Remove legacy changelog and deprecation files

[andremion]

Goal

Remove manually-maintained CHANGELOG.md, CHANGELOG_MODEL.md, and DEPRECATIONS.md files that are no longer needed now that release notes are auto-generated via .github/release.yaml and PR labels.

Implementation

• Deleted CHANGELOG.md, CHANGELOG_MODEL.md, and DEPRECATIONS.md
• Updated CONTRIBUTING.md to remove references to the deleted files
• Updated AGENTS.md to:
  • Remove DEPRECATIONS.md references from API stability and documentation guidance
  • Replace changelog/deprecation checklist items with PR label guidance
  • Remove "changelog updates" from module boundary note

Testing

• Verify that .github/release.yaml is still in place and correctly configured for auto-generated release notes
• Confirm no CI workflows, Gradle tasks, or scripts referenced the deleted files

Summary by CodeRabbit

• Documentation
  • Updated repository contribution guidelines and developer guidance documentation.
  • Simplified internal documentation structure for changelog and deprecation tracking.

[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.

🎉 Great job! This PR is ready for review.

[github-actions]

SDK Size Comparison 📏

SDK	Before	After	Difference	Status
stream-chat-android-client	5.25 MB	5.68 MB	0.43 MB	🟡
stream-chat-android-ui-components	10.60 MB	10.99 MB	0.39 MB	🟡
stream-chat-android-compose	12.81 MB	12.11 MB	-0.70 MB	🚀

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: 2855abbf-8d0b-427e-b924-bed4e35208b7

📥 Commits

Reviewing files that changed from the base of the PR and between 0a6ceb0 and b8b84c7.

📒 Files selected for processing (5)

• AGENTS.md
• CHANGELOG.md
• CHANGELOG_MODEL.md
• CONTRIBUTING.md
• DEPRECATIONS.md

💤 Files with no reviewable changes (2)

• CONTRIBUTING.md
• CHANGELOG_MODEL.md

---

Walkthrough

These changes shift release notes management from manual changelog files toward a PR/release-label-based system. The CHANGELOG_MODEL.md template file is entirely removed, and documentation references to CHANGELOG.md and DEPRECATIONS.md are removed from contribution guidelines and agent instructions.

Changes

Cohort / File(s)	Summary
Documentation Restructuring AGENTS.md, CONTRIBUTING.md	Removed references to changelog and deprecation documentation files. Updated guidance to use PR/release labels for release notes instead of manual changelog updates.
Template Removal CHANGELOG_MODEL.md	Entire unreleased changelog template file deleted, which previously defined package-specific changelog sections.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 The labels hop in to save the day,
No more changelog files in the way,
Deprecations fade, templates take flight,
Release notes automated—oh what a sight! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely summarizes the main change: removing legacy changelog and deprecation files.
Description check	✅ Passed	The description covers Goal, Implementation, and Testing sections as required by the template. UI Changes and Contributor/Reviewer Checklists are not applicable to this documentation-only change.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch remove-changelog

---

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

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

See analysis details on SonarQube Cloud