[verified] fix: preserve tracker precision eligibility

tests/test_mining_cli.py

@@ -553,9 +553,23 @@ def test_legacy_start_falls_back_to_env_tracker_and_model(monkeypatch):
     assert captured["model_id"] == "Qwen/Qwen2.5-0.5B-Instruct"
 
 
-def test_legacy_start_without_port_uses_next_available_port(monkeypatch):
-    "Omitting --port skips an occupied default port before startup loads the model.\n\nTags: general"
-    from meshnet_node.cli import main
+def test_first_available_port_skips_an_occupied_custom_port():
+    "Port search skips an occupied custom base port.\n\nTags: general"
+    from meshnet_node.cli import _first_available_port
+
+    occupied = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    occupied.bind(("127.0.0.1", 0))
+    start = occupied.getsockname()[1]
+    occupied.listen(1)
+    try:
+        assert _first_available_port("127.0.0.1", start=start, attempts=100) > start
+    finally:
+        occupied.close()
+
+
+def test_legacy_start_without_port_uses_port_search(monkeypatch):
+    "Omitting --port delegates legacy startup to the port-search helper.\n\nTags: general"
+    from meshnet_node import cli as cli_mod
 
     captured = {}
 
@@ -566,26 +580,20 @@ def test_legacy_start_without_port_uses_next_available_port(monkeypatch):
             def stop(self): pass
         return _FakeNode()
 
-    occupied = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-    occupied.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-    occupied.bind(("127.0.0.1", 7000))
-    occupied.listen(1)
-    try:
-        monkeypatch.setattr(sys, "argv", [
-            "meshnet-node", "start",
-            "--tracker", "http://192.168.0.179:8081",
-            "--model", "Qwen/Qwen2.5-0.5B-Instruct",
-            "--host", "127.0.0.1",
-        ])
+    monkeypatch.setattr(cli_mod, "_first_available_port", lambda *_args, **_kwargs: 7001)
+    monkeypatch.setattr(sys, "argv", [
+        "meshnet-node", "start",
+        "--tracker", "http://192.168.0.179:8081",
+        "--model", "Qwen/Qwen2.5-0.5B-Instruct",
+        "--host", "127.0.0.1",
+    ])
 
-        with patch("meshnet_node.startup.run_startup", side_effect=fake_run_startup):
-            with patch("time.sleep", side_effect=KeyboardInterrupt):
-                try:
-                    main()
-                except SystemExit as exc:
-                    assert exc.code == 0
-    finally:
-        occupied.close()
+    with patch("meshnet_node.startup.run_startup", side_effect=fake_run_startup):
+        with patch("time.sleep", side_effect=KeyboardInterrupt):
+            try:
+                cli_mod.main()
+            except SystemExit as exc:
+                assert exc.code == 0
 
     assert captured["port"] == 7001