templates, handlers, CSS, JS: special cakes UI, HTMX nav, dashboard overhaul
Special cakes UI: overlay drawer, basket integration, catalogue tag
filter, form parsing, JS save/edit/remove.
HTMX navigation: MainContent component, nav links with hx-get,
handlers return partial on HX-Request.
Dashboard: metrics grid, CakeBreakdown, OrderRow with status select,
CakeCounts/OrderCounts, torty filter, tort badge, results-pane.
Collapsible sidebar: toggle button, localStorage, CSS transitions.
Location field: dropdown replaced with pill toggle.
Inline style cleanup: moved to CSS classes (tag-grid, grow, icon.sm,
header-actions, toggle-group, success-icon, etc.).
Dead CSS removal: pagination, status-chip, badge-pill, login-page.
Helpers: exported CakeTitle/OrderTitle, added tagNames, tagIDsComma,
orderItemsDesc, specialCakeDetail, removed unused helpers.
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