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net: share exact overview projection and health semantics - #754

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Patrick W. Healy (phealy) wants to merge 1 commit into
phealy/lightweight-status-detail-cachefrom
phealy/lightweight-status-overview-projection
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Patrick W. Healy (phealy) wants to merge 1 commit into
phealy/lightweight-status-detail-cachefrom
phealy/lightweight-status-overview-projection

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@phealy

@phealy Patrick W. Healy (phealy) commented Sep 16, 2026

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Scope

Stacked on #753. Factors existing peer health and route mismatch rules into shared helpers, adds metadata-only projection, and reuses those rules for controller overview rows. Node summary collection can reuse per-peer/per-route predicates without constructing a full diagnostic snapshot.

Small behavior-preserving foundation, below the 1,000 changed-line maximum. New tests cover probe precedence, handshake boundaries, unknown state, all expected/present combinations, and preservation of bootstrap errors and metadata. Publishing defaults and bulk endpoint semantics are unchanged.

Validation

Shared status and controller package tests, scoped make fmt/lint including actionlint, and diff checks passed.

Lightweight status draft stack

Base: #745. Each layer targets the preceding branch and remains draft.

#746 -> #747 -> #748 -> #750 -> #751 -> #752 -> #753 -> #754 -> #755 -> #756 -> #757 -> #758 -> #759 -> #760 -> #761 -> #762 -> #763 -> #764 -> #765 -> #766 -> #767 -> #768 -> #769 -> #770 -> #771 -> #772 -> #773 -> #774 -> #775 -> #776 -> #777 -> #778 -> #779 -> #780 -> #781 -> #782 -> #783 -> #784 -> #785 -> #786 -> #787 -> #788 -> #789 -> #790 -> #791 -> #792 -> #793 -> #794 -> #795 -> #796 -> #797 -> #798 -> #799

Factor legacy peer health and observed-route mismatch calculations into reusable status helpers. Preserve lightweight metadata without carrying peer, route, or BPF arrays. Reuse the calculations for existing controller summaries without changing their output.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: d2243398-6c36-4c3d-969e-7ed7bfb5b459
This was referenced Sep 16, 2026
This was referenced Sep 16, 2026
@phealy

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This PR was mistaken churn from splitting the lightweight-status work into unnecessarily small PRs. That was my mistake, not a requirement from the user.

Its changes are preserved in #812, #762 within the user-approved, consolidated 12-PR draft stack. Closing this superseded PR; the implementation is not being discarded, and nothing has been merged into main.

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