feat(tip): add selectable coffee gift tiers

src/lib/navigation/__tests__/external_entry.test.ts

@@ -32,28 +32,8 @@ describe("external entry navigation", () => {
     expect(resolveExternalEntryTarget({ target: "sidebar" })).toBe(ROUTES.chat);
   });
 
-  it("routes tip entries to the requested coffee type", () => {
-    expect(
-      resolveExternalEntryDestination({
-        target: "tip",
-        coffeeType: "medium",
-      }),
-    ).toBe("/tip?coffee_type=medium");
-    expect(
-      resolveExternalEntryDestination({
-        target: "tip",
-        coffeeType: "large",
-      }),
-    ).toBe("/tip?coffee_type=large");
-  });
-
-  it("defaults invalid tip coffee types to small", () => {
-    expect(
-      resolveExternalEntryDestination({
-        target: "tip",
-        coffeeType: "unknown",
-      }),
-    ).toBe("/tip?coffee_type=small");
+  it("routes every tip entry to the tier selection page", () => {
+    expect(resolveExternalEntryDestination({ target: "tip" })).toBe("/tip");
   });
 });
 

src/lib/navigation/external_entry.ts

@@ -5,11 +5,6 @@ import { UserStorage } from "@/data/storage/user/user_storage";
 import type { PendingChatPromotionType } from "@/data/storage/navigation";
 import type { LoginStatus } from "@/data/dto/auth";
 import { ROUTES } from "@/router/routes";
-import {
-  buildTipCoffeePath,
-  DEFAULT_TIP_COFFEE_TYPE,
-  resolveTipCoffeeType,
-} from "@/lib/tip/tip_coffee";
 
 export type ExternalEntryTarget =
   | typeof ROUTES.chat
@@ -27,10 +22,6 @@ export interface ExternalEntryTargetInput {
   target?: string | null;
 }
 
-export interface ExternalEntryDestinationInput extends ExternalEntryTargetInput {
-  coffeeType?: string | null;
-}
-
 export interface ExternalEntryPromotionInput {
   mode?: string | null;
   promotionType?: string | null;
@@ -88,14 +79,8 @@ export function resolveExternalEntryTarget({
 
 export function resolveExternalEntryDestination({
   target,
-  coffeeType,
-}: ExternalEntryDestinationInput): string {
-  const resolvedTarget = resolveExternalEntryTarget({ target });
-  if (resolvedTarget !== ROUTES.tip) return resolvedTarget;
-
-  return buildTipCoffeePath(
-    resolveTipCoffeeType(coffeeType) ?? DEFAULT_TIP_COFFEE_TYPE,
-  );
+}: ExternalEntryTargetInput): string {
+  return resolveExternalEntryTarget({ target });
 }
 
 export async function persistExternalEntryPayload({