feat(platform): serve Chat from a JS host as an optional capability - #400
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filvecchiato wants to merge 6 commits into
Open
feat(platform): serve Chat from a JS host as an optional capability#400filvecchiato wants to merge 6 commits into
filvecchiato wants to merge 6 commits into
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Imod7
reviewed
Aug 14, 2026
Also applies review fixes: CSP-safe stubs, logged stream errors, JSDoc in codegen, worker-gate tests, outbound-only chat note.
… feat/chat-platform-js-host
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Closes #383.
OptionalPlatformsuper-trait intruapi-platformlists capabilities a host may omit. Codegen reads it and emitschat?: ChatPlatformonHostCallbacks, optionalRawCallbacksmembers, andget_optional_functionbindings — so omitting chat keepschat_platform: Noneand the existingUnsupportedanswer.initmessage now carries which optional capabilities the main-thread host serves, so the core sees the same set either side of the boundary.ChatPlatformmethods renamed tocreate_chat_room/post_chat_message/subscribe_chat_rooms: the callback namespace is flat, andpostMessagewas ambiguous.subscribe_chat_roomsnow yields aResultlike every other platform stream.