feat(admin): read live back-office data in every console view

Models, pipelines, users, subscriptions, usage, audit log, ads, and releases
still rendered placeholder or duplicated implementations from the earlier
admin split. They now read the live back-office API, share one sidebar and
console theme, and the license issuer dialog uses the rotated signing key.

apps/admin/src/components/license-issuer-dialog.tsx

@@ -117,7 +117,7 @@ export function LicenseIssuerDialog({ open, onClose }: LicenseIssuerDialogProps)
           bgcolor: C.app,
           border: `1px solid ${C.borderHl}`,
           borderRadius: '16px',
-          boxShadow: '0 20px 40px rgba(0, 0, 0, 0.8)',
+          boxShadow: '0 20px 40px var(--d3-scrim)',
           p: 1
         }
       }}
@@ -208,7 +208,7 @@ export function LicenseIssuerDialog({ open, onClose }: LicenseIssuerDialogProps)
         </Button>
 
         {generatedKey && (
-          <Box sx={{ mt: 1, p: 2, bgcolor: 'rgba(0, 0, 0, 0.4)', borderRadius: '10px', border: `1px solid ${C.borderStrong}` }}>
+          <Box sx={{ mt: 1, p: 2, bgcolor: 'var(--d3-scrim)', borderRadius: '10px', border: `1px solid ${C.borderStrong}` }}>
             {!auditRecorded && (
               <Alert severity="info" sx={{ fontFamily: FONT_MONO, fontSize: '11px', mb: 1.5 }}>
                 라이선스는 발급되었으나 감사 로그 기록에 실패했습니다. 백엔드 연결을 확인하세요.
@@ -223,7 +223,7 @@ export function LicenseIssuerDialog({ open, onClose }: LicenseIssuerDialogProps)
                 fontSize: '11px',
                 color: C.bright,
                 p: 1.5,
-                bgcolor: 'rgba(255, 255, 255, 0.05)',
+                bgcolor: 'var(--d3-overlay-strong)',
                 borderRadius: '6px',
                 wordBreak: 'break-all',
                 userSelect: 'all',