perf: 실시간 접속 확인에서 불필요한 context 조회를 제거

app/game-api/src/router/dashboard/index.ts

@@ -9,26 +9,21 @@ import { getTurnCommandTable } from '../turns/index.js';
 
 const zRevision = z.string().regex(/^[A-Za-z0-9_-]{22}$/u);
 
-const zContextBundleInput = z
-    .object({
-        include: z.object({
-            context: z.boolean(),
-            commandTable: z.boolean(),
-            boardAccess: z.boolean(),
-        }),
-        known: z
-            .object({
-                context: zRevision.optional(),
-                commandTable: zRevision.optional(),
-                boardAccess: zRevision.optional(),
-            })
-            .optional(),
-        forceSnapshot: z.boolean().optional(),
-    })
-    .refine((input) => Object.values(input.include).some(Boolean), {
-        message: 'At least one dashboard context slice must be requested.',
-        path: ['include'],
-    });
+const zContextBundleInput = z.object({
+    include: z.object({
+        context: z.boolean(),
+        commandTable: z.boolean(),
+        boardAccess: z.boolean(),
+    }),
+    known: z
+        .object({
+            context: zRevision.optional(),
+            commandTable: zRevision.optional(),
+            boardAccess: zRevision.optional(),
+        })
+        .optional(),
+    forceSnapshot: z.boolean().optional(),
+});
 
 export const dashboardRouter = router({
     getContextBundleDelta: accessLimitAuthedProcedure.input(zContextBundleInput).query(async ({ ctx, input }) => {
@@ -37,8 +32,20 @@ export const dashboardRouter = router({
             throw new TRPCError({ code: 'UNAUTHORIZED' });
         }
 
-        const currentContext = await getGeneralContext(ctx);
-        const generalId = currentContext?.general.id ?? null;
+        const includesProjection = Object.values(input.include).some(Boolean);
+        const currentContext = input.include.context ? await getGeneralContext(ctx) : undefined;
+        const generalId =
+            currentContext?.general.id ??
+            ctx.realtimeAccessGeneralId ??
+            (includesProjection
+                ? (
+                      await ctx.db.general.findFirst({
+                          where: { userId: viewerId },
+                          orderBy: { id: 'asc' },
+                          select: { id: true },
+                      })
+                  )?.id ?? null
+                : null);
         const [commandTable, boardAccess] = await Promise.all([
             input.include.commandTable && generalId ? getTurnCommandTable(ctx, generalId) : Promise.resolve(undefined),
             input.include.boardAccess && generalId ? getBoardAccess(ctx) : Promise.resolve(undefined),