Analyse: Farbfeld der Einstellungen zeigt die tatsächliche Banner-Farbe

Das Farbfeld nutzt bannerColor() wie die Website: eine für weiße Schrift
zu helle Akzentfarbe wird zu #111111 statt der gespeicherten Farbe.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

public/analyse-cards.js

@@ -19,10 +19,9 @@
    Fehler     section.an-card.an-error[role=alert] > p + button.an-btn#an-retry */
 
 import { esc } from './fn-util.js'
-import { fmtNum, fmtDuration, periodLabel, shortDay, dayLabel, compareFrom, delta, contactRate, refName, summarize, chartModel, barRows, countryName, flagEmoji, DEVICE_LABELS } from './analyse-view.js'
+import { fmtNum, fmtDuration, periodLabel, shortDay, dayLabel, compareFrom, delta, contactRate, refName, summarize, chartModel, barRows, countryName, flagEmoji, DEVICE_LABELS, bannerColor } from './analyse-view.js'
 
 const RANGES = [7, 30, 90]
-const HEX_RE = /^#[0-9a-f]{6}$/i
 const isNum = (v) => typeof v === 'number' && Number.isFinite(v)
 const num = (v) => (Number.isFinite(Number(v)) ? Number(v) : 0)
 const round = (n) => Math.round(n * 10) / 10
@@ -250,7 +249,7 @@ const hrefOk = (url) => typeof url === 'string' && /^(\/(?!\/)|https?:\/\/)/i.te
 
 export function settingsHtml(project) {
   const a = project?.analyse || {}
-  const color = HEX_RE.test(a.accentColor || '') ? a.accentColor.toLowerCase() : '#111111'
+  const color = bannerColor(a.accentColor) // wie auf der Website: zu helle Farbe => #111111
   const since = a.activatedAt ? new Date(a.activatedAt) : null
   const status = `Analyse aktiv${since && !Number.isNaN(since.getTime()) ? ` seit ${BERLIN_DATE.format(since)}` : ''}`
   const rows = [