DashboardPage now reuses the Cartes report's presentational widgets
(KpiCard with MoM/YoY deltas, top movers, budget adherence) sourced from
getCartesSnapshot against a Dashboard-owned reference month (defaults to
the last complete month). The expense-only pie chart is replaced by a
ranked bar chart of top expense categories (resurrecting the previously
unused CategoryBarChart), and the account (import-source) filter
introduced on Trends/Compare/Budget now also applies to the Dashboard's
own transactional widgets via a Dashboard-local accountIds state (kept
separate from useReportsPeriod, since the Dashboard owns its own two
temporal axes).
A new net-worth tile surfaces the Balance sheet's latest total
(getSnapshotTotalsByDate) — a distinct metric from every transactional
card here, so it stays hidden (never a misleading "$0") until at least
one balance account has a recorded snapshot, reusing deriveLandingState
rather than re-inferring emptiness from nulls. It is not scoped by the
account filter (balance_accounts is a disjoint concept from
import_sources) and is fetched independently on mount.
The category-over-time trend chart now passes typeFilter "expense",
fixing a latent mismatch where a revenue category could silently show
up in a chart titled "expenses over time".
Resolves#279
193ef1d9dd