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swung0x48
b16531c3a8
Every place that stated "P5 does not chunk" as current behaviour except the Fatal texts (previous commit) now records the stage chunk budget and what it does not cover. - CONTRACT-P5.md section 5: the STAGE_MB row names MGPipeStageChunkBytes() = clamp(segment/4, 4096, segment), the two buffer walks (1e7c372e) and one texture level's whole-width slabs (9469d48e, assembled by StagedTextureStore::AdoptRun), and the Fatal that stays the backstop for a row with no cut; the RING_MB row says the record bound is about the record's own bytes. - BRIEF-P5.md's R-10 section is no longer headed "does not chunk": it keeps the record bound and the maxrec proof obligation unchanged and records that content is cut, with the encoder Fatal as the fallback. - ROADMAP.md's staging debt row and open question 11, ARCHITECTURE.md's record-bound bullet and SEG_STAGE table note, README.md's knob row, MEASUREMENTS.md section 6.3 and CURRENT_STAGE_PROGRESS.md's open item: the explicit MOBILEGL_IPC_STAGE_MB=256 profile is no longer needed for the two cut paths, and the carrier design for the rest stays P8. - Historical results (notes/**/p5-results/, p5b/) are left exactly as recorded.