* fix(domain): replace bare parser errors with typed codes
OpenStep syntax, canonical JSON digests, managed-graph source checks,
frame fingerprints, and reference-flow invariants threw Error and
published the sentence. Each refusal now carries a code. Tests assert
that code, including OpenStep position, instead of the previous prose.
* test(domain): pin OpenStep refusal codes and positions
The syntax cases accepted any code and any offset. Each container
refusal now expects its code and source position, including the deep
suffix that changes (x from unterminated_array to expected_separator.
Scalar failures stay identical to the pinned decoder.
* test(filesystem): assert OpenStep keyed-archive codes
The deep-suffix keyed archive cases compared ArtifactReaderFailure
message text with the pinned decoder sentence. They now require
reason format and the OpenStep code and source position on the cause.
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Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Own endpoint identity and per-edge kind knowledge in one parsed reference
representation. Preserve exact same-artifact coordinates and cross-artifact
name uncertainty, including generated and nonunique procedure labels.
Use exact multiplicity-preserving sparse compatibility flow instead of
positional/greedy pairing or a quadratic adjacency matrix. Share the native
coordinate parser with call paths and remove the superseded projections.
Validate public MCP comparison/reconstruction outcomes, independent tiny
permutation oracles, dense matching and advertised JSON Schemas.
Fixes#4210Fixes#5131
Co-authored-by: Henglie <ebhenglie@gmail.com>
