feat(poller): skip finished series, keep polling archived ones

backend/store.go

@@ -327,10 +327,15 @@ func (s *Store) Delete(key string) error {
 //
 // Bookmarks with no series_url are skipped — there is nothing to fetch, which
 // is the same filter the userscript applies at L452.
+//
+// Finished series are excluded: nothing more is coming, so fetching them only
+// burns requests. Archived ones are deliberately still polled — knowing what a
+// shelved series is up to is the whole reason for archiving instead of deleting.
 func (s *Store) DueForLatestCheck(cutoffMs int64, limit int) ([]Bookmark, error) {
 	rows, err := s.db.Query(`SELECT `+bookmarkColumns+`
 		FROM bookmarks
 		WHERE series_url IS NOT NULL AND series_url <> ''
+		  AND status IS NOT 'finished'
 		  AND latest_checked_at <= ?
 		ORDER BY latest_checked_at ASC
 		LIMIT ?`, cutoffMs, limit)

backend/store_test.go

@@ -838,3 +838,37 @@ func TestMigrationAddsStatusToLegacyDatabase(t *testing.T) {
 		t.Fatalf("Status = %q, want %q", b.Status, statusReading)
 	}
 }
+
+// Archiving is the reason to keep polling — the point is to come back to a
+// series that has moved on. A finished series has nothing left to publish.
+func TestDueForLatestCheckSkipsFinishedKeepsArchived(t *testing.T) {
+	store := newTestStore(t)
+	for _, tc := range []struct{ key, status string }{
+		{"asura:reading", statusReading},
+		{"asura:archived", statusArchived},
+		{"asura:finished", statusFinished},
+	} {
+		if _, err := store.Upsert(Bookmark{
+			Key: tc.key, Site: "asura", SeriesID: tc.key,
+			SeriesURL: "https://asurascans.com/comics/" + tc.key,
+			Status:    tc.status, UpdatedAt: time.Now().UnixMilli(),
+		}); err != nil {
+			t.Fatalf("seed %s: %v", tc.key, err)
+		}
+	}
+
+	due, err := store.DueForLatestCheck(time.Now().UnixMilli(), 10)
+	if err != nil {
+		t.Fatalf("DueForLatestCheck: %v", err)
+	}
+	got := map[string]bool{}
+	for _, b := range due {
+		got[b.Key] = true
+	}
+	if !got["asura:reading"] || !got["asura:archived"] {
+		t.Fatalf("due = %v, want reading and archived present", got)
+	}
+	if got["asura:finished"] {
+		t.Fatal("due included a finished series")
+	}
+}