feat(ledger): add bookkeeping workbench and transaction views

- Add transactions_dirty table and zero-tolerance cleansing action

- Implement bookkeeping workbench (/bookkeeping) with searchable Combobox channel selector and card suffix / account identifier

- Implement transaction ledger (/transactions) with date groupings, multi-currency metrics, and filters

- Update AGENTS.md guidelines for Base UI Select and Combobox bindings

lib/db/normalize-card-brands.ts

@@ -41,7 +41,10 @@ async function main() {
   `
 
   console.log(`Normalized ${updated} channel card brands.`)
-  console.log("Stored card brands:", brands.map((row) => row.card_brand))
+  console.log(
+    "Stored card brands:",
+    brands.map((row) => row.card_brand)
+  )
 }
 
 main()