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Create file children through opaque directory grants #400
Description
Activity
Implementation is ready in PR #406 at exact head
a5b45266641a747fe7d8af647889a0fbc554454e, based one98b885d487e3e2e560ebe1917d3cdcdb0dc4c58. Local changed-path gates are green: Chrome 153 WPT reduction 3/3; focused native create/runtime and 100-cycle lifecycle; C++ broker/C11 ABI 2/2; 10k broker 0.029s with +96 KiB RSS and 0 FD; export contract 2/2; all three symbols present; AppScenecac13616request/status/field adapter assertions pass. The broad local aggregate reaches the separately documented pre-existing writer close assertion only after all new create assertions pass. Direct exact-head hosted gates are queued; NuGet is being canceled as unrelated.Completed by PR #406, merged as
ad33c45305f4cabbb87d378686539d39efb606c5. Exact-head Linux, macOS, portable V8, native-document, and NativeAOT 11/12 checks all passed. The merged runtime now implementsgetFileHandle(name, {create:true})over the opaque AppScene parent/derived-grant ABI, including browser error mapping, navigation cancellation, exactly-once release, and bounded lifecycle gates. Post-merge CI and NuGet tails were canceled.
Scope
Implement
FileSystemDirectoryHandle.getFileHandle(name, {create:true})over the typed opaque child authority tracked by SceneTech/AppScene#162.Browser behavior follows the pinned WPT contract:
TypeMismatchError;TypeErrorbehavior;Acceptance
getFileHandle(...,{create:true})pluscreateWritable().This issue excludes directory creation,
removeEntry()/remove(), move/rename, recursive deletion, and package paths tracked by #131/#252.Parent: #248.