Items 1-5, 9, 11 from denya-wahab-feedback-s2: - Category.show_in_form (alert-only flag): Gas Leak hidden from issue picker but kept urgent for SLA/alert and reporting; emergency quick path on the new-issue form creates urgent tickets via include_hidden categories. - Seed: Aluminum/Glass, Carpentry, Mould & Damp (Medium default) maintenance categories; Lost Property renamed Missing Item (+ sub). - One alembic migration: add show_in_form (backfill True, Gas Leak False) + data rename Lost Property -> Missing Item. - Property -> Building -> Apartment cascade with searchable apartment combobox on the new-issue form and ticket list filters; /api/tickets/units gains building filter + /units/grouped variant; /api/tickets gains additive building/unit_id filters. apartment_mapping.json committed (deterministic). - Group-by-priority toggle on /tickets (four sections + unknown bucket, age-sortable, composes with filters, URL deep links), FM dashboard active tickets, and CS dashboard priority card click-through. - Tests: 13 new (category visibility, seed idempotency/sync, unit grouping, ticket building/unit filters).
Generic single-database configuration with an async dbapi.