fix: resolve all lint errors — exclude generated dirs, auto-fix source

Exclude drizzle/ and .planning/ from Biome (generated files with
incompatible formatting). Auto-fix import ordering and formatting
in existing source files.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/client/routes/collection/index.tsx

@@ -9,11 +9,11 @@ import { ItemCard } from "../../components/ItemCard";
 import { SetupCard } from "../../components/SetupCard";
 import { ThreadCard } from "../../components/ThreadCard";
 import { useCategories } from "../../hooks/useCategories";
+import { useCurrency } from "../../hooks/useCurrency";
 import { useItems } from "../../hooks/useItems";
 import { useCreateSetup, useSetups } from "../../hooks/useSetups";
 import { useThreads } from "../../hooks/useThreads";
 import { useTotals } from "../../hooks/useTotals";
-import { useCurrency } from "../../hooks/useCurrency";
 import { useWeightUnit } from "../../hooks/useWeightUnit";
 import { formatPrice, formatWeight } from "../../lib/formatters";
 import { LucideIcon } from "../../lib/iconData";