feat(activity): update summary cards to toggles and introduce export menu

features/activity_screen.qa.md

@@ -52,7 +52,7 @@ zeros) and `summaryNone` (all zeros). The list response is `{ items, total, page
 1. **Navigation** — sidebar and drawer list Home, Articles, Media, Users, Activity, Integration,
    Settings in order; "Activity" has the `i-lucide-history` icon, links to /activity, has
    aria-current="page" on /activity and none elsewhere; breadcrumb and mobile title "Activity".
-2. **Default (owner)** — assert header texts, enabled "Export CSV", the four strip cards (labels,
+2. **Default (owner)** — assert header texts, enabled "Export", the four strip cards (labels,
    "1,284", "9", "6", "11", sub-lines "12% vs previous 7 days" with the trending-up icon, "7
    people, 2 API keys", "0.5% of all actions" with icon `circle-x`, "11 flagged" with icon
    `shield-alert`), the filter bar (placeholder, "All people", "All categories", Outcome All
@@ -85,7 +85,7 @@ zeros) and `summaryNone` (all zeros). The list response is `{ items, total, page
    antérieure" and "Aucun changement"; ranges Today, 30 days and Custom give "vs previous day",
    "vs previous 30 days" and "vs previous period".
 10. **Empty, no activity yet** — `summaryNone`, items []; assert "No data yet" on two cards, the
-    calm lines on the other two, the empty panel copy and icon, a disabled "Export CSV", no table
+    calm lines on the other two, the empty panel copy and icon, a disabled "Export", no table
     header and no pager.
 11. **Empty, filters match nothing** — type "sitemap", choose Category "Media" and Outcome
     "Failed", resolve items []; assert chips, empty panel copy, "Clear filters", enabled export;
@@ -122,14 +122,8 @@ zeros) and `summaryNone` (all zeros). The list response is `{ items, total, page
 22. **Mobile list and sheet** — below md assert cards (actor line, sentence, badges, "Target
     deleted"), "Filters" with the badge count, the sheet content and footer ("Show 6 results", "Show
     1 result"), two date fields for Custom, and that "Show … results" closes it.
-23. **Export success** — click "Export CSV" with filters applied; assert one request to
-    `/v1/activity/export` with the list filters and no `page` or `size`, "Preparing file…" and
-    disabled while pending, an object URL created and an anchor clicked with
-    `download="activity.csv"`, the success toast (color success, icon `i-lucide-circle-check`,
-    title "Export started. Your file will download shortly."), and the button back to "Export CSV".
-24. **Export failure, Examples-driven** — 500, 403 and `NetworkError`; assert the error toast
-    (color error, icon `i-lucide-circle-x`, title "Couldn't export activity. Try again."), no
-    download, button re-enabled.
+23. **Export** — superseded by activity_filter_cards_and_export.qa.md (menu, dialog, toasts).
+24. **Export failure** — superseded by activity_filter_cards_and_export.qa.md.
 25. **Details open and close** — click, then Enter on a focused row; assert the title, the selected
     row class, the footer "Event 2 of 1,284"; close with Escape, the close button and the scrim and
     assert focus on the row.
@@ -156,7 +150,7 @@ zeros) and `summaryNone` (all zeros). The list response is `{ items, total, page
     request to `/summary` or `/export` and no `actor` parameter; pager "Showing 1–25 of 41"; empty
     state copy; details "Event 1 of 41" with previous disabled.
 31. **French** — `setLocale('fr')`; assert the chrome strings (Activity "Activité", My activity
-    "Mon activité", Export CSV "Exporter en CSV", Preparing file… "Préparation du fichier…",
+    "Mon activité", Export CSV "Exporter", Preparing file… "Préparation du fichier…",
     Total actions "Actions au total", Active people "Personnes actives", Failed actions "Actions
     en échec", Security events "Événements de sécurité", Succeeded "Réussie", Failed "Échec", Not
     signed in "Non connecté", Activity details "Détails de l'activité", Previous event and Next
@@ -199,14 +193,14 @@ the sub-line "11 flagged". Total is 1284 with page size 25 for the owner and 41
 
 - [ ] Loading: both requests with `hang: true`; the setup waits 150 ms or more so the skeleton
       strip and rows are drawn before the capture.
-- [ ] Empty, no activity yet: list `items: [], total: 0`, summary `summaryNone`; "Export CSV"
+- [ ] Empty, no activity yet: list `items: [], total: 0`, summary `summaryNone`; "Export"
       disabled.
 - [ ] Empty, filters match nothing: the board applies Search "sitemap", Category "Media", Outcome
       "Failed" (steps type and select them, or the mock answers with the filtered query), list
       `items: [], total: 0`, summary Default.
 - [ ] Error with retry: list 500, summary Default; the alert, disabled export, strip drawn.
 - [ ] Forbidden (403): list 403, summary 403; session with a non-admin role as the board does
-      (`role: 'user'`), so no "Export CSV".
+      (`role: 'user'`), so no "Export".
 - [ ] My activity, Empty: `activityEditorSession`, list `items: [], total: 0`.
 - [ ] skip: clock-sensitive. Default, large dataset: `skip: 'clock-sensitive'` (day separators and
       "2 min ago" depend on the real clock). Prints SKIP, never investigated or date-frozen.
@@ -218,7 +212,7 @@ the sub-line "11 flagged". Total is 1284 with page size 25 for the owner and 41
       the rows behind the scrim show relative times and the panel shows the browser's local
       time. Their Vitest coverage is cases 3, 5, 25 to 30.
 - [ ] Layout, from `ActivityFrame.dc.html`, not `components.md`: header row is the title block
-      (20 px/28 px title) on the left and the 32 px (44 px mobile) "Export CSV" button on the right,
+      (20 px/28 px title) on the left and the 32 px (44 px mobile) "Export" button on the right,
       aligned to the bottom; the strip is 4 columns with a 12 px gap on desktop and a clipped row
       of 156 px cards with an 8 px gap on mobile; the table header is 36 px, day rows 32 px, rows at
       least 52 px; the slide-over is 480 px wide on desktop, the bottom sheet 88 % high.
@@ -238,7 +232,7 @@ the sub-line "11 flagged". Total is 1284 with page size 25 for the owner and 41
   the right sentences, the shield marker on the failed login, the Succeeded and Failed badges, the
   summary numbers and the sparkline bars; apply each filter and each card; page through with size
   25, 50 and 100; open the details across a page boundary.
-- **Real CSV** — click "Export CSV" with and without filters and open `activity.csv`: columns
+- **Real CSV** — click "Export" with and without filters and open `activity.csv`: columns
   `when,actor,action,target,outcome,source,ip`, the filtered rows only, no page or size applied,
   neutralised cells that start with `=`, `+`, `-` or `@`; confirm the browser download prompt and
   the two toasts.