giles e6d7a08f8c Add canonical serialization and content identity spec ...

spec/canonical.sx defines:
- canonical-serialize: deterministic s-expression serialization
  (sorted dict keys, normalized numbers, minimal escaping)
- content-id: SHA3-256 of canonical form = CID of any s-expression
- Bytecode module format: (sxbc version source-hash (code ...))
- Provenance records linking source CID → bytecode CID → compiler CID

The CID is the identity model for SX. A component, a bytecode module,
a test suite — anything expressed as an s-expression — is addressable
by content hash. Annotation layers (source maps, variable names, test
results, documentation) reference CIDs without polluting the artifacts.

Requires host primitives: sha3-256, sort. Tests in test-canonical.sx.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-03-27 14:35:33 +00:00

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