Add on_change callbacks for managed variables#1990

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dmontagu wants to merge 10 commits into

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managed-variables-on-change-merge

Commits on Jun 11, 2026

Add composition-aware on_change callbacks for managed variables
dmontagu
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Tighten on_change contract: resolution-relevant diffs, snapshots, idempotency docs
dmontagu
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Add test that variables_clear stops notifications (covers empty-registry dispatch)
dmontagu
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Commits on Jun 16, 2026

Address review: on_change first-fetch + callable-default deps + poller lifecycle
dmontagu
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Merge branch 'main' into managed-variables-on-change-merge
dmontagu
authored
Cover empty changed_names + on_change-before-configure branches
dmontagu
committed

Commits on Jun 18, 2026

Commits on Jun 20, 2026

Merge branch 'main' into managed-variables-on-change-merge
dmontagu
authored