9adeaee)