Watch: snooze finished threads, name the files a file approval would edit, Settle on finished notifications, an instant launch from the saved feed, plain Loading states, and no more cancelled errors

Gateway: an approval push for a file change says which files it would edit

gateway/test/notify.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, it } from "bun:test";
 
-import { Notifier, type Push } from "../src/notify.ts";
+import { approvalBody, Notifier, type Push } from "../src/notify.ts";
 import type { T3Host } from "../src/t3/host.ts";
 import type { ThreadShell } from "../src/t3/types.ts";
 import { SummaryCache } from "../src/views.ts";
@@ -145,3 +145,34 @@ describe("question pushes", () => {
     });
   });
 });
+
+describe("approvalBody", () => {
+  const approval = (kind: string, files: Array<{ name: string; additions: number | null; deletions: number | null }>) => ({
+    id: "r-1",
+    kind,
+    prompt: "Edit: deploy/compose.yml",
+    reason: null,
+    options: [],
+    questions: [],
+    files: files.map((file) => ({ ...file, path: `deploy/${file.name}`, preview: [] })),
+  });
+
+  it("names the file a file approval would edit, with counts only when known", () => {
+    expect(approvalBody(approval("file-change", [{ name: "compose.yml", additions: 9, deletions: 6 }]))).toBe(
+      "Wants to edit compose.yml +9 \u22126",
+    );
+    expect(approvalBody(approval("file-change", [{ name: "compose.yml", additions: null, deletions: null }]))).toBe(
+      "Wants to edit compose.yml",
+    );
+  });
+
+  it("counts several files and lists their names", () => {
+    const files = ["compose.yml", "Containerfile", "health.ts"].map((name) => ({ name, additions: null, deletions: null }));
+    expect(approvalBody(approval("file-change", files))).toBe("Wants to edit 3 files: compose.yml, Containerfile, health.ts");
+  });
+
+  it("falls back to the prompt without files", () => {
+    expect(approvalBody(approval("file-change", []))).toBe("Wants to run: Edit: deploy/compose.yml");
+    expect(approvalBody(null)).toBe("Needs your approval.");
+  });
+});