Migrate slow mode cooldown request to the generated UpdateChannelPartialRequest model

[gpunto]

Goal

Migrate the slow-mode cooldown request body (enableSlowMode/disableSlowMode, via the private updateCooldown) to the generated UpdateChannelPartialRequest network model.

Part of AND-1291

Implementation

• updateCooldown now builds UpdateChannelPartialRequest(set = mapOf("cooldown" to N)); ChannelApi.updateCooldown's @Body type is retyped accordingly.
• Remove the hand-written UpdateCooldownRequest (was internal, so no public-API change).

Testing

• New UpdateChannelPartialRequestAdapterTest locks the wire shape ({"unset":[],"set":{"cooldown":N}}).
• Device-probed enable/disable slow mode on the wire: request body byte-exact and backend-accepted.
• spotlessApply, apiDump (no public-API change), detekt, and the full client testDebugUnitTest suite pass.

Summary by CodeRabbit

• Bug Fixes

  • Improved slow-mode updates by sending cooldown settings through the standard partial channel update flow.
  • Preserved reliable enabling and disabling of channel slow mode.

• Tests

  • Added coverage for serializing partial channel updates, including populated, default, set, and unset fields.
  • Updated slow-mode request tests to reflect the unified update format.

[github-actions]

PR checklist ✅

All required conditions are satisfied:

• Title length is OK (or ignored by label).
• At least one pr: label exists.
• Sections ### Goal, ### Implementation, and ### Testing are filled, or the PR is bot-authored.
• An issue is linked (Linear ticket or GitHub issue), or the PR is bot-authored.

🎉 Great job! This PR is ready for review.

[github-actions]

SDK Size Comparison 📏

SDK	Before	After	Difference	Status
stream-chat-android-client	5.95 MB	5.95 MB	0.00 MB	🟢
stream-chat-android-ui-components	11.24 MB	11.24 MB	0.00 MB	🟢
stream-chat-android-compose	12.73 MB	12.73 MB	0.00 MB	🟢

[coderabbitai]

Walkthrough

Cooldown updates now use UpdateChannelPartialRequest instead of the removed UpdateCooldownRequest. API wiring, slow-mode tests, and Moshi serialization fixtures were updated.

Changes

Cooldown request migration

Layer / File(s)	Summary
API request migration stream-chat-android-client/src/main/java/io/getstream/chat/android/client/api2/MoshiChatApi.kt, stream-chat-android-client/src/main/java/io/getstream/chat/android/client/api2/endpoint/ChannelApi.kt, stream-chat-android-client/src/main/java/io/getstream/chat/android/client/api2/model/requests/UpdateCooldownRequest.kt	Cooldown updates now submit UpdateChannelPartialRequest. The legacy request model and unused imports were removed.
Request serialization validation stream-chat-android-client/src/test/java/io/getstream/chat/android/client/api2/MoshiChatApiTest.kt, stream-chat-android-client/src/test/java/io/getstream/chat/android/client/parser2/*	Slow-mode tests verify cooldown values, including zero. New adapter tests verify populated and default request serialization.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• GetStream/stream-chat-android#6554: Uses UpdateChannelPartialRequest in the same API and test areas.
• GetStream/stream-chat-android#6572: Adds slow-mode cooldown end-to-end coverage.
• GetStream/stream-chat-android#6613: Migrates legacy request models in MoshiChatApi and serialization tests.

Suggested labels: released

Suggested reviewers: andremion, velikovpetar

Poem

A rabbit packed the cooldown light,
Into a partial update tight.
Zero hops when slow mode ends,
Moshi checks what JSON sends.
“Clean requests!” the bunny sings.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title directly and clearly describes the main change: migrating slow-mode cooldown requests from UpdateCooldownRequest to UpdateChannelPartialRequest.
Description check	✅ Passed	The description includes Goal, Implementation, and Testing sections that match the template structure. However, it lacks UI Changes, Contributor Checklist, Reviewer Checklist, and GIF sections specified in the template.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch migrate/slow-mode-cooldown

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[stream-public-bot]

🚀 Available in v7.8.0