diff --git a/esphome/components/api/api_pb2_dump.cpp b/esphome/components/api/api_pb2_dump.cpp
index 63658864de..a8344771a9 100644
--- a/esphome/components/api/api_pb2_dump.cpp
+++ b/esphome/components/api/api_pb2_dump.cpp
@@ -1138,7 +1138,7 @@ void ExecuteServiceArgument::dump_to(std::string &out) const {
   dump_field(out, "string_", this->string_);
   dump_field(out, "int_", this->int_);
   for (const auto it : this->bool_array) {
-    dump_field(out, "bool_array", it, 4);
+    dump_field(out, "bool_array", static_cast<bool>(it), 4);
   }
   for (const auto &it : this->int_array) {
     dump_field(out, "int_array", it, 4);
diff --git a/esphome/components/bluetooth_proxy/__init__.py b/esphome/components/bluetooth_proxy/__init__.py
index 112faa27e5..f21b5028c7 100644
--- a/esphome/components/bluetooth_proxy/__init__.py
+++ b/esphome/components/bluetooth_proxy/__init__.py
@@ -80,7 +80,7 @@ CONFIG_SCHEMA = cv.All(
         cv.Schema(
             {
                 cv.GenerateID(): cv.declare_id(BluetoothProxy),
-                cv.Optional(CONF_ACTIVE, default=False): cv.boolean,
+                cv.Optional(CONF_ACTIVE, default=True): cv.boolean,
                 cv.SplitDefault(CONF_CACHE_SERVICES, esp32_idf=True): cv.All(
                     cv.only_with_esp_idf, cv.boolean
                 ),
diff --git a/esphome/components/esp32/__init__.py b/esphome/components/esp32/__init__.py
index 47832a08ae..12d84dd4b3 100644
--- a/esphome/components/esp32/__init__.py
+++ b/esphome/components/esp32/__init__.py
@@ -40,6 +40,7 @@ from esphome.cpp_generator import RawExpression
 import esphome.final_validate as fv
 from esphome.helpers import copy_file_if_changed, mkdir_p, write_file_if_changed
 from esphome.types import ConfigType
+from esphome.writer import clean_cmake_cache
 
 from .boards import BOARDS, STANDARD_BOARDS
 from .const import (  # noqa
@@ -840,6 +841,9 @@ async def to_code(config):
     if conf[CONF_ADVANCED][CONF_IGNORE_EFUSE_CUSTOM_MAC]:
         cg.add_define("USE_ESP32_IGNORE_EFUSE_CUSTOM_MAC")
 
+    for clean_var in ("IDF_PATH", "IDF_TOOLS_PATH"):
+        os.environ.pop(clean_var, None)
+
     add_extra_script(
         "post",
         "post_build.py",
@@ -1074,7 +1078,11 @@ def _write_idf_component_yml():
         contents = yaml_util.dump({"dependencies": dependencies})
     else:
         contents = ""
-    write_file_if_changed(yml_path, contents)
+    if write_file_if_changed(yml_path, contents):
+        dependencies_lock = CORE.relative_build_path("dependencies.lock")
+        if os.path.isfile(dependencies_lock):
+            os.remove(dependencies_lock)
+        clean_cmake_cache()
 
 
 # Called by writer.py
diff --git a/esphome/components/i2c/i2c.cpp b/esphome/components/i2c/i2c.cpp
index e66ab8ba73..48e1cf8aca 100644
--- a/esphome/components/i2c/i2c.cpp
+++ b/esphome/components/i2c/i2c.cpp
@@ -47,9 +47,9 @@ ErrorCode I2CDevice::write_register(uint8_t a_register, const uint8_t *data, siz
 
 ErrorCode I2CDevice::write_register16(uint16_t a_register, const uint8_t *data, size_t len) const {
   std::vector<uint8_t> v(len + 2);
-  v.push_back(a_register >> 8);
-  v.push_back(a_register);
-  v.insert(v.end(), data, data + len);
+  v[0] = a_register >> 8;
+  v[1] = a_register;
+  std::copy(data, data + len, v.begin() + 2);
   return bus_->write_readv(this->address_, v.data(), v.size(), nullptr, 0);
 }
 
diff --git a/esphome/components/number/number.cpp b/esphome/components/number/number.cpp
index 8f5cd9bdeb..da08faf655 100644
--- a/esphome/components/number/number.cpp
+++ b/esphome/components/number/number.cpp
@@ -18,8 +18,8 @@ void log_number(const char *tag, const char *prefix, const char *type, Number *o
     ESP_LOGCONFIG(tag, "%s  Icon: '%s'", prefix, obj->get_icon_ref().c_str());
   }
 
-  if (!obj->traits.get_unit_of_measurement().empty()) {
-    ESP_LOGCONFIG(tag, "%s  Unit of Measurement: '%s'", prefix, obj->traits.get_unit_of_measurement().c_str());
+  if (!obj->traits.get_unit_of_measurement_ref().empty()) {
+    ESP_LOGCONFIG(tag, "%s  Unit of Measurement: '%s'", prefix, obj->traits.get_unit_of_measurement_ref().c_str());
   }
 
   if (!obj->traits.get_device_class_ref().empty()) {
diff --git a/esphome/components/sensor/sensor.cpp b/esphome/components/sensor/sensor.cpp
index ae45498949..e2e8302d8b 100644
--- a/esphome/components/sensor/sensor.cpp
+++ b/esphome/components/sensor/sensor.cpp
@@ -18,7 +18,7 @@ void log_sensor(const char *tag, const char *prefix, const char *type, Sensor *o
                 "%s  Unit of Measurement: '%s'\n"
                 "%s  Accuracy Decimals: %d",
                 prefix, type, obj->get_name().c_str(), prefix, state_class_to_string(obj->get_state_class()), prefix,
-                obj->get_unit_of_measurement().c_str(), prefix, obj->get_accuracy_decimals());
+                obj->get_unit_of_measurement_ref().c_str(), prefix, obj->get_accuracy_decimals());
 
   if (!obj->get_device_class_ref().empty()) {
     ESP_LOGCONFIG(tag, "%s  Device Class: '%s'", prefix, obj->get_device_class_ref().c_str());
@@ -128,7 +128,7 @@ void Sensor::internal_send_state_to_frontend(float state) {
   this->set_has_state(true);
   this->state = state;
   ESP_LOGD(TAG, "'%s': Sending state %.5f %s with %d decimals of accuracy", this->get_name().c_str(), state,
-           this->get_unit_of_measurement().c_str(), this->get_accuracy_decimals());
+           this->get_unit_of_measurement_ref().c_str(), this->get_accuracy_decimals());
   this->callback_.call(state);
 }
 
diff --git a/esphome/components/wifi/__init__.py b/esphome/components/wifi/__init__.py
index 7943911021..c63a12f879 100644
--- a/esphome/components/wifi/__init__.py
+++ b/esphome/components/wifi/__init__.py
@@ -51,7 +51,7 @@ from . import wpa2_eap
 
 AUTO_LOAD = ["network"]
 
-NO_WIFI_VARIANTS = [const.VARIANT_ESP32H2]
+NO_WIFI_VARIANTS = [const.VARIANT_ESP32H2, const.VARIANT_ESP32P4]
 CONF_SAVE = "save"
 
 wifi_ns = cg.esphome_ns.namespace("wifi")
@@ -179,8 +179,8 @@ WIFI_NETWORK_STA = WIFI_NETWORK_BASE.extend(
 def validate_variant(_):
     if CORE.is_esp32:
         variant = get_esp32_variant()
-        if variant in NO_WIFI_VARIANTS:
-            raise cv.Invalid(f"{variant} does not support WiFi")
+        if variant in NO_WIFI_VARIANTS and "esp32_hosted" not in fv.full_config.get():
+            raise cv.Invalid(f"WiFi requires component esp32_hosted on {variant}")
 
 
 def final_validate(config):
diff --git a/esphome/dashboard/web_server.py b/esphome/dashboard/web_server.py
index fd16667d8a..294a180794 100644
--- a/esphome/dashboard/web_server.py
+++ b/esphome/dashboard/web_server.py
@@ -2,6 +2,7 @@ from __future__ import annotations
 
 import asyncio
 import base64
+import binascii
 from collections.abc import Callable, Iterable
 import datetime
 import functools
@@ -490,7 +491,17 @@ class WizardRequestHandler(BaseHandler):
         kwargs = {
             k: v
             for k, v in json.loads(self.request.body.decode()).items()
-            if k in ("name", "platform", "board", "ssid", "psk", "password")
+            if k
+            in (
+                "type",
+                "name",
+                "platform",
+                "board",
+                "ssid",
+                "psk",
+                "password",
+                "file_content",
+            )
         }
         if not kwargs["name"]:
             self.set_status(422)
@@ -498,19 +509,65 @@ class WizardRequestHandler(BaseHandler):
             self.write(json.dumps({"error": "Name is required"}))
             return
 
+        if "type" not in kwargs:
+            # Default to basic wizard type for backwards compatibility
+            kwargs["type"] = "basic"
+
         kwargs["friendly_name"] = kwargs["name"]
         kwargs["name"] = friendly_name_slugify(kwargs["friendly_name"])
-
-        kwargs["ota_password"] = secrets.token_hex(16)
-        noise_psk = secrets.token_bytes(32)
-        kwargs["api_encryption_key"] = base64.b64encode(noise_psk).decode()
+        if kwargs["type"] == "basic":
+            kwargs["ota_password"] = secrets.token_hex(16)
+            noise_psk = secrets.token_bytes(32)
+            kwargs["api_encryption_key"] = base64.b64encode(noise_psk).decode()
+        elif kwargs["type"] == "upload":
+            try:
+                kwargs["file_text"] = base64.b64decode(kwargs["file_content"]).decode(
+                    "utf-8"
+                )
+            except (binascii.Error, UnicodeDecodeError):
+                self.set_status(422)
+                self.set_header("content-type", "application/json")
+                self.write(
+                    json.dumps({"error": "The uploaded file is not correctly encoded."})
+                )
+                return
+        elif kwargs["type"] != "empty":
+            self.set_status(422)
+            self.set_header("content-type", "application/json")
+            self.write(
+                json.dumps(
+                    {"error": f"Invalid wizard type specified: {kwargs['type']}"}
+                )
+            )
+            return
         filename = f"{kwargs['name']}.yaml"
         destination = settings.rel_path(filename)
-        wizard.wizard_write(path=destination, **kwargs)
-        self.set_status(200)
-        self.set_header("content-type", "application/json")
-        self.write(json.dumps({"configuration": filename}))
-        self.finish()
+
+        # Check if destination file already exists
+        if os.path.exists(destination):
+            self.set_status(409)  # Conflict status code
+            self.set_header("content-type", "application/json")
+            self.write(
+                json.dumps({"error": f"Configuration file '{filename}' already exists"})
+            )
+            self.finish()
+            return
+
+        success = wizard.wizard_write(path=destination, **kwargs)
+        if success:
+            self.set_status(200)
+            self.set_header("content-type", "application/json")
+            self.write(json.dumps({"configuration": filename}))
+            self.finish()
+        else:
+            self.set_status(500)
+            self.set_header("content-type", "application/json")
+            self.write(
+                json.dumps(
+                    {"error": "Failed to write configuration, see logs for details"}
+                )
+            )
+            self.finish()
 
 
 class ImportRequestHandler(BaseHandler):
diff --git a/esphome/wizard.py b/esphome/wizard.py
index 8602e90222..cb599df59a 100644
--- a/esphome/wizard.py
+++ b/esphome/wizard.py
@@ -189,32 +189,45 @@ def wizard_write(path, **kwargs):
     from esphome.components.rtl87xx import boards as rtl87xx_boards
 
     name = kwargs["name"]
-    board = kwargs["board"]
+    if kwargs["type"] == "empty":
+        file_text = ""
+        # Will be updated later after editing the file
+        hardware = "UNKNOWN"
+    elif kwargs["type"] == "upload":
+        file_text = kwargs["file_text"]
+        hardware = "UNKNOWN"
+    else:  # "basic"
+        board = kwargs["board"]
 
-    for key in ("ssid", "psk", "password", "ota_password"):
-        if key in kwargs:
-            kwargs[key] = sanitize_double_quotes(kwargs[key])
+        for key in ("ssid", "psk", "password", "ota_password"):
+            if key in kwargs:
+                kwargs[key] = sanitize_double_quotes(kwargs[key])
+        if "platform" not in kwargs:
+            if board in esp8266_boards.BOARDS:
+                platform = "ESP8266"
+            elif board in esp32_boards.BOARDS:
+                platform = "ESP32"
+            elif board in rp2040_boards.BOARDS:
+                platform = "RP2040"
+            elif board in bk72xx_boards.BOARDS:
+                platform = "BK72XX"
+            elif board in ln882x_boards.BOARDS:
+                platform = "LN882X"
+            elif board in rtl87xx_boards.BOARDS:
+                platform = "RTL87XX"
+            else:
+                safe_print(color(AnsiFore.RED, f'The board "{board}" is unknown.'))
+                return False
+            kwargs["platform"] = platform
+        hardware = kwargs["platform"]
+        file_text = wizard_file(**kwargs)
 
-    if "platform" not in kwargs:
-        if board in esp8266_boards.BOARDS:
-            platform = "ESP8266"
-        elif board in esp32_boards.BOARDS:
-            platform = "ESP32"
-        elif board in rp2040_boards.BOARDS:
-            platform = "RP2040"
-        elif board in bk72xx_boards.BOARDS:
-            platform = "BK72XX"
-        elif board in ln882x_boards.BOARDS:
-            platform = "LN882X"
-        elif board in rtl87xx_boards.BOARDS:
-            platform = "RTL87XX"
-        else:
-            safe_print(color(AnsiFore.RED, f'The board "{board}" is unknown.'))
-            return False
-        kwargs["platform"] = platform
-    hardware = kwargs["platform"]
+    # Check if file already exists to prevent overwriting
+    if os.path.exists(path) and os.path.isfile(path):
+        safe_print(color(AnsiFore.RED, f'The file "{path}" already exists.'))
+        return False
 
-    write_file(path, wizard_file(**kwargs))
+    write_file(path, file_text)
     storage = StorageJSON.from_wizard(name, name, f"{name}.local", hardware)
     storage_path = ext_storage_path(os.path.basename(path))
     storage.save(storage_path)
diff --git a/esphome/writer.py b/esphome/writer.py
index 4b25a25f7e..b8fe44abdd 100644
--- a/esphome/writer.py
+++ b/esphome/writer.py
@@ -310,6 +310,10 @@ def clean_build():
     if os.path.isdir(piolibdeps):
         _LOGGER.info("Deleting %s", piolibdeps)
         shutil.rmtree(piolibdeps)
+    dependencies_lock = CORE.relative_build_path("dependencies.lock")
+    if os.path.isfile(dependencies_lock):
+        _LOGGER.info("Deleting %s", dependencies_lock)
+        os.remove(dependencies_lock)
 
 
 GITIGNORE_CONTENT = """# Gitignore settings for ESPHome
diff --git a/script/api_protobuf/api_protobuf.py b/script/api_protobuf/api_protobuf.py
index 511d70d3ec..205bac4937 100755
--- a/script/api_protobuf/api_protobuf.py
+++ b/script/api_protobuf/api_protobuf.py
@@ -1059,7 +1059,9 @@ def _generate_array_dump_content(
     # Check if underlying type can use dump_field
     if ti.can_use_dump_field():
         # For types that have dump_field overloads, use them with extra indent
-        o += f'  dump_field(out, "{name}", {ti.dump_field_value("it")}, 4);\n'
+        # std::vector<bool> iterators return proxy objects, need explicit cast
+        value_expr = "static_cast<bool>(it)" if is_bool else ti.dump_field_value("it")
+        o += f'  dump_field(out, "{name}", {value_expr}, 4);\n'
     else:
         # For complex types (messages, bytes), use the old pattern
         o += f'  out.append("  {name}: ");\n'
diff --git a/tests/integration/fixtures/parallel_script_delays.yaml b/tests/integration/fixtures/parallel_script_delays.yaml
index 6887045913..71d5b904e9 100644
--- a/tests/integration/fixtures/parallel_script_delays.yaml
+++ b/tests/integration/fixtures/parallel_script_delays.yaml
@@ -4,7 +4,7 @@ esphome:
 host:
 
 logger:
-  level: DEBUG
+  level: VERY_VERBOSE
 
 api:
   actions:
diff --git a/tests/unit_tests/test_wizard.py b/tests/unit_tests/test_wizard.py
index ab20b2abb5..fea2fb5558 100644
--- a/tests/unit_tests/test_wizard.py
+++ b/tests/unit_tests/test_wizard.py
@@ -17,6 +17,7 @@ import esphome.wizard as wz
 @pytest.fixture
 def default_config():
     return {
+        "type": "basic",
         "name": "test-name",
         "platform": "ESP8266",
         "board": "esp01_1m",
@@ -125,6 +126,47 @@ def test_wizard_write_sets_platform(default_config, tmp_path, monkeypatch):
     assert "esp8266:" in generated_config
 
 
+def test_wizard_empty_config(tmp_path, monkeypatch):
+    """
+    The wizard should be able to create an empty configuration
+    """
+    # Given
+    empty_config = {
+        "type": "empty",
+        "name": "test-empty",
+    }
+    monkeypatch.setattr(wz, "write_file", MagicMock())
+    monkeypatch.setattr(CORE, "config_path", os.path.dirname(tmp_path))
+
+    # When
+    wz.wizard_write(tmp_path, **empty_config)
+
+    # Then
+    generated_config = wz.write_file.call_args.args[1]
+    assert generated_config == ""
+
+
+def test_wizard_upload_config(tmp_path, monkeypatch):
+    """
+    The wizard should be able to import an base64 encoded configuration
+    """
+    # Given
+    empty_config = {
+        "type": "upload",
+        "name": "test-upload",
+        "file_text": "# imported file 📁\n\n",
+    }
+    monkeypatch.setattr(wz, "write_file", MagicMock())
+    monkeypatch.setattr(CORE, "config_path", os.path.dirname(tmp_path))
+
+    # When
+    wz.wizard_write(tmp_path, **empty_config)
+
+    # Then
+    generated_config = wz.write_file.call_args.args[1]
+    assert generated_config == "# imported file 📁\n\n"
+
+
 def test_wizard_write_defaults_platform_from_board_esp8266(
     default_config, tmp_path, monkeypatch
 ):
@@ -471,3 +513,22 @@ def test_wizard_requires_valid_ssid(tmpdir, monkeypatch, wizard_answers):
 
     # Then
     assert retval == 0
+
+
+def test_wizard_write_protects_existing_config(tmpdir, default_config, monkeypatch):
+    """
+    The wizard_write function should not overwrite existing config files and return False
+    """
+    # Given
+    config_file = tmpdir.join("test.yaml")
+    original_content = "# Original config content\n"
+    config_file.write(original_content)
+
+    monkeypatch.setattr(CORE, "config_path", str(tmpdir))
+
+    # When
+    result = wz.wizard_write(str(config_file), **default_config)
+
+    # Then
+    assert result is False  # Should return False when file exists
+    assert config_file.read() == original_content