refactor: replace hardcoded hex colors with design tokens across priority components

- Add DS_COLORS.heat, DS_COLORS.futureCard, INQUIRY_STATUS_META tokens to ds.ts
- Eliminate 4 duplicate RESULT_TYPE_META / TYPE_META constants (now all use ds.ts)
- Eliminate 3 duplicate scoreColor / SCORE_COLOR functions (now all use matchScoreHex)
- HeatBadge: use DS_COLORS.heat.VERY_HOT / HOT tokens
- FutureAvailabilityCard: use DS_COLORS.futureCard.controlled / signal tokens
- IntelligenceMatchCard: import RESULT_TYPE_META from ds.ts, remove primary override
- MatchScoreDisplay: replace local scoreColor() with matchScoreHex()
- CompareColumnHeader: remove local TYPE_META + SCORE_COLOR, use ds.ts + utils.ts
- CompareTableBody: import RESULT_TYPE_META + matchScoreHex, fix #7c3aed → token
- compareUtils: remove TYPE_META + SCORE_COLOR, use dataQualityHex in scoreBar
- Anfragen + AnfragenInquiryItem: deduplicate STATUS_CONFIG → INQUIRY_STATUS_META
- Anfragen: #1e3a5f → 'primary.main', KI alert → futureCard.controlled tokens
- AnfragenMessageBubble: own-message bubble → 'primary.main', AI bubble → tokens
- ScoreBreakdownPanel: #1e3a5f → 'primary.main', #6d28d9 → futureCard.controlled
- ESLint: add warn rule against new hex colors in component sx props

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/lib/ds.ts

@@ -42,8 +42,40 @@ export const DS_COLORS = {
     LOW:        { bg: 'rgba(192,57,43,0.10)',  fg: '#c0392b' },
     INCOMPLETE: { bg: 'rgba(127,0,0,0.12)',    fg: '#7f1d1d' },
   },
+  heat: {
+    VERY_HOT: { bg: '#fef3c7', border: '#fcd34d', icon: '#d97706', text: '#92400e' },
+    HOT:      { bg: '#fff7ed', border: '#fed7aa', icon: '#ea580c', text: '#c2410c' },
+  },
+  futureCard: {
+    controlled: {
+      accent:      '#7c3aed',
+      accentHover: '#6d28d9',
+      headerBg:    '#faf5ff',
+      border:      '#e9d5ff',
+      badgeBg:     '#ede9fe',
+      badgeText:   '#5b21b6',
+    },
+    signal: {
+      accent:      '#1d4ed8',
+      accentHover: '#1e40af',
+      headerBg:    '#eff6ff',
+      border:      '#bfdbfe',
+      badgeBg:     '#dbeafe',
+      badgeText:   '#1e40af',
+      indicator:   '#1d4ed8',
+    },
+  },
 } as const
 
+// ── Inquiry status metadata ───────────────────────────────────────────────────
+
+export const INQUIRY_STATUS_META: Record<string, { label: string; fg: string; bg: string }> = {
+  new:         { label: 'Neu',          fg: '#dc2626', bg: '#fef2f2' },
+  in_progress: { label: 'Aktiv',        fg: '#d97706', bg: '#fffbeb' },
+  answered:    { label: 'Beantwortet',  fg: '#1a7a4a', bg: '#f0fdf4' },
+  archived:    { label: 'Archiviert',   fg: '#64748b', bg: '#f8fafc' },
+}
+
 // ── Score → qualitative level helpers ────────────────────────────────────────
 
 export function scoreToConfidenceLevel(score: number): ConfidenceLevel {