* Expand static compilation for common Effect 4 patterns
* Run every Effect 4 fixture slice in CI
* Preserve existing corpus behavior across Effect 4 lowering
* Preserve Effect platform callbacks and native stream state
* Record new corpus baselines and retain child stdin refusals
* Retire the obsolete stateful regex diagnostic
* Preserve promise reference count layout for cycle collection
* feat: support static buffer constructors and prototype methods
- Preserve typed-array constructor identity and shared storage across JavaScript class APIs.
- Support chained indexed assignments and mutable prototype methods with native receiver dispatch.
- Compile Three.js geometry merging, instancing, and keyframe interpolation without a JavaScript engine.
* fix: preserve native collection and dispatch semantics
- Preserve typed-array identity in collections and JavaScript argument evaluation.
- Keep symbol-backed fields and unreachable methods on their existing static paths.
- Restore compiler bootstrapping and deferred class diagnostics.
* fix: preserve inferred returns in native compilation
- Update recorded return statements in place so native compilation preserves mixed JavaScript return values.
* test: update inferred array coverage expectations
- Recognize heterogeneous writes supported by shared JavaScript array storage.
- Compile Three.js capsule, sphere, and ray collision queries for native and WebAssembly targets.
- Preserve JavaScript constructor results, shared arrays, and nullable class fields.
- Resolve static methods against their exact class receivers.
- Compile mesh, line, and point picking with perspective and orthographic camera rays.
- Preserve JavaScript override arguments, array identity, and native subclass values across checked calls.
- Specialize package class helpers and handle unsupported JSDoc namepaths.
- Share frontend loading, package selection, contracts, and FFI parsing between Node and native clients.
- Preserve collection layouts and optional method returns while lowering long nullish chains without recursive stack growth.
- Rebuild the frontend from TypeScript through native lowering and C emission with matching output.
- Keep cached native class instances callable, including inherited methods and JavaScript arguments.
- Support plain-object Proxy traps with live receivers, enumeration, and data-property invariants.
- Compile untyped addition, computed environment keys, and text-codec startup storage natively.
- Share symbol-keyed global caches across statically compiled modules.
- Preserve assignment results and evaluation order for native fields, accessors, and nullish defaults.
- Read omitted options correctly in specialized JavaScript package calls.
- Compile Unicode code-point construction, scalar iterable inputs, and primitive Buffer predicates without a JavaScript engine.
- Preserve object identity and property additions or deletions in inferred JavaScript locals.
- Recover nullable class fields initialized through static factories in bundled packages.
- Preserve nullable class fields and module callbacks in native storage with correct initialization behavior.
- Support typed-array construction, bulk copying, and in-place compaction through checked native values.
- Preserve receiver identity and evaluation order in nested field updates.
- Compile zero-argument callback fields and derived arrow replacements using their declared nullable type.
- Preserve callback captures, identity, and null resets in native class storage.
- Carry declaration-backed string, number, and boolean method results into static JavaScript compilation.
- Match named class re-exports to their implementations while preserving self types and rejecting ambiguous aliases.
- Preserve native virtual dispatch when an override omits trailing checked-value parameters.
- Keep argument side effects and subclass defaults correct across direct, inherited, and super calls.
- Keep fields, accessor parameters, and return values inferred as undefined in native checked storage.
- Preserve virtual dispatch for overridden methods in JavaScript packages.
- Route assignments through class accessors without creating shadow fields.
- Statically resolve stable let/var createRequire bindings while rejecting mutation, escape, and early use.
- Compile node:console output methods to native process streams and retain explicit custom Console refusals.
- Extend native FFI with additional scalar widths and writable byte spans.
- Compile stored text codecs and supported bundled module patterns without a JavaScript engine.
- Document supported limits.
* Enable initial static compilation of published Effect modules
- Compile the published Effect Function subpath and deeper npm module chains as static program code.
- Preserve JavaScript argument and string search behavior across native backends, with differential coverage.
* Prune unused static npm namespace re-exports
- Honor package sideEffects metadata across nested ESM scopes and pure dependencies.
- Keep preflight, linking, and initialization consistent, with Node differential coverage.
* Fix static npm pruning across dependency cycles
- Make package purity caching safe across dependency cycles.
- Cover transitive module initialization with a Node differential fixture.
- workspace-linked untyped dists register before the tsc gate and take the node_modules-JS island treatment (errors suppressed, out of userFiles)
- bare '.' and '..' specifiers resolve as relative directory imports (corpus 2386, coverage fixture dot-parent, SEMANTICS 362)
- TS default imports of supported builtins pass under the project's adopted interop knobs (corpus 2387)
- benign-cycle admission accepts d.ts-rooted callable arguments — promisify(fs.readFile) at a cycle member's top level (SEMANTICS 363)
- --npm-static auto probes runtime JS from the importing file's realm, not the entry's (nested-realm fixture)