Card BUILD-SHAREABLE-FILTERED-TABLES, for researchers and media-to-movements teams: narrow the table to
the peoples you are working on, then give that exact view to a teammate or reopen it on a phone.
TWO GAPS, both measured on main before building.
1. IT WAS NOT REUSABLE. The share hash was a PRIVATE function inside
plugin-designs/research-dashboard/src/composables/useDashboardShell.js, so exactly one dashboard in
the fleet could produce a link. go-int's board had none — grepped, zero matches — and every future
kit dashboard would have had none either. Nothing in it was research-specific except its address.
It is now library/composables/useShareableView.js, parameterized: the bus and labelFor are passed
in, the filter and search param names are options, and no dashboard is named inside it. The
research dashboard supplies the one genuinely research thing — labelFor, for the display-only slug.
2. THE LINK WAS INCOMPLETE, AND SILENTLY SO. The hash serialized filterSet ONLY. Typing in the search
box is the commonest way this persona narrows a table, so a shared link reopened with MORE ROWS than
the sender saw, with nothing to tell the recipient their set was wider. For population data passed
between teams that is worse than a link that plainly fails. `q` is appended only when a term is
present, so a dashboard with an empty search box writes byte-identically the hash it wrote before.
`&` joins params now, so it is reserved in values alongside `;` `:` `*` `,` `%` — otherwise a search for
"rice & beans" would truncate the link at the ampersand.
check:share-policy grows a DRIVEN arm: the two pure functions are lifted from the kit source and RUN,
so nine guarantees are measured rather than asserted — the old format byte-for-byte on an empty search,
slug still display-only, multi-value still dropping the slug, the typed search reaching the link and
coming back, a literal comma in a people-group name surviving, an ampersand in the search surviving, and
both legacy shapes (JSON hashes, and old #f= links with no q) still restoring. No browser needed to
prove a string round-trips.
Source only. Rebuild: research-dashboard, dashboard-plus-grid.
check:filter-multivalue arm C follows the file: it lifted escapeValue/unescapeValue from the shell to
drive the hash round-trip, and said so plainly when they moved ("the hash format moved and this gate is
blind to it") rather than passing vacuously. Repointed to the kit module.
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