Anchor all four wrap symbols, add 2-slot coverage, log outside the lock

tests/component_tests/bluetooth_proxy/config/rp2_proxy_two_slots.yaml

@@ -0,0 +1,16 @@
+esphome:
+  name: poolwrap-rp2-two
+
+rp2:
+  board: rpipicow
+
+wifi:
+  ssid: MySSID
+  password: password1
+
+api:
+
+rp2_ble_tracker:
+
+bluetooth_proxy:
+  connection_slots: 2

tests/component_tests/bluetooth_proxy/test_rp2_pool_wrap.py

@@ -27,6 +27,17 @@ def test_default_slots_emit_the_pool_wrap(
     assert get_define_value("BLUETOOTH_PROXY_MAX_CONNECTIONS") == "3"
 
 
+def test_two_slots_emit_the_pool_wrap(
+    generate_main: Callable[[str | Path], str],
+    component_config_path: Callable[[str], Path],
+) -> None:
+    # Two slots: the wrap pools are smaller than the cap, sized from the count.
+    generate_main(component_config_path("rp2_proxy_two_slots.yaml"))
+    assert all(flag in CORE.build_flags for flag in WRAP_FLAGS)
+    assert get_define_value("ESPHOME_BLE_GATT_CLIENT_COUNT") == "2"
+    assert get_define_value("BLUETOOTH_PROXY_MAX_CONNECTIONS") == "2"
+
+
 def test_single_slot_keeps_the_prebuilt_pools(
     generate_main: Callable[[str | Path], str],
     component_config_path: Callable[[str], Path],