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This was referenced Sep 29, 2026
Add ADR 0003 and the ABI v1 §File input contract. File input moves from the App v2 capabilities.fileInput manifest block to a runtime host_file_register call on the mediated-input lifecycle, with inline (8 MiB) and relaunch (128 MiB) delivery and host_file_info for the selected file's name, MIME type and size. The manifest keeps only an advisory top-level fileTypes hint. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
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Summary
host_file_registerregisters a handler on the shared mediated-input handle space;host_file_inforeturns the selected file's base name, MIME type, and size.inline(up to 8 MiB, read throughhost_input_read, counted against the per-update Host-call budget) andrelaunch(up to 128 MiB, the file replaces the asset at the handler'smountPathin a fresh execution).fileTypesmanifest list lets a Host suggest an App for a file before it runs. It grants nothing.media_typeis a kind-defined token, not a MIME type.The manifest side is in paritytech/trinity-user-agents#507. Implementation follows in a stacked PR.
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