Both suppression filters now match an owner's own OR any ancestor group's
suppression on the firing app's chain:
- trigger anti-join joins the `chain` CTE (ts.app_id = sc.app_owner OR
ts.group_id = sc.group_owner) instead of ts.app_id = $1;
- list_route_suppressions expands group-owned suppressions across descendants
via the all-apps app_chain CTE, yielding (effective_app_id, path) the rebuild
consumes unchanged.
A child group declining a parent template opts out its whole subtree; a sibling
subtree still inherits; sealed still overrides. Pinned by
tests/group_suppression.rs; per-app suppression + sealed regressions green.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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