Show the recent strip only where it is not a duplicate

The strip is the head of the same updated_at DESC reading list the All tab
renders, and app.html put it on every tab: on a small library it repeated the
list immediately below it while eating ~230px of the first phone screen, and on
Archived and Finished it showed reading series above the opposite bucket.

buildListView now fills Recent only for tab=all with more reading series than
the strip holds. Because the strip lives outside the htmx-swapped #list, an
in-page tab switch cannot re-render it, so applyFilter also decides its
visibility from the active tab; setActiveTab pokes it after a swap.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

backend/static/filter.js

@@ -14,11 +14,14 @@
       if (!card.hidden) visible++;
     });
 
-    // The strip is never filtered, so leaving it up during a search puts
-    // non-matching covers above an empty list and the screen contradicts
-    // itself.
+    // The strip is All-only and never filtered. It lives outside #list, so an
+    // htmx tab switch does not re-render it and this is what takes it down;
+    // leaving it up during a search would also put non-matching covers above
+    // an empty list.
     var recent = document.querySelector(".recent");
-    if (recent) recent.hidden = needle !== "";
+    if (recent) {
+      recent.hidden = needle !== "" || !document.querySelector('.tabs a.active[href="/?tab=all"]');
+    }
 
     // An empty bucket already explains itself server-side; this only speaks
     // when the filter is what emptied the screen.
@@ -43,6 +46,7 @@
 
   // htmx replaces the list on a tab switch, so re-apply to the new cards.
   document.body.addEventListener("htmx:afterSwap", applyFilter);
+  document.addEventListener("mangabm:refilter", applyFilter);
 })();
 
 function setActiveTab(el) {
@@ -52,6 +56,9 @@ function setActiveTab(el) {
     if (on) t.setAttribute("aria-current", "page");
     else t.removeAttribute("aria-current");
   });
+  // The strip is outside the swapped region, so its visibility is re-decided
+  // here rather than by the server that just answered.
+  document.dispatchEvent(new Event("mangabm:refilter"));
 }
 
 // The chapter-edit form and the archive/finish/remove confirm rows are the

backend/web.go

@@ -184,12 +184,6 @@ func (h *webHandler) buildListView(tab string) (listView, error) {
 	}
 	reading := filterBookmarks(all, func(b Bookmark) bool { return b.Status == statusReading })
 
-	// The strip reflects overall reading recency, not the active tab.
-	recent := reading
-	if len(recent) > recentCount {
-		recent = recent[:recentCount]
-	}
-
 	withNew := filterBookmarks(reading, func(b Bookmark) bool { return b.HasNewChapter() })
 
 	var items []Bookmark
@@ -206,6 +200,15 @@ func (h *webHandler) buildListView(tab string) (listView, error) {
 		tab = "all"
 		items = reading
 	}
+	// The strip is the head of the same updated_at DESC reading list the All tab
+	// renders, so it only earns its ~230px of the first phone screen where it is
+	// not a pure duplicate of what sits right below it: on All, with more series
+	// than it shows. On the other tabs it either repeats the list or, worse,
+	// puts reading series above the archived and finished buckets.
+	var recent []Bookmark
+	if tab == "all" && len(reading) > recentCount {
+		recent = reading[:recentCount]
+	}
 	return listView{Tab: tab, Recent: recent, Items: items, NewCount: len(withNew)}, nil
 }
 

backend/web_test.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"net/http"
 	"net/http/httptest"
 	"net/url"
@@ -578,25 +579,58 @@ func TestTabsShowOnlyTheirBucket(t *testing.T) {
 	}
 }
 
-func TestRecentStripExcludesArchivedAndFinished(t *testing.T) {
+// stripOf returns everything above the list, which is where the recent section
+// renders.
+func stripOf(t *testing.T, srv http.Handler, cfg Config, tab string) string {
+	t.Helper()
+	req := httptest.NewRequest(http.MethodGet, "/?tab="+tab, nil)
+	req.AddCookie(sessionCookie(t, cfg))
+	rr := httptest.NewRecorder()
+	srv.ServeHTTP(rr, req)
+	body := rr.Body.String()
+	if i := strings.Index(body, `id="list"`); i >= 0 {
+		body = body[:i]
+	}
+	return body
+}
+
+// The strip is the head of the same list the All tab renders, so it only shows
+// where it is not a pure duplicate: on All, with more reading series than it
+// holds.
+func TestRecentStripOnlyOnAllAndOnlyWhenItAddsSomething(t *testing.T) {
 	cfg := webConfig()
 	srv, store := newWebTestServer(t, cfg)
 	seedStatusRows(t, store)
 
-	req := httptest.NewRequest(http.MethodGet, "/?tab=archived", nil)
-	req.AddCookie(sessionCookie(t, cfg))
-	rr := httptest.NewRecorder()
-	srv.ServeHTTP(rr, req)
+	for _, tab := range []string{"all", "new", "fav", "archived", "finished"} {
+		if strings.Contains(stripOf(t, srv, cfg, tab), `class="recent"`) {
+			t.Fatalf("tab %s rendered the strip for a library of one reading series", tab)
+		}
+	}
 
-	strip := rr.Body.String()
-	if i := strings.Index(strip, `id="list"`); i >= 0 {
-		strip = strip[:i] // everything above the list is the recent section
+	// Past recentCount the strip stops repeating the whole list.
+	for i := 0; i <= recentCount; i++ {
+		b := Bookmark{
+			Key: fmt.Sprintf("asura:more%d", i), Site: "asura",
+			SeriesID: fmt.Sprintf("more%d", i), Title: fmt.Sprintf("MoreReading%d", i),
+			Status: statusReading, LastChapterNum: 1, UpdatedAt: time.Now().UnixMilli(),
+		}
+		if _, err := store.Upsert(b); err != nil {
+			t.Fatalf("seed %s: %v", b.Key, err)
+		}
+	}
+
+	strip := stripOf(t, srv, cfg, "all")
+	if !strings.Contains(strip, `class="recent"`) {
+		t.Fatal("strip missing on All with more reading series than it shows")
 	}
 	if strings.Contains(strip, "ArchivedOne") || strings.Contains(strip, "FinishedOne") {
 		t.Fatal("recent strip included an archived or finished series")
 	}
-	if !strings.Contains(strip, "ReadingOne") {
-		t.Fatal("recent strip dropped the reading series")
+	for _, tab := range []string{"new", "fav", "archived", "finished"} {
+		if strings.Contains(stripOf(t, srv, cfg, tab), `class="recent"`) {
+			t.Fatalf("tab %s rendered the strip", tab)
+		}
 	}
 }