feat: quarter board theme, hub column, and team panel UX

Apply preview-style 4-dept layout with center hub, PM/assignee team status linking, task type label updates, and remove task keywords.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/lib/hubConfig.ts

@@ -0,0 +1,90 @@
+import { useCallback, useEffect, useState } from 'react';
+import { migrateScheduleItem, quarterDateBounds } from './hubSchedule';
+
+const STORAGE_KEY = 'eene-quarter-hub-config-v1';
+
+export interface HubScheduleItem {
+  id: string;
+  /** YYYY-MM-DD */
+  date: string;
+  text: string;
+}
+
+export interface HubConfig {
+  sloganTitle: string;
+  sloganLines: string[];
+  scheduleTitle: string;
+  scheduleItems: HubScheduleItem[];
+  routineLabels: string[];
+}
+
+export const DEFAULT_HUB_CONFIG: HubConfig = {
+  sloganTitle: '분기 슬로건',
+  sloganLines: ['인사 · 육성 · 문화 · 총무', '개선과제', '정상 추진'],
+  scheduleTitle: '분기 주요 일정',
+  scheduleItems: [
+    { id: '1', date: '2026-04-01', text: '상반기 채용·온보딩' },
+    { id: '2', date: '2026-05-15', text: '조직문화 진단·리더십 교육' },
+    { id: '3', date: '2026-06-20', text: '분기 성과 점검·평가' },
+  ],
+  routineLabels: ['채용', '교육', '소통', '시설', '자산', '행정'],
+};
+
+function migrateConfig(raw: Record<string, unknown>): HubConfig {
+  const { year } = quarterDateBounds('2026-Q2');
+  const scheduleItems = Array.isArray(raw.scheduleItems)
+    ? (raw.scheduleItems as (HubScheduleItem & { month?: string })[]).map((item) =>
+        migrateScheduleItem(item, year),
+      )
+    : DEFAULT_HUB_CONFIG.scheduleItems;
+
+  return {
+    sloganTitle: (raw.sloganTitle as string) ?? DEFAULT_HUB_CONFIG.sloganTitle,
+    sloganLines: (raw.sloganLines as string[]) ?? DEFAULT_HUB_CONFIG.sloganLines,
+    scheduleTitle: (raw.scheduleTitle as string) ?? DEFAULT_HUB_CONFIG.scheduleTitle,
+    scheduleItems,
+    routineLabels: (raw.routineLabels as string[]) ?? DEFAULT_HUB_CONFIG.routineLabels,
+  };
+}
+
+function loadConfig(): HubConfig {
+  if (typeof window === 'undefined') return DEFAULT_HUB_CONFIG;
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY);
+    if (!raw) return DEFAULT_HUB_CONFIG;
+    return migrateConfig({ ...DEFAULT_HUB_CONFIG, ...JSON.parse(raw) });
+  } catch {
+    return DEFAULT_HUB_CONFIG;
+  }
+}
+
+function saveConfig(config: HubConfig) {
+  localStorage.setItem(STORAGE_KEY, JSON.stringify(config));
+}
+
+export function useHubConfig() {
+  const [config, setConfigState] = useState<HubConfig>(loadConfig);
+
+  const setConfig = useCallback((patch: Partial<HubConfig> | ((prev: HubConfig) => HubConfig)) => {
+    setConfigState((prev) => {
+      const next = typeof patch === 'function' ? patch(prev) : { ...prev, ...patch };
+      saveConfig(next);
+      return next;
+    });
+  }, []);
+
+  const resetConfig = useCallback(() => {
+    localStorage.removeItem(STORAGE_KEY);
+    setConfigState(DEFAULT_HUB_CONFIG);
+  }, []);
+
+  useEffect(() => {
+    const onStorage = (e: StorageEvent) => {
+      if (e.key === STORAGE_KEY) setConfigState(loadConfig());
+    };
+    window.addEventListener('storage', onStorage);
+    return () => window.removeEventListener('storage', onStorage);
+  }, []);
+
+  return { config, setConfig, resetConfig };
+}