fix(llc): regenerate the OpenAPI client at protocol v239.70.0

[VelikovPetar]

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Linear: FLU-929
Github Issue: #

Warning

Defer merging until the backend v239.68.0 rollout reaches every cluster. That release (CHA-5968, CHA-3441) makes the server always send app.defaults, member user_id and own-user blocked_user_ids, and this spec marks those fields required. Against a server that predates it — the demo app's cluster on 2026-10-14 — the regenerated client fails to decode:

• getApp, so getAppSettings returns a failure and the settings load on connect fails silently (connectUser itself still succeeds);
• any ChannelMemberResponse, which includes channel.membership in a generated queryChannels response.

Released SDKs and the current queryChannels path are unaffected: they decode the hand-written models, and nothing in lib/src/ decodes the generated ChannelMemberResponse.

CLA

• I have signed the Stream CLA (required).
• The code changes follow best practices
• Code changes are tested (add some information if not applicable)

Description of the pull request

Regenerates lib/open_api/ at openapi-v239.70.0 with the generator fix from GetStream/chat#18085 (monolith v239.67.0-238-g8d6e1fa600). It is the first protocol release whose spec marks the sort query params of GetReplies and GetPinnedMessages as JSON.

Object-typed GET query params used to go out as plain retrofit @Querys, so Dio bracket-expanded the payload (payload[filter_conditions][id]=…) or toString()ed the sort list, and the server answered 400 invalid json data. Each of these params is now sent as one JSON-encoded query value. The typed public method on DefaultApi stays as it was and forwards to a private retrofit method:

• payload: queryMembers, queryUsers, search, queryBannedUsers, queryFutureChannelBans, queryMessageFlags
• sort: getReplies, getPinnedMessages

A DateTime inside the value is sent as UTC RFC3339 and a Set as a list. A value that can't be encoded (a hand-written enum, a Duration) returns a failure without sending a request.

Spec drift (v239.44.1 → v239.70.0)

• New op: queryChannelBans, now listed in group 11.
• Newly required: AppResponseFields.defaults, ChannelMemberResponse.userId and OwnUserResponse.blockedUserIds. See the warning above.
• Removed: revokeTokensIssuedBefore from UserResponse and its siblings. No mapper read it.
• New fields and models: additive, including scheduled messages, channel-ban scopes and the AI audio config.

Test fixtures are updated for defaults and revokeTokensIssuedBefore. generate_plan.py now lists an op under its public name rather than its private _name retrofit method.

Testing

• dart analyze --fatal-infos clean; flutter test --exclude-tags live green, 1,896 tests.

• New request-level tests in test/open_api/api/default_api_json_query_test.dart assert on the outgoing request:

  • payload and sort each go out as one JSON query value with no bracket keys;
  • a local DateTime is sent in UTC and a Set as a list;
  • an enum or Duration returns a failure without sending a request;
  • plain params are sent as they are.

  Six of the seven fail against the previous client.

• Local live runs against the demo app:

  • All 8 ops returned 400 before. Now all 8 succeed.
  • A generated queryChannels probe fails on the missing membership user_id, which is the rollout issue above.

🤖 Generated with Claude Code

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Codecov Report

✅ All modified and coverable lines are covered by tests.
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Additional details and impacted files

@@          Coverage Diff           @@
##             v11    #3064   +/-   ##
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  Coverage       ?   77.94%           
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  Files          ?      469           
  Lines          ?    29226           
  Branches       ?        0           
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  Hits           ?    22779           
  Misses         ?     6447           
  Partials       ?        0           

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