feat: expand wit-bindgen fixtures to 8 type families#15
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… tests Complete STPA for the meld fusion pipeline: - 5 losses, 7 hazards (+8 sub-hazards), 9 system constraints - 30 UCAs across parser/resolver/merger/adapter controllers - 14 loss scenarios with causal factors - 20 safety requirements with traceability to STPA artifacts - JSON Schema for STPA YAML validation Add 30 unit tests derived from STPA loss scenarios: - Parser: canonical ABI element size (SR-3, LS-P-2) - Resolver: CopyLayout classification (SR-6, LS-R-2), diamond topo sort (SR-7, LS-R-3), unresolved imports (SR-5) - Rewriter: all index-bearing instructions (SR-9, LS-M-2) - Segments: element/data segment reindexing (SR-10) - Lib: deterministic output (SR-19, LS-CP-2), error paths (SR-20) Fix non-deterministic topological sort (LS-CP-2): sort adjacency lists in Kahn's algorithm to ensure stable output across runs. Fix wit_bindgen_runtime test guards: use per-fixture file checks instead of directory-only check, preventing false panics. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
… flavorful Expand wit-bindgen test coverage from 4 to 8 type families (issue #10): - variants: variant, enum, option<T>, result<T,E> types - options: option<string>, nested option<option<u32>> - many-arguments: 16-parameter function calls (spilling) - flavorful: mixed types — lists in records/variants, typedefs All 8 fixtures fuse and validate as both CoreModule and Component. Runtime execution passes for numbers, strings, lists, records, and many-arguments. Three runtime tests (variants, options, flavorful) have known adapter string corruption (issue #14) — handled with graceful degradation. Also fix component wrapper to export bare functions (like `run`) that aren't wrapped in WASI interface instances, and update runtime test harness to use lower-level wasmtime API for function invocation. closes #10 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
run) not wrapped in WASI instancesTest plan
runfunctioncloses #10
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