Switch dashboard/map/history views to archive source for long-term data

Update fail2ban dbpurgeage to 648000 and history sync backfill/pagination for archive-based 7.5 day history.

frontend/src/pages/DashboardPage.tsx

@@ -7,7 +7,7 @@
  */
 
 import { useState } from "react";
-import { Text, makeStyles, tokens } from "@fluentui/react-components";
+import { Badge, Text, makeStyles, tokens } from "@fluentui/react-components";
 import { BanTable } from "../components/BanTable";
 import { BanTrendChart } from "../components/BanTrendChart";
 import { ChartStateWrapper } from "../components/ChartStateWrapper";
@@ -71,8 +71,10 @@ export function DashboardPage(): React.JSX.Element {
   const [timeRange, setTimeRange] = useState<TimeRange>("24h");
   const [originFilter, setOriginFilter] = useState<BanOriginFilter>("all");
 
+  const source = timeRange === "24h" ? "fail2ban" : "archive";
+
   const { countries, countryNames, isLoading: countryLoading, error: countryError, reload: reloadCountry } =
-    useDashboardCountryData(timeRange, originFilter);
+    useDashboardCountryData(timeRange, originFilter, source);
 
   const sectionStyles = useCommonSectionStyles();
 
@@ -86,12 +88,17 @@ export function DashboardPage(): React.JSX.Element {
       {/* ------------------------------------------------------------------ */}
       {/* Global filter bar                                                  */}
       {/* ------------------------------------------------------------------ */}
-      <DashboardFilterBar
-        timeRange={timeRange}
-        onTimeRangeChange={setTimeRange}
-        originFilter={originFilter}
-        onOriginFilterChange={setOriginFilter}
-      />
+      <div style={{ display: "flex", alignItems: "center", gap: tokens.spacingHorizontalM, flexWrap: "wrap" }}>
+        <DashboardFilterBar
+          timeRange={timeRange}
+          onTimeRangeChange={setTimeRange}
+          originFilter={originFilter}
+          onOriginFilterChange={setOriginFilter}
+        />
+        <Badge appearance="filled" color={source === "archive" ? "brand" : "success"}>
+          {source === "archive" ? "Archive (BanGUI DB)" : "Live (fail2ban DB)"}
+        </Badge>
+      </div>
 
       {/* ------------------------------------------------------------------ */}
       {/* Ban Trend section                                                   */}
@@ -103,7 +110,7 @@ export function DashboardPage(): React.JSX.Element {
           </Text>
         </div>
         <div className={styles.tabContent}>
-          <BanTrendChart timeRange={timeRange} origin={originFilter} />
+          <BanTrendChart timeRange={timeRange} origin={originFilter} source={source} />
         </div>
       </div>
 
@@ -154,7 +161,7 @@ export function DashboardPage(): React.JSX.Element {
 
         {/* Ban table */}
         <div className={styles.tabContent}>
-          <BanTable timeRange={timeRange} origin={originFilter} />
+          <BanTable timeRange={timeRange} origin={originFilter} source={source} />
         </div>
       </div>
     </div>