Merge remote-tracking branch 'gh/main' into wire2/j4qt

# Conflicts:
#	context/test-evidence/clients.md

harness/tests/contract.spec.js

@@ -70,7 +70,7 @@ test.describe("every field the render model projects reaches the screen", () =>
     await expect(page.locator("#categories")).toBeVisible();
     await page.keyboard.press("Escape");
 
-    // `views`: empty unless open, so the page asks no question about the mode.
+    // `views`: `null` unless open, so the page asks no question about the mode.
     await expect(page.locator("#views")).toBeHidden();
     await page.keyboard.press("Shift+V");
     await expect(page.locator("#views li")).toHaveCount(2);
@@ -356,6 +356,27 @@ test.describe("a pointer event reaches the client and its answer is painted", ()
   });
 });
 
+test.describe("an open panel is drawn even when it has nothing in it", () => {
+  // improvise-df2w: `formulas` said "closed" by being empty, so a document with
+  // no formulas could open the panel and never see it. `tall.improv` has none.
+  test("the formula panel opens over a document with no formulas", async ({ page }) => {
+    await page.goto("/app/index.html?doc=df2w-empty.improv&seed=tall.improv");
+    await expect(page.locator("#grid table")).toBeVisible({ timeout: 20_000 });
+    await page.locator("#grid").focus();
+    await expect(page.locator("#formulas")).toBeHidden();
+
+    await page.keyboard.press("Shift+F");
+    await expect(page.locator("#mode")).toHaveText("FORMULAS");
+    await expect(page.locator("#formulas")).toBeVisible();
+    await expect(page.locator("#formulas li")).toHaveCount(0);
+
+    // And closed is still closed: the other direction, which a page that
+    // simply never hid the panel would fail.
+    await page.keyboard.press("Shift+F");
+    await expect(page.locator("#formulas")).toBeHidden();
+  });
+});
+
 test.describe("the selection is on screen", () => {
   // improvise-jq8l: `web/app.js` called `scrollIntoView` NOWHERE, so a selection
   // moved past the bottom of `#grid` simply stayed there, invisible, with no way

harness/tests/drill.spec.js

@@ -36,12 +36,14 @@ async function anAggregateGrid(page) {
 test.describe("drill is refused in the browser, not broken", () => {
   // The honest half: `i`/`a` on an aggregate declines OUT LOUD, because
   // `edit_or_drill` answers the `CellId::Aggregate` arm with a status.
-  test("editing an aggregate says drill needs the host", async ({ page }) => {
+  test("editing an aggregate says it is edited by drilling, and drill is missing", async ({
+    page,
+  }) => {
     await anAggregateGrid(page);
 
     await page.keyboard.press("i");
     await expect(page.locator("#toast")).toContainText(
-      "drilling into an aggregate needs the host",
+      "an aggregate is edited by drilling in — drill is not available in the browser yet",
     );
     // And it really is a refusal: no editor opened, no mode change.
     await expect(page.locator("#mode")).toHaveText("NORMAL");
@@ -63,16 +65,15 @@ test.describe("drill is refused in the browser, not broken", () => {
     );
     await expect(page.locator("#mode")).toHaveText("NORMAL");
 
-    // The two refusals have two SUBJECTS, and conflating them would be a
-    // true-sounding sentence about the wrong thing — worse than silence,
-    // because it stops the reader looking. `>` must not talk about aggregates.
+    // `>` is refused whatever the cell is, so it must not blame the cell.
     await expect(page.locator("#toast")).not.toContainText("aggregate");
 
-    // And `i` still gives the OTHER refusal, which is what proves the two are
-    // distinct rather than one message reached by two keys.
+    // `i` reaches the SAME missing feature (in the TUI it drills), so it names
+    // it the same way and adds only why — improvise-s8h7, clients.md.
     await page.keyboard.press("i");
+    await expect(page.locator("#toast")).toContainText("an aggregate is edited by drilling in");
     await expect(page.locator("#toast")).toContainText(
-      "drilling into an aggregate needs the host",
+      "drill is not available in the browser yet",
     );
   });
 });