feat: show project and workspace activity indicators

src/shared/activity.test.ts

@@ -0,0 +1,36 @@
+import { describe, expect, it } from "vitest";
+import { isSessionActive, sessionActivityLabel, isWorkspaceActivityActive } from "./activity";
+import type { SessionStatus, WorkspaceActivity } from "./apiTypes";
+
+const idleStatus: SessionStatus = {
+  sessionId: "s1",
+  isStreaming: false,
+  isCompacting: false,
+  isBashRunning: false,
+  pendingMessageCount: 0,
+  queuedMessages: [],
+  tokens: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0, total: 0 },
+  cost: 0,
+};
+
+describe("activity helpers", () => {
+  it("detects and labels active session states consistently", () => {
+    expect(isSessionActive(idleStatus)).toBe(false);
+    expect(sessionActivityLabel(idleStatus)).toBeUndefined();
+
+    expect(isSessionActive({ ...idleStatus, isStreaming: true })).toBe(true);
+    expect(sessionActivityLabel({ ...idleStatus, isStreaming: true })).toBe("streaming");
+
+    expect(isSessionActive({ ...idleStatus, pendingMessageCount: 2 })).toBe(true);
+    expect(sessionActivityLabel({ ...idleStatus, pendingMessageCount: 2 })).toBe("2 pending");
+
+    expect(sessionActivityLabel(idleStatus, { sessionId: "s1", phase: "active", label: "running tool", detail: "read", at: "now" })).toBe("running tool: read");
+  });
+
+  it("detects workspace activity presence without exposing details", () => {
+    const idle: WorkspaceActivity = { cwd: "/repo", hasSessionActivity: false, hasTerminalActivity: false, updatedAt: "now" };
+    expect(isWorkspaceActivityActive(idle)).toBe(false);
+    expect(isWorkspaceActivityActive({ ...idle, hasSessionActivity: true })).toBe(true);
+    expect(isWorkspaceActivityActive({ ...idle, hasTerminalActivity: true })).toBe(true);
+  });
+});