feat(tools): add long_press tool with humanize hook

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/test_long_press.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+from device.manager import DeviceManager
+from tests.fakes import FakeDriver
+
+
+def _connected(driver: FakeDriver) -> DeviceManager:
+    manager = DeviceManager()
+    manager.register_device("phone", lambda: driver)
+    manager.connect("phone", max_retries=1)
+    return manager
+
+
+def test_long_press_disabled_passes_exact_coords(monkeypatch):
+    monkeypatch.setenv("APEX_HUMANIZE_ENABLED", "false")
+    from tools.long_press import long_press
+
+    driver = FakeDriver()
+    res = long_press(100, 200, duration_ms=1500, manager=_connected(driver))
+    assert driver.calls[-1] == ("long_press", (100, 200, 1500))
+    assert res["action"] == "long_press"
+    assert res["duration_ms"] == 1500
+
+
+def test_long_press_enabled_jitters_within_radius(monkeypatch):
+    import random
+
+    monkeypatch.setenv("APEX_HUMANIZE_ENABLED", "true")
+    from tools.humanize import set_rng
+    from tools.long_press import long_press
+
+    set_rng(random.Random(5))
+    try:
+        driver = FakeDriver()
+        long_press(100, 200, duration_ms=1500, manager=_connected(driver))
+    finally:
+        set_rng(None)
+    name, args = driver.calls[-1]
+    assert name == "long_press"
+    px, py, _ = args
+    assert abs(px - 100) <= 5.0 and abs(py - 200) <= 5.0