feat: ctrl+s searches everything; again narrows to the source you're in

Go to opens on All instead of the source you're in, so a search finds
anything at once. ctrl+s again in Go to narrows to that source, and once
more goes back to All; the hint names it. g/G go to the top and bottom
of a list while browsing, and the tabs are Search, Favourites, Recent.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

internal/ui/app/search_test.go

@@ -42,11 +42,15 @@ func TestSearchLoaded(t *testing.T) {
 			t.Fatalf("missing %q:\n%s", want, d.screen())
 		}
 	}
-	d.typeText("api-key")
-	if !strings.Contains(d.screen(), "no matches here · All searches everything") {
+	d.typeText("api-key") // on All: found at once
+	if !strings.Contains(d.screen(), "ctrl+s only platform-dev") {
+		t.Errorf("no hint to narrow to the source:\n%s", d.screen())
+	}
+	d.send(ctrl('s'))
+	if !strings.Contains(d.screen(), "no matches here · All searches everything") || !strings.Contains(d.screen(), "ctrl+s searches all") {
 		t.Errorf("no hint to search everything:\n%s", d.screen())
 	}
-	d.searchAll()
+	d.send(ctrl('s'))
 	if !strings.Contains(d.screen(), "platform-prod / kv-app-prod / api-key") {
 		t.Fatalf("loaded secret not found:\n%s", d.screen())
 	}
@@ -62,7 +66,8 @@ func TestSearchLoaded(t *testing.T) {
 func TestSearchLoadsAsYouType(t *testing.T) {
 	t.Parallel()
 	d := newDriver(t)
-	d.openSearch() // on the source the cursor is on: platform-prod
+	d.openSearch()
+	d.send(ctrl('s')) // only the source the cursor is on: platform-prod
 	// Typing loads the scope: that source, without ctrl+a.
 	d.typeText("smtp")
 	if !strings.Contains(d.screen(), "platform-prod / kv-shared-prod / smtp-password") {
@@ -76,10 +81,7 @@ func TestSearchLoadsAsYouType(t *testing.T) {
 	}
 
 	// On All: everything.
-	d.keys("tab") // to the scopes
-	for d.m.search.src > 0 {
-		d.send(tea.KeyPressMsg{Code: tea.KeyUp})
-	}
+	d.send(ctrl('s'))
 	d.typeText("-")
 	if _, ok := d.m.cache.containers[sourceRowKey("Azure", "sub-dev")]; !ok {
 		t.Errorf("typing on All didn't load the other sources:\n%s", d.screen())
@@ -183,19 +185,36 @@ func TestSearchStartsWhereYouAre(t *testing.T) {
 	d.keys("2", "j") // platform-prod / kv-shared-prod
 	d.openSearch()
 	v := d.m.search
-	if got := ansiStrip(v.scopes[v.src].label); !strings.Contains(got, "platform-prod") {
-		t.Errorf("source not preselected: %q", got)
+	scope := func() string { return ansiStrip(v.scopes[v.src].label) }
+	if scope() != "All" {
+		t.Errorf("opened on %q, want All", scope())
 	}
 	if v.res >= len(v.shown) || !strings.Contains(ansiStrip(v.shown[v.res].label), "kv-shared-prod") {
 		t.Errorf("vault not under the cursor:\n%s", d.screen())
 	}
+	d.send(ctrl('s')) // narrows to the source, and back
+	if !strings.Contains(scope(), "platform-prod") {
+		t.Errorf("ctrl+s narrowed to %q", scope())
+	}
+	d.send(ctrl('s'))
+	if scope() != "All" {
+		t.Errorf("second ctrl+s on %q, want All", scope())
+	}
 
-	// From the Sources pane: just the source.
-	d.keys("esc", "esc", "1", "j") // stop typing, close; platform-dev
+	// From Favourites: to Search, on All.
+	d.keys("esc", "]", "]") // stop typing; Favourites
+	d.send(ctrl('s'))
+	if v.tab != tabSearch || scope() != "All" {
+		t.Errorf("ctrl+s from another tab: tab %d, %q", v.tab, scope())
+	}
+
+	// From the Sources pane: the source.
+	d.keys("esc", "1", "j") // close; platform-dev
 	d.openSearch()
 	v = d.m.search
-	if got := ansiStrip(v.scopes[v.src].label); !strings.Contains(got, "platform-dev") {
-		t.Errorf("source not preselected: %q", got)
+	d.send(ctrl('s'))
+	if !strings.Contains(scope(), "platform-dev") {
+		t.Errorf("ctrl+s narrowed to %q", scope())
 	}
 }
 
@@ -239,6 +258,24 @@ func TestGoToTabsAndModes(t *testing.T) {
 		t.Errorf("[ → tab %d, want Search:\n%s", v.tab, d.screen())
 	}
 
+	// g and G: top and bottom of the list with the cursor.
+	d.keys("G")
+	if v.res != len(v.shown)-1 || v.res == 0 {
+		t.Errorf("G on results: %d of %d", v.res, len(v.shown))
+	}
+	d.keys("g")
+	if v.res != 0 {
+		t.Errorf("g on results: %d", v.res)
+	}
+	d.keys("h", "G")
+	if v.src != len(v.scopes)-1 {
+		t.Errorf("G on scopes: %d of %d", v.src, len(v.scopes))
+	}
+	d.keys("g", "l")
+	if v.src != 0 {
+		t.Errorf("g on scopes: %d", v.src)
+	}
+
 	d.keys("/")
 	d.typeText("shared")
 	if !v.typing || len(v.shown) == 0 {