- In shadow_read, TMDO_Hook_Bus::intercept_get() returned the flat value.
update_metadata() reads the old value through that filter after the Hook
Bus has upserted the new one, so WP saw old === new and never wrote native
meta: every update in shadow_read was lost on demotion (dev36 2026-09-26).
shadow_read now returns $check (native) and compares flat on a sample of
reads (filter tmdo_shadow_compare_sample_rate, default 0.1). aeav_only is
unchanged; the post query router still routes in shadow_read.
- Live suite shadow_write: xfail markers removed, HivePress listing case
added (new int key hp_rating_count); fixtures gain post() and a
post_type-scoped field()/flat().
- Verify: live shadow_write + serialized 8/8 PASS (old code: 4 FAIL);
unit 685 OK, integration 484 OK, phpcs (phpcs.xml) 0, stan OK
- PR: PR-056
wpdev
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