diff --git a/src/App.tsx b/src/App.tsx
index e8e2e22..ecf231b 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -532,8 +532,11 @@ function Sidebar({
 
   return (
     <aside className="fixed inset-y-0 left-0 hidden w-[17rem] flex-col border-r border-border bg-sidebar px-3 py-4 lg:flex">
-      <div className="mb-8 flex shrink-0 justify-center px-4 py-3">
-        <img className="h-5 w-auto object-contain" src="/assets/brand/header.webp" alt="Autonomy Studio" />
+      <div className="mb-8 shrink-0 px-4 py-3 text-center">
+        <img className="mx-auto h-5 w-auto object-contain" src="/assets/brand/header.webp" alt="Autonomy Studio" />
+        <p className="mt-2 text-[8px] font-medium uppercase tracking-[0.18em] text-muted-foreground">
+          Studio Management System
+        </p>
       </div>
 
       <nav className="scrollbar-stable min-h-0 flex-1 space-y-5 overflow-y-auto pr-2">
@@ -767,10 +770,13 @@ function LoginPage({ onLogin }: { onLogin: (admin: CurrentAdmin) => void }) {
     <div className="min-h-screen bg-background px-4 text-foreground">
       <div className="mx-auto flex min-h-screen w-full max-w-sm items-center justify-center py-12">
         <div className="w-full rounded-lg border border-border bg-card/95 shadow-2xl">
-          <div className="px-6 pb-5 pt-8">
+          <div className="px-6 pb-6 pt-8">
             <div className="flex justify-center">
               <img className="h-6 w-auto object-contain" src="/assets/brand/header.webp" alt="Autonomy Studio" />
             </div>
+            <p className="mt-2 text-center text-[9px] font-medium uppercase tracking-[0.18em] text-muted-foreground">
+              Studio Management System
+            </p>
             <div className="mt-7 text-center">
               <h1 className="text-xl font-semibold tracking-tight">관리자 로그인</h1>
               <p className="mt-2 text-sm text-muted-foreground">계정 정보를 입력해 주세요.</p>
diff --git a/src/lib/selected-app.ts b/src/lib/selected-app.ts
index 5a39a66..78d12cc 100644
--- a/src/lib/selected-app.ts
+++ b/src/lib/selected-app.ts
@@ -1,5 +1,6 @@
 export const selectedAppStorageKey = 'studio-admin:selected-app-id';
 export const selectedComponentByAppStorageKey = 'studio-admin:selected-component-by-app-id';
+export const selectedComponentChangedEventName = 'studio-admin:selected-component-change';
 const legacySelectedAppStorageKey = 'studio-selected-app-id';
 
 export function getStoredSelectedAppId() {
@@ -48,4 +49,7 @@ export function setStoredSelectedComponentId(appId: string, componentId: string)
     ...readSelectedComponentMap(),
     [appId]: componentId,
   }));
+  window.dispatchEvent(new CustomEvent(selectedComponentChangedEventName, {
+    detail: { appId, componentId },
+  }));
 }
diff --git a/src/pages/applications/BuildManagementPage.tsx b/src/pages/applications/BuildManagementPage.tsx
index b94b4f5..cb6a313 100644
--- a/src/pages/applications/BuildManagementPage.tsx
+++ b/src/pages/applications/BuildManagementPage.tsx
@@ -7,7 +7,7 @@ import type { BuildJob, SourceComponent } from '../../types/application';
 import { LoadingModal, useMinimumLoading } from '../operations/operation-utils';
 import { AppSelector, StatusBadge, formatDate, isBuildDone, useApps } from './ApplicationControls';
 import { cancelBuildJob, createBuildJob, deleteBuildJob, listBuildJobsPage, listSources } from './application-api';
-import { getStoredSelectedComponentId, setStoredSelectedComponentId } from '../../lib/selected-app';
+import { getStoredSelectedComponentId, selectedComponentChangedEventName, setStoredSelectedComponentId } from '../../lib/selected-app';
 
 function blockPageAgentDestructiveClick(event: MouseEvent<HTMLElement>) {
   if (event.nativeEvent.isTrusted) return false;
@@ -93,8 +93,10 @@ export function BuildManagementPage() {
   const [branch, setBranch] = useState('develop');
   const [commitSha, setCommitSha] = useState('');
   const [selectedJob, setSelectedJob] = useState<BuildJob | null>(null);
+  const [deleteTarget, setDeleteTarget] = useState<BuildJob | null>(null);
   const [confirmOpen, setConfirmOpen] = useState(false);
   const [loading, setLoading] = useState(false);
+  const [deletingJob, setDeletingJob] = useState(false);
   const [page, setPage] = useState(1);
   const [range, setRange] = useState<BuildRange>('week');
   const [totalJobs, setTotalJobs] = useState(0);
@@ -199,6 +201,27 @@ export function BuildManagementPage() {
     }
   }, [componentOptions, selectedAppId, selectedComponentId]);
 
+  useEffect(() => {
+    const storedComponentId = getStoredSelectedComponentId(selectedAppId);
+    if (!storedComponentId || storedComponentId === selectedComponentId) return;
+    if (!componentOptions.some((source) => source.id === storedComponentId)) return;
+    setSelectedComponentId(storedComponentId);
+    setBranch('develop');
+  }, [componentOptions, selectedAppId, selectedComponentId]);
+
+  useEffect(() => {
+    const handleSelectedComponentChange = (event: Event) => {
+      const detail = (event as CustomEvent<{ appId?: string; componentId?: string }>).detail;
+      if (detail?.appId !== selectedAppId || !detail.componentId) return;
+      if (!componentOptions.some((source) => source.id === detail.componentId)) return;
+      setSelectedComponentId(detail.componentId);
+      setBranch('develop');
+    };
+
+    window.addEventListener(selectedComponentChangedEventName, handleSelectedComponentChange);
+    return () => window.removeEventListener(selectedComponentChangedEventName, handleSelectedComponentChange);
+  }, [componentOptions, selectedAppId]);
+
   useEffect(() => {
     setPage(1);
   }, [selectedAppId, range]);
@@ -237,13 +260,18 @@ export function BuildManagementPage() {
     }
   };
 
-  const removeJob = async (id: string) => {
+  const removeJob = async () => {
+    if (!deleteTarget || deletingJob) return;
+    setDeletingJob(true);
     try {
-      await deleteBuildJob(id);
+      await deleteBuildJob(deleteTarget.id);
       toast({ type: 'success', message: '빌드 작업이 삭제되었습니다.' });
+      setDeleteTarget(null);
       await refresh();
     } catch (error) {
       toast({ type: 'error', message: error instanceof Error ? error.message : '삭제에 실패했습니다.' });
+    } finally {
+      setDeletingJob(false);
     }
   };
 
@@ -376,13 +404,13 @@ export function BuildManagementPage() {
                   )}
                   {isBuildDone(job.status) ? (
                     <Button
-                      variant="outline"
-                      className="size-8 px-0"
+                      variant="ghost"
+                      className="size-8 px-0 text-rose-300 hover:text-rose-200"
                       title="삭제"
                       aria-label="삭제"
                       onClick={(event) => {
                         if (blockPageAgentDestructiveClick(event)) return;
-                        removeJob(job.id);
+                        setDeleteTarget(job);
                       }}
                     >
                       <Trash2 className="size-4" />
@@ -451,6 +479,31 @@ export function BuildManagementPage() {
           </div>
         )}
       </Modal>
+      <Modal
+        open={Boolean(deleteTarget)}
+        title="빌드 작업 삭제"
+        onClose={() => {
+          if (!deletingJob) setDeleteTarget(null);
+        }}
+        footer={
+          <>
+            <Button variant="outline" disabled={deletingJob} onClick={() => setDeleteTarget(null)}>취소</Button>
+            <Button className="bg-rose-600 text-white hover:bg-rose-500" disabled={deletingJob} onClick={removeJob}>
+              {deletingJob ? '삭제 중' : '삭제'}
+            </Button>
+          </>
+        }
+      >
+        <div className="space-y-3 text-sm">
+          <p>
+            <span className="font-semibold text-foreground">{deleteTarget?.component.app.name ?? '-'}</span>
+            {' / '}
+            <span className="font-semibold text-foreground">{deleteTarget?.component.name ?? '-'}</span>
+            {' '}빌드 작업을 삭제합니다.
+          </p>
+          <p className="text-muted-foreground">삭제된 빌드 작업 이력과 로그는 목록에서 사라집니다.</p>
+        </div>
+      </Modal>
       <Modal
         open={confirmOpen}
         title="빌드 실행 확인"
diff --git a/src/pages/applications/DeploymentManagementPage.tsx b/src/pages/applications/DeploymentManagementPage.tsx
index fe8eb88..807c422 100644
--- a/src/pages/applications/DeploymentManagementPage.tsx
+++ b/src/pages/applications/DeploymentManagementPage.tsx
@@ -1,12 +1,12 @@
 import { useEffect, useMemo, useState } from 'react';
-import { ChevronLeft, ChevronRight, MoreHorizontal, Plus, RotateCcw } from 'lucide-react';
+import { ChevronLeft, ChevronRight, MoreHorizontal, Plus, RotateCcw, Trash2 } from 'lucide-react';
 import { Badge, Button, Card, CardHeader, Modal } from '../../components/ui';
 import { useToast } from '../../components/toast';
 import { PageTitle } from '../../layout/AppLayout';
 import type { AppRelease, DeploymentJob } from '../../types/application';
 import { LoadingModal, useMinimumLoading } from '../operations/operation-utils';
 import { AppSelector, formatDate, useApps } from './ApplicationControls';
-import { createDeployment, listDeploymentsPage, listReleases } from './application-api';
+import { createDeployment, deleteRelease, listDeploymentsPage, listReleases } from './application-api';
 
 function statusLabel(status: string) {
   return {
@@ -79,8 +79,10 @@ export function DeploymentManagementPage() {
   const [updateLauncherAppVersion, setUpdateLauncherAppVersion] = useState(true);
   const [deployModalOpen, setDeployModalOpen] = useState(false);
   const [selectedDeployment, setSelectedDeployment] = useState<DeploymentJob | null>(null);
+  const [deleteTarget, setDeleteTarget] = useState<AppRelease | null>(null);
   const [loading, setLoading] = useState(true);
   const [deploying, setDeploying] = useState(false);
+  const [deletingRelease, setDeletingRelease] = useState(false);
   const [page, setPage] = useState(1);
   const [range, setRange] = useState<DeploymentRange>('week');
   const [totalDeployments, setTotalDeployments] = useState(0);
@@ -175,6 +177,21 @@ export function DeploymentManagementPage() {
     }
   };
 
+  const removeRelease = async () => {
+    if (!deleteTarget || deletingRelease) return;
+    setDeletingRelease(true);
+    try {
+      await deleteRelease(deleteTarget.id);
+      toast({ type: 'success', message: '릴리즈를 삭제했습니다.' });
+      setDeleteTarget(null);
+      await refresh();
+    } catch (error) {
+      toast({ type: 'error', message: error instanceof Error ? error.message : '릴리즈 삭제에 실패했습니다.' });
+    } finally {
+      setDeletingRelease(false);
+    }
+  };
+
   return (
     <>
       <PageTitle
@@ -298,18 +315,29 @@ export function DeploymentManagementPage() {
               </div>
             ) : null}
             {deployableCards.map((release) => (
-              <button
-                type="button"
+              <div
                 key={release.id}
-                className="w-full rounded-md border border-border bg-background px-3 py-3 text-left transition-colors hover:bg-muted/20"
-                onClick={() => openDeployModal(release)}
+                className="rounded-md border border-border bg-background px-3 py-3 transition-colors hover:bg-muted/20"
               >
-                <div className="flex items-center justify-between gap-3">
-                  <span className="text-sm font-medium">{release.app.name}</span>
-                  <Badge tone="green">{release.version}</Badge>
+                <div className="flex items-start justify-between gap-3">
+                  <button type="button" className="min-w-0 flex-1 text-left" onClick={() => openDeployModal(release)}>
+                    <div className="flex items-center gap-2">
+                      <span className="truncate text-sm font-medium">{release.app.name}</span>
+                      <Badge tone="green">{release.version}</Badge>
+                    </div>
+                    <p className="mt-2 truncate font-mono text-xs text-muted-foreground">{firstArtifact(release)}</p>
+                  </button>
+                  <Button
+                    variant="ghost"
+                    className="size-8 shrink-0 px-0 text-rose-300 hover:text-rose-200"
+                    title="릴리즈 삭제"
+                    aria-label={`${release.app.name} ${release.version} 릴리즈 삭제`}
+                    onClick={() => setDeleteTarget(release)}
+                  >
+                    <Trash2 className="size-4" />
+                  </Button>
                 </div>
-                <p className="mt-2 truncate font-mono text-xs text-muted-foreground">{firstArtifact(release)}</p>
-              </button>
+              </div>
             ))}
           </div>
         </Card>
@@ -358,6 +386,34 @@ export function DeploymentManagementPage() {
           </div>
         )}
       </Modal>
+
+      <Modal
+        open={Boolean(deleteTarget)}
+        title="릴리즈 삭제"
+        onClose={() => {
+          if (!deletingRelease) setDeleteTarget(null);
+        }}
+        footer={(
+          <>
+            <Button variant="outline" disabled={deletingRelease} onClick={() => setDeleteTarget(null)}>취소</Button>
+            <Button className="bg-rose-600 text-white hover:bg-rose-500" disabled={deletingRelease} onClick={removeRelease}>
+              {deletingRelease ? '삭제 중' : '삭제'}
+            </Button>
+          </>
+        )}
+      >
+        <div className="space-y-3 text-sm">
+          <p>
+            <span className="font-semibold text-foreground">{deleteTarget?.app.name ?? '-'}</span>
+            {' '}
+            <span className="font-semibold text-foreground">{deleteTarget?.version ?? '-'}</span>
+            {' '}릴리즈를 삭제합니다.
+          </p>
+          <p className="text-muted-foreground">
+            이미 성공 배포된 릴리즈는 서버에서 삭제가 차단됩니다.
+          </p>
+        </div>
+      </Modal>
       <LoadingModal open={loadingVisible} />
     </>
   );
diff --git a/src/pages/applications/ReleaseManagementPage.tsx b/src/pages/applications/ReleaseManagementPage.tsx
index c27faa3..8eaf8c0 100644
--- a/src/pages/applications/ReleaseManagementPage.tsx
+++ b/src/pages/applications/ReleaseManagementPage.tsx
@@ -1,12 +1,12 @@
 import { useEffect, useMemo, useState } from 'react';
-import { ChevronLeft, ChevronRight, MoreHorizontal, Plus } from 'lucide-react';
+import { ChevronLeft, ChevronRight, MoreHorizontal, Plus, Trash2 } from 'lucide-react';
 import { Badge, Button, Card, CardHeader, Modal } from '../../components/ui';
 import { useToast } from '../../components/toast';
 import { PageTitle } from '../../layout/AppLayout';
 import type { AppRelease, BuildJob } from '../../types/application';
 import { LoadingModal, useMinimumLoading } from '../operations/operation-utils';
 import { AppSelector, formatDate, useApps } from './ApplicationControls';
-import { createRelease, listBuildJobsPage, listReleasesPage } from './application-api';
+import { createRelease, hideReleaseCandidate, listBuildJobsPage, listReleasesPage } from './application-api';
 
 function statusLabel(status: string) {
   return {
@@ -165,7 +165,9 @@ export function ReleaseManagementPage() {
   const [releaseModalOpen, setReleaseModalOpen] = useState(false);
   const [selectedBuildIds, setSelectedBuildIds] = useState<string[]>([]);
   const [selectedReleaseLogId, setSelectedReleaseLogId] = useState('');
+  const [hideTargetAppId, setHideTargetAppId] = useState('');
   const [loading, setLoading] = useState(true);
+  const [hidingCandidates, setHidingCandidates] = useState(false);
   const [page, setPage] = useState(1);
   const [range, setRange] = useState<ReleaseRange>('week');
   const [totalReleases, setTotalReleases] = useState(0);
@@ -210,7 +212,8 @@ export function ReleaseManagementPage() {
           page: 1,
           limit: 100,
           since: releaseRangeSince(range),
-          status: 'SUCCEEDED'
+          status: 'SUCCEEDED',
+          hideReleaseCandidates: true
         })
       ]);
       setReleases(nextReleases.releases);
@@ -285,6 +288,28 @@ export function ReleaseManagementPage() {
     }
   };
 
+  const hideTargetBuilds = useMemo(
+    () => candidateBuilds.filter((build) => build.component.app.id === hideTargetAppId),
+    [candidateBuilds, hideTargetAppId]
+  );
+
+  const hideTargetAppName = hideTargetBuilds[0]?.component.app.name ?? '';
+
+  const hideCandidates = async () => {
+    if (!hideTargetAppId || hidingCandidates) return;
+    setHidingCandidates(true);
+    try {
+      await Promise.all(hideTargetBuilds.map((build) => hideReleaseCandidate(build.id)));
+      toast({ type: 'success', message: '릴리즈 후보에서 숨겼습니다.' });
+      setHideTargetAppId('');
+      await refresh();
+    } catch (error) {
+      toast({ type: 'error', message: error instanceof Error ? error.message : '릴리즈 후보 숨김에 실패했습니다.' });
+    } finally {
+      setHidingCandidates(false);
+    }
+  };
+
   const selectedReleaseLog = releases.find((release) => release.id === selectedReleaseLogId) ?? null;
 
   return (
@@ -406,15 +431,24 @@ export function ReleaseManagementPage() {
               </div>
             ) : null}
             {candidateGroups.map((group) => (
-              <button
+              <div
                 key={group.appId}
-                type="button"
-                className="flex w-full items-center justify-between rounded-md border border-border bg-background px-3 py-3 text-left transition-colors hover:bg-muted/20"
-                onClick={() => openReleaseModal(group.appId)}
+                className="flex items-center justify-between gap-3 rounded-md border border-border bg-background px-3 py-3 transition-colors hover:bg-muted/20"
               >
-                <span className="text-sm font-medium">{group.appName}</span>
+                <button type="button" className="min-w-0 flex-1 text-left" onClick={() => openReleaseModal(group.appId)}>
+                  <span className="block truncate text-sm font-medium">{group.appName}</span>
+                </button>
                 <Badge tone={group.count > 0 ? 'green' : 'neutral'}>{group.count}개</Badge>
-              </button>
+                <Button
+                  variant="ghost"
+                  className="size-8 shrink-0 px-0 text-rose-300 hover:text-rose-200"
+                  title="후보 숨김"
+                  aria-label={`${group.appName} 릴리즈 후보 숨김`}
+                  onClick={() => setHideTargetAppId(group.appId)}
+                >
+                  <Trash2 className="size-4" />
+                </Button>
+              </div>
             ))}
           </div>
         </Card>
@@ -478,6 +512,31 @@ export function ReleaseManagementPage() {
           </div>
         )}
       </Modal>
+      <Modal
+        open={Boolean(hideTargetAppId)}
+        title="릴리즈 후보 숨김"
+        onClose={() => {
+          if (!hidingCandidates) setHideTargetAppId('');
+        }}
+        footer={(
+          <>
+            <Button variant="outline" disabled={hidingCandidates} onClick={() => setHideTargetAppId('')}>취소</Button>
+            <Button className="bg-rose-600 text-white hover:bg-rose-500" disabled={hidingCandidates || hideTargetBuilds.length === 0} onClick={hideCandidates}>
+              {hidingCandidates ? '숨기는 중' : '숨김'}
+            </Button>
+          </>
+        )}
+      >
+        <div className="space-y-3 text-sm">
+          <p>
+            <span className="font-semibold text-foreground">{hideTargetAppName || '-'}</span>
+            {' '}릴리즈 후보 {hideTargetBuilds.length}개를 목록에서 숨깁니다.
+          </p>
+          <p className="text-muted-foreground">
+            빌드 이력과 로그는 삭제되지 않습니다.
+          </p>
+        </div>
+      </Modal>
       <LoadingModal open={loadingVisible} />
     </>
   );
diff --git a/src/pages/applications/SourceManagementPage.tsx b/src/pages/applications/SourceManagementPage.tsx
index e27cc5e..7506d7b 100644
--- a/src/pages/applications/SourceManagementPage.tsx
+++ b/src/pages/applications/SourceManagementPage.tsx
@@ -12,7 +12,7 @@ import {
   listSources,
   type GiteaCommit
 } from './application-api';
-import { getStoredSelectedComponentId, setStoredSelectedComponentId } from '../../lib/selected-app';
+import { getStoredSelectedComponentId, selectedComponentChangedEventName, setStoredSelectedComponentId } from '../../lib/selected-app';
 
 const giteaBaseUrl = import.meta.env.VITE_GITEA_BASE_URL ?? 'http://localhost:3000';
 const giteaAppOrg = import.meta.env.VITE_GITEA_APP_ORG ?? import.meta.env.GITEA_APP_ORG ?? 'platform';
@@ -352,6 +352,25 @@ export function SourceManagementPage() {
     });
   }, [filteredSources, selectedAppId]);
 
+  useEffect(() => {
+    const storedSourceId = getStoredSelectedComponentId(selectedAppId);
+    if (!storedSourceId || storedSourceId === selectedSourceId) return;
+    if (!filteredSources.some((source) => source.id === storedSourceId)) return;
+    setSelectedSourceId(storedSourceId);
+  }, [filteredSources, selectedAppId, selectedSourceId]);
+
+  useEffect(() => {
+    const handleSelectedComponentChange = (event: Event) => {
+      const detail = (event as CustomEvent<{ appId?: string; componentId?: string }>).detail;
+      if (detail?.appId !== selectedAppId || !detail.componentId) return;
+      if (!filteredSources.some((source) => source.id === detail.componentId)) return;
+      setSelectedSourceId(detail.componentId);
+    };
+
+    window.addEventListener(selectedComponentChangedEventName, handleSelectedComponentChange);
+    return () => window.removeEventListener(selectedComponentChangedEventName, handleSelectedComponentChange);
+  }, [filteredSources, selectedAppId]);
+
   useEffect(() => {
     setCommitPage(1);
   }, [selectedSourceId, selectedBranch, commitRange]);
diff --git a/src/pages/applications/application-api.ts b/src/pages/applications/application-api.ts
index d7fed63..254db99 100644
--- a/src/pages/applications/application-api.ts
+++ b/src/pages/applications/application-api.ts
@@ -150,7 +150,7 @@ export function listBuildJobs(appKey?: string) {
   return apiRequest<BuildJob[]>(`/apps/builds${query}`);
 }
 
-export function listBuildJobsPage(options: { appKey?: string; page: number; limit: number; since?: string; status?: string }) {
+export function listBuildJobsPage(options: { appKey?: string; page: number; limit: number; since?: string; status?: string; hideReleaseCandidates?: boolean }) {
   const params = new URLSearchParams({
     page: String(options.page),
     limit: String(options.limit)
@@ -158,6 +158,7 @@ export function listBuildJobsPage(options: { appKey?: string; page: number; limi
   if (options.appKey) params.set('appKey', options.appKey);
   if (options.since) params.set('since', options.since);
   if (options.status) params.set('status', options.status);
+  if (options.hideReleaseCandidates) params.set('hideReleaseCandidates', 'true');
   return apiRequest<{ jobs: BuildJob[]; total: number; page: number; limit: number }>(`/apps/builds?${params.toString()}`);
 }
 
@@ -176,6 +177,12 @@ export function deleteBuildJob(buildJobId: string) {
   return apiRequest<{ deleted: boolean }>(`/apps/builds/${buildJobId}`, { method: 'DELETE' });
 }
 
+export function hideReleaseCandidate(buildJobId: string) {
+  return apiRequest<{ buildJob: BuildJob }>(`/apps/builds/${buildJobId}/hide-release-candidate`, {
+    method: 'PATCH'
+  });
+}
+
 export function listReleases(appKey?: string) {
   const query = appKey ? `?appKey=${encodeURIComponent(appKey)}` : '';
   return apiRequest<AppRelease[]>(`/apps/releases${query}`);
@@ -198,6 +205,12 @@ export function createRelease(input: { appId: string; version: string; branch?:
   });
 }
 
+export function deleteRelease(releaseId: string) {
+  return apiRequest<{ deleted: boolean }>(`/apps/releases/${releaseId}`, {
+    method: 'DELETE'
+  });
+}
+
 export function listDeployments(appKey?: string) {
   const query = appKey ? `?appKey=${encodeURIComponent(appKey)}` : '';
   return apiRequest<DeploymentJob[]>(`/apps/deployments${query}`);
diff --git a/src/pages/launcher/LauncherAppsPage.tsx b/src/pages/launcher/LauncherAppsPage.tsx
index 9f7a7d1..f5f901f 100644
--- a/src/pages/launcher/LauncherAppsPage.tsx
+++ b/src/pages/launcher/LauncherAppsPage.tsx
@@ -60,7 +60,9 @@ export function LauncherAppsPage() {
   const [loading, setLoading] = useState(true);
   const [workingId, setWorkingId] = useState('');
   const [syncing, setSyncing] = useState(false);
+  const [unlinking, setUnlinking] = useState(false);
   const [editingLink, setEditingLink] = useState<LauncherAppLink | null>(null);
+  const [unlinkTarget, setUnlinkTarget] = useState<LauncherAppLink | null>(null);
   const [displayForm, setDisplayForm] = useState<DisplayForm | null>(null);
   const loadingVisible = useMinimumLoading(loading);
 
@@ -107,17 +109,23 @@ export function LauncherAppsPage() {
       .finally(() => setWorkingId(''));
   };
 
-  const unlink = (link: LauncherAppLink) => {
-    setWorkingId(link.id);
-    deleteLauncherAppLink(link.id)
+  const unlink = () => {
+    if (!unlinkTarget || unlinking) return;
+    setUnlinking(true);
+    setWorkingId(unlinkTarget.id);
+    deleteLauncherAppLink(unlinkTarget.id)
       .then(() => {
         toast({ type: 'success', message: '런처 앱 연결을 해제했습니다.' });
+        setUnlinkTarget(null);
         refresh();
       })
       .catch((error: Error) => {
         toast({ type: 'error', title: '연결 해제 실패', message: error.message });
       })
-      .finally(() => setWorkingId(''));
+      .finally(() => {
+        setWorkingId('');
+        setUnlinking(false);
+      });
   };
 
   const syncAdminApps = () => {
@@ -240,7 +248,7 @@ export function LauncherAppsPage() {
                         <Button variant="outline" className="size-8 px-0" aria-label={`${link.app.name} 표시 설정`} onClick={() => openSettings(link)} disabled={workingId === `${link.id}-settings`}>
                           <MoreHorizontal className="size-4" />
                         </Button>
-                        <Button variant="outline" className="size-8 border-rose-500/40 px-0 text-rose-300 hover:bg-rose-500/10" aria-label={`${link.app.name} 연결 해제`} onClick={() => unlink(link)} disabled={workingId === link.id}>
+                        <Button variant="outline" className="size-8 border-rose-500/40 px-0 text-rose-300 hover:bg-rose-500/10" aria-label={`${link.app.name} 연결 해제`} onClick={() => setUnlinkTarget(link)} disabled={workingId === link.id}>
                           <Unlink className="size-4" />
                         </Button>
                       </div>
@@ -349,6 +357,30 @@ export function LauncherAppsPage() {
         ) : null}
       </Modal>
 
+      <Modal
+        open={Boolean(unlinkTarget)}
+        title="앱 연결 해제"
+        onClose={() => {
+          if (!unlinking) setUnlinkTarget(null);
+        }}
+        footer={
+          <>
+            <Button variant="outline" disabled={unlinking} onClick={() => setUnlinkTarget(null)}>취소</Button>
+            <Button className="bg-rose-600 text-white hover:bg-rose-500" disabled={unlinking} onClick={unlink}>
+              {unlinking ? '해제 중' : '해제'}
+            </Button>
+          </>
+        }
+      >
+        <div className="space-y-3 text-sm">
+          <p>
+            <span className="font-semibold text-foreground">{unlinkTarget?.displayName || unlinkTarget?.app.name || '-'}</span>
+            {' '}앱의 런처 연결을 해제합니다.
+          </p>
+          <p className="text-muted-foreground">연결을 해제하면 런처 홈에 표시되지 않습니다.</p>
+        </div>
+      </Modal>
+
       <LoadingModal open={loadingVisible} />
     </>
   );
diff --git a/src/pages/runtime/RuntimeConfigPage.tsx b/src/pages/runtime/RuntimeConfigPage.tsx
index 48195b2..8b35e11 100644
--- a/src/pages/runtime/RuntimeConfigPage.tsx
+++ b/src/pages/runtime/RuntimeConfigPage.tsx
@@ -4,8 +4,8 @@ import { Badge, Button, Card, Modal } from '../../components/ui';
 import { useToast } from '../../components/toast';
 import { PageTitle } from '../../layout/AppLayout';
 import { formatDateTime } from '../../lib/date-format';
-import { getStoredSelectedAppId, setStoredSelectedAppId } from '../../lib/selected-app';
-import type { ApiApp, RuntimeEnvProfile, RuntimeResource } from '../../types/runtime';
+import { getStoredSelectedAppId, getStoredSelectedComponentId, selectedComponentChangedEventName, setStoredSelectedAppId, setStoredSelectedComponentId } from '../../lib/selected-app';
+import type { ApiApp, ApiAppComponent, RuntimeEnvProfile, RuntimeEnvVariable, RuntimeIngressRule, RuntimeResource } from '../../types/runtime';
 import { LoadingModal, useMinimumLoading } from '../operations/operation-utils';
 import {
   applyRuntimeProfile,
@@ -67,6 +67,13 @@ function runtimeStatusTone(resource: RuntimeResource, stopped: boolean): 'neutra
   return 'blue';
 }
 
+function preferredComponentId(appId: string, components: ApiAppComponent[]) {
+  const storedComponentId = getStoredSelectedComponentId(appId);
+  return components.some((component) => component.id === storedComponentId)
+    ? storedComponentId
+    : components[0]?.id ?? '';
+}
+
 export function RuntimeConfigPage() {
   const { toast } = useToast();
   const [apps, setApps] = useState<ApiApp[]>([]);
@@ -79,6 +86,8 @@ export function RuntimeConfigPage() {
   const [actionKey, setActionKey] = useState('');
   const [error, setError] = useState('');
   const [profileModalOpen, setProfileModalOpen] = useState(false);
+  const [deleteVariableTarget, setDeleteVariableTarget] = useState<RuntimeEnvVariable | null>(null);
+  const [deleteIngressTarget, setDeleteIngressTarget] = useState<RuntimeIngressRule | null>(null);
   const loadingVisible = useMinimumLoading(loading);
 
   const [profileName, setProfileName] = useState('');
@@ -156,11 +165,13 @@ export function RuntimeConfigPage() {
         const storedAppId = getStoredSelectedAppId();
         const nextAppId = nextApps.some((app) => app.id === storedAppId) ? storedAppId : nextApps[0]?.id ?? '';
         const nextApp = nextApps.find((app) => app.id === nextAppId);
+        const nextComponentId = preferredComponentId(nextAppId, nextApp?.components ?? []);
         setApps(nextApps);
         setAppId(nextAppId);
         setProfileNamespace(nextApp?.namespace ?? '');
-        setVariableComponentId(nextApp?.components?.[0]?.id ?? '');
-        setIngressComponentId(nextApp?.components?.[0]?.id ?? '');
+        setVariableComponentId(nextComponentId);
+        setIngressComponentId(nextComponentId);
+        if (nextComponentId) setStoredSelectedComponentId(nextAppId, nextComponentId);
         setIngressPort('');
         return nextAppId ? loadRuntimeProfiles(nextAppId) : Promise.resolve([]);
       })
@@ -171,15 +182,38 @@ export function RuntimeConfigPage() {
 
   const changeApp = (nextAppId: string) => {
     const nextApp = apps.find((app) => app.id === nextAppId);
+    const nextComponentId = preferredComponentId(nextAppId, nextApp?.components ?? []);
     setStoredSelectedAppId(nextAppId);
     setAppId(nextAppId);
     setProfileNamespace(nextApp?.namespace ?? '');
-    setVariableComponentId(nextApp?.components?.[0]?.id ?? '');
-    setIngressComponentId(nextApp?.components?.[0]?.id ?? '');
+    setVariableComponentId(nextComponentId);
+    setIngressComponentId(nextComponentId);
+    if (nextComponentId) setStoredSelectedComponentId(nextAppId, nextComponentId);
     setIngressPort('');
     refreshProfiles(nextAppId).catch((loadError: Error) => setError(loadError.message));
   };
 
+  useEffect(() => {
+    const storedComponentId = preferredComponentId(appId, components);
+    if (!storedComponentId) return;
+    if (variableComponentId !== storedComponentId) setVariableComponentId(storedComponentId);
+    if (ingressComponentId !== storedComponentId) setIngressComponentId(storedComponentId);
+  }, [appId, components, ingressComponentId, variableComponentId]);
+
+  useEffect(() => {
+    const handleSelectedComponentChange = (event: Event) => {
+      const detail = (event as CustomEvent<{ appId?: string; componentId?: string }>).detail;
+      if (detail?.appId !== appId || !detail.componentId) return;
+      if (!components.some((component) => component.id === detail.componentId)) return;
+      setVariableComponentId(detail.componentId);
+      setIngressComponentId(detail.componentId);
+      setIngressPort('');
+    };
+
+    window.addEventListener(selectedComponentChangedEventName, handleSelectedComponentChange);
+    return () => window.removeEventListener(selectedComponentChangedEventName, handleSelectedComponentChange);
+  }, [appId, components]);
+
   const addProfile = () => {
     if (!appId || !profileName.trim() || !profileNamespace.trim()) return;
     if (duplicateProfile) {
@@ -493,7 +527,7 @@ export function RuntimeConfigPage() {
                       <td className="break-all px-4 py-3 font-mono text-xs font-medium text-foreground">{variable.key}</td>
                       <td className="break-all px-4 py-3 font-mono text-xs text-muted-foreground">{variable.isSecret ? '********' : variable.value}</td>
                       <td className="px-3 py-3 text-right">
-                        <Button variant="ghost" className="h-8 w-8 p-0 text-rose-300 hover:text-rose-200" title="삭제" aria-label={`${variable.key} 삭제`} onClick={() => removeVariable(variable.id)} disabled={Boolean(actionKey)}>
+                        <Button variant="ghost" className="h-8 w-8 p-0 text-rose-300 hover:text-rose-200" title="삭제" aria-label={`${variable.key} 삭제`} onClick={() => setDeleteVariableTarget(variable)} disabled={Boolean(actionKey)}>
                           <Trash2 className="size-4" />
                         </Button>
                       </td>
@@ -514,7 +548,15 @@ export function RuntimeConfigPage() {
               </label>
               <label className="block">
                 <span className="text-xs font-medium text-muted-foreground">구성요소</span>
-                <select className="mt-2 h-9 w-full rounded-md border border-input bg-background px-3 text-sm text-foreground outline-none focus:ring-2 focus:ring-ring" value={variableComponentId} onChange={(event) => setVariableComponentId(event.target.value)}>
+                <select
+                  className="mt-2 h-9 w-full rounded-md border border-input bg-background px-3 text-sm text-foreground outline-none focus:ring-2 focus:ring-ring"
+                  value={variableComponentId}
+                  onChange={(event) => {
+                    const nextId = event.target.value;
+                    setVariableComponentId(nextId);
+                    setStoredSelectedComponentId(appId, nextId);
+                  }}
+                >
                   {components.map((component) => <option key={component.id} value={component.id}>{component.name}</option>)}
                   {components.length === 0 ? <option value="">구성요소 없음</option> : null}
                 </select>
@@ -593,7 +635,7 @@ export function RuntimeConfigPage() {
                       <td className="px-4 py-3 text-muted-foreground">{rule.servicePort}</td>
                       <td className="px-4 py-3 text-muted-foreground">{rule.stripPrefix ? '제거' : '유지'}</td>
                       <td className="px-3 py-3 text-right">
-                        <Button variant="ghost" className="h-8 w-8 p-0 text-rose-300 hover:text-rose-200" title="삭제" aria-label={`${rule.host} 삭제`} onClick={() => removeIngressRule(rule.id)} disabled={Boolean(actionKey)}>
+                        <Button variant="ghost" className="h-8 w-8 p-0 text-rose-300 hover:text-rose-200" title="삭제" aria-label={`${rule.host} 삭제`} onClick={() => setDeleteIngressTarget(rule)} disabled={Boolean(actionKey)}>
                           <Trash2 className="size-4" />
                         </Button>
                       </td>
@@ -616,6 +658,7 @@ export function RuntimeConfigPage() {
                   onChange={(event) => {
                     const nextId = event.target.value;
                     setIngressComponentId(nextId);
+                    setStoredSelectedComponentId(appId, nextId);
                     setIngressPort('');
                   }}
                 >
@@ -698,6 +741,70 @@ export function RuntimeConfigPage() {
           ) : null}
         </div>
       </Modal>
+      <Modal
+        open={Boolean(deleteVariableTarget)}
+        title="설정값 삭제"
+        onClose={() => {
+          if (!actionKey) setDeleteVariableTarget(null);
+        }}
+        footer={(
+          <>
+            <Button variant="outline" disabled={Boolean(actionKey)} onClick={() => setDeleteVariableTarget(null)}>취소</Button>
+            <Button
+              className="bg-rose-600 text-white hover:bg-rose-500"
+              disabled={Boolean(actionKey)}
+              onClick={() => {
+                if (!deleteVariableTarget) return;
+                removeVariable(deleteVariableTarget.id);
+                setDeleteVariableTarget(null);
+              }}
+            >
+              삭제
+            </Button>
+          </>
+        )}
+      >
+        <div className="space-y-3 text-sm">
+          <p>
+            <span className="font-semibold text-foreground">{deleteVariableTarget?.key ?? '-'}</span>
+            {' '}설정값을 삭제합니다.
+          </p>
+          <p className="text-muted-foreground">삭제 후 클러스터 설정에 바로 반영됩니다.</p>
+        </div>
+      </Modal>
+      <Modal
+        open={Boolean(deleteIngressTarget)}
+        title="접속 설정 삭제"
+        onClose={() => {
+          if (!actionKey) setDeleteIngressTarget(null);
+        }}
+        footer={(
+          <>
+            <Button variant="outline" disabled={Boolean(actionKey)} onClick={() => setDeleteIngressTarget(null)}>취소</Button>
+            <Button
+              className="bg-rose-600 text-white hover:bg-rose-500"
+              disabled={Boolean(actionKey)}
+              onClick={() => {
+                if (!deleteIngressTarget) return;
+                removeIngressRule(deleteIngressTarget.id);
+                setDeleteIngressTarget(null);
+              }}
+            >
+              삭제
+            </Button>
+          </>
+        )}
+      >
+        <div className="space-y-3 text-sm">
+          <p>
+            <span className="font-semibold text-foreground">{deleteIngressTarget?.host ?? '-'}</span>
+            {' '}
+            <span className="font-semibold text-foreground">{deleteIngressTarget?.path ?? ''}</span>
+            {' '}접속 설정을 삭제합니다.
+          </p>
+          <p className="text-muted-foreground">삭제 후 클러스터 설정에 바로 반영됩니다.</p>
+        </div>
+      </Modal>
       <LoadingModal open={loadingVisible} />
     </>
   );