feat: PyMEOS consumer for RFC #94 oo.dispatch — path to codegen 6/6#95
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Implements the PyMEOS side of RFC #94 §5/§7: a consumer that emits faithful geo/temporal mixins from the canonical objectModel.dispatch metadata (MEOS-API #10 feat/object-model, merged into meos-idl.json), closing the OO codegen to all 6 temporal type families with equivalence by construction at the catalog level. Additive only — the 4 derivable families' FAMILY_MODEL path (emit_faithful_mixin) is untouched; #90/#91/#92/#93 mixins regenerate byte-identical (--verify-oo-roundtrip + OoDispatchConsumer .test_roundtrip_byte_identical, permanently enforced) and the #89 coverage gate stays green. geo + the 4 temporal concretes (TFloat/TInt/TBool/TText) are not derivable from the signature catalog (RFC #94 §1), so they are driven by the verbatim objectModel.dispatch metadata and proven equivalent to the hand-written oracle by dispatch-skeleton equality: * tools/oo_codegen/_d1-dispatch-extended-fixture.json — the verbatim §7 dispatch metadata (== MEOS-API #10 objectModel.dispatch). * tools/oo_codegen/_oracle_extended_methods.py — the byte-for-byte hand-written editorial methods (AST-extracted) the proof checks against; never executed, never imported. * --verify-oo-dispatch-extended + OoDispatchConsumer .test_extended_dispatch_matches_oracle: each of the 32 editorial methods (geo at/minus/distance/nearest_approach_distance + each concrete's always/ever/temporal eq·ne, at, minus) reduces to an identical ordered dispatch skeleton — isinstance type-set, backing symbol, arg transform, super-coerce, fallback, result wrap. 0 divergence: same native calls, same transforms, never reimplemented. The closed argTransform vocabulary maps to PyMEOS idioms (scalarValue, scalarCast-per-base, geoToGserialized with geodeticFromSelf, stboxToGeo, innerPtr, textsetMake, list[str], coerce + via:super). Stacked on #94 (the RFC, including the verbatim §7 SoT).
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Implements the PyMEOS-side follow-up of RFC #94 §5: a consumer that emits faithful geo/temporal mixins from the canonical
oo.<family>.<member>.dispatchblocks the parallel MEOS-API session is adding tometa/meos-meta.json. This is the non-wasted parallel prep — when the keystone enrichment lands, PyMEOS converges to codegen 6/6 immediately.Proven correct without waiting on the metadata
_serialize_family_dispatch()expresses each of the 4 A/B-proven families (cbuffer/pose/npoint/rgeo) in the RFC #94 §3 schema; feeding those back throughemit_from_oo_dispatch()reproduces their committed mixins byte-identically for all 4 — the new--verify-oo-roundtripgate +OoDispatchConsumertest (permanently enforced). So the consumer is proven against the proven path, not circularly.Safety
Additive only —
emit_faithful_mixin(the 4 shipped families' path) is untouched; #90–#93 mixins regenerate byte-identical (regression-guarded); #89 coverage gate stays green; Black-clean; no AI attribution.How 6/6 closes
The instant MEOS-API emits
oo.geo/oo.temporaldispatch (RFC #94 §3, parallel session in progress):codegen.py --mixin-from-dispatch geo|temporalruns them through this same proven consumer → faithful mixins → wire + A/B exactly as the 4 shipped slices. No PyMEOS-local transcription; equivalence by construction at the catalog level.Stack
Stacked on #94 (the RFC). The geo/temporal A/B-green is gated solely on the parallel MEOS-API enrichment landing — this PR removes all PyMEOS-side risk from that convergence.