Build filter trees in-memory

[vlad-ivanov-name]

No description provided.

[vlad-ivanov-name]

@copilot fix ci error: add sorting. Amend existing commit

[Copilot]

@vlad-ivanov-name I've opened a new pull request, #1569, to work on those changes. Once the pull request is ready, I'll request review from you.

[vlad-ivanov-name]

@claude check out this PR, reset commit time so that commit sha changes, and push again (to trigger CI again). the PR should only contain one commit still after

[claude]

Claude finished @vlad-ivanov-name's task —— View job

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Task completed!

• Check current git status and commit history
• Reset commit timestamp to change SHA
• Push changes to trigger CI
• Verify PR still has only one commit

Summary: Successfully reset the commit timestamp and pushed to trigger CI. The commit SHA changed from ba95689 to dc9b6ee, and the PR still contains exactly one commit as requested.

--- | Branch: vlad/in-memory-filter