Port evolution, Rare Candy, evolution stones and vitamins

Pokémon that levelled up evolve after a won battle, following
EvolveAfterBattle's checks over the ROM's evolution bytes, with the
evolution screen that B can stop and move learning outside battle. The pack
uses Rare Candy, stones (with ABLE/NOT ABLE labels) and vitamins, and its
pocket tabs now sit in their own row.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/foundation-browser.spec.ts

@@ -9,7 +9,10 @@ test.beforeEach(() =>
   test.skip(!existsSync(romPath), "Requires the local user ROM."),
 );
 
-async function start(page: Page, room: boolean | "poster" | "center" = false) {
+async function start(
+  page: Page,
+  room: boolean | "poster" | "center" | "candy" = false,
+) {
   await page.route("**/src/game/runtime.ts", async (route) => {
     const response = await route.fetch(),
       source = await response.text();
@@ -239,3 +242,37 @@ test("Start opens the start menu: SWITCH reorders the party and the pack tosses
   ]);
   expect(state.bag.items).toEqual([{ item: 18, quantity: 4 }]);
 });
+
+test("a Rare Candy levels up and evolves a Pokémon through the pack", async ({
+  page,
+}) => {
+  await start(page, "candy");
+  const text = page.locator("#dialogue-text"),
+    choices = page.locator("#dialogue-choice"),
+    pack = page.locator("#mart");
+  await page.keyboard.press("Enter");
+  await choices.getByRole("option", { name: /^PACK/ }).click();
+  await pack.getByRole("button", { name: /RARE CANDY/ }).click();
+  await choices.getByRole("option", { name: "USE", exact: true }).click();
+  await choices.getByRole("option", { name: /^CYNDAQUIL/ }).click();
+  await expect(text).toContainText("grew to");
+  await page.keyboard.press("KeyX");
+  await expect(text).toContainText("ATTACK");
+  await page.keyboard.press("KeyX");
+  await expect(text).toContainText("is evolving!");
+  await page.clock.runFor(1500);
+  await expect(page.locator("#pokepic")).toBeVisible();
+  await page.clock.runFor(8000);
+  await expect(text).toContainText("Congratulations!");
+  await page.keyboard.press("KeyX");
+  await expect(text).toContainText("QUILAVA!");
+  await page.keyboard.press("KeyX");
+  await expect(pack).toHaveAttribute("aria-label", "Pack");
+  await pack.getByRole("button", { name: "BACK", exact: true }).click();
+  await choices.getByRole("option", { name: /^EXIT/ }).click();
+  await page.clock.runFor(500);
+  await expect(page.locator("#game-notice")).toHaveText("");
+  const { state } = await backup(page);
+  expect([state.party[0].species, state.party[0].level]).toEqual([156, 14]);
+  expect(state.bag.items).toEqual([{ item: 18, quantity: 5 }]);
+});