feat: update payment route paths to use centralized PATHS constants and add missing dummy pay page route

03_source/mobile/src/App.tsx

@@ -137,9 +137,11 @@ const IonicApp: React.FC<IonicAppProps> = ({ darkMode, schedule, setIsLoggedIn,
             {/* Event and profile detail pages */}
 
             <Route exact={true} path="/event_detail/:id" component={EventDetail} />
-            <Route exact={true} path="/dummy_pay_page" component={DummyPayPage} />
-            <Route exact={true} path="/payment_success" component={PaymentSuccess} />
-            <Route exact={true} path="/payment_failed" component={PaymentFailed} />
+
+            <Route exact={true} path={PATHS.DUMMY_EVENT_PAY_PAGE} component={DummyEventPayPage} />
+            <Route exact={true} path={PATHS.DUMMY_PAY_PAGE} component={DummyPayPage} />
+            <Route exact={true} path={PATHS.PAYMENT_SUCCESS} component={PaymentSuccess} />
+            <Route exact={true} path={PATHS.PAYMENT_FAILED} component={PaymentFailed} />
 
             <Route exact={true} path="/profile/:id" component={MemberProfile} />
 
@@ -148,8 +150,6 @@ const IonicApp: React.FC<IonicAppProps> = ({ darkMode, schedule, setIsLoggedIn,
 
             <Route exact={true} path="/helloworld" component={Helloworld} />
 
-            <Route exact={true} path={PATHS.DUMMY_EVENT_PAY_PAGE} component={DummyEventPayPage} />
-
             <Route
               path="/logout"
               render={() => {

03_source/mobile/src/PATHS.ts

@@ -35,6 +35,7 @@ const PATHS = {
   PARTY_USER_SIGN_UP: '/partyUserSignUp',
 
   DUMMY_EVENT_PAY_PAGE: '/DummyEventPayPage',
+  DUMMY_PAY_PAGE: 'dummy_pay_page',
   PAYMENT_SUCCESS: '/payment_success',
   PAYMENT_FAILED: '/payment_failed',