fix: 플레이 감사 기간을 실제 초기 달력으로 제한

app/game-frontend/e2e/playAudit.spec.ts

@@ -7,6 +7,7 @@ const world = {
     year: 190,
     month: 7,
     startYear: 190,
+    startMonth: 1,
     serverId: 'audit-fixture',
     tick: '100',
     asOf: '2026-09-16T00:00:00.000Z',
@@ -474,3 +475,38 @@ test('historical log failure retries independently and sends only the selected m
     expect(requests.filter((r) => r.operation === 'playAudit.generalTurns')).toHaveLength(0);
     await capture(page, 'historical-general-logs-mobile');
 });
+
+test('initial calendar before the scenario year bounds default periods and month controls', async ({ page }) => {
+    const requests = await install(page);
+    await page.route(gameTrpcRoute, async (route) => {
+        if (decodeURIComponent(route.request().url()).includes('playAudit.coverage')) {
+            await route.fulfill({
+                contentType: 'application/json',
+                body: JSON.stringify([
+                    {
+                        result: {
+                            data: {
+                                ...world,
+                                year: 189,
+                                month: 10,
+                                startYear: 189,
+                                startMonth: 10,
+                                status: 'COLLECTED',
+                                samples: [],
+                                nextCursor: null,
+                            },
+                        },
+                    },
+                ]),
+            });
+        } else await route.fallback();
+    });
+    await page.goto(gamePath('/play-audit?tab=nations&nation=2'));
+    await expect(page.getByLabel('시작 연도', { exact: true })).toHaveValue('189');
+    await expect(page.getByLabel('시작 월', { exact: true })).toHaveValue('10');
+    await expect(page.getByLabel('시작 월', { exact: true })).toHaveAttribute('min', '10');
+    await expect(page.getByLabel('월', { exact: true })).toHaveAttribute('min', '10');
+    await expect
+        .poll(() => requests.find((r) => r.operation === 'playAudit.nationSeries')?.input)
+        .toMatchObject({ from: { year: 189, month: 10 }, to: { year: 189, month: 10 } });
+});

app/game-frontend/src/views/PlayAuditView.vue

@@ -102,7 +102,10 @@ const readQuery = () => {
     moment.value = ['month', 'final'].includes(String(route.query.at)) ? String(route.query.at) : 'current';
     year.value = numeric(route.query.year, coverage.value?.year ?? 0);
     month.value = numeric(route.query.month, coverage.value?.month ?? 1);
-    const defaultStart = Math.max((coverage.value?.startYear ?? year.value) * 12, year.value * 12 + month.value - 6);
+    const defaultStart = Math.max(
+        (coverage.value?.startYear ?? year.value) * 12 + (coverage.value?.startMonth ?? 1) - 1,
+        year.value * 12 + month.value - 6
+    );
     fromYear.value = numeric(route.query.fromYear, Math.floor(defaultStart / 12));
     fromMonth.value = numeric(route.query.fromMonth, (defaultStart % 12) + 1);
     resolution.value = route.query.resolution === 'month' ? 'month' : 'halfYear';
@@ -333,7 +336,14 @@ onMounted(async () => {
                             :max="coverage.year"
                             required
                     /></label>
-                    <label>월<input v-model.number="month" type="number" min="1" max="12" required /></label>
+                    <label
+                        >월<input
+                            v-model.number="month"
+                            type="number"
+                            :min="year === coverage.startYear ? coverage.startMonth : 1"
+                            :max="year === coverage.year ? coverage.month : 12"
+                            required
+                    /></label>
                     <template v-if="tab === 'nations' && moment !== 'final'">
                         <label
                             >시작 연도<input
@@ -344,7 +354,12 @@ onMounted(async () => {
                                 required
                         /></label>
                         <label
-                            >시작 월<input v-model.number="fromMonth" type="number" min="1" max="12" required
+                            >시작 월<input
+                                v-model.number="fromMonth"
+                                type="number"
+                                :min="fromYear === coverage.startYear ? coverage.startMonth : 1"
+                                :max="fromYear === coverage.year ? coverage.month : 12"
+                                required
                         /></label>
                         <label
                             >간격<select class="legacy-sort-select" v-model="resolution">