diff --git a/pitch-deck/lib/db.ts b/pitch-deck/lib/db.ts
index 7e32d9b..bce424a 100644
--- a/pitch-deck/lib/db.ts
+++ b/pitch-deck/lib/db.ts
@@ -1,4 +1,11 @@
-import { Pool } from 'pg'
+import { Pool, types } from 'pg'
+
+// Coerce NUMERIC/DECIMAL columns to JS numbers globally. The default
+// node-postgres behavior hands them back as strings, which silently breaks
+// every downstream `.toFixed()` / direct-number call (seen crashing
+// UnitEconomicsCards on the Finanzen slide). Our values fit comfortably in
+// Number.MAX_SAFE_INTEGER, so the precision trade-off is fine.
+types.setTypeParser(types.builtins.NUMERIC, (val) => (val === null ? null : parseFloat(val)))
 
 const pool = new Pool({
   connectionString: process.env.DATABASE_URL || 'postgres://breakpilot:breakpilot123@localhost:5432/breakpilot_db',