feat(ui): ship contextual action primitives

docs/modules/ui/TASKS.md

@@ -9,7 +9,6 @@
 - `docs/implplan/SPRINT_20260307_009_DOCS_ui_component_preservation_map.md`
 - `docs/implplan/SPRINT_20260307_022_FE_policy_vex_release_decisioning_studio.md`
 - `docs/implplan/SPRINT_20260307_023_DOCS_ui_restoration_topic_shapes.md`
-- `docs/implplan/SPRINT_20260307_029_FE_contextual_actions_and_stray_surfaces.md`
 - `docs/implplan/SPRINT_20260307_035_DOCS_search_first_final_correction_phases.md`
 - `docs/implplan/SPRINT_20260307_036_FE_search_first_shell_consolidation.md`
 - `docs/implplan/SPRINT_20260307_038_FE_live_search_supported_route_execution_matrix.md`
@@ -107,9 +106,9 @@
 - [DONE] FE-WV-004 Step-detail drawer and deep-link behavior
 - [DONE] FE-WV-005 Workflow-editor preview reuse boundary
 - [DONE] FE-WV-006 QA, rollout, alias migration, and docs sync for workflow visualization
-- [TODO] FE-CA-001 Freeze contextual placement decision matrix and route-state contract
-- [TODO] FE-CA-002 Shared contextual drawer host
-- [TODO] FE-CA-003 Split list-detail and right-rail primitives
-- [TODO] FE-CA-004 Context header and return-to-context contract
-- [TODO] FE-CA-005 Grouped overview-card and submenu patterns
-- [TODO] FE-CA-006 Adoption map, QA, and docs sync for contextual action patterns
+- [DONE] FE-CA-001 Freeze contextual placement decision matrix and route-state contract
+- [DONE] FE-CA-002 Shared contextual drawer host
+- [DONE] FE-CA-003 Split list-detail and right-rail primitives
+- [DONE] FE-CA-004 Context header and return-to-context contract
+- [DONE] FE-CA-005 Grouped overview-card and submenu patterns
+- [DONE] FE-CA-006 Adoption map, QA, and docs sync for contextual action patterns