[trissim]

Addresses #419 saved-label geometry admission. Final source head d7e730e (production e6fde72) extends ORIGINAL RuntimePlaneAxisValueProjection.from_source_declaration and SourceImageObjectLabelBuildRequest. The constructor derives exact cardinality/aliases from ORIGINAL SourceImageProvenance and the declared nominal axis; builder consumes that projection and retains domain/geometry validation. No array-rank inference of physical Z, fake spacing, copied geometry, new registry, metadata facade or function-name/type dispatch. Both production files are outside PR394 shared runtime/CellProfiler seams.

Source qualification: 211 PASS through original artifact admission + registered FULL_STACK MeasureObjectSizeShape, runtime values, image output metadata, source spatial domains and original AreaShape controls; 9.629s / 418932KiB aggregate RSS. Both declared axes, singleton and multi-plane data, genuine calibrated per-plane volumes, explicit payload/undeclared-volume contracts, strict missing/conflicting cardinality/shape/IDs and exact provenance/pixels are covered. Independent physical-calibration and paired-source capabilities execute real cooperative super/MRO admission, construction and selection, including strict rejection, without consumer edits.

ORIGINAL pinned R0 PASS, unchanged CI tool3b03785f loaded directly from retained Git objects with Python3.14 and readonly backing: actual production e6fde72 vs main c32447f, BOTH changed production paths, zero positive deltas, exit0,18.286s/95584KiB aggregate RSS. Final head changes receipts only; qualified production/test bytes unchanged. All shards oneCPU/512MiB/no swap/60s. Correct full-context R1 remains unqualified separately; no detector/schema/context omission or stale-count substitution, and no CI wait.

Original geometry red and both failed intermediate guards are preserved, not overwritten. Initial builder metadata absence probe was rejected by R0; unapplied metadata-owner hook was also rejected for god-class growth. Those obsolete proposals are NOT needed or installed: current projection-value ownership removes the violation outside394. Full AreaShape ROW_SEQUENCE vector includes every native missing slot; no claim of sparse-ID final public measurement rows or biological correctness.

Morph DISTANCE is STILL FAILED through the explicit original-executor source reproducer (shape1 instead of1x9x9); later original live module output error1x1 remains unchanged. Only its minimal canonical raw ndarray ABI correction remains referred to394: #394 (comment) . No edits to394 files. No native/scientific jobs, installs, environment changes, original-input replay or cleanup. Parent owns installed original saved-label geometry/EDT acceptance and integration; this PR does not close419.

Durable receipt, exact commands, logs/XML, unchanged original R0 lossless outputs and explicit Morph reproducer: docs/validation/saved-label-plane-domain-419-20261002/RECEIPT.rst. Frozen388 driver SHA d3f259fa unchanged; original saved plan inputs and all failures retained. Existing persistent WT reused, old branches/evidence preserved.

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