Fix static storage duration capture warnings in lambdas

Use braced scope with local variable to avoid capturing static
storage duration variables directly in lambda captures.

esphome/components/esp32_ble/__init__.py

@@ -134,16 +134,30 @@ class HandlerCounts:
 _handler_counts = HandlerCounts()
 
 
+def _add_callback(parent_var, method, handler_var, params, call_args):
+    """Generate a lambda callback that forwards to a handler method.
+
+    Uses a braced scope with a local variable to avoid capturing variables
+    with static storage duration.
+    """
+    cg.add(
+        cg.RawStatement(
+            f"{{ auto *h = {handler_var}; "
+            f"{parent_var}->{method}("
+            f"[h]({params}) {{ h->{call_args}; }}); }}"
+        )
+    )
+
+
 def register_gap_event_handler(parent_var: cg.MockObj, handler_var: cg.MockObj) -> None:
     """Register a GAP event handler and track the count."""
     _handler_counts.gap_event += 1
-    cg.add(
-        parent_var.add_gap_event_callback(
-            cg.RawExpression(
-                f"[{handler_var}](esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param) {{ "
-                f"{handler_var}->gap_event_handler(event, param); }}"
-            )
-        )
+    _add_callback(
+        parent_var,
+        "add_gap_event_callback",
+        handler_var,
+        "esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param",
+        "gap_event_handler(event, param)",
     )
 
 
@@ -152,13 +166,12 @@ def register_gap_scan_event_handler(
 ) -> None:
     """Register a GAP scan event handler and track the count."""
     _handler_counts.gap_scan_event += 1
-    cg.add(
-        parent_var.add_gap_scan_event_callback(
-            cg.RawExpression(
-                f"[{handler_var}](const esphome::esp32_ble::BLEScanResult &scan_result) {{ "
-                f"{handler_var}->gap_scan_event_handler(scan_result); }}"
-            )
-        )
+    _add_callback(
+        parent_var,
+        "add_gap_scan_event_callback",
+        handler_var,
+        "const esphome::esp32_ble::BLEScanResult &scan_result",
+        "gap_scan_event_handler(scan_result)",
     )
 
 
@@ -167,14 +180,12 @@ def register_gattc_event_handler(
 ) -> None:
     """Register a GATTc event handler and track the count."""
     _handler_counts.gattc_event += 1
-    cg.add(
-        parent_var.add_gattc_event_callback(
-            cg.RawExpression(
-                f"[{handler_var}](esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, "
-                f"esp_ble_gattc_cb_param_t *param) {{ "
-                f"{handler_var}->gattc_event_handler(event, gattc_if, param); }}"
-            )
-        )
+    _add_callback(
+        parent_var,
+        "add_gattc_event_callback",
+        handler_var,
+        "esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t *param",
+        "gattc_event_handler(event, gattc_if, param)",
     )
 
 
@@ -183,14 +194,12 @@ def register_gatts_event_handler(
 ) -> None:
     """Register a GATTs event handler and track the count."""
     _handler_counts.gatts_event += 1
-    cg.add(
-        parent_var.add_gatts_event_callback(
-            cg.RawExpression(
-                f"[{handler_var}](esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, "
-                f"esp_ble_gatts_cb_param_t *param) {{ "
-                f"{handler_var}->gatts_event_handler(event, gatts_if, param); }}"
-            )
-        )
+    _add_callback(
+        parent_var,
+        "add_gatts_event_callback",
+        handler_var,
+        "esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param",
+        "gatts_event_handler(event, gatts_if, param)",
     )
 
 
@@ -199,13 +208,12 @@ def register_ble_status_event_handler(
 ) -> None:
     """Register a BLE status event handler and track the count."""
     _handler_counts.ble_status_event += 1
-    cg.add(
-        parent_var.add_ble_status_event_callback(
-            cg.RawExpression(
-                f"[{handler_var}]() {{ "
-                f"{handler_var}->ble_before_disabled_event_handler(); }}"
-            )
-        )
+    _add_callback(
+        parent_var,
+        "add_ble_status_event_callback",
+        handler_var,
+        "",
+        "ble_before_disabled_event_handler()",
     )