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boundary
PluginTable.svelte renders a keyed each ({#each groups as group
(group.tier)}); groupByTier's old "rest" bucket for unknown tiers fell
back to key "standard", producing a DUPLICATE standard group (and thus an
each_key_duplicate crash in Svelte 5, blanking both manager tables) whenever
tierless rows were present alongside canonical standard rows.
groupByTier now buckets through a Map keyed by the NORMALIZED tier — each
canonical tier can yield at most one group, so duplicate keys are impossible
by construction, and no row is ever dropped. Unknown/missing tiers fold into
the standard bucket rather than forming a separate trailing group.
The normalization (normalizeTier, in types.ts next to tierLabel/TIER_ORDER)
also runs at the pluginNodes boundary, so every node's tier is canonical
before any tier-keyed consumer sees it — including tierLabel's exhaustive
switch, which rendered an empty badge for out-of-contract values. Normalizing
into an existing bucket (option a) was chosen over a synthetic "unknown"
group because it needs no new UI vocabulary and keeps every consumer total.
Tests: all-canonical order, unknown tier ("kernel"), and missing tier each
assert no duplicate keys, no dropped rows, and the right group/row counts
from the Loaded-table view; the boundary test pins pluginNodes' canonical
output. Plugins-feature vitest green (95 tests); svelte-check, biome, and
vite build green.
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