feat(flow): session routing contract 정리

src/widgets/focus-dashboard/ui/FocusDashboardWidget.tsx

@@ -43,6 +43,7 @@ const entryCopy = {
   resumeRunning: '진행 중인 세션이 있어요.',
   resumePaused: '잠시 멈춘 세션이 있어요.',
   resumeCta: '이어서 들어가기',
+  resumeRouting: '진행 중인 세션으로 돌아가는 중이에요.',
   resumeMicroStepLabel: '마지막 한 조각',
   resumeNewGoalHint: '새 목표는 현재 세션을 마무리한 뒤 시작할 수 있어요.',
   loadFailed: '세션 상태를 불러오지 못했어요. 새로 시작은 계속 할 수 있어요.',
@@ -176,6 +177,8 @@ export const FocusDashboardWidget = () => {
   const reviewTeaserHelper = isPro ? entryCopy.reviewHelperPro : entryCopy.reviewHelper;
   const reviewTeaserCta = isPro ? entryCopy.reviewCtaPro : entryCopy.reviewCta;
   const entryRitualHint = reviewEntryPresetConfig ? `추천 ritual · ${reviewEntryPresetConfig.label}` : entryCopy.ritualHint;
+  const isRunningSession = currentSession?.state === 'running';
+  const isPausedSession = currentSession?.state === 'paused';
 
   useEffect(() => {
     let cancelled = false;
@@ -210,6 +213,12 @@ export const FocusDashboardWidget = () => {
     };
   }, []);
 
+  useEffect(() => {
+    if (!isCheckingSession && isRunningSession) {
+      router.replace('/space');
+    }
+  }, [isCheckingSession, isRunningSession, router]);
+
   const openPaywall = () => {
     if (!isPro) {
       setPaywallSource('app-entry-plan-pill');
@@ -250,13 +259,13 @@ export const FocusDashboardWidget = () => {
   };
 
   const handleResumeSession = () => {
-    router.push('/space');
+    router.push('/space?resume=continue');
   };
 
   const shouldShowWeeklyReviewTeaser =
     !isCheckingSession && !currentSession && hasEnoughWeeklyData && !isReviewReturn;
   const shouldShowResumeReviewEntry =
-    !isCheckingSession && Boolean(currentSession) && hasEnoughWeeklyData;
+    !isCheckingSession && isPausedSession && hasEnoughWeeklyData;
 
   return (
     <div className="relative min-h-dvh overflow-hidden bg-slate-950 text-white selection:bg-white/20">
@@ -305,7 +314,14 @@ export const FocusDashboardWidget = () => {
                 </div>
               ) : null}
 
-              {currentSession ? (
+              {isRunningSession ? (
+                <div className={cn(goalCardClass, 'space-y-4 text-center')}>
+                  <p className="text-[11px] font-medium uppercase tracking-[0.18em] text-white/46">
+                    {entryCopy.resumeEyebrow}
+                  </p>
+                  <p className="text-[15px] text-white/72">{entryCopy.resumeRouting}</p>
+                </div>
+              ) : currentSession ? (
                 <div className={cn(goalCardClass, 'space-y-5')}>
                   <div className="space-y-3">
                     <p className="text-[11px] font-medium uppercase tracking-[0.18em] text-white/46">
@@ -315,7 +331,7 @@ export const FocusDashboardWidget = () => {
                       {currentSession.goal}
                     </h1>
                     <p className="text-sm text-white/68">
-                      {currentSession.state === 'paused' ? entryCopy.resumePaused : entryCopy.resumeRunning}
+                      {entryCopy.resumePaused}
                     </p>
                     {currentSession.microStep ? (
                       <div className="rounded-[1.1rem] border border-white/10 bg-white/[0.04] px-4 py-3">

src/widgets/space-workspace/ui/SpaceWorkspaceWidget.tsx

@@ -39,6 +39,7 @@ import { FocusTopToast } from "./FocusTopToast";
 export const SpaceWorkspaceWidget = () => {
   const searchParams = useSearchParams();
   const router = useRouter();
+  const resumeIntent = searchParams.get("resume");
   const sceneQuery = searchParams.get("scene") ?? searchParams.get("room");
   const goalQuery = searchParams.get("goal")?.trim() ?? "";
   const focusPlanItemIdQuery = searchParams.get("planItemId");
@@ -222,6 +223,8 @@ export const SpaceWorkspaceWidget = () => {
     workspaceMode === "setup" &&
     showReviewTeaserAfterComplete &&
     hasEnoughWeeklyData;
+  const allowsPausedReentry =
+    resumeIntent === "continue" || resumeIntent === "refocus";
   const secondaryReviewTeaser = shouldShowSecondaryReviewTeaser
     ? {
         title: isPro
@@ -242,6 +245,16 @@ export const SpaceWorkspaceWidget = () => {
     }
   }, [isBootstrapping, currentSession, hasQueryOverrides, router]);
 
+  useEffect(() => {
+    if (isBootstrapping || !currentSession) {
+      return;
+    }
+
+    if (currentSession.state === "paused" && !allowsPausedReentry) {
+      router.replace("/app");
+    }
+  }, [allowsPausedReentry, currentSession, isBootstrapping, router]);
+
   useEffect(() => {
     const preferMobile =
       typeof window !== "undefined"