v6.4.0

• Track B — digit ownership: the Norway bug, three eval instruments, and a probe that said 'not yet' (#1145) (290511c)
• feat(1143): v6.4.0 — the house-number licence, the fix, and the instruments that found it (#1144) (f31a519)
• docs(evals): night-3 postmortem — v7 direction ratified, heal shipped, stage-2 scoped (0 GPU) (#1138) (300a0bc)
• docs(evals): rescue the 52 v1 composite-classifier schemes before the excision deletes them (#1135) (1b694ff)
• docs(727): stage-2 k-best plan — night-3 measurements, consult review, falsifier probe result (#1134) (ed45136)
• docs(evals): PT/RO splice — falsified at the data level, fix mechanism confirmed (no GPU) (#1140) (217bcd4)
• feat(evals): mailwoman eval oracle-k — oracle-recall@k over segment k-best decodes (#727 stage-2) (#1139) (108ced6)
• feat(resolver): resolution-plausibility guard — country-centroid-only resolutions are implausible for structured addresses (#1133) (31061b5)
• fix(neural): word-consistency heal — arbitrate disagreeing words only, punctuation-separator grouping, ship default-ON (#1132) (cdee550)
• docs(v7): night-2 state of play + open decisions (handoff) (b7432c4)
• docs(evals): verify the hybrid gate bounds the tail 18→3/321 (0.9%) (e35354f)
• docs(evals): de-slop residual kicker in the parity diagnosis (22b6c23)
• docs(evals): coordinate-parity measured — v7 unblock is a hybrid gate (7583592)
• docs(dropins): list GET / landing route in serve banners + READMEs (#1087) (177b99a)
• docs(evals): de-slop the v264 result doc (827e9d1)
• docs(evals): diagnose the v7 parity-floor blocker (street 0.54/0.90) (1a0861f)
• docs(understanding): reorder into a readable progression, nest falsehoods + simple (#1131) (a69fa87)
• docs(release): v6.3.0 finish — status/releases refresh, SBOM, ledger row (d962200)