chore: clean up docs and remove dead migration code

[StuMason]

Summary

• Remove all references to non-existent coolify_resources table
• Remove dead migration code from InstallCommand and ServiceProvider
• Update docs to reflect environment-based resource fetching (not git repo matching)
• Rewrite CHANGELOG with accurate v3.0.0 and [Unreleased] sections
• Document environment switcher functionality in multi-app.md

Test plan

• composer test passes (230 tests)
• composer lint passes

[claude]

Code Review

Summary

This is a well-executed cleanup PR that removes dead code and aligns documentation with the actual implementation. The changes are focused, clear, and improve code maintainability.

✅ Strengths

1. Code Quality

• Clean removal of dead migration code that referenced a non-existent coolify_resources table
• Proper cleanup from both InstallCommand (removed 16 lines) and CoolifyServiceProvider (removed 4 lines)
• No orphaned imports left behind (Illuminate\Support\Facades\Schema correctly removed from InstallCommand.php:8)

2. Documentation Improvements

• CHANGELOG properly restructured with accurate version history
• [Unreleased] section clearly documents the environment-based architecture
• Multi-app.md rewritten to focus on environment switcher functionality (which aligns with the actual dashboard implementation)
• Consistent messaging across all docs about how application lookup works (environment-based vs git repo matching)

3. Testing

• All 230 tests passing according to the PR description
• Existing InstallCommandTest.php remains valid (doesn't test migration-related functionality)
• No test updates needed since the removed code was never actually used

4. Best Practices

• Follows repository conventions from CLAUDE.md
• Commit message follows conventional commits format (chore:)
• Clear PR description with test plan

🔍 Observations

1. Consistency Check ✅
I verified that coolify_resources table references are completely removed:

# Only remaining reference is in CHANGELOG.md (documenting the removal)
grep -r "coolify_resources" --include="*.php"
# Result: No matches

2. Documentation Accuracy ✅
The updated docs correctly reflect the environment-based resource fetching:

• README.md: Updated to mention environment-based fetching
• multi-app.md: Rewritten to document environment switcher
• configuration.md: Explains environment selection logic
• All references to git repo matching removed

3. No Breaking Changes ✅

• coolify:install command signature unchanged
• All published tags remain the same (removed coolify-migrations which wasn't being used)
• ServiceProvider boot/register flow unchanged

💡 Suggestions (Optional)

1. CHANGELOG Date
The v3.0.0 is dated 2026-01-22 (future date). If this hasn't been released yet, consider moving those entries to [Unreleased] section.

2. Installation Documentation
In installation.md:20, the comment still mentions:

- Publish dashboard assets

Consider updating to:

This will:
- Publish `config/coolify.php`
- Publish dashboard assets to `public/vendor/coolify/`
- Generate Dockerfile and docker configs
- Configure TrustProxies middleware

🔒 Security

No security concerns. This PR only removes dead code and updates documentation.

⚡ Performance

No performance impact. The removed code wasn't being executed anyway.

🧪 Test Coverage

Existing test coverage is adequate. The removed code:

• Was never called (dead code)
• Wasn't tested in the test suite
• References a table that never existed

✨ Verdict

LGTM - This is a clean maintenance PR that improves code quality and documentation accuracy. The removal of dead migration code is safe and well-documented in the CHANGELOG. Ready to merge once the optional CHANGELOG date suggestion is addressed (if applicable).

Great work on the cleanup! 🎉