fix: use DB cassettes for HAL init instead of compiled preset

The HAL inventory was built from the config preset, ignoring operator
changes made via atm-tui or SQL. Now reads cassettes from the DB at
HAL init time so denomination/count changes take effect on restart.

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

apps/machine/electron/main.ts

@@ -261,6 +261,18 @@ let pendingBillDenomination: number | null = null
 
 ipcMain.handle('hal:init', async (_event, config) => {
   try {
+    // Override cassette config with DB values (operator may have changed them via atm-tui)
+    const dbCassettes = loadCassettes()
+    if (dbCassettes.length > 0) {
+      config.dispenser.cassettes = dbCassettes.map(
+        (c: { denomination: number; count: number }) => ({
+          denomination: c.denomination,
+          count: c.count,
+        })
+      )
+      console.log('[Electron] Using DB cassettes for HAL init:', config.dispenser.cassettes)
+    }
+
     halInstance = await initializeHal(config)
 
     // Wire validator events → forward to renderer via IPC