feat(sp6): bulk action bar wired into lanes

src/components/inbox/BulkBar.test.tsx

@@ -0,0 +1,54 @@
+// @vitest-environment happy-dom
+import { afterEach, describe, expect, it, vi } from "vitest";
+import { cleanup, render, screen, fireEvent } from "@testing-library/react";
+import { BulkBar } from "./BulkBar";
+
+afterEach(() => cleanup());
+
+describe("BulkBar", () => {
+  it("renders action buttons appropriate for the lane", () => {
+    const { container } = render(
+      <BulkBar
+        lane="rejected"
+        count={3}
+        onResubmit={vi.fn()}
+        onDismiss={vi.fn()}
+        onExport={vi.fn()}
+      />,
+    );
+    expect(container.textContent).toMatch(/re-?submit/i);
+    expect(container.textContent).toMatch(/export/i);
+    expect(container.textContent).not.toMatch(/dismiss/i);
+  });
+
+  it("calls onResubmit when Resubmit clicked", () => {
+    const onResubmit = vi.fn();
+    const { container } = render(
+      <BulkBar
+        lane="rejected"
+        count={2}
+        onResubmit={onResubmit}
+        onDismiss={() => {}}
+        onExport={() => {}}
+      />,
+    );
+    const buttons = container.querySelectorAll("button");
+    const resubmitBtn = Array.from(buttons).find((b) => /re-?submit/i.test(b.textContent || ""));
+    expect(resubmitBtn).toBeDefined();
+    fireEvent.click(resubmitBtn!);
+    expect(onResubmit).toHaveBeenCalledOnce();
+  });
+
+  it("hides when count is zero", () => {
+    const { container } = render(
+      <BulkBar
+        lane="rejected"
+        count={0}
+        onResubmit={() => {}}
+        onDismiss={() => {}}
+        onExport={() => {}}
+      />,
+    );
+    expect(container.firstChild).toBeNull();
+  });
+});

src/components/inbox/BulkBar.tsx

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+export function BulkBar({
+  lane,
+  count,
+  onResubmit,
+  onDismiss,
+  onExport,
+}: {
+  lane: "rejected" | "candidates" | "unmatched" | "done_today";
+  count: number;
+  onResubmit: () => void;
+  onDismiss: () => void;
+  onExport: () => void;
+}) {
+  if (count === 0) return null;
+  return (
+    <div
+      className="fixed bottom-4 left-1/2 px-4 py-2 font-mono flex gap-3 z-20"
+      style={{
+        transform: "translateX(-50%)",
+        background: "var(--tt-bg-elev)",
+        border: "1px solid var(--tt-amber)",
+        color: "var(--tt-ink)",
+        fontSize: 11,
+      }}
+    >
+      <span className="tabular-nums" style={{ color: "var(--tt-amber)" }}>
+        {count} selected
+      </span>
+      {lane === "rejected" && (
+        <button
+          onClick={onResubmit}
+          className="hover:underline"
+          style={{ color: "var(--tt-ink)" }}
+        >
+          Re-submit ({count})
+        </button>
+      )}
+      {lane === "candidates" && (
+        <button
+          onClick={onDismiss}
+          className="hover:underline"
+          style={{ color: "var(--tt-ink)" }}
+        >
+          Dismiss ({count})
+        </button>
+      )}
+      <button
+        onClick={onExport}
+        className="hover:underline"
+        style={{ color: "var(--tt-ink)" }}
+      >
+        Export CSV ({count})
+      </button>
+    </div>
+  );
+}