Cluster controller first iteration#1688

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DmytroPI-dev wants to merge 5 commits intofeature/database-controllersfrom

feature/database-controllers-cluster-controller

Commits on Feb 5, 2026

Cluster controller first iteration
DmytroPI-dev
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Update validation logic for size and pg version changes.
DmytroPI-dev
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Refactored getMergedConfig method in cluster_controller.go, set current copyright year.
DmytroPI-dev
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Commits on Feb 6, 2026

Fixed incorrect passford issue
DmytroPI-dev
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Commits on Feb 9, 2026

Removed redundant validation steps, simplified reconciliation logic.
DmytroPI-dev
committed