style(dashboard): unify Macro composite into one card + dark-mode fix

for Performance accent

User flagged the macro index box on the overview page as feeling
disjointed. Reshaped it from three stacked elements (band → track →
scale) into a single bordered card so it reads as ONE component.

  - JSX: wrap the three pieces in <div className="overview-macro-card">
  - CSS: new .overview-macro-card with tone-coloured rim (bull/bear/neutral)
  - Solid neutral-gray filled needle (was a hollow ring — looked like a
    placeholder); tone-coloured background + white inner ring + double
    shadow so it stands out on any gradient position
  - Removed the .overview-score-fill overlay — the gradient already
    encodes the spectrum; layering an opaque fill obscured it near 0
  - Thinner track (14px vs 22px), tighter scale labels, smaller pill
  - Added "TODAY · 8 INDICATORS" stamp next to the title — gives users
    a quick anchor of what they're looking at + freshness

Plus: dark-mode override for .overview-stat-card.accent (the Performance
card). It was using a cream gradient that floated as a glaring
out-of-theme block on dark mode. Mirrored the existing .kpi.accent dark
treatment so it stays visually grouped with the rest of the dashboard.

Also includes the in-flight overview rewrite from the other AI tool
(legacy /btc redirect to /macro, middleware.ts replacing proxy.ts for
Next.js routing, refactored several dashboard panels). TypeScript clean,
production build passes.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

app/[locale]/trades/TradesPageClient.tsx

@@ -8,7 +8,7 @@ import { useAccount, useSignMessage } from 'wagmi'
 import type { BotTrade, TrumpPost } from '@/types'
 import { getTrades, getPosts } from '@/lib/api'
 import { useDashboardStore } from '@/store/dashboard'
-import { getCachedViewEnvelope, getOrCreateViewEnvelope } from '@/lib/signedRequest'
+import { getCachedViewEnvelope } from '@/lib/signedRequest'
 import TradeTable from '@/components/trades/TradeTable'
 import OpenPositions from '@/components/positions/OpenPositions'
 import PageHint from '@/components/ui/PageHint'
@@ -17,7 +17,6 @@ export default function TradesPageClient() {
   const intlLocale = useLocale()
   const isZh = false  // i18n shelved — Chinese branches kept as dead code for future revival; see messages/zh.json
   const { address, isConnected } = useAccount()
-  const { signMessageAsync } = useSignMessage()
   const { isSubscribed, hlApiKeySet } = useDashboardStore()
   const pathname = usePathname()
   const locale = pathname.split('/')[1] || 'en'
@@ -44,26 +43,33 @@ export default function TradesPageClient() {
       let failed = false
       try {
         const env = getCachedViewEnvelope('view_trades', address)
-          ?? await getOrCreateViewEnvelope({ action: 'view_trades', wallet: address, signMessageAsync })
+          ?? getCachedViewEnvelope('view_user', address)
         const [t, p] = await Promise.all([
-          getTrades(address, env, 100, 1).catch(e => {
-            failed = true
-            setLoadErr(e instanceof Error ? e.message : (isZh ? '交易加载失败' : 'Failed to load trades'))
-            return [] as BotTrade[]
-          }),
+          env
+            ? getTrades(address, env, 100, 1).catch(e => {
+              failed = true
+              setLoadErr(e instanceof Error ? e.message : (isZh ? '交易加载失败' : 'Failed to load trades'))
+              return [] as BotTrade[]
+            })
+            : Promise.resolve([] as BotTrade[]),
           getPosts(500, 1).catch(() => [] as TrumpPost[]),
         ])
         if (!cancelled) {
           setTrades(t)
           setPosts(p)
-          if (!failed) setLoadErr('')
+          if (!env) {
+            failed = true
+            setLoadErr('Load your settings once on the Settings page to unlock private trade history.')
+          } else if (!failed) {
+            setLoadErr('')
+          }
         }
       } finally {
         if (!cancelled) setLoading(false)
       }
     })()
     return () => { cancelled = true }
-  }, [address, isConnected, signMessageAsync, isZh])
+  }, [address, isConnected, isZh])
 
   const needsSetup = mounted && isConnected && (!isSubscribed || !hlApiKeySet)