feat(stats): add episodes completed and anime completed to tracking snapshot

- Query watched videos count and anime with all episodes watched
- Display in overview tracking snapshot
- Remove efficiency section from trends

src/core/services/immersion-tracker/query.ts

@@ -124,6 +124,8 @@ export function getQueryHints(db: DatabaseSync): {
   activeSessions: number;
   episodesToday: number;
   activeAnimeCount: number;
+  totalEpisodesWatched: number;
+  totalAnimeCompleted: number;
 } {
   const sessions = db.prepare('SELECT COUNT(*) AS total FROM imm_sessions');
   const active = db.prepare('SELECT COUNT(*) AS total FROM imm_sessions WHERE ended_at_ms IS NULL');
@@ -147,7 +149,23 @@ export function getQueryHints(db: DatabaseSync): {
     AND s.started_at_ms >= ?
   `).get(thirtyDaysAgoMs) as { count: number })?.count ?? 0;
 
-  return { totalSessions, activeSessions, episodesToday, activeAnimeCount };
+  const totalEpisodesWatched = (db.prepare(`
+    SELECT COUNT(*) AS count FROM imm_videos WHERE watched = 1
+  `).get() as { count: number })?.count ?? 0;
+
+  const totalAnimeCompleted = (db.prepare(`
+    SELECT COUNT(*) AS count FROM (
+      SELECT a.anime_id
+      FROM imm_anime a
+      JOIN imm_videos v ON v.anime_id = a.anime_id
+      JOIN imm_media_art m ON m.video_id = v.video_id
+      WHERE m.episodes_total IS NOT NULL AND m.episodes_total > 0
+      GROUP BY a.anime_id
+      HAVING COUNT(DISTINCT CASE WHEN v.watched = 1 THEN v.video_id END) >= MAX(m.episodes_total)
+    )
+  `).get() as { count: number })?.count ?? 0;
+
+  return { totalSessions, activeSessions, episodesToday, activeAnimeCount, totalEpisodesWatched, totalAnimeCompleted };
 }
 
 export function getDailyRollups(db: DatabaseSync, limit = 60): ImmersionSessionRollupRow[] {

stats/src/components/overview/OverviewTab.tsx

@@ -40,7 +40,7 @@ export function OverviewTab() {
             No tracked card-add events in the current immersion DB yet. New cards mined after this fix will show here.
           </div>
         )}
-        <div className="grid grid-cols-2 sm:grid-cols-5 gap-3 text-sm">
+        <div className="grid grid-cols-2 sm:grid-cols-4 lg:grid-cols-7 gap-3 text-sm">
           <div className="rounded-lg bg-ctp-surface1/60 p-3">
             <div className="text-xs uppercase tracking-wide text-ctp-overlay2">Total Sessions</div>
             <div className="mt-1 text-xl font-semibold text-ctp-lavender">
@@ -71,6 +71,18 @@ export function OverviewTab() {
               {formatNumber(summary.totalTrackedCards)}
             </div>
           </div>
+          <div className="rounded-lg bg-ctp-surface1/60 p-3">
+            <div className="text-xs uppercase tracking-wide text-ctp-overlay2">Episodes Completed</div>
+            <div className="mt-1 text-xl font-semibold text-ctp-blue">
+              {formatNumber(summary.totalEpisodesWatched)}
+            </div>
+          </div>
+          <div className="rounded-lg bg-ctp-surface1/60 p-3">
+            <div className="text-xs uppercase tracking-wide text-ctp-overlay2">Anime Completed</div>
+            <div className="mt-1 text-xl font-semibold text-ctp-sapphire">
+              {formatNumber(summary.totalAnimeCompleted)}
+            </div>
+          </div>
         </div>
       </div>
 

stats/src/components/trends/TrendsTab.tsx

@@ -141,9 +141,6 @@ export function TrendsTab() {
           type="line"
         />
 
-        <SectionHeader>Efficiency</SectionHeader>
-        <TrendChart title="Cards per Hour" data={dashboard.cardsPerHour} color="#f5a97f" type="line" />
-
         <SectionHeader>Anime</SectionHeader>
         <StackedTrendChart title="Anime Progress (episodes)" data={animeProgress} />
         <StackedTrendChart title="Watch Time per Anime (min)" data={watchTimePerAnime} />

stats/src/lib/dashboard-data.test.ts

@@ -49,7 +49,7 @@ test('buildOverviewSummary aggregates tracked totals and recent windows', () =>
   const overview: OverviewData = {
     sessions,
     rollups,
-    hints: { totalSessions: 1, activeSessions: 0, episodesToday: 2, activeAnimeCount: 3 },
+    hints: { totalSessions: 1, activeSessions: 0, episodesToday: 2, activeAnimeCount: 3, totalEpisodesWatched: 5, totalAnimeCompleted: 1 },
   };
 
   const summary = buildOverviewSummary(overview, now);

stats/src/lib/dashboard-data.ts

@@ -14,6 +14,8 @@ export interface OverviewSummary {
   totalTrackedCards: number;
   episodesToday: number;
   activeAnimeCount: number;
+  totalEpisodesWatched: number;
+  totalAnimeCompleted: number;
   averageSessionMinutes: number;
   totalSessions: number;
   activeDays: number;
@@ -146,6 +148,8 @@ export function buildOverviewSummary(
     totalTrackedCards: Math.max(sessionCards, rollupCards),
     episodesToday: overview.hints.episodesToday ?? 0,
     activeAnimeCount: overview.hints.activeAnimeCount ?? 0,
+    totalEpisodesWatched: overview.hints.totalEpisodesWatched ?? 0,
+    totalAnimeCompleted: overview.hints.totalAnimeCompleted ?? 0,
     averageSessionMinutes:
       overview.sessions.length > 0
         ? Math.round(sumBy(overview.sessions, (session) => session.activeWatchedMs) / overview.sessions.length / 60_000)

stats/src/types/stats.ts

@@ -91,6 +91,8 @@ export interface OverviewData {
     activeSessions: number;
     episodesToday: number;
     activeAnimeCount: number;
+    totalEpisodesWatched: number;
+    totalAnimeCompleted: number;
   };
 }