feat: add Recapt analytics, remove push-notifications extension, UI fixes

- Integrate Recapt session tracking with user identity in dashboard layout
- Remove push-notifications extension from settings, panel registry, and toggle list
- Fix journal entry preview overflow on narrow viewports
- Update transaction manual booking button label
- Clarify invoice email error message to reference env vars

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

components/RecaptIdentify.tsx

@@ -0,0 +1,45 @@
+'use client'
+
+import { useEffect } from 'react'
+
+declare global {
+  interface Window {
+    Recapt?: {
+      session: {
+        setIdentity: (identity: {
+          uid: string
+          email?: string
+          nickname?: string
+          fullName?: string
+        }) => void
+      }
+    }
+  }
+}
+
+export function RecaptIdentify({
+  userId,
+  email,
+  displayName,
+}: {
+  userId: string
+  email?: string
+  displayName?: string
+}) {
+  useEffect(() => {
+    const interval = setInterval(() => {
+      if (window.Recapt) {
+        window.Recapt.session.setIdentity({
+          uid: userId,
+          email: email,
+          fullName: displayName,
+        })
+        clearInterval(interval)
+      }
+    }, 500)
+
+    return () => clearInterval(interval)
+  }, [userId, email, displayName])
+
+  return null
+}