* fix(rbac): stack-gate analyst table access via data_packages exclusively
Previously analysts could see a table in ``agnes catalog`` /
``/api/sync/manifest`` either by:
1. being in a group with ``resource_grants(group, 'table', id)``, or
2. being in a group with ``resource_grants(group, 'data_package', …)``
for a package containing the table.
Path 1 leaked: admins who minted a per-table grant without ever
wrapping the table in a data_package still shipped the table to
analysts — directly contradicting the unified-stack mental model
("the stack is the unit of access"). User report:
"i když to admin nedal do data package tak to by default uživatelé
dostali to by se nemělo stát".
New policy: analyst visibility is strictly stack-gated. A table is
visible iff at least one data_package containing it is in the
analyst's stack (required ∪ subscribed). Admin god-mode and the three
internal data-source tables (agnes_sessions / _telemetry / _audit
with row-level RBAC) keep their existing carve-outs.
Touched surfaces:
* ``src/rbac.can_access_table`` + ``get_accessible_tables`` —
routed through ``StackResolver.stack(user, DATA_PACKAGE)`` +
``data_package_tables`` join instead of ``resource_grants(table)``.
* ``app/api/sync._build_direct_tables_section`` — always returns
``[]`` (key kept for older CLI destructuring); per-table grants
no longer manifest.
* Standardised 403 detail across ``/api/data/*``, ``/api/query``,
``/api/v2/sample``, ``/api/v2/scan``, ``/api/v2/schema``:
``Table 'X' is not in your stack. Ask an admin to add it to a
Data Package you have access to (Required or in your stack),
then run `agnes pull` to refresh.`` Single source of truth lives
in ``src.rbac.table_not_in_stack_message`` so the wording stays
consistent across CLI surfaces.
UX side: ``/catalog/t/<id>`` (table detail page) dropped the four
editorial sections (Sample questions, What's inside, Things to know,
Pairs well with) per user feedback — the page's job is now
"what is this table, where do I find it" (hero + parent packages).
Tests:
* ``tests/conftest.grant_table_via_package`` / ``revoke_table_via_package``
— shared helpers that wrap a table in an auto-named data_package +
grant the package required to a custom group. Replaces the legacy
per-test ``_grant_table_to_analyst`` table-grant pattern.
* All 17 previously-failing legacy tests (test_access_control,
test_journey_rbac, test_audit_gap_*, test_rbac, …) migrated to use
the new helper; logic stays the same.
* ``tests/fixtures/analyst_bootstrap._grant_table_access`` updated
to wrap via data_package so the ``test_pat`` fixture's "two table
grants" semantics still ship parquets through ``agnes init``.
* New ``tests/test_table_not_in_stack_message.py`` locks in the
standardised 403 detail across the data + check-access endpoints.
5204 tests passing (added 1).
* fix(catalog): first-demo UX feedback — required-first grouping + longer card description
Two minor polish items from the 2026-05-19 stakeholder demo:
1. Required packages cluster at the top of the Browse grid instead of
being interleaved by ``created_at``. Sort key
``(requirement != 'required', name)`` runs before the adapter
call in both /catalog (data_packages) and /corporate-memory
(memory_domains) so the required block is visible without
scrolling. Regression test pins the order via
``data-id="…"`` position in rendered HTML.
2. ``.stack-card__desc`` line clamp bumped 2 → 4 lines. Two-line clamp
trailed almost every admin-authored description off in "…" before
the second clause, forcing a click-through to read it. The detail
page (/catalog/p/<slug>) keeps the unclamped body for longer
content.
* release: 0.55.3 — stack-gated analyst RBAC (BREAKING) + first-demo UX polish + #345 A/B/C/D + #347 UI consistency
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