Revert early returns in process_active_iterator_()

The if/else pattern produces smaller code than early returns.

esphome/__main__.py

@@ -965,38 +965,6 @@ def command_clean(args: ArgsProtocol, config: ConfigType) -> int | None:
     return 0
 
 
-def command_bundle(args: ArgsProtocol, config: ConfigType) -> int | None:
-    from esphome.bundle import BUNDLE_EXTENSION, ConfigBundleCreator
-
-    creator = ConfigBundleCreator(config)
-
-    if args.list_only:
-        files = creator.discover_files()
-        for bf in sorted(files, key=lambda f: f.path):
-            safe_print(f"  {bf.path}")
-        _LOGGER.info("Found %d files", len(files))
-        return 0
-
-    result = creator.create_bundle()
-
-    if args.output:
-        output_path = Path(args.output)
-    else:
-        stem = CORE.config_path.stem
-        output_path = CORE.config_dir / f"{stem}{BUNDLE_EXTENSION}"
-
-    output_path.parent.mkdir(parents=True, exist_ok=True)
-    output_path.write_bytes(result.data)
-
-    _LOGGER.info(
-        "Bundle created: %s (%d files, %.1f KB)",
-        output_path,
-        len(result.files),
-        len(result.data) / 1024,
-    )
-    return 0
-
-
 def command_dashboard(args: ArgsProtocol) -> int | None:
     from esphome.dashboard import dashboard
 
@@ -1274,7 +1242,6 @@ POST_CONFIG_ACTIONS = {
     "rename": command_rename,
     "discover": command_discover,
     "analyze-memory": command_analyze_memory,
-    "bundle": command_bundle,
 }
 
 SIMPLE_CONFIG_ACTIONS = [
@@ -1578,24 +1545,6 @@ def parse_args(argv):
         "configuration", help="Your YAML configuration file(s).", nargs="+"
     )
 
-    parser_bundle = subparsers.add_parser(
-        "bundle",
-        help="Create a self-contained config bundle for remote compilation.",
-    )
-    parser_bundle.add_argument(
-        "configuration", help="Your YAML configuration file(s).", nargs="+"
-    )
-    parser_bundle.add_argument(
-        "-o",
-        "--output",
-        help="Output path for the bundle archive.",
-    )
-    parser_bundle.add_argument(
-        "--list-only",
-        help="List discovered files without creating the archive.",
-        action="store_true",
-    )
-
     # Keep backward compatibility with the old command line format of
     # esphome <config> <command>.
     #
@@ -1674,16 +1623,6 @@ def run_esphome(argv):
         _LOGGER.warning("Skipping secrets file %s", conf_path)
         return 0
 
-    # Bundle support: if the configuration is a .esphomebundle, extract it
-    # and rewrite conf_path to the extracted YAML config.
-    from esphome.bundle import is_bundle_path, prepare_bundle_for_compile
-
-    if is_bundle_path(conf_path):
-        _LOGGER.info("Extracting config bundle %s...", conf_path)
-        conf_path = prepare_bundle_for_compile(conf_path)
-        # Update the argument so downstream code sees the extracted path
-        args.configuration[0] = str(conf_path)
-
     CORE.config_path = conf_path
     CORE.dashboard = args.dashboard
 

esphome/bundle.py

@@ -1,699 +0,0 @@
-"""Config bundle creator and extractor for ESPHome.
-
-A bundle is a self-contained .tar.gz archive containing a YAML config
-and every local file it depends on. Bundles can be created from a config
-and compiled directly: ``esphome compile my_device.esphomebundle.tar.gz``
-"""
-
-from __future__ import annotations
-
-from dataclasses import dataclass
-from enum import StrEnum
-import io
-import json
-import logging
-from pathlib import Path
-import re
-import shutil
-import tarfile
-from typing import Any
-
-from esphome import const, yaml_util
-from esphome.const import (
-    CONF_ESPHOME,
-    CONF_EXTERNAL_COMPONENTS,
-    CONF_INCLUDES,
-    CONF_INCLUDES_C,
-    CONF_PATH,
-    CONF_SOURCE,
-    CONF_TYPE,
-)
-from esphome.core import CORE, EsphomeError
-
-_LOGGER = logging.getLogger(__name__)
-
-BUNDLE_EXTENSION = ".esphomebundle.tar.gz"
-MANIFEST_FILENAME = "manifest.json"
-CURRENT_MANIFEST_VERSION = 1
-MAX_DECOMPRESSED_SIZE = 500 * 1024 * 1024  # 500 MB
-MAX_MANIFEST_SIZE = 1024 * 1024  # 1 MB
-
-# Directories preserved across bundle extractions (build caches)
-_PRESERVE_DIRS = (".esphome", ".pioenvs", ".pio")
-_BUNDLE_STAGING_DIR = ".bundle_staging"
-
-
-class ManifestKey(StrEnum):
-    """Keys used in bundle manifest.json."""
-
-    MANIFEST_VERSION = "manifest_version"
-    ESPHOME_VERSION = "esphome_version"
-    CONFIG_FILENAME = "config_filename"
-    FILES = "files"
-    HAS_SECRETS = "has_secrets"
-
-
-# String prefixes that are never local file paths
-_NON_PATH_PREFIXES = ("http://", "https://", "ftp://", "mdi:", "<")
-
-# File extensions recognized when resolving relative path strings.
-# A relative string with one of these extensions is resolved against the
-# config directory and included if the file exists.
-_KNOWN_FILE_EXTENSIONS = frozenset(
-    {
-        # Fonts
-        ".ttf",
-        ".otf",
-        ".woff",
-        ".woff2",
-        ".pcf",
-        ".bdf",
-        # Images
-        ".png",
-        ".jpg",
-        ".jpeg",
-        ".bmp",
-        ".gif",
-        ".svg",
-        ".ico",
-        ".webp",
-        # Certificates
-        ".pem",
-        ".crt",
-        ".key",
-        ".der",
-        ".p12",
-        ".pfx",
-        # C/C++ includes
-        ".h",
-        ".hpp",
-        ".c",
-        ".cpp",
-        ".ino",
-        # Web assets
-        ".css",
-        ".js",
-        ".html",
-    }
-)
-
-
-# Matches !secret references in YAML text.  This is intentionally a simple
-# regex scan rather than a YAML parse — it may match inside comments or
-# multi-line strings, which is the conservative direction (include more
-# secrets rather than fewer).
-_SECRET_RE = re.compile(r"!secret\s+(\S+)")
-
-
-def _find_used_secret_keys(yaml_files: list[Path]) -> set[str]:
-    """Scan YAML files for ``!secret <key>`` references."""
-    keys: set[str] = set()
-    for fpath in yaml_files:
-        try:
-            text = fpath.read_text(encoding="utf-8")
-        except (OSError, UnicodeDecodeError):
-            continue
-        for match in _SECRET_RE.finditer(text):
-            keys.add(match.group(1))
-    return keys
-
-
-@dataclass
-class BundleFile:
-    """A file to include in the bundle."""
-
-    path: str  # Relative path inside the archive
-    source: Path  # Absolute path on disk
-
-
-@dataclass
-class BundleResult:
-    """Result of creating a bundle."""
-
-    data: bytes
-    manifest: dict[str, Any]
-    files: list[BundleFile]
-
-
-@dataclass
-class BundleManifest:
-    """Parsed and validated bundle manifest."""
-
-    manifest_version: int
-    esphome_version: str
-    config_filename: str
-    files: list[str]
-    has_secrets: bool
-
-
-class ConfigBundleCreator:
-    """Creates a self-contained bundle from an ESPHome config."""
-
-    def __init__(self, config: dict[str, Any]) -> None:
-        self._config = config
-        self._config_dir = CORE.config_dir
-        self._config_path = CORE.config_path
-        self._files: list[BundleFile] = []
-        self._seen_paths: set[Path] = set()
-        self._secrets_paths: set[Path] = set()
-
-    def discover_files(self) -> list[BundleFile]:
-        """Discover all files needed for the bundle."""
-        self._files = []
-        self._seen_paths = set()
-        self._secrets_paths = set()
-
-        # The main config file
-        self._add_file(self._config_path)
-
-        # Phase 1: YAML includes (tracked during config loading)
-        self._discover_yaml_includes()
-
-        # Phase 2: Component-referenced files from validated config
-        self._discover_component_files()
-
-        return list(self._files)
-
-    def create_bundle(self) -> BundleResult:
-        """Create the bundle archive."""
-        files = self.discover_files()
-
-        # Determine which secret keys are actually referenced by the
-        # bundled YAML files so we only ship those, not the entire
-        # secrets.yaml which may contain secrets for other devices.
-        yaml_sources = [
-            bf.source for bf in files if bf.source.suffix in (".yaml", ".yml")
-        ]
-        used_secret_keys = _find_used_secret_keys(yaml_sources)
-        filtered_secrets = self._build_filtered_secrets(used_secret_keys)
-
-        has_secrets = bool(filtered_secrets)
-        if has_secrets:
-            _LOGGER.warning(
-                "Bundle contains secrets (e.g. Wi-Fi passwords). "
-                "Do not share it with untrusted parties."
-            )
-
-        manifest = self._build_manifest(files, has_secrets=has_secrets)
-
-        buf = io.BytesIO()
-        with tarfile.open(fileobj=buf, mode="w:gz") as tar:
-            # Add manifest first
-            manifest_data = json.dumps(manifest, indent=2).encode("utf-8")
-            _add_bytes_to_tar(tar, MANIFEST_FILENAME, manifest_data)
-
-            # Add filtered secrets files
-            for rel_path, data in sorted(filtered_secrets.items()):
-                _add_bytes_to_tar(tar, rel_path, data)
-
-            # Add files in sorted order for determinism, skipping secrets
-            # files which were already added above with filtered content
-            for bf in sorted(files, key=lambda f: f.path):
-                if bf.source in self._secrets_paths:
-                    continue
-                self._add_to_tar(tar, bf)
-
-        return BundleResult(data=buf.getvalue(), manifest=manifest, files=files)
-
-    def _add_file(self, abs_path: Path) -> bool:
-        """Add a file to the bundle. Returns False if already added."""
-        abs_path = abs_path.resolve()
-        if abs_path in self._seen_paths:
-            return False
-        if not abs_path.is_file():
-            _LOGGER.warning("Bundle: skipping missing file %s", abs_path)
-            return False
-
-        rel_path = self._relative_to_config_dir(abs_path)
-        if rel_path is None:
-            _LOGGER.warning(
-                "Bundle: skipping file outside config directory: %s", abs_path
-            )
-            return False
-
-        self._seen_paths.add(abs_path)
-        self._files.append(BundleFile(path=rel_path, source=abs_path))
-        return True
-
-    def _add_directory(self, abs_path: Path) -> None:
-        """Recursively add all files in a directory."""
-        abs_path = abs_path.resolve()
-        if not abs_path.is_dir():
-            _LOGGER.warning("Bundle: skipping missing directory %s", abs_path)
-            return
-        for child in sorted(abs_path.rglob("*")):
-            if child.is_file() and "__pycache__" not in child.parts:
-                self._add_file(child)
-
-    def _relative_to_config_dir(self, abs_path: Path) -> str | None:
-        """Get a path relative to the config directory. Returns None if outside.
-
-        Always uses forward slashes for consistency in tar archives.
-        """
-        try:
-            return abs_path.relative_to(self._config_dir).as_posix()
-        except ValueError:
-            return None
-
-    def _discover_yaml_includes(self) -> None:
-        """Discover YAML files loaded during config parsing.
-
-        We track files by wrapping _load_yaml_internal. The config has already
-        been loaded at this point (bundle is a POST_CONFIG_ACTION), so we
-        re-load just to discover the file list.
-
-        Secrets files are tracked separately so we can filter them to
-        only include the keys this config actually references.
-        """
-        with yaml_util.track_yaml_loads() as loaded_files:
-            try:
-                yaml_util.load_yaml(self._config_path)
-            except EsphomeError:
-                _LOGGER.debug(
-                    "Bundle: re-loading YAML for include discovery failed, "
-                    "proceeding with partial file list"
-                )
-
-        for fpath in loaded_files:
-            if fpath == self._config_path.resolve():
-                continue  # Already added as config
-            if fpath.name in const.SECRETS_FILES:
-                self._secrets_paths.add(fpath)
-            self._add_file(fpath)
-
-    def _discover_component_files(self) -> None:
-        """Walk the validated config for file references.
-
-        Uses a generic recursive walk to find file paths instead of
-        hardcoding per-component knowledge about config dict formats.
-        After validation, components typically resolve paths to absolute
-        using CORE.relative_config_path() or cv.file_(). Relative paths
-        with known file extensions are also resolved and checked.
-
-        Core ESPHome concepts that use relative paths or directories
-        are handled explicitly.
-        """
-        config = self._config
-
-        # Generic walk: find all file paths in the validated config
-        self._walk_config_for_files(config)
-
-        # --- Core ESPHome concepts needing explicit handling ---
-
-        # esphome.includes / includes_c - can be relative paths and directories
-        esphome_conf = config.get(CONF_ESPHOME, {})
-        for include_path in esphome_conf.get(CONF_INCLUDES, []):
-            resolved = _resolve_include_path(include_path)
-            if resolved is None:
-                continue
-            if resolved.is_dir():
-                self._add_directory(resolved)
-            else:
-                self._add_file(resolved)
-        for include_path in esphome_conf.get(CONF_INCLUDES_C, []):
-            resolved = _resolve_include_path(include_path)
-            if resolved is not None:
-                self._add_file(resolved)
-
-        # external_components with source: local - directories
-        for ext_conf in config.get(CONF_EXTERNAL_COMPONENTS, []):
-            source = ext_conf.get(CONF_SOURCE, {})
-            if not isinstance(source, dict):
-                continue
-            if source.get(CONF_TYPE) != "local":
-                continue
-            path = source.get(CONF_PATH)
-            if not path:
-                continue
-            p = Path(path)
-            if not p.is_absolute():
-                p = CORE.relative_config_path(p)
-            self._add_directory(p)
-
-    def _walk_config_for_files(self, obj: Any) -> None:
-        """Recursively walk the config dict looking for file path references."""
-        if isinstance(obj, dict):
-            for value in obj.values():
-                self._walk_config_for_files(value)
-        elif isinstance(obj, (list, tuple)):
-            for item in obj:
-                self._walk_config_for_files(item)
-        elif isinstance(obj, Path):
-            if obj.is_absolute() and obj.is_file():
-                self._add_file(obj)
-        elif isinstance(obj, str):
-            self._check_string_path(obj)
-
-    def _check_string_path(self, value: str) -> None:
-        """Check if a string value is a local file reference."""
-        # Fast exits for strings that cannot be file paths
-        if len(value) < 2 or "\n" in value:
-            return
-        if value.startswith(_NON_PATH_PREFIXES):
-            return
-        # File paths must contain a path separator or a dot (for extension)
-        if "/" not in value and "\\" not in value and "." not in value:
-            return
-
-        p = Path(value)
-
-        # Absolute path - check if it points to an existing file
-        if p.is_absolute():
-            if p.is_file():
-                self._add_file(p)
-            return
-
-        # Relative path with a known file extension - likely a component
-        # validator that forgot to resolve to absolute via cv.file_() or
-        # CORE.relative_config_path(). Warn and try to resolve.
-        if p.suffix.lower() in _KNOWN_FILE_EXTENSIONS:
-            _LOGGER.warning(
-                "Bundle: non-absolute path in validated config: %s "
-                "(component validator should return absolute paths)",
-                value,
-            )
-            resolved = CORE.relative_config_path(p)
-            if resolved.is_file():
-                self._add_file(resolved)
-
-    def _build_filtered_secrets(self, used_keys: set[str]) -> dict[str, bytes]:
-        """Build filtered secrets files containing only the referenced keys.
-
-        Returns a dict mapping relative archive path to YAML bytes.
-        """
-        if not used_keys or not self._secrets_paths:
-            return {}
-
-        result: dict[str, bytes] = {}
-        for secrets_path in self._secrets_paths:
-            rel_path = self._relative_to_config_dir(secrets_path)
-            if rel_path is None:
-                continue
-            try:
-                all_secrets = yaml_util.load_yaml(secrets_path, clear_secrets=False)
-            except EsphomeError:
-                _LOGGER.warning("Bundle: failed to load secrets file %s", secrets_path)
-                continue
-            if not isinstance(all_secrets, dict):
-                continue
-            filtered = {k: v for k, v in all_secrets.items() if k in used_keys}
-            if filtered:
-                data = yaml_util.dump(filtered, show_secrets=True).encode("utf-8")
-                result[rel_path] = data
-        return result
-
-    def _build_manifest(
-        self, files: list[BundleFile], *, has_secrets: bool
-    ) -> dict[str, Any]:
-        """Build the manifest.json content."""
-        return {
-            ManifestKey.MANIFEST_VERSION: CURRENT_MANIFEST_VERSION,
-            ManifestKey.ESPHOME_VERSION: const.__version__,
-            ManifestKey.CONFIG_FILENAME: self._config_path.name,
-            ManifestKey.FILES: [f.path for f in files],
-            ManifestKey.HAS_SECRETS: has_secrets,
-        }
-
-    @staticmethod
-    def _add_to_tar(tar: tarfile.TarFile, bf: BundleFile) -> None:
-        """Add a BundleFile to the tar archive with deterministic metadata."""
-        with open(bf.source, "rb") as f:
-            _add_bytes_to_tar(tar, bf.path, f.read())
-
-
-def extract_bundle(
-    bundle_path: Path,
-    target_dir: Path | None = None,
-) -> Path:
-    """Extract a bundle archive and return the path to the config YAML.
-
-    Sanity checks reject path traversal, symlinks, absolute paths, and
-    oversized archives to prevent accidental file overwrites or extraction
-    outside the target directory.  These are **not** a security boundary —
-    bundles are assumed to come from the user's own machine or a trusted
-    build pipeline.
-
-    Args:
-        bundle_path: Path to the .tar.gz bundle file.
-        target_dir: Directory to extract into. If None, extracts next to
-                     the bundle file in a directory named after it.
-
-    Returns:
-        Absolute path to the extracted config YAML file.
-
-    Raises:
-        EsphomeError: If the bundle is invalid or extraction fails.
-    """
-
-    bundle_path = bundle_path.resolve()
-    if not bundle_path.is_file():
-        raise EsphomeError(f"Bundle file not found: {bundle_path}")
-
-    if target_dir is None:
-        target_dir = _default_target_dir(bundle_path)
-
-    target_dir = target_dir.resolve()
-    target_dir.mkdir(parents=True, exist_ok=True)
-
-    # Read and validate the archive
-    try:
-        with tarfile.open(bundle_path, "r:gz") as tar:
-            manifest = _read_manifest_from_tar(tar)
-            _validate_tar_members(tar, target_dir)
-            tar.extractall(path=target_dir, filter="data")
-    except tarfile.TarError as err:
-        raise EsphomeError(f"Failed to extract bundle: {err}") from err
-
-    config_filename = manifest[ManifestKey.CONFIG_FILENAME]
-    config_path = target_dir / config_filename
-    if not config_path.is_file():
-        raise EsphomeError(
-            f"Bundle manifest references config '{config_filename}' "
-            f"but it was not found in the archive"
-        )
-
-    return config_path
-
-
-def read_bundle_manifest(bundle_path: Path) -> BundleManifest:
-    """Read and validate the manifest from a bundle without full extraction.
-
-    Args:
-        bundle_path: Path to the .tar.gz bundle file.
-
-    Returns:
-        Parsed BundleManifest.
-
-    Raises:
-        EsphomeError: If the manifest is missing, invalid, or version unsupported.
-    """
-
-    try:
-        with tarfile.open(bundle_path, "r:gz") as tar:
-            manifest = _read_manifest_from_tar(tar)
-    except tarfile.TarError as err:
-        raise EsphomeError(f"Failed to read bundle: {err}") from err
-
-    return BundleManifest(
-        manifest_version=manifest[ManifestKey.MANIFEST_VERSION],
-        esphome_version=manifest.get(ManifestKey.ESPHOME_VERSION, "unknown"),
-        config_filename=manifest[ManifestKey.CONFIG_FILENAME],
-        files=manifest.get(ManifestKey.FILES, []),
-        has_secrets=manifest.get(ManifestKey.HAS_SECRETS, False),
-    )
-
-
-def _read_manifest_from_tar(tar: tarfile.TarFile) -> dict[str, Any]:
-    """Read and validate manifest.json from an open tar archive."""
-
-    try:
-        member = tar.getmember(MANIFEST_FILENAME)
-    except KeyError:
-        raise EsphomeError("Invalid bundle: missing manifest.json") from None
-
-    f = tar.extractfile(member)
-    if f is None:
-        raise EsphomeError("Invalid bundle: manifest.json is not a regular file")
-
-    if member.size > MAX_MANIFEST_SIZE:
-        raise EsphomeError(
-            f"Invalid bundle: manifest.json too large "
-            f"({member.size} bytes, max {MAX_MANIFEST_SIZE})"
-        )
-
-    try:
-        manifest = json.loads(f.read())
-    except (json.JSONDecodeError, UnicodeDecodeError) as err:
-        raise EsphomeError(f"Invalid bundle: malformed manifest.json: {err}") from err
-
-    # Version check
-    version = manifest.get(ManifestKey.MANIFEST_VERSION)
-    if version is None:
-        raise EsphomeError("Invalid bundle: manifest.json missing 'manifest_version'")
-    if not isinstance(version, int) or version < 1:
-        raise EsphomeError(
-            f"Invalid bundle: manifest_version must be a positive integer, got {version!r}"
-        )
-    if version > CURRENT_MANIFEST_VERSION:
-        raise EsphomeError(
-            f"Bundle manifest version {version} is newer than this ESPHome "
-            f"version supports (max {CURRENT_MANIFEST_VERSION}). "
-            f"Please upgrade ESPHome to compile this bundle."
-        )
-
-    # Required fields
-    if ManifestKey.CONFIG_FILENAME not in manifest:
-        raise EsphomeError("Invalid bundle: manifest.json missing 'config_filename'")
-
-    return manifest
-
-
-def _validate_tar_members(tar: tarfile.TarFile, target_dir: Path) -> None:
-    """Sanity-check tar members to prevent mistakes and accidental overwrites.
-
-    This is not a security boundary — bundles are created locally or come
-    from a trusted build pipeline.  The checks catch malformed archives
-    and common mistakes (stray absolute paths, ``..`` components) that
-    could silently overwrite unrelated files.
-    """
-
-    total_size = 0
-    for member in tar.getmembers():
-        # Reject absolute paths (Unix and Windows)
-        if member.name.startswith(("/", "\\")):
-            raise EsphomeError(
-                f"Invalid bundle: absolute path in archive: {member.name}"
-            )
-
-        # Reject path traversal (split on both / and \ for cross-platform)
-        parts = re.split(r"[/\\]", member.name)
-        if ".." in parts:
-            raise EsphomeError(
-                f"Invalid bundle: path traversal in archive: {member.name}"
-            )
-
-        # Reject symlinks
-        if member.issym() or member.islnk():
-            raise EsphomeError(f"Invalid bundle: symlink in archive: {member.name}")
-
-        # Ensure extraction stays within target_dir
-        target_path = (target_dir / member.name).resolve()
-        if not target_path.is_relative_to(target_dir):
-            raise EsphomeError(
-                f"Invalid bundle: file would extract outside target: {member.name}"
-            )
-
-        # Track total decompressed size
-        total_size += member.size
-        if total_size > MAX_DECOMPRESSED_SIZE:
-            raise EsphomeError(
-                f"Invalid bundle: decompressed size exceeds "
-                f"{MAX_DECOMPRESSED_SIZE // (1024 * 1024)}MB limit"
-            )
-
-
-def is_bundle_path(path: Path) -> bool:
-    """Check if a path looks like a bundle file."""
-    return path.name.lower().endswith(BUNDLE_EXTENSION)
-
-
-def _add_bytes_to_tar(tar: tarfile.TarFile, name: str, data: bytes) -> None:
-    """Add in-memory bytes to a tar archive with deterministic metadata."""
-    info = tarfile.TarInfo(name=name)
-    info.size = len(data)
-    info.mtime = 0
-    info.uid = 0
-    info.gid = 0
-    info.mode = 0o644
-    tar.addfile(info, io.BytesIO(data))
-
-
-def _resolve_include_path(include_path: Any) -> Path | None:
-    """Resolve an include path to absolute, skipping system includes."""
-    if isinstance(include_path, str) and include_path.startswith("<"):
-        return None  # System include, not a local file
-    p = Path(include_path)
-    if not p.is_absolute():
-        p = CORE.relative_config_path(p)
-    return p
-
-
-def _default_target_dir(bundle_path: Path) -> Path:
-    """Compute the default extraction directory for a bundle."""
-    name = bundle_path.name
-    if name.lower().endswith(BUNDLE_EXTENSION):
-        name = name[: -len(BUNDLE_EXTENSION)]
-    return bundle_path.parent / name
-
-
-def _restore_preserved_dirs(preserved: dict[str, Path], target_dir: Path) -> None:
-    """Move preserved build cache directories back into target_dir.
-
-    If the bundle contained entries under a preserved directory name,
-    the extracted copy is removed so the original cache always wins.
-    """
-    for dirname, src in preserved.items():
-        dst = target_dir / dirname
-        if dst.exists():
-            shutil.rmtree(dst)
-        shutil.move(str(src), str(dst))
-
-
-def prepare_bundle_for_compile(
-    bundle_path: Path,
-    target_dir: Path | None = None,
-) -> Path:
-    """Extract a bundle for compilation, preserving build caches.
-
-    Unlike extract_bundle(), this preserves .esphome/ and .pioenvs/
-    directories in the target if they already exist (for incremental builds).
-
-    Args:
-        bundle_path: Path to the .tar.gz bundle file.
-        target_dir: Directory to extract into. Must be specified for
-                     build server use.
-
-    Returns:
-        Absolute path to the extracted config YAML file.
-    """
-
-    bundle_path = bundle_path.resolve()
-    if not bundle_path.is_file():
-        raise EsphomeError(f"Bundle file not found: {bundle_path}")
-
-    if target_dir is None:
-        target_dir = _default_target_dir(bundle_path)
-
-    target_dir = target_dir.resolve()
-    target_dir.mkdir(parents=True, exist_ok=True)
-
-    preserved: dict[str, Path] = {}
-
-    # Temporarily move preserved dirs out of the way
-    staging = target_dir / _BUNDLE_STAGING_DIR
-    for dirname in _PRESERVE_DIRS:
-        src = target_dir / dirname
-        if src.is_dir():
-            dst = staging / dirname
-            dst.parent.mkdir(parents=True, exist_ok=True)
-            shutil.move(str(src), str(dst))
-            preserved[dirname] = dst
-
-    try:
-        # Clean non-preserved content and extract fresh
-        for item in target_dir.iterdir():
-            if item.name == _BUNDLE_STAGING_DIR:
-                continue
-            if item.is_dir():
-                shutil.rmtree(item)
-            else:
-                item.unlink()
-
-        config_path = extract_bundle(bundle_path, target_dir)
-    finally:
-        # Restore preserved dirs (idempotent) and clean staging
-        _restore_preserved_dirs(preserved, target_dir)
-        if staging.is_dir():
-            shutil.rmtree(staging)
-
-    return config_path

esphome/components/api/api_connection.cpp

@@ -219,35 +219,8 @@ void APIConnection::loop() {
     this->process_batch_();
   }
 
-  switch (this->active_iterator_) {
-    case ActiveIterator::LIST_ENTITIES:
-      if (this->iterator_storage_.list_entities.completed()) {
-        this->destroy_active_iterator_();
-        if (this->flags_.state_subscription) {
-          this->begin_iterator_(ActiveIterator::INITIAL_STATE);
-        }
-      } else {
-        this->process_iterator_batch_(this->iterator_storage_.list_entities);
-      }
-      break;
-    case ActiveIterator::INITIAL_STATE:
-      if (this->iterator_storage_.initial_state.completed()) {
-        this->destroy_active_iterator_();
-        // Process any remaining batched messages immediately
-        if (!this->deferred_batch_.empty()) {
-          this->process_batch_();
-        }
-        // Now that everything is sent, enable immediate sending for future state changes
-        this->flags_.should_try_send_immediately = true;
-        // Release excess memory from buffers that grew during initial sync
-        this->deferred_batch_.release_buffer();
-        this->helper_->release_buffers();
-      } else {
-        this->process_iterator_batch_(this->iterator_storage_.initial_state);
-      }
-      break;
-    case ActiveIterator::NONE:
-      break;
+  if (this->active_iterator_ != ActiveIterator::NONE) {
+    this->process_active_iterator_();
   }
 
   if (this->flags_.sent_ping) {
@@ -283,6 +256,49 @@ void APIConnection::loop() {
 #endif
 }
 
+void APIConnection::process_active_iterator_() {
+  // Caller ensures active_iterator_ != NONE
+  if (this->active_iterator_ == ActiveIterator::LIST_ENTITIES) {
+    if (this->iterator_storage_.list_entities.completed()) {
+      this->destroy_active_iterator_();
+      if (this->flags_.state_subscription) {
+        this->begin_iterator_(ActiveIterator::INITIAL_STATE);
+      }
+    } else {
+      this->process_iterator_batch_(this->iterator_storage_.list_entities);
+    }
+  } else {  // INITIAL_STATE
+    if (this->iterator_storage_.initial_state.completed()) {
+      this->destroy_active_iterator_();
+      // Process any remaining batched messages immediately
+      if (!this->deferred_batch_.empty()) {
+        this->process_batch_();
+      }
+      // Now that everything is sent, enable immediate sending for future state changes
+      this->flags_.should_try_send_immediately = true;
+      // Release excess memory from buffers that grew during initial sync
+      this->deferred_batch_.release_buffer();
+      this->helper_->release_buffers();
+    } else {
+      this->process_iterator_batch_(this->iterator_storage_.initial_state);
+    }
+  }
+}
+
+void APIConnection::process_iterator_batch_(ComponentIterator &iterator) {
+  size_t initial_size = this->deferred_batch_.size();
+  size_t max_batch = this->get_max_batch_size_();
+  while (!iterator.completed() && (this->deferred_batch_.size() - initial_size) < max_batch) {
+    iterator.advance();
+  }
+
+  // If the batch is full, process it immediately
+  // Note: iterator.advance() already calls schedule_batch_() via schedule_message_()
+  if (this->deferred_batch_.size() >= max_batch) {
+    this->process_batch_();
+  }
+}
+
 bool APIConnection::send_disconnect_response_() {
   // remote initiated disconnect_client
   // don't close yet, we still need to send the disconnect response

esphome/components/api/api_connection.h

@@ -15,6 +15,10 @@
 #include <limits>
 #include <vector>
 
+namespace esphome {
+class ComponentIterator;
+}  // namespace esphome
+
 namespace esphome::api {
 
 // Keepalive timeout in milliseconds
@@ -364,20 +368,13 @@ class APIConnection final : public APIServerConnectionBase {
     return this->client_supports_api_version(1, 14) ? MAX_INITIAL_PER_BATCH : MAX_INITIAL_PER_BATCH_LEGACY;
   }
 
-  // Helper method to process multiple entities from an iterator in a batch
-  template<typename Iterator> void process_iterator_batch_(Iterator &iterator) {
-    size_t initial_size = this->deferred_batch_.size();
-    size_t max_batch = this->get_max_batch_size_();
-    while (!iterator.completed() && (this->deferred_batch_.size() - initial_size) < max_batch) {
-      iterator.advance();
-    }
+  // Process active iterator (list_entities/initial_state) during connection setup.
+  // Extracted from loop() — only runs during initial handshake, NONE in steady state.
+  void __attribute__((noinline)) process_active_iterator_();
 
-    // If the batch is full, process it immediately
-    // Note: iterator.advance() already calls schedule_batch_() via schedule_message_()
-    if (this->deferred_batch_.size() >= max_batch) {
-      this->process_batch_();
-    }
-  }
+  // Helper method to process multiple entities from an iterator in a batch.
+  // Takes ComponentIterator base class reference to avoid duplicate template instantiations.
+  void process_iterator_batch_(ComponentIterator &iterator);
 
 #ifdef USE_BINARY_SENSOR
   static uint16_t try_send_binary_sensor_state(EntityBase *entity, APIConnection *conn, uint32_t remaining_size);

esphome/components/api/list_entities.h

@@ -94,7 +94,6 @@ class ListEntitiesIterator : public ComponentIterator {
   bool on_update(update::UpdateEntity *entity) override;
 #endif
   bool on_end() override;
-  bool completed() { return this->state_ == IteratorState::NONE; }
 
  protected:
   APIConnection *client_;

esphome/components/api/subscribe_state.h

@@ -88,7 +88,6 @@ class InitialStateIterator : public ComponentIterator {
 #ifdef USE_UPDATE
   bool on_update(update::UpdateEntity *entity) override;
 #endif
-  bool completed() { return this->state_ == IteratorState::NONE; }
 
  protected:
   APIConnection *client_;

esphome/components/aqi/aqi_calculator.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <algorithm>
 #include <cmath>
 #include <limits>
 #include "abstract_aqi_calculator.h"
@@ -14,7 +15,11 @@ class AQICalculator : public AbstractAQICalculator {
     float pm2_5_index = calculate_index(pm2_5_value, PM2_5_GRID);
     float pm10_0_index = calculate_index(pm10_0_value, PM10_0_GRID);
 
-    return static_cast<uint16_t>(std::round((pm2_5_index < pm10_0_index) ? pm10_0_index : pm2_5_index));
+    float aqi = std::max(pm2_5_index, pm10_0_index);
+    if (aqi < 0.0f) {
+      aqi = 0.0f;
+    }
+    return static_cast<uint16_t>(std::lround(aqi));
   }
 
  protected:
@@ -22,13 +27,27 @@ class AQICalculator : public AbstractAQICalculator {
 
   static constexpr int INDEX_GRID[NUM_LEVELS][2] = {{0, 50}, {51, 100}, {101, 150}, {151, 200}, {201, 300}, {301, 500}};
 
-  static constexpr float PM2_5_GRID[NUM_LEVELS][2] = {{0.0f, 9.0f},     {9.1f, 35.4f},
-                                                      {35.5f, 55.4f},   {55.5f, 125.4f},
-                                                      {125.5f, 225.4f}, {225.5f, std::numeric_limits<float>::max()}};
+  static constexpr float PM2_5_GRID[NUM_LEVELS][2] = {
+      // clang-format off
+      {0.0f, 9.1f},
+      {9.1f, 35.5f},
+      {35.5f, 55.5f},
+      {55.5f, 125.5f},
+      {125.5f, 225.5f},
+      {225.5f, std::numeric_limits<float>::max()}
+      // clang-format on
+  };
 
-  static constexpr float PM10_0_GRID[NUM_LEVELS][2] = {{0.0f, 54.0f},    {55.0f, 154.0f},
-                                                       {155.0f, 254.0f}, {255.0f, 354.0f},
-                                                       {355.0f, 424.0f}, {425.0f, std::numeric_limits<float>::max()}};
+  static constexpr float PM10_0_GRID[NUM_LEVELS][2] = {
+      // clang-format off
+      {0.0f, 55.0f},
+      {55.0f, 155.0f},
+      {155.0f, 255.0f},
+      {255.0f, 355.0f},
+      {355.0f, 425.0f},
+      {425.0f, std::numeric_limits<float>::max()}
+      // clang-format on
+  };
 
   static float calculate_index(float value, const float array[NUM_LEVELS][2]) {
     int grid_index = get_grid_index(value, array);
@@ -45,7 +64,10 @@ class AQICalculator : public AbstractAQICalculator {
 
   static int get_grid_index(float value, const float array[NUM_LEVELS][2]) {
     for (int i = 0; i < NUM_LEVELS; i++) {
-      if (value >= array[i][0] && value <= array[i][1]) {
+      const bool in_range =
+          (value >= array[i][0]) && ((i == NUM_LEVELS - 1) ? (value <= array[i][1])   // last bucket inclusive
+                                                           : (value < array[i][1]));  // others exclusive on hi
+      if (in_range) {
         return i;
       }
     }

esphome/components/aqi/caqi_calculator.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <algorithm>
 #include <cmath>
 #include <limits>
 #include "abstract_aqi_calculator.h"
@@ -12,7 +13,11 @@ class CAQICalculator : public AbstractAQICalculator {
     float pm2_5_index = calculate_index(pm2_5_value, PM2_5_GRID);
     float pm10_0_index = calculate_index(pm10_0_value, PM10_0_GRID);
 
-    return static_cast<uint16_t>(std::round((pm2_5_index < pm10_0_index) ? pm10_0_index : pm2_5_index));
+    float aqi = std::max(pm2_5_index, pm10_0_index);
+    if (aqi < 0.0f) {
+      aqi = 0.0f;
+    }
+    return static_cast<uint16_t>(std::lround(aqi));
   }
 
  protected:
@@ -21,10 +26,24 @@ class CAQICalculator : public AbstractAQICalculator {
   static constexpr int INDEX_GRID[NUM_LEVELS][2] = {{0, 25}, {26, 50}, {51, 75}, {76, 100}, {101, 400}};
 
   static constexpr float PM2_5_GRID[NUM_LEVELS][2] = {
-      {0.0f, 15.0f}, {15.1f, 30.0f}, {30.1f, 55.0f}, {55.1f, 110.0f}, {110.1f, std::numeric_limits<float>::max()}};
+      // clang-format off
+      {0.0f, 15.1f},
+      {15.1f, 30.1f},
+      {30.1f, 55.1f},
+      {55.1f, 110.1f},
+      {110.1f, std::numeric_limits<float>::max()}
+      // clang-format on
+  };
 
   static constexpr float PM10_0_GRID[NUM_LEVELS][2] = {
-      {0.0f, 25.0f}, {25.1f, 50.0f}, {50.1f, 90.0f}, {90.1f, 180.0f}, {180.1f, std::numeric_limits<float>::max()}};
+      // clang-format off
+      {0.0f, 25.1f},
+      {25.1f, 50.1f},
+      {50.1f, 90.1f},
+      {90.1f, 180.1f},
+      {180.1f, std::numeric_limits<float>::max()}
+      // clang-format on
+  };
 
   static float calculate_index(float value, const float array[NUM_LEVELS][2]) {
     int grid_index = get_grid_index(value, array);
@@ -42,7 +61,10 @@ class CAQICalculator : public AbstractAQICalculator {
 
   static int get_grid_index(float value, const float array[NUM_LEVELS][2]) {
     for (int i = 0; i < NUM_LEVELS; i++) {
-      if (value >= array[i][0] && value <= array[i][1]) {
+      const bool in_range =
+          (value >= array[i][0]) && ((i == NUM_LEVELS - 1) ? (value <= array[i][1])   // last bucket inclusive
+                                                           : (value < array[i][1]));  // others exclusive on hi
+      if (in_range) {
         return i;
       }
     }

esphome/components/bl0942/bl0942.cpp

@@ -46,16 +46,16 @@ static const uint32_t PKT_TIMEOUT_MS = 200;
 
 void BL0942::loop() {
   DataPacket buffer;
-  int avail = this->available();
+  size_t avail = this->available();
 
   if (!avail) {
     return;
   }
-  if (static_cast<size_t>(avail) < sizeof(buffer)) {
+  if (avail < sizeof(buffer)) {
     if (!this->rx_start_) {
       this->rx_start_ = millis();
     } else if (millis() > this->rx_start_ + PKT_TIMEOUT_MS) {
-      ESP_LOGW(TAG, "Junk on wire. Throwing away partial message (%d bytes)", avail);
+      ESP_LOGW(TAG, "Junk on wire. Throwing away partial message (%zu bytes)", avail);
       this->read_array((uint8_t *) &buffer, avail);
       this->rx_start_ = 0;
     }

esphome/components/cse7766/cse7766.cpp

@@ -16,8 +16,8 @@ void CSE7766Component::loop() {
   }
 
   // Early return prevents updating last_transmission_ when no data is available.
-  int avail = this->available();
-  if (avail <= 0) {
+  size_t avail = this->available();
+  if (avail == 0) {
     return;
   }
 
@@ -27,7 +27,7 @@ void CSE7766Component::loop() {
   // At 4800 baud (~480 bytes/sec) with ~122 Hz loop rate, typically ~4 bytes per call.
   uint8_t buf[CSE7766_RAW_DATA_SIZE];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/dfplayer/dfplayer.cpp

@@ -133,10 +133,10 @@ void DFPlayer::send_cmd_(uint8_t cmd, uint16_t argument) {
 
 void DFPlayer::loop() {
   // Read all available bytes in batches to reduce UART call overhead.
-  int avail = this->available();
+  size_t avail = this->available();
   uint8_t buf[64];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/dlms_meter/dlms_meter.cpp

@@ -28,15 +28,28 @@ void DlmsMeterComponent::dump_config() {
 
 void DlmsMeterComponent::loop() {
   // Read while data is available, netznoe uses two frames so allow 2x max frame length
-  while (this->available()) {
-    if (this->receive_buffer_.size() >= MBUS_MAX_FRAME_LENGTH * 2) {
+  size_t avail = this->available();
+  if (avail > 0) {
+    size_t remaining = MBUS_MAX_FRAME_LENGTH * 2 - this->receive_buffer_.size();
+    if (remaining == 0) {
       ESP_LOGW(TAG, "Receive buffer full, dropping remaining bytes");
-      break;
+    } else {
+      // Read all available bytes in batches to reduce UART call overhead.
+      // Cap reads to remaining buffer capacity.
+      if (avail > remaining) {
+        avail = remaining;
+      }
+      uint8_t buf[64];
+      while (avail > 0) {
+        size_t to_read = std::min(avail, sizeof(buf));
+        if (!this->read_array(buf, to_read)) {
+          break;
+        }
+        avail -= to_read;
+        this->receive_buffer_.insert(this->receive_buffer_.end(), buf, buf + to_read);
+        this->last_read_ = millis();
+      }
     }
-    uint8_t c;
-    this->read_byte(&c);
-    this->receive_buffer_.push_back(c);
-    this->last_read_ = millis();
   }
 
   if (!this->receive_buffer_.empty() && millis() - this->last_read_ > this->read_timeout_) {

esphome/components/dsmr/dsmr.cpp

@@ -40,9 +40,7 @@ bool Dsmr::ready_to_request_data_() {
       this->start_requesting_data_();
     }
     if (!this->requesting_data_) {
-      while (this->available()) {
-        this->read();
-      }
+      this->drain_rx_buffer_();
     }
   }
   return this->requesting_data_;
@@ -115,138 +113,169 @@ void Dsmr::stop_requesting_data_() {
     } else {
       ESP_LOGV(TAG, "Stop reading data from P1 port");
     }
-    while (this->available()) {
-      this->read();
-    }
+    this->drain_rx_buffer_();
     this->requesting_data_ = false;
   }
 }
 
+void Dsmr::drain_rx_buffer_() {
+  uint8_t buf[64];
+  size_t avail;
+  while ((avail = this->available()) > 0) {
+    if (!this->read_array(buf, std::min(avail, sizeof(buf)))) {
+      break;
+    }
+  }
+}
+
 void Dsmr::reset_telegram_() {
   this->header_found_ = false;
   this->footer_found_ = false;
   this->bytes_read_ = 0;
   this->crypt_bytes_read_ = 0;
   this->crypt_telegram_len_ = 0;
-  this->last_read_time_ = 0;
 }
 
 void Dsmr::receive_telegram_() {
   while (this->available_within_timeout_()) {
-    const char c = this->read();
+    // Read all available bytes in batches to reduce UART call overhead.
+    uint8_t buf[64];
+    size_t avail = this->available();
+    while (avail > 0) {
+      size_t to_read = std::min(avail, sizeof(buf));
+      if (!this->read_array(buf, to_read))
+        return;
+      avail -= to_read;
 
-    // Find a new telegram header, i.e. forward slash.
-    if (c == '/') {
-      ESP_LOGV(TAG, "Header of telegram found");
-      this->reset_telegram_();
-      this->header_found_ = true;
-    }
-    if (!this->header_found_)
-      continue;
+      for (size_t i = 0; i < to_read; i++) {
+        const char c = static_cast<char>(buf[i]);
 
-    // Check for buffer overflow.
-    if (this->bytes_read_ >= this->max_telegram_len_) {
-      this->reset_telegram_();
-      ESP_LOGE(TAG, "Error: telegram larger than buffer (%d bytes)", this->max_telegram_len_);
-      return;
-    }
+        // Find a new telegram header, i.e. forward slash.
+        if (c == '/') {
+          ESP_LOGV(TAG, "Header of telegram found");
+          this->reset_telegram_();
+          this->header_found_ = true;
+        }
+        if (!this->header_found_)
+          continue;
 
-    // Some v2.2 or v3 meters will send a new value which starts with '('
-    // in a new line, while the value belongs to the previous ObisId. For
-    // proper parsing, remove these new line characters.
-    if (c == '(') {
-      while (true) {
-        auto previous_char = this->telegram_[this->bytes_read_ - 1];
-        if (previous_char == '\n' || previous_char == '\r') {
-          this->bytes_read_--;
-        } else {
-          break;
+        // Check for buffer overflow.
+        if (this->bytes_read_ >= this->max_telegram_len_) {
+          this->reset_telegram_();
+          ESP_LOGE(TAG, "Error: telegram larger than buffer (%d bytes)", this->max_telegram_len_);
+          return;
+        }
+
+        // Some v2.2 or v3 meters will send a new value which starts with '('
+        // in a new line, while the value belongs to the previous ObisId. For
+        // proper parsing, remove these new line characters.
+        if (c == '(') {
+          while (true) {
+            auto previous_char = this->telegram_[this->bytes_read_ - 1];
+            if (previous_char == '\n' || previous_char == '\r') {
+              this->bytes_read_--;
+            } else {
+              break;
+            }
+          }
+        }
+
+        // Store the byte in the buffer.
+        this->telegram_[this->bytes_read_] = c;
+        this->bytes_read_++;
+
+        // Check for a footer, i.e. exclamation mark, followed by a hex checksum.
+        if (c == '!') {
+          ESP_LOGV(TAG, "Footer of telegram found");
+          this->footer_found_ = true;
+          continue;
+        }
+        // Check for the end of the hex checksum, i.e. a newline.
+        if (this->footer_found_ && c == '\n') {
+          // Parse the telegram and publish sensor values.
+          this->parse_telegram();
+          this->reset_telegram_();
+          return;
         }
       }
     }
-
-    // Store the byte in the buffer.
-    this->telegram_[this->bytes_read_] = c;
-    this->bytes_read_++;
-
-    // Check for a footer, i.e. exclamation mark, followed by a hex checksum.
-    if (c == '!') {
-      ESP_LOGV(TAG, "Footer of telegram found");
-      this->footer_found_ = true;
-      continue;
-    }
-    // Check for the end of the hex checksum, i.e. a newline.
-    if (this->footer_found_ && c == '\n') {
-      // Parse the telegram and publish sensor values.
-      this->parse_telegram();
-      this->reset_telegram_();
-      return;
-    }
   }
 }
 
 void Dsmr::receive_encrypted_telegram_() {
   while (this->available_within_timeout_()) {
-    const char c = this->read();
+    // Read all available bytes in batches to reduce UART call overhead.
+    uint8_t buf[64];
+    size_t avail = this->available();
+    while (avail > 0) {
+      size_t to_read = std::min(avail, sizeof(buf));
+      if (!this->read_array(buf, to_read))
+        return;
+      avail -= to_read;
 
-    // Find a new telegram start byte.
-    if (!this->header_found_) {
-      if ((uint8_t) c != 0xDB) {
-        continue;
+      for (size_t i = 0; i < to_read; i++) {
+        const char c = static_cast<char>(buf[i]);
+
+        // Find a new telegram start byte.
+        if (!this->header_found_) {
+          if ((uint8_t) c != 0xDB) {
+            continue;
+          }
+          ESP_LOGV(TAG, "Start byte 0xDB of encrypted telegram found");
+          this->reset_telegram_();
+          this->header_found_ = true;
+        }
+
+        // Check for buffer overflow.
+        if (this->crypt_bytes_read_ >= this->max_telegram_len_) {
+          this->reset_telegram_();
+          ESP_LOGE(TAG, "Error: encrypted telegram larger than buffer (%d bytes)", this->max_telegram_len_);
+          return;
+        }
+
+        // Store the byte in the buffer.
+        this->crypt_telegram_[this->crypt_bytes_read_] = c;
+        this->crypt_bytes_read_++;
+
+        // Read the length of the incoming encrypted telegram.
+        if (this->crypt_telegram_len_ == 0 && this->crypt_bytes_read_ > 20) {
+          // Complete header + data bytes
+          this->crypt_telegram_len_ = 13 + (this->crypt_telegram_[11] << 8 | this->crypt_telegram_[12]);
+          ESP_LOGV(TAG, "Encrypted telegram length: %d bytes", this->crypt_telegram_len_);
+        }
+
+        // Check for the end of the encrypted telegram.
+        if (this->crypt_telegram_len_ == 0 || this->crypt_bytes_read_ != this->crypt_telegram_len_) {
+          continue;
+        }
+        ESP_LOGV(TAG, "End of encrypted telegram found");
+
+        // Decrypt the encrypted telegram.
+        GCM<AES128> *gcmaes128{new GCM<AES128>()};
+        gcmaes128->setKey(this->decryption_key_.data(), gcmaes128->keySize());
+        // the iv is 8 bytes of the system title + 4 bytes frame counter
+        // system title is at byte 2 and frame counter at byte 15
+        for (int i = 10; i < 14; i++)
+          this->crypt_telegram_[i] = this->crypt_telegram_[i + 4];
+        constexpr uint16_t iv_size{12};
+        gcmaes128->setIV(&this->crypt_telegram_[2], iv_size);
+        gcmaes128->decrypt(reinterpret_cast<uint8_t *>(this->telegram_),
+                           // the ciphertext start at byte 18
+                           &this->crypt_telegram_[18],
+                           // cipher size
+                           this->crypt_bytes_read_ - 17);
+        delete gcmaes128;  // NOLINT(cppcoreguidelines-owning-memory)
+
+        this->bytes_read_ = strnlen(this->telegram_, this->max_telegram_len_);
+        ESP_LOGV(TAG, "Decrypted telegram size: %d bytes", this->bytes_read_);
+        ESP_LOGVV(TAG, "Decrypted telegram: %s", this->telegram_);
+
+        // Parse the decrypted telegram and publish sensor values.
+        this->parse_telegram();
+        this->reset_telegram_();
+        return;
       }
-      ESP_LOGV(TAG, "Start byte 0xDB of encrypted telegram found");
-      this->reset_telegram_();
-      this->header_found_ = true;
     }
-
-    // Check for buffer overflow.
-    if (this->crypt_bytes_read_ >= this->max_telegram_len_) {
-      this->reset_telegram_();
-      ESP_LOGE(TAG, "Error: encrypted telegram larger than buffer (%d bytes)", this->max_telegram_len_);
-      return;
-    }
-
-    // Store the byte in the buffer.
-    this->crypt_telegram_[this->crypt_bytes_read_] = c;
-    this->crypt_bytes_read_++;
-
-    // Read the length of the incoming encrypted telegram.
-    if (this->crypt_telegram_len_ == 0 && this->crypt_bytes_read_ > 20) {
-      // Complete header + data bytes
-      this->crypt_telegram_len_ = 13 + (this->crypt_telegram_[11] << 8 | this->crypt_telegram_[12]);
-      ESP_LOGV(TAG, "Encrypted telegram length: %d bytes", this->crypt_telegram_len_);
-    }
-
-    // Check for the end of the encrypted telegram.
-    if (this->crypt_telegram_len_ == 0 || this->crypt_bytes_read_ != this->crypt_telegram_len_) {
-      continue;
-    }
-    ESP_LOGV(TAG, "End of encrypted telegram found");
-
-    // Decrypt the encrypted telegram.
-    GCM<AES128> *gcmaes128{new GCM<AES128>()};
-    gcmaes128->setKey(this->decryption_key_.data(), gcmaes128->keySize());
-    // the iv is 8 bytes of the system title + 4 bytes frame counter
-    // system title is at byte 2 and frame counter at byte 15
-    for (int i = 10; i < 14; i++)
-      this->crypt_telegram_[i] = this->crypt_telegram_[i + 4];
-    constexpr uint16_t iv_size{12};
-    gcmaes128->setIV(&this->crypt_telegram_[2], iv_size);
-    gcmaes128->decrypt(reinterpret_cast<uint8_t *>(this->telegram_),
-                       // the ciphertext start at byte 18
-                       &this->crypt_telegram_[18],
-                       // cipher size
-                       this->crypt_bytes_read_ - 17);
-    delete gcmaes128;  // NOLINT(cppcoreguidelines-owning-memory)
-
-    this->bytes_read_ = strnlen(this->telegram_, this->max_telegram_len_);
-    ESP_LOGV(TAG, "Decrypted telegram size: %d bytes", this->bytes_read_);
-    ESP_LOGVV(TAG, "Decrypted telegram: %s", this->telegram_);
-
-    // Parse the decrypted telegram and publish sensor values.
-    this->parse_telegram();
-    this->reset_telegram_();
-    return;
   }
 }
 

esphome/components/dsmr/dsmr.h

@@ -85,6 +85,7 @@ class Dsmr : public Component, public uart::UARTDevice {
   void receive_telegram_();
   void receive_encrypted_telegram_();
   void reset_telegram_();
+  void drain_rx_buffer_();
 
   /// Wait for UART data to become available within the read timeout.
   ///

esphome/components/hlk_fm22x/hlk_fm22x.cpp

@@ -1,20 +1,16 @@
 #include "hlk_fm22x.h"
 #include "esphome/core/log.h"
 #include "esphome/core/helpers.h"
-#include <array>
 #include <cinttypes>
 
 namespace esphome::hlk_fm22x {
 
 static const char *const TAG = "hlk_fm22x";
 
-// Maximum response size is 36 bytes (VERIFY reply: face_id + 32-byte name)
-static constexpr size_t HLK_FM22X_MAX_RESPONSE_SIZE = 36;
-
 void HlkFm22xComponent::setup() {
   ESP_LOGCONFIG(TAG, "Setting up HLK-FM22X...");
   this->set_enrolling_(false);
-  while (this->available()) {
+  while (this->available() > 0) {
     this->read();
   }
   this->defer([this]() { this->send_command_(HlkFm22xCommand::GET_STATUS); });
@@ -35,7 +31,7 @@ void HlkFm22xComponent::update() {
 }
 
 void HlkFm22xComponent::enroll_face(const std::string &name, HlkFm22xFaceDirection direction) {
-  if (name.length() > 31) {
+  if (name.length() > HLK_FM22X_NAME_SIZE - 1) {
     ESP_LOGE(TAG, "enroll_face(): name too long '%s'", name.c_str());
     return;
   }
@@ -88,7 +84,7 @@ void HlkFm22xComponent::send_command_(HlkFm22xCommand command, const uint8_t *da
   }
   this->wait_cycles_ = 0;
   this->active_command_ = command;
-  while (this->available())
+  while (this->available() > 0)
     this->read();
   this->write((uint8_t) (START_CODE >> 8));
   this->write((uint8_t) (START_CODE & 0xFF));
@@ -137,17 +133,24 @@ void HlkFm22xComponent::recv_command_() {
   checksum ^= byte;
   length |= byte;
 
-  std::vector<uint8_t> data;
-  data.reserve(length);
+  if (length > HLK_FM22X_MAX_RESPONSE_SIZE) {
+    ESP_LOGE(TAG, "Response too large: %u bytes", length);
+    // Discard exactly the remaining payload and checksum for this frame
+    for (uint16_t i = 0; i < length + 1 && this->available() > 0; ++i)
+      this->read();
+    return;
+  }
+
   for (uint16_t idx = 0; idx < length; ++idx) {
     byte = this->read();
     checksum ^= byte;
-    data.push_back(byte);
+    this->recv_buf_[idx] = byte;
   }
 
 #if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
   char hex_buf[format_hex_pretty_size(HLK_FM22X_MAX_RESPONSE_SIZE)];
-  ESP_LOGV(TAG, "Recv type: 0x%.2X, data: %s", response_type, format_hex_pretty_to(hex_buf, data.data(), data.size()));
+  ESP_LOGV(TAG, "Recv type: 0x%.2X, data: %s", response_type,
+           format_hex_pretty_to(hex_buf, this->recv_buf_.data(), length));
 #endif
 
   byte = this->read();
@@ -157,10 +160,10 @@ void HlkFm22xComponent::recv_command_() {
   }
   switch (response_type) {
     case HlkFm22xResponseType::NOTE:
-      this->handle_note_(data);
+      this->handle_note_(this->recv_buf_.data(), length);
       break;
     case HlkFm22xResponseType::REPLY:
-      this->handle_reply_(data);
+      this->handle_reply_(this->recv_buf_.data(), length);
       break;
     default:
       ESP_LOGW(TAG, "Unexpected response type: 0x%.2X", response_type);
@@ -168,11 +171,15 @@ void HlkFm22xComponent::recv_command_() {
   }
 }
 
-void HlkFm22xComponent::handle_note_(const std::vector<uint8_t> &data) {
+void HlkFm22xComponent::handle_note_(const uint8_t *data, size_t length) {
+  if (length < 1) {
+    ESP_LOGE(TAG, "Empty note data");
+    return;
+  }
   switch (data[0]) {
     case HlkFm22xNoteType::FACE_STATE:
-      if (data.size() < 17) {
-        ESP_LOGE(TAG, "Invalid face note data size: %u", data.size());
+      if (length < 17) {
+        ESP_LOGE(TAG, "Invalid face note data size: %zu", length);
         break;
       }
       {
@@ -209,9 +216,13 @@ void HlkFm22xComponent::handle_note_(const std::vector<uint8_t> &data) {
   }
 }
 
-void HlkFm22xComponent::handle_reply_(const std::vector<uint8_t> &data) {
+void HlkFm22xComponent::handle_reply_(const uint8_t *data, size_t length) {
   auto expected = this->active_command_;
   this->active_command_ = HlkFm22xCommand::NONE;
+  if (length < 2) {
+    ESP_LOGE(TAG, "Reply too short: %zu bytes", length);
+    return;
+  }
   if (data[0] != (uint8_t) expected) {
     ESP_LOGE(TAG, "Unexpected response command. Expected: 0x%.2X, Received: 0x%.2X", expected, data[0]);
     return;
@@ -238,16 +249,20 @@ void HlkFm22xComponent::handle_reply_(const std::vector<uint8_t> &data) {
   }
   switch (expected) {
     case HlkFm22xCommand::VERIFY: {
+      if (length < 4 + HLK_FM22X_NAME_SIZE) {
+        ESP_LOGE(TAG, "VERIFY response too short: %zu bytes", length);
+        break;
+      }
       int16_t face_id = ((int16_t) data[2] << 8) | data[3];
-      std::string name(data.begin() + 4, data.begin() + 36);
-      ESP_LOGD(TAG, "Face verified. ID: %d, name: %s", face_id, name.c_str());
+      const char *name_ptr = reinterpret_cast<const char *>(data + 4);
+      ESP_LOGD(TAG, "Face verified. ID: %d, name: %.*s", face_id, (int) HLK_FM22X_NAME_SIZE, name_ptr);
       if (this->last_face_id_sensor_ != nullptr) {
         this->last_face_id_sensor_->publish_state(face_id);
       }
       if (this->last_face_name_text_sensor_ != nullptr) {
-        this->last_face_name_text_sensor_->publish_state(name);
+        this->last_face_name_text_sensor_->publish_state(name_ptr, HLK_FM22X_NAME_SIZE);
       }
-      this->face_scan_matched_callback_.call(face_id, name);
+      this->face_scan_matched_callback_.call(face_id, std::string(name_ptr, HLK_FM22X_NAME_SIZE));
       break;
     }
     case HlkFm22xCommand::ENROLL: {
@@ -266,9 +281,8 @@ void HlkFm22xComponent::handle_reply_(const std::vector<uint8_t> &data) {
       this->defer([this]() { this->send_command_(HlkFm22xCommand::GET_VERSION); });
       break;
     case HlkFm22xCommand::GET_VERSION:
-      if (this->version_text_sensor_ != nullptr) {
-        std::string version(data.begin() + 2, data.end());
-        this->version_text_sensor_->publish_state(version);
+      if (this->version_text_sensor_ != nullptr && length > 2) {
+        this->version_text_sensor_->publish_state(reinterpret_cast<const char *>(data + 2), length - 2);
       }
       this->defer([this]() { this->get_face_count_(); });
       break;

esphome/components/hlk_fm22x/hlk_fm22x.h

@@ -7,12 +7,15 @@
 #include "esphome/components/text_sensor/text_sensor.h"
 #include "esphome/components/uart/uart.h"
 
+#include <array>
 #include <utility>
-#include <vector>
 
 namespace esphome::hlk_fm22x {
 
 static const uint16_t START_CODE = 0xEFAA;
+static constexpr size_t HLK_FM22X_NAME_SIZE = 32;
+// Maximum response payload: command(1) + result(1) + face_id(2) + name(32) = 36
+static constexpr size_t HLK_FM22X_MAX_RESPONSE_SIZE = 36;
 enum HlkFm22xCommand {
   NONE = 0x00,
   RESET = 0x10,
@@ -118,10 +121,11 @@ class HlkFm22xComponent : public PollingComponent, public uart::UARTDevice {
   void get_face_count_();
   void send_command_(HlkFm22xCommand command, const uint8_t *data = nullptr, size_t size = 0);
   void recv_command_();
-  void handle_note_(const std::vector<uint8_t> &data);
-  void handle_reply_(const std::vector<uint8_t> &data);
+  void handle_note_(const uint8_t *data, size_t length);
+  void handle_reply_(const uint8_t *data, size_t length);
   void set_enrolling_(bool enrolling);
 
+  std::array<uint8_t, HLK_FM22X_MAX_RESPONSE_SIZE> recv_buf_;
   HlkFm22xCommand active_command_ = HlkFm22xCommand::NONE;
   uint16_t wait_cycles_ = 0;
   sensor::Sensor *face_count_sensor_{nullptr};

esphome/components/ld2410/ld2410.cpp

@@ -276,10 +276,10 @@ void LD2410Component::restart_and_read_all_info() {
 
 void LD2410Component::loop() {
   // Read all available bytes in batches to reduce UART call overhead.
-  int avail = this->available();
+  size_t avail = this->available();
   uint8_t buf[MAX_LINE_LENGTH];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/ld2412/ld2412.cpp

@@ -311,10 +311,10 @@ void LD2412Component::restart_and_read_all_info() {
 
 void LD2412Component::loop() {
   // Read all available bytes in batches to reduce UART call overhead.
-  int avail = this->available();
+  size_t avail = this->available();
   uint8_t buf[MAX_LINE_LENGTH];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/ld2420/ld2420.cpp

@@ -335,9 +335,10 @@ void LD2420Component::revert_config_action() {
 
 void LD2420Component::loop() {
   // If there is a active send command do not process it here, the send command call will handle it.
-  while (!this->cmd_active_ && this->available()) {
-    this->readline_(this->read(), this->buffer_data_, MAX_LINE_LENGTH);
+  if (this->cmd_active_) {
+    return;
   }
+  this->read_batch_(this->buffer_data_);
 }
 
 void LD2420Component::update_radar_data(uint16_t const *gate_energy, uint8_t sample_number) {
@@ -539,6 +540,23 @@ void LD2420Component::handle_simple_mode_(const uint8_t *inbuf, int len) {
   }
 }
 
+void LD2420Component::read_batch_(std::span<uint8_t, MAX_LINE_LENGTH> buffer) {
+  // Read all available bytes in batches to reduce UART call overhead.
+  size_t avail = this->available();
+  uint8_t buf[MAX_LINE_LENGTH];
+  while (avail > 0) {
+    size_t to_read = std::min(avail, sizeof(buf));
+    if (!this->read_array(buf, to_read)) {
+      break;
+    }
+    avail -= to_read;
+
+    for (size_t i = 0; i < to_read; i++) {
+      this->readline_(buf[i], buffer.data(), buffer.size());
+    }
+  }
+}
+
 void LD2420Component::handle_ack_data_(uint8_t *buffer, int len) {
   this->cmd_reply_.command = buffer[CMD_FRAME_COMMAND];
   this->cmd_reply_.length = buffer[CMD_FRAME_DATA_LENGTH];

esphome/components/ld2420/ld2420.h

@@ -4,6 +4,7 @@
 #include "esphome/components/uart/uart.h"
 #include "esphome/core/automation.h"
 #include "esphome/core/helpers.h"
+#include <span>
 #ifdef USE_TEXT_SENSOR
 #include "esphome/components/text_sensor/text_sensor.h"
 #endif
@@ -165,6 +166,7 @@ class LD2420Component : public Component, public uart::UARTDevice {
   void handle_energy_mode_(uint8_t *buffer, int len);
   void handle_ack_data_(uint8_t *buffer, int len);
   void readline_(int rx_data, uint8_t *buffer, int len);
+  void read_batch_(std::span<uint8_t, MAX_LINE_LENGTH> buffer);
   void set_calibration_(bool state) { this->calibration_ = state; };
   bool get_calibration_() { return this->calibration_; };
 

esphome/components/ld2450/ld2450.cpp

@@ -277,10 +277,10 @@ void LD2450Component::dump_config() {
 
 void LD2450Component::loop() {
   // Read all available bytes in batches to reduce UART call overhead.
-  int avail = this->available();
+  size_t avail = this->available();
   uint8_t buf[MAX_LINE_LENGTH];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/logger/logger.cpp

@@ -36,8 +36,9 @@ void HOT Logger::log_vprintf_(uint8_t level, const char *tag, int line, const ch
 #endif
 
   // Fast path: main thread, no recursion (99.9% of all logs)
+  // Pass nullptr for thread_name since we already know this is the main task
   if (is_main_task && !this->main_task_recursion_guard_) [[likely]] {
-    this->log_message_to_buffer_and_send_(this->main_task_recursion_guard_, level, tag, line, format, args);
+    this->log_message_to_buffer_and_send_(this->main_task_recursion_guard_, level, tag, line, format, args, nullptr);
     return;
   }
 
@@ -47,21 +48,23 @@ void HOT Logger::log_vprintf_(uint8_t level, const char *tag, int line, const ch
   }
 
   // Non-main thread handling (~0.1% of logs)
+  // Resolve thread name once and pass it through the logging chain.
+  // ESP32/LibreTiny: use TaskHandle_t overload to avoid redundant xTaskGetCurrentTaskHandle()
+  // (we already have the handle from the main task check above).
+  // Host: pass a stack buffer for pthread_getname_np to write into.
 #if defined(USE_ESP32) || defined(USE_LIBRETINY)
-  this->log_vprintf_non_main_thread_(level, tag, line, format, args, current_task);
+  const char *thread_name = get_thread_name_(current_task);
 #else  // USE_HOST
-  this->log_vprintf_non_main_thread_(level, tag, line, format, args);
+  char thread_name_buf[THREAD_NAME_BUF_SIZE];
+  const char *thread_name = this->get_thread_name_(thread_name_buf);
 #endif
+  this->log_vprintf_non_main_thread_(level, tag, line, format, args, thread_name);
 }
 
 // Handles non-main thread logging only
 // Kept separate from hot path to improve instruction cache performance
-#if defined(USE_ESP32) || defined(USE_LIBRETINY)
 void Logger::log_vprintf_non_main_thread_(uint8_t level, const char *tag, int line, const char *format, va_list args,
-                                          TaskHandle_t current_task) {
-#else  // USE_HOST
-void Logger::log_vprintf_non_main_thread_(uint8_t level, const char *tag, int line, const char *format, va_list args) {
-#endif
+                                          const char *thread_name) {
   // Check if already in recursion for this non-main thread/task
   if (this->is_non_main_task_recursive_()) {
     return;
@@ -73,12 +76,8 @@ void Logger::log_vprintf_non_main_thread_(uint8_t level, const char *tag, int li
   bool message_sent = false;
 #ifdef USE_ESPHOME_TASK_LOG_BUFFER
   // For non-main threads/tasks, queue the message for callbacks
-#if defined(USE_ESP32) || defined(USE_LIBRETINY)
   message_sent =
-      this->log_buffer_->send_message_thread_safe(level, tag, static_cast<uint16_t>(line), current_task, format, args);
-#else  // USE_HOST
-  message_sent = this->log_buffer_->send_message_thread_safe(level, tag, static_cast<uint16_t>(line), format, args);
-#endif
+      this->log_buffer_->send_message_thread_safe(level, tag, static_cast<uint16_t>(line), thread_name, format, args);
   if (message_sent) {
     // Enable logger loop to process the buffered message
     // This is safe to call from any context including ISRs
@@ -101,19 +100,27 @@ void Logger::log_vprintf_non_main_thread_(uint8_t level, const char *tag, int li
 #endif
     char console_buffer[MAX_CONSOLE_LOG_MSG_SIZE];  // MUST be stack allocated for thread safety
     LogBuffer buf{console_buffer, MAX_CONSOLE_LOG_MSG_SIZE};
-    this->format_log_to_buffer_with_terminator_(level, tag, line, format, args, buf);
+    this->format_log_to_buffer_with_terminator_(level, tag, line, format, args, buf, thread_name);
     this->write_to_console_(buf);
   }
 
   // RAII guard automatically resets on return
 }
 #else
-// Implementation for all other platforms (single-task, no threading)
+// Implementation for single-task platforms (ESP8266, RP2040, Zephyr)
+// TODO: Zephyr may have multiple threads (work queues, etc.) but uses this single-task path.
+// Logging calls are NOT thread-safe: global_recursion_guard_ is a plain bool and tx_buffer_ has no locking.
+// Not a problem in practice yet since Zephyr has no API support (logs are console-only).
 void HOT Logger::log_vprintf_(uint8_t level, const char *tag, int line, const char *format, va_list args) {  // NOLINT
   if (level > this->level_for(tag) || global_recursion_guard_)
     return;
-
-  this->log_message_to_buffer_and_send_(global_recursion_guard_, level, tag, line, format, args);
+#ifdef USE_ZEPHYR
+  char tmp[MAX_POINTER_REPRESENTATION];
+  this->log_message_to_buffer_and_send_(global_recursion_guard_, level, tag, line, format, args,
+                                        this->get_thread_name_(tmp));
+#else  // Other single-task platforms don't have thread names, so pass nullptr
+  this->log_message_to_buffer_and_send_(global_recursion_guard_, level, tag, line, format, args, nullptr);
+#endif
 }
 #endif  // USE_ESP32 / USE_HOST / USE_LIBRETINY
 
@@ -129,7 +136,7 @@ void Logger::log_vprintf_(uint8_t level, const char *tag, int line, const __Flas
   if (level > this->level_for(tag) || global_recursion_guard_)
     return;
 
-  this->log_message_to_buffer_and_send_(global_recursion_guard_, level, tag, line, format, args);
+  this->log_message_to_buffer_and_send_(global_recursion_guard_, level, tag, line, format, args, nullptr);
 }
 #endif  // USE_STORE_LOG_STR_IN_FLASH
 

esphome/components/logger/logger.h

@@ -2,6 +2,7 @@
 
 #include <cstdarg>
 #include <map>
+#include <span>
 #include <type_traits>
 #if defined(USE_ESP32) || defined(USE_HOST)
 #include <pthread.h>
@@ -124,6 +125,10 @@ static constexpr uint16_t MAX_HEADER_SIZE = 128;
 // "0x" + 2 hex digits per byte + '\0'
 static constexpr size_t MAX_POINTER_REPRESENTATION = 2 + sizeof(void *) * 2 + 1;
 
+// Stack buffer size for retrieving thread/task names from the OS
+// macOS allows up to 64 bytes, Linux up to 16
+static constexpr size_t THREAD_NAME_BUF_SIZE = 64;
+
 // Buffer wrapper for log formatting functions
 struct LogBuffer {
   char *data;
@@ -408,34 +413,24 @@ class Logger : public Component {
 
 #if defined(USE_ESP32) || defined(USE_HOST) || defined(USE_LIBRETINY)
   // Handles non-main thread logging only (~0.1% of calls)
-#if defined(USE_ESP32) || defined(USE_LIBRETINY)
-  // ESP32/LibreTiny: Pass task handle to avoid calling xTaskGetCurrentTaskHandle() twice
+  // thread_name is resolved by the caller from the task handle, avoiding redundant lookups
   void log_vprintf_non_main_thread_(uint8_t level, const char *tag, int line, const char *format, va_list args,
-                                    TaskHandle_t current_task);
-#else  // USE_HOST
-  // Host: No task handle parameter needed (not used in send_message_thread_safe)
-  void log_vprintf_non_main_thread_(uint8_t level, const char *tag, int line, const char *format, va_list args);
-#endif
+                                    const char *thread_name);
 #endif
   void process_messages_();
   void write_msg_(const char *msg, uint16_t len);
 
   // Format a log message with printf-style arguments and write it to a buffer with header, footer, and null terminator
+  // thread_name: name of the calling thread/task, or nullptr for main task (callers already know which task they're on)
   inline void HOT format_log_to_buffer_with_terminator_(uint8_t level, const char *tag, int line, const char *format,
-                                                        va_list args, LogBuffer &buf) {
-#if defined(USE_ESP32) || defined(USE_LIBRETINY) || defined(USE_HOST)
-    buf.write_header(level, tag, line, this->get_thread_name_());
-#elif defined(USE_ZEPHYR)
-    char tmp[MAX_POINTER_REPRESENTATION];
-    buf.write_header(level, tag, line, this->get_thread_name_(tmp));
-#else
-    buf.write_header(level, tag, line, nullptr);
-#endif
+                                                        va_list args, LogBuffer &buf, const char *thread_name) {
+    buf.write_header(level, tag, line, thread_name);
     buf.format_body(format, args);
   }
 
 #ifdef USE_STORE_LOG_STR_IN_FLASH
   // Format a log message with flash string format and write it to a buffer with header, footer, and null terminator
+  // ESP8266-only (single-task), thread_name is always nullptr
   inline void HOT format_log_to_buffer_with_terminator_P_(uint8_t level, const char *tag, int line,
                                                           const __FlashStringHelper *format, va_list args,
                                                           LogBuffer &buf) {
@@ -466,9 +461,10 @@ class Logger : public Component {
 
   // Helper to format and send a log message to both console and listeners
   // Template handles both const char* (RAM) and __FlashStringHelper* (flash) format strings
+  // thread_name: name of the calling thread/task, or nullptr for main task
   template<typename FormatType>
   inline void HOT log_message_to_buffer_and_send_(bool &recursion_guard, uint8_t level, const char *tag, int line,
-                                                  FormatType format, va_list args) {
+                                                  FormatType format, va_list args, const char *thread_name) {
     RecursionGuard guard(recursion_guard);
     LogBuffer buf{this->tx_buffer_, this->tx_buffer_size_};
 #ifdef USE_STORE_LOG_STR_IN_FLASH
@@ -477,7 +473,7 @@ class Logger : public Component {
     } else
 #endif
     {
-      this->format_log_to_buffer_with_terminator_(level, tag, line, format, args, buf);
+      this->format_log_to_buffer_with_terminator_(level, tag, line, format, args, buf, thread_name);
     }
     this->notify_listeners_(level, tag, buf);
     this->write_log_buffer_to_console_(buf);
@@ -565,37 +561,57 @@ class Logger : public Component {
   bool global_recursion_guard_{false};  // Simple global recursion guard for single-task platforms
 #endif
 
-#if defined(USE_ESP32) || defined(USE_LIBRETINY) || defined(USE_ZEPHYR)
-  const char *HOT get_thread_name_(
-#ifdef USE_ZEPHYR
-      char *buff
+  // --- get_thread_name_ overloads (per-platform) ---
+
+#if defined(USE_ESP32) || defined(USE_LIBRETINY)
+  // Primary overload - takes a task handle directly to avoid redundant xTaskGetCurrentTaskHandle() calls
+  // when the caller already has the handle (e.g. from the main task check in log_vprintf_)
+  const char *get_thread_name_(TaskHandle_t task) {
+    if (task == this->main_task_) {
+      return nullptr;  // Main task
+    }
+#if defined(USE_ESP32)
+    return pcTaskGetName(task);
+#elif defined(USE_LIBRETINY)
+    return pcTaskGetTaskName(task);
 #endif
-  ) {
-#ifdef USE_ZEPHYR
+  }
+
+  // Convenience overload - gets the current task handle and delegates
+  const char *HOT get_thread_name_() { return this->get_thread_name_(xTaskGetCurrentTaskHandle()); }
+
+#elif defined(USE_HOST)
+  // Takes a caller-provided buffer for the thread name (stack-allocated for thread safety)
+  const char *HOT get_thread_name_(std::span<char> buff) {
+    pthread_t current_thread = pthread_self();
+    if (pthread_equal(current_thread, main_thread_)) {
+      return nullptr;  // Main thread
+    }
+    // For non-main threads, get the thread name into the caller-provided buffer
+    if (pthread_getname_np(current_thread, buff.data(), buff.size()) == 0) {
+      return buff.data();
+    }
+    return nullptr;
+  }
+
+#elif defined(USE_ZEPHYR)
+  const char *HOT get_thread_name_(std::span<char> buff) {
     k_tid_t current_task = k_current_get();
-#else
-    TaskHandle_t current_task = xTaskGetCurrentTaskHandle();
-#endif
     if (current_task == main_task_) {
       return nullptr;  // Main task
-    } else {
-#if defined(USE_ESP32)
-      return pcTaskGetName(current_task);
-#elif defined(USE_LIBRETINY)
-      return pcTaskGetTaskName(current_task);
-#elif defined(USE_ZEPHYR)
-      const char *name = k_thread_name_get(current_task);
-      if (name) {
-        // zephyr print task names only if debug component is present
-        return name;
-      }
-      std::snprintf(buff, MAX_POINTER_REPRESENTATION, "%p", current_task);
-      return buff;
-#endif
     }
+    const char *name = k_thread_name_get(current_task);
+    if (name) {
+      // zephyr print task names only if debug component is present
+      return name;
+    }
+    std::snprintf(buff.data(), buff.size(), "%p", current_task);
+    return buff.data();
   }
 #endif
 
+  // --- Non-main task recursion guards (per-platform) ---
+
 #if defined(USE_ESP32) || defined(USE_HOST)
   // RAII guard for non-main task recursion using pthread TLS
   class NonMainTaskRecursionGuard {
@@ -635,22 +651,6 @@ class Logger : public Component {
   inline RecursionGuard make_non_main_task_guard_() { return RecursionGuard(non_main_task_recursion_guard_); }
 #endif
 
-#ifdef USE_HOST
-  const char *HOT get_thread_name_() {
-    pthread_t current_thread = pthread_self();
-    if (pthread_equal(current_thread, main_thread_)) {
-      return nullptr;  // Main thread
-    }
-    // For non-main threads, return the thread name
-    // We store it in thread-local storage to avoid allocation
-    static thread_local char thread_name_buf[32];
-    if (pthread_getname_np(current_thread, thread_name_buf, sizeof(thread_name_buf)) == 0) {
-      return thread_name_buf;
-    }
-    return nullptr;
-  }
-#endif
-
 #if defined(USE_ESP32) || defined(USE_LIBRETINY)
   // Disable loop when task buffer is empty (with USB CDC check on ESP32)
   inline void disable_loop_when_buffer_empty_() {

esphome/components/logger/task_log_buffer_esp32.cpp

@@ -59,7 +59,7 @@ void TaskLogBuffer::release_message_main_loop(void *token) {
   last_processed_counter_ = message_counter_.load(std::memory_order_relaxed);
 }
 
-bool TaskLogBuffer::send_message_thread_safe(uint8_t level, const char *tag, uint16_t line, TaskHandle_t task_handle,
+bool TaskLogBuffer::send_message_thread_safe(uint8_t level, const char *tag, uint16_t line, const char *thread_name,
                                              const char *format, va_list args) {
   // First, calculate the exact length needed using a null buffer (no actual writing)
   va_list args_copy;
@@ -95,7 +95,6 @@ bool TaskLogBuffer::send_message_thread_safe(uint8_t level, const char *tag, uin
   // Store the thread name now instead of waiting until main loop processing
   // This avoids crashes if the task completes or is deleted between when this message
   // is enqueued and when it's processed by the main loop
-  const char *thread_name = pcTaskGetName(task_handle);
   if (thread_name != nullptr) {
     strncpy(msg->thread_name, thread_name, sizeof(msg->thread_name) - 1);
     msg->thread_name[sizeof(msg->thread_name) - 1] = '\0';  // Ensure null termination

esphome/components/logger/task_log_buffer_esp32.h

@@ -58,7 +58,7 @@ class TaskLogBuffer {
   void release_message_main_loop(void *token);
 
   // Thread-safe - send a message to the ring buffer from any thread
-  bool send_message_thread_safe(uint8_t level, const char *tag, uint16_t line, TaskHandle_t task_handle,
+  bool send_message_thread_safe(uint8_t level, const char *tag, uint16_t line, const char *thread_name,
                                 const char *format, va_list args);
 
   // Check if there are messages ready to be processed using an atomic counter for performance

esphome/components/logger/task_log_buffer_host.cpp

@@ -70,8 +70,8 @@ void TaskLogBufferHost::commit_write_slot_(int slot_index) {
   }
 }
 
-bool TaskLogBufferHost::send_message_thread_safe(uint8_t level, const char *tag, uint16_t line, const char *format,
-                                                 va_list args) {
+bool TaskLogBufferHost::send_message_thread_safe(uint8_t level, const char *tag, uint16_t line, const char *thread_name,
+                                                 const char *format, va_list args) {
   // Acquire a slot
   int slot_index = this->acquire_write_slot_();
   if (slot_index < 0) {
@@ -85,11 +85,9 @@ bool TaskLogBufferHost::send_message_thread_safe(uint8_t level, const char *tag,
   msg.tag = tag;
   msg.line = line;
 
-  // Get thread name using pthread
-  char thread_name_buf[LogMessage::MAX_THREAD_NAME_SIZE];
-  // pthread_getname_np works the same on Linux and macOS
-  if (pthread_getname_np(pthread_self(), thread_name_buf, sizeof(thread_name_buf)) == 0) {
-    strncpy(msg.thread_name, thread_name_buf, sizeof(msg.thread_name) - 1);
+  // Store the thread name now to avoid crashes if thread exits before processing
+  if (thread_name != nullptr) {
+    strncpy(msg.thread_name, thread_name, sizeof(msg.thread_name) - 1);
     msg.thread_name[sizeof(msg.thread_name) - 1] = '\0';
   } else {
     msg.thread_name[0] = '\0';

esphome/components/logger/task_log_buffer_host.h

@@ -86,7 +86,8 @@ class TaskLogBufferHost {
 
   // Thread-safe - send a message to the buffer from any thread
   // Returns true if message was queued, false if buffer is full
-  bool send_message_thread_safe(uint8_t level, const char *tag, uint16_t line, const char *format, va_list args);
+  bool send_message_thread_safe(uint8_t level, const char *tag, uint16_t line, const char *thread_name,
+                                const char *format, va_list args);
 
   // Check if there are messages ready to be processed
   inline bool HOT has_messages() const {

esphome/components/logger/task_log_buffer_libretiny.cpp

@@ -101,7 +101,7 @@ void TaskLogBufferLibreTiny::release_message_main_loop() {
 }
 
 bool TaskLogBufferLibreTiny::send_message_thread_safe(uint8_t level, const char *tag, uint16_t line,
-                                                      TaskHandle_t task_handle, const char *format, va_list args) {
+                                                      const char *thread_name, const char *format, va_list args) {
   // First, calculate the exact length needed using a null buffer (no actual writing)
   va_list args_copy;
   va_copy(args_copy, args);
@@ -162,7 +162,6 @@ bool TaskLogBufferLibreTiny::send_message_thread_safe(uint8_t level, const char
   msg->line = line;
 
   // Store the thread name now to avoid crashes if task is deleted before processing
-  const char *thread_name = pcTaskGetTaskName(task_handle);
   if (thread_name != nullptr) {
     strncpy(msg->thread_name, thread_name, sizeof(msg->thread_name) - 1);
     msg->thread_name[sizeof(msg->thread_name) - 1] = '\0';

esphome/components/logger/task_log_buffer_libretiny.h

@@ -70,7 +70,7 @@ class TaskLogBufferLibreTiny {
   void release_message_main_loop();
 
   // Thread-safe - send a message to the buffer from any thread
-  bool send_message_thread_safe(uint8_t level, const char *tag, uint16_t line, TaskHandle_t task_handle,
+  bool send_message_thread_safe(uint8_t level, const char *tag, uint16_t line, const char *thread_name,
                                 const char *format, va_list args);
 
   // Fast check using volatile counter - no lock needed

esphome/components/mipi_dsi/models/waveshare.py

@@ -120,3 +120,101 @@ DriverChip(
         (0xB2, 0x10),
     ],
 )
+
+DriverChip(
+    "WAVESHARE-ESP32-P4-WIFI6-TOUCH-LCD-3.4C",
+    height=800,
+    width=800,
+    hsync_back_porch=20,
+    hsync_pulse_width=20,
+    hsync_front_porch=40,
+    vsync_back_porch=12,
+    vsync_pulse_width=4,
+    vsync_front_porch=24,
+    pclk_frequency="80MHz",
+    lane_bit_rate="1.5Gbps",
+    swap_xy=cv.UNDEFINED,
+    color_order="RGB",
+    initsequence=[
+        (0xE0, 0x00),  # select userpage
+        (0xE1, 0x93), (0xE2, 0x65), (0xE3, 0xF8),
+        (0x80, 0x01),  # Select number of lanes (2)
+        (0xE0, 0x01),  # select page 1
+        (0x00, 0x00), (0x01, 0x41), (0x03, 0x10), (0x04, 0x44), (0x17, 0x00), (0x18, 0xD0), (0x19, 0x00), (0x1A, 0x00),
+        (0x1B, 0xD0), (0x1C, 0x00), (0x24, 0xFE), (0x35, 0x26), (0x37, 0x09), (0x38, 0x04), (0x39, 0x08), (0x3A, 0x0A),
+        (0x3C, 0x78), (0x3D, 0xFF), (0x3E, 0xFF), (0x3F, 0xFF), (0x40, 0x00), (0x41, 0x64), (0x42, 0xC7), (0x43, 0x18),
+        (0x44, 0x0B), (0x45, 0x14), (0x55, 0x02), (0x57, 0x49), (0x59, 0x0A), (0x5A, 0x1B), (0x5B, 0x19), (0x5D, 0x7F),
+        (0x5E, 0x56), (0x5F, 0x43), (0x60, 0x37), (0x61, 0x33), (0x62, 0x25), (0x63, 0x2A), (0x64, 0x16), (0x65, 0x30),
+        (0x66, 0x2F), (0x67, 0x32), (0x68, 0x53), (0x69, 0x43), (0x6A, 0x4C), (0x6B, 0x40), (0x6C, 0x3D), (0x6D, 0x31),
+        (0x6E, 0x20), (0x6F, 0x0F), (0x70, 0x7F), (0x71, 0x56), (0x72, 0x43), (0x73, 0x37), (0x74, 0x33), (0x75, 0x25),
+        (0x76, 0x2A), (0x77, 0x16), (0x78, 0x30), (0x79, 0x2F), (0x7A, 0x32), (0x7B, 0x53), (0x7C, 0x43), (0x7D, 0x4C),
+        (0x7E, 0x40), (0x7F, 0x3D), (0x80, 0x31), (0x81, 0x20), (0x82, 0x0F),
+        (0xE0, 0x02),  # select page 2
+        (0x00, 0x5F), (0x01, 0x5F), (0x02, 0x5E), (0x03, 0x5E), (0x04, 0x50), (0x05, 0x48), (0x06, 0x48), (0x07, 0x4A),
+        (0x08, 0x4A), (0x09, 0x44), (0x0A, 0x44), (0x0B, 0x46), (0x0C, 0x46), (0x0D, 0x5F), (0x0E, 0x5F), (0x0F, 0x57),
+        (0x10, 0x57), (0x11, 0x77), (0x12, 0x77), (0x13, 0x40), (0x14, 0x42), (0x15, 0x5F), (0x16, 0x5F), (0x17, 0x5F),
+        (0x18, 0x5E), (0x19, 0x5E), (0x1A, 0x50), (0x1B, 0x49), (0x1C, 0x49), (0x1D, 0x4B), (0x1E, 0x4B), (0x1F, 0x45),
+        (0x20, 0x45), (0x21, 0x47), (0x22, 0x47), (0x23, 0x5F), (0x24, 0x5F), (0x25, 0x57), (0x26, 0x57), (0x27, 0x77),
+        (0x28, 0x77), (0x29, 0x41), (0x2A, 0x43), (0x2B, 0x5F), (0x2C, 0x1E), (0x2D, 0x1E), (0x2E, 0x1F), (0x2F, 0x1F),
+        (0x30, 0x10), (0x31, 0x07), (0x32, 0x07), (0x33, 0x05), (0x34, 0x05), (0x35, 0x0B), (0x36, 0x0B), (0x37, 0x09),
+        (0x38, 0x09), (0x39, 0x1F), (0x3A, 0x1F), (0x3B, 0x17), (0x3C, 0x17), (0x3D, 0x17), (0x3E, 0x17), (0x3F, 0x03),
+        (0x40, 0x01), (0x41, 0x1F), (0x42, 0x1E), (0x43, 0x1E), (0x44, 0x1F), (0x45, 0x1F), (0x46, 0x10), (0x47, 0x06),
+        (0x48, 0x06), (0x49, 0x04), (0x4A, 0x04), (0x4B, 0x0A), (0x4C, 0x0A), (0x4D, 0x08), (0x4E, 0x08), (0x4F, 0x1F),
+        (0x50, 0x1F), (0x51, 0x17), (0x52, 0x17), (0x53, 0x17), (0x54, 0x17), (0x55, 0x02), (0x56, 0x00), (0x57, 0x1F),
+        (0xE0, 0x02),  # select page 2
+        (0x58, 0x40), (0x59, 0x00), (0x5A, 0x00), (0x5B, 0x30), (0x5C, 0x01), (0x5D, 0x30), (0x5E, 0x01), (0x5F, 0x02),
+        (0x60, 0x30), (0x61, 0x03), (0x62, 0x04), (0x63, 0x04), (0x64, 0xA6), (0x65, 0x43), (0x66, 0x30), (0x67, 0x73),
+        (0x68, 0x05), (0x69, 0x04), (0x6A, 0x7F), (0x6B, 0x08), (0x6C, 0x00), (0x6D, 0x04), (0x6E, 0x04), (0x6F, 0x88),
+        (0x75, 0xD9), (0x76, 0x00), (0x77, 0x33), (0x78, 0x43),
+        (0xE0, 0x00),  # select userpage
+    ],
+)
+
+DriverChip(
+    "WAVESHARE-ESP32-P4-WIFI6-TOUCH-LCD-4C",
+    height=720,
+    width=720,
+    hsync_back_porch=20,
+    hsync_pulse_width=20,
+    hsync_front_porch=40,
+    vsync_back_porch=12,
+    vsync_pulse_width=4,
+    vsync_front_porch=24,
+    pclk_frequency="80MHz",
+    lane_bit_rate="1.5Gbps",
+    swap_xy=cv.UNDEFINED,
+    color_order="RGB",
+    initsequence=[
+        (0xE0, 0x00),  # select userpage
+        (0xE1, 0x93), (0xE2, 0x65), (0xE3, 0xF8),
+        (0x80, 0x01),  # Select number of lanes (2)
+        (0xE0, 0x01),  # select page 1
+        (0x00, 0x00), (0x01, 0x41), (0x03, 0x10), (0x04, 0x44), (0x17, 0x00), (0x18, 0xD0), (0x19, 0x00), (0x1A, 0x00),
+        (0x1B, 0xD0), (0x1C, 0x00), (0x24, 0xFE), (0x35, 0x26), (0x37, 0x09), (0x38, 0x04), (0x39, 0x08), (0x3A, 0x0A),
+        (0x3C, 0x78), (0x3D, 0xFF), (0x3E, 0xFF), (0x3F, 0xFF), (0x40, 0x04), (0x41, 0x64), (0x42, 0xC7), (0x43, 0x18),
+        (0x44, 0x0B), (0x45, 0x14), (0x55, 0x02), (0x57, 0x49), (0x59, 0x0A), (0x5A, 0x1B), (0x5B, 0x19), (0x5D, 0x7F),
+        (0x5E, 0x56), (0x5F, 0x43), (0x60, 0x37), (0x61, 0x33), (0x62, 0x25), (0x63, 0x2A), (0x64, 0x16), (0x65, 0x30),
+        (0x66, 0x2F), (0x67, 0x32), (0x68, 0x53), (0x69, 0x43), (0x6A, 0x4C), (0x6B, 0x40), (0x6C, 0x3D), (0x6D, 0x31),
+        (0x6E, 0x20), (0x6F, 0x0F), (0x70, 0x7F), (0x71, 0x56), (0x72, 0x43), (0x73, 0x37), (0x74, 0x33), (0x75, 0x25),
+        (0x76, 0x2A), (0x77, 0x16), (0x78, 0x30), (0x79, 0x2F), (0x7A, 0x32), (0x7B, 0x53), (0x7C, 0x43), (0x7D, 0x4C),
+        (0x7E, 0x40), (0x7F, 0x3D), (0x80, 0x31), (0x81, 0x20), (0x82, 0x0F),
+        (0xE0, 0x02),  # select page 2
+        (0x00, 0x5F), (0x01, 0x5F), (0x02, 0x5E), (0x03, 0x5E), (0x04, 0x50), (0x05, 0x48), (0x06, 0x48), (0x07, 0x4A),
+        (0x08, 0x4A), (0x09, 0x44), (0x0A, 0x44), (0x0B, 0x46), (0x0C, 0x46), (0x0D, 0x5F), (0x0E, 0x5F), (0x0F, 0x57),
+        (0x10, 0x57), (0x11, 0x77), (0x12, 0x77), (0x13, 0x40), (0x14, 0x42), (0x15, 0x5F), (0x16, 0x5F), (0x17, 0x5F),
+        (0x18, 0x5E), (0x19, 0x5E), (0x1A, 0x50), (0x1B, 0x49), (0x1C, 0x49), (0x1D, 0x4B), (0x1E, 0x4B), (0x1F, 0x45),
+        (0x20, 0x45), (0x21, 0x47), (0x22, 0x47), (0x23, 0x5F), (0x24, 0x5F), (0x25, 0x57), (0x26, 0x57), (0x27, 0x77),
+        (0x28, 0x77), (0x29, 0x41), (0x2A, 0x43), (0x2B, 0x5F), (0x2C, 0x1E), (0x2D, 0x1E), (0x2E, 0x1F), (0x2F, 0x1F),
+        (0x30, 0x10), (0x31, 0x07), (0x32, 0x07), (0x33, 0x05), (0x34, 0x05), (0x35, 0x0B), (0x36, 0x0B), (0x37, 0x09),
+        (0x38, 0x09), (0x39, 0x1F), (0x3A, 0x1F), (0x3B, 0x17), (0x3C, 0x17), (0x3D, 0x17), (0x3E, 0x17), (0x3F, 0x03),
+        (0x40, 0x01), (0x41, 0x1F), (0x42, 0x1E), (0x43, 0x1E), (0x44, 0x1F), (0x45, 0x1F), (0x46, 0x10), (0x47, 0x06),
+        (0x48, 0x06), (0x49, 0x04), (0x4A, 0x04), (0x4B, 0x0A), (0x4C, 0x0A), (0x4D, 0x08), (0x4E, 0x08), (0x4F, 0x1F),
+        (0x50, 0x1F), (0x51, 0x17), (0x52, 0x17), (0x53, 0x17), (0x54, 0x17), (0x55, 0x02), (0x56, 0x00), (0x57, 0x1F),
+        (0xE0, 0x02),  # select page 2
+        (0x58, 0x40), (0x59, 0x00), (0x5A, 0x00), (0x5B, 0x30), (0x5C, 0x01), (0x5D, 0x30), (0x5E, 0x01), (0x5F, 0x02),
+        (0x60, 0x30), (0x61, 0x03), (0x62, 0x04), (0x63, 0x04), (0x64, 0xA6), (0x65, 0x43), (0x66, 0x30), (0x67, 0x73),
+        (0x68, 0x05), (0x69, 0x04), (0x6A, 0x7F), (0x6B, 0x08), (0x6C, 0x00), (0x6D, 0x04), (0x6E, 0x04), (0x6F, 0x88),
+        (0x75, 0xD9), (0x76, 0x00), (0x77, 0x33), (0x78, 0x43),
+        (0xE0, 0x00),  # select userpage
+    ]
+)

esphome/components/mipi_rgb/display.py

@@ -11,7 +11,7 @@ from esphome.components.const import (
     CONF_DRAW_ROUNDING,
 )
 from esphome.components.display import CONF_SHOW_TEST_CARD
-from esphome.components.esp32 import VARIANT_ESP32S3, only_on_variant
+from esphome.components.esp32 import VARIANT_ESP32P4, VARIANT_ESP32S3, only_on_variant
 from esphome.components.mipi import (
     COLOR_ORDERS,
     CONF_DE_PIN,
@@ -225,7 +225,7 @@ def _config_schema(config):
     return cv.All(
         schema,
         cv.only_on_esp32,
-        only_on_variant(supported=[VARIANT_ESP32S3]),
+        only_on_variant(supported=[VARIANT_ESP32S3, VARIANT_ESP32P4]),
     )(config)
 
 

esphome/components/mipi_rgb/mipi_rgb.cpp

@@ -1,4 +1,4 @@
-#ifdef USE_ESP32_VARIANT_ESP32S3
+#if defined(USE_ESP32_VARIANT_ESP32S3) || defined(USE_ESP32_VARIANT_ESP32P4)
 #include "mipi_rgb.h"
 #include "esphome/core/gpio.h"
 #include "esphome/core/hal.h"
@@ -401,4 +401,4 @@ void MipiRgb::dump_config() {
 
 }  // namespace mipi_rgb
 }  // namespace esphome
-#endif  // USE_ESP32_VARIANT_ESP32S3
+#endif  // defined(USE_ESP32_VARIANT_ESP32S3) || defined(USE_ESP32_VARIANT_ESP32P4)

esphome/components/mipi_rgb/mipi_rgb.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#ifdef USE_ESP32_VARIANT_ESP32S3
+#if defined(USE_ESP32_VARIANT_ESP32S3) || defined(USE_ESP32_VARIANT_ESP32P4)
 #include "esphome/core/gpio.h"
 #include "esphome/components/display/display.h"
 #include "esp_lcd_panel_ops.h"
@@ -28,7 +28,7 @@ class MipiRgb : public display::Display {
   void setup() override;
   void loop() override;
   void update() override;
-  void fill(Color color);
+  void fill(Color color) override;
   void draw_pixels_at(int x_start, int y_start, int w, int h, const uint8_t *ptr, display::ColorOrder order,
                       display::ColorBitness bitness, bool big_endian, int x_offset, int y_offset, int x_pad) override;
   void write_to_display_(int x_start, int y_start, int w, int h, const uint8_t *ptr, int x_offset, int y_offset,
@@ -115,7 +115,7 @@ class MipiRgbSpi : public MipiRgb,
   void write_command_(uint8_t value);
   void write_data_(uint8_t value);
   void write_init_sequence_();
-  void dump_config();
+  void dump_config() override;
 
   GPIOPin *dc_pin_{nullptr};
   std::vector<uint8_t> init_sequence_;

esphome/components/modbus/modbus.cpp

@@ -20,10 +20,10 @@ void Modbus::loop() {
   const uint32_t now = App.get_loop_component_start_time();
 
   // Read all available bytes in batches to reduce UART call overhead.
-  int avail = this->available();
+  size_t avail = this->available();
   uint8_t buf[64];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/nextion/nextion.cpp

@@ -398,10 +398,10 @@ bool Nextion::remove_from_q_(bool report_empty) {
 
 void Nextion::process_serial_() {
   // Read all available bytes in batches to reduce UART call overhead.
-  int avail = this->available();
+  size_t avail = this->available();
   uint8_t buf[64];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/pipsolar/pipsolar.cpp

@@ -14,9 +14,9 @@ void Pipsolar::setup() {
 
 void Pipsolar::empty_uart_buffer_() {
   uint8_t buf[64];
-  int avail;
+  size_t avail;
   while ((avail = this->available()) > 0) {
-    if (!this->read_array(buf, std::min(static_cast<size_t>(avail), sizeof(buf)))) {
+    if (!this->read_array(buf, std::min(avail, sizeof(buf)))) {
       break;
     }
   }
@@ -97,10 +97,10 @@ void Pipsolar::loop() {
   }
 
   if (this->state_ == STATE_COMMAND || this->state_ == STATE_POLL) {
-    int avail = this->available();
+    size_t avail = this->available();
     while (avail > 0) {
       uint8_t buf[64];
-      size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+      size_t to_read = std::min(avail, sizeof(buf));
       if (!this->read_array(buf, to_read)) {
         break;
       }

esphome/components/pylontech/pylontech.cpp

@@ -56,17 +56,23 @@ void PylontechComponent::setup() {
 void PylontechComponent::update() { this->write_str("pwr\n"); }
 
 void PylontechComponent::loop() {
-  if (this->available() > 0) {
+  size_t avail = this->available();
+  if (avail > 0) {
     // pylontech sends a lot of data very suddenly
     // we need to quickly put it all into our own buffer, otherwise the uart's buffer will overflow
-    uint8_t data;
     int recv = 0;
-    while (this->available() > 0) {
-      if (this->read_byte(&data)) {
-        buffer_[buffer_index_write_] += (char) data;
-        recv++;
-        if (buffer_[buffer_index_write_].back() == static_cast<char>(ASCII_LF) ||
-            buffer_[buffer_index_write_].length() >= MAX_DATA_LENGTH_BYTES) {
+    uint8_t buf[64];
+    while (avail > 0) {
+      size_t to_read = std::min(avail, sizeof(buf));
+      if (!this->read_array(buf, to_read)) {
+        break;
+      }
+      avail -= to_read;
+      recv += to_read;
+
+      for (size_t i = 0; i < to_read; i++) {
+        buffer_[buffer_index_write_] += (char) buf[i];
+        if (buf[i] == ASCII_LF || buffer_[buffer_index_write_].length() >= MAX_DATA_LENGTH_BYTES) {
           // complete line received
           buffer_index_write_ = (buffer_index_write_ + 1) % NUM_BUFFERS;
         }

esphome/components/rd03d/rd03d.cpp

@@ -82,10 +82,10 @@ void RD03DComponent::dump_config() {
 
 void RD03DComponent::loop() {
   // Read all available bytes in batches to reduce UART call overhead.
-  int avail = this->available();
+  size_t avail = this->available();
   uint8_t buf[64];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/rf_bridge/rf_bridge.cpp

@@ -136,10 +136,10 @@ void RFBridgeComponent::loop() {
     this->last_bridge_byte_ = now;
   }
 
-  int avail = this->available();
+  size_t avail = this->available();
   while (avail > 0) {
     uint8_t buf[64];
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/seeed_mr24hpc1/seeed_mr24hpc1.cpp

@@ -107,10 +107,10 @@ void MR24HPC1Component::update_() {
 // main loop
 void MR24HPC1Component::loop() {
   // Read all available bytes in batches to reduce UART call overhead.
-  int avail = this->available();
+  size_t avail = this->available();
   uint8_t buf[64];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/seeed_mr60bha2/seeed_mr60bha2.cpp

@@ -31,10 +31,10 @@ void MR60BHA2Component::dump_config() {
 // main loop
 void MR60BHA2Component::loop() {
   // Read all available bytes in batches to reduce UART call overhead.
-  int avail = this->available();
+  size_t avail = this->available();
   uint8_t buf[64];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/seeed_mr60fda2/seeed_mr60fda2.cpp

@@ -50,10 +50,10 @@ void MR60FDA2Component::setup() {
 // main loop
 void MR60FDA2Component::loop() {
   // Read all available bytes in batches to reduce UART call overhead.
-  int avail = this->available();
+  size_t avail = this->available();
   uint8_t buf[64];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/tormatic/tormatic_cover.cpp

@@ -251,7 +251,7 @@ void Tormatic::stop_at_target_() {
 // Read a GateStatus from the unit. The unit only sends messages in response to
 // status requests or commands, so a message needs to be sent first.
 optional<GateStatus> Tormatic::read_gate_status_() {
-  if (this->available() < static_cast<int>(sizeof(MessageHeader))) {
+  if (this->available() < sizeof(MessageHeader)) {
     return {};
   }
 

esphome/components/tuya/tuya.cpp

@@ -32,10 +32,10 @@ void Tuya::setup() {
 
 void Tuya::loop() {
   // Read all available bytes in batches to reduce UART call overhead.
-  int avail = this->available();
+  size_t avail = this->available();
   uint8_t buf[64];
   while (avail > 0) {
-    size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+    size_t to_read = std::min(avail, sizeof(buf));
     if (!this->read_array(buf, to_read)) {
       break;
     }

esphome/components/uart/uart.cpp

@@ -3,12 +3,16 @@
 #include "esphome/core/defines.h"
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
+#include "esphome/core/progmem.h"
 #include <cinttypes>
 
 namespace esphome::uart {
 
 static const char *const TAG = "uart";
 
+// UART parity strings indexed by UARTParityOptions enum (0-2): NONE, EVEN, ODD
+PROGMEM_STRING_TABLE(UARTParityStrings, "NONE", "EVEN", "ODD", "UNKNOWN");
+
 void UARTDevice::check_uart_settings(uint32_t baud_rate, uint8_t stop_bits, UARTParityOptions parity,
                                      uint8_t data_bits) {
   if (this->parent_->get_baud_rate() != baud_rate) {
@@ -30,16 +34,7 @@ void UARTDevice::check_uart_settings(uint32_t baud_rate, uint8_t stop_bits, UART
 }
 
 const LogString *parity_to_str(UARTParityOptions parity) {
-  switch (parity) {
-    case UART_CONFIG_PARITY_NONE:
-      return LOG_STR("NONE");
-    case UART_CONFIG_PARITY_EVEN:
-      return LOG_STR("EVEN");
-    case UART_CONFIG_PARITY_ODD:
-      return LOG_STR("ODD");
-    default:
-      return LOG_STR("UNKNOWN");
-  }
+  return UARTParityStrings::get_log_str(static_cast<uint8_t>(parity), UARTParityStrings::LAST_INDEX);
 }
 
 }  // namespace esphome::uart

esphome/components/uart/uart.h

@@ -43,7 +43,7 @@ class UARTDevice {
     return res;
   }
 
-  int available() { return this->parent_->available(); }
+  size_t available() { return this->parent_->available(); }
 
   void flush() { this->parent_->flush(); }
 

esphome/components/uart/uart_component.cpp

@@ -5,13 +5,13 @@ namespace esphome::uart {
 static const char *const TAG = "uart";
 
 bool UARTComponent::check_read_timeout_(size_t len) {
-  if (this->available() >= int(len))
+  if (this->available() >= len)
     return true;
 
   uint32_t start_time = millis();
-  while (this->available() < int(len)) {
+  while (this->available() < len) {
     if (millis() - start_time > 100) {
-      ESP_LOGE(TAG, "Reading from UART timed out at byte %u!", this->available());
+      ESP_LOGE(TAG, "Reading from UART timed out at byte %zu!", this->available());
       return false;
     }
     yield();

esphome/components/uart/uart_component.h

@@ -69,7 +69,7 @@ class UARTComponent {
 
   // Pure virtual method to return the number of bytes available for reading.
   // @return Number of available bytes.
-  virtual int available() = 0;
+  virtual size_t available() = 0;
 
   // Pure virtual method to block until all bytes have been written to the UART bus.
   virtual void flush() = 0;

esphome/components/uart/uart_component_esp8266.cpp

@@ -206,7 +206,7 @@ bool ESP8266UartComponent::read_array(uint8_t *data, size_t len) {
 #endif
   return true;
 }
-int ESP8266UartComponent::available() {
+size_t ESP8266UartComponent::available() {
   if (this->hw_serial_ != nullptr) {
     return this->hw_serial_->available();
   } else {
@@ -329,11 +329,14 @@ uint8_t ESP8266SoftwareSerial::peek_byte() {
 void ESP8266SoftwareSerial::flush() {
   // Flush is a NO-OP with software serial, all bytes are written immediately.
 }
-int ESP8266SoftwareSerial::available() {
-  int avail = int(this->rx_in_pos_) - int(this->rx_out_pos_);
-  if (avail < 0)
-    return avail + this->rx_buffer_size_;
-  return avail;
+size_t ESP8266SoftwareSerial::available() {
+  // Read volatile rx_in_pos_ once to avoid TOCTOU race with ISR.
+  // When in >= out, data is contiguous: [out..in).
+  // When in < out, data wraps: [out..buf_size) + [0..in).
+  size_t in = this->rx_in_pos_;
+  if (in >= this->rx_out_pos_)
+    return in - this->rx_out_pos_;
+  return this->rx_buffer_size_ - this->rx_out_pos_ + in;
 }
 
 }  // namespace esphome::uart

esphome/components/uart/uart_component_esp8266.h

@@ -23,7 +23,7 @@ class ESP8266SoftwareSerial {
 
   void write_byte(uint8_t data);
 
-  int available();
+  size_t available();
 
  protected:
   static void gpio_intr(ESP8266SoftwareSerial *arg);
@@ -57,7 +57,7 @@ class ESP8266UartComponent : public UARTComponent, public Component {
   bool peek_byte(uint8_t *data) override;
   bool read_array(uint8_t *data, size_t len) override;
 
-  int available() override;
+  size_t available() override;
   void flush() override;
 
   uint32_t get_config();

esphome/components/uart/uart_component_esp_idf.cpp

@@ -338,7 +338,7 @@ bool IDFUARTComponent::read_array(uint8_t *data, size_t len) {
   return read_len == (int32_t) length_to_read;
 }
 
-int IDFUARTComponent::available() {
+size_t IDFUARTComponent::available() {
   size_t available = 0;
   esp_err_t err;
 

esphome/components/uart/uart_component_esp_idf.h

@@ -22,7 +22,7 @@ class IDFUARTComponent : public UARTComponent, public Component {
   bool peek_byte(uint8_t *data) override;
   bool read_array(uint8_t *data, size_t len) override;
 
-  int available() override;
+  size_t available() override;
   void flush() override;
 
   uint8_t get_hw_serial_number() { return this->uart_num_; }

esphome/components/uart/uart_component_host.cpp

@@ -265,7 +265,7 @@ bool HostUartComponent::read_array(uint8_t *data, size_t len) {
   return true;
 }
 
-int HostUartComponent::available() {
+size_t HostUartComponent::available() {
   if (this->file_descriptor_ == -1) {
     return 0;
   }
@@ -275,9 +275,10 @@ int HostUartComponent::available() {
     this->update_error_(strerror(errno));
     return 0;
   }
+  size_t result = available;
   if (this->has_peek_)
-    available++;
-  return available;
+    result++;
+  return result;
 };
 
 void HostUartComponent::flush() {

esphome/components/uart/uart_component_host.h

@@ -17,7 +17,7 @@ class HostUartComponent : public UARTComponent, public Component {
   void write_array(const uint8_t *data, size_t len) override;
   bool peek_byte(uint8_t *data) override;
   bool read_array(uint8_t *data, size_t len) override;
-  int available() override;
+  size_t available() override;
   void flush() override;
   void set_name(std::string port_name) { port_name_ = port_name; };
 

esphome/components/uart/uart_component_libretiny.cpp

@@ -169,7 +169,7 @@ bool LibreTinyUARTComponent::read_array(uint8_t *data, size_t len) {
   return true;
 }
 
-int LibreTinyUARTComponent::available() { return this->serial_->available(); }
+size_t LibreTinyUARTComponent::available() { return this->serial_->available(); }
 void LibreTinyUARTComponent::flush() {
   ESP_LOGVV(TAG, "    Flushing");
   this->serial_->flush();

esphome/components/uart/uart_component_libretiny.h

@@ -21,7 +21,7 @@ class LibreTinyUARTComponent : public UARTComponent, public Component {
   bool peek_byte(uint8_t *data) override;
   bool read_array(uint8_t *data, size_t len) override;
 
-  int available() override;
+  size_t available() override;
   void flush() override;
 
   uint16_t get_config();

esphome/components/uart/uart_component_rp2040.cpp

@@ -186,7 +186,7 @@ bool RP2040UartComponent::read_array(uint8_t *data, size_t len) {
 #endif
   return true;
 }
-int RP2040UartComponent::available() { return this->serial_->available(); }
+size_t RP2040UartComponent::available() { return this->serial_->available(); }
 void RP2040UartComponent::flush() {
   ESP_LOGVV(TAG, "    Flushing");
   this->serial_->flush();

esphome/components/uart/uart_component_rp2040.h

@@ -24,7 +24,7 @@ class RP2040UartComponent : public UARTComponent, public Component {
   bool peek_byte(uint8_t *data) override;
   bool read_array(uint8_t *data, size_t len) override;
 
-  int available() override;
+  size_t available() override;
   void flush() override;
 
   uint16_t get_config();

esphome/components/usb_cdc_acm/usb_cdc_acm.h

@@ -81,7 +81,7 @@ class USBCDCACMInstance : public uart::UARTComponent, public Parented<USBCDCACMC
   void write_array(const uint8_t *data, size_t len) override;
   bool peek_byte(uint8_t *data) override;
   bool read_array(uint8_t *data, size_t len) override;
-  int available() override;
+  size_t available() override;
   void flush() override;
 
  protected:

esphome/components/usb_cdc_acm/usb_cdc_acm_esp32.cpp

@@ -318,12 +318,12 @@ bool USBCDCACMInstance::read_array(uint8_t *data, size_t len) {
   return bytes_read == original_len;
 }
 
-int USBCDCACMInstance::available() {
+size_t USBCDCACMInstance::available() {
   UBaseType_t waiting = 0;
   if (this->usb_rx_ringbuf_ != nullptr) {
     vRingbufferGetInfo(this->usb_rx_ringbuf_, nullptr, nullptr, nullptr, nullptr, &waiting);
   }
-  return static_cast<int>(waiting) + (this->has_peek_ ? 1 : 0);
+  return waiting + (this->has_peek_ ? 1 : 0);
 }
 
 void USBCDCACMInstance::flush() {

esphome/components/usb_uart/usb_uart.h

@@ -97,7 +97,7 @@ class USBUartChannel : public uart::UARTComponent, public Parented<USBUartCompon
   bool peek_byte(uint8_t *data) override;
   ;
   bool read_array(uint8_t *data, size_t len) override;
-  int available() override { return static_cast<int>(this->input_buffer_.get_available()); }
+  size_t available() override { return this->input_buffer_.get_available(); }
   void flush() override {}
   void check_logger_conflict() override {}
   void set_parity(UARTParityOptions parity) { this->parity_ = parity; }

esphome/components/voice_assistant/__init__.py

@@ -371,7 +371,12 @@ async def to_code(config):
     if on_timer_tick := config.get(CONF_ON_TIMER_TICK):
         await automation.build_automation(
             var.get_timer_tick_trigger(),
-            [(cg.std_vector.template(Timer), "timers")],
+            [
+                (
+                    cg.std_vector.template(Timer).operator("const").operator("ref"),
+                    "timers",
+                )
+            ],
             on_timer_tick,
         )
         has_timers = True

esphome/components/voice_assistant/voice_assistant.cpp

@@ -859,35 +859,43 @@ void VoiceAssistant::on_audio(const api::VoiceAssistantAudio &msg) {
 }
 
 void VoiceAssistant::on_timer_event(const api::VoiceAssistantTimerEventResponse &msg) {
-  Timer timer = {
-      .id = msg.timer_id,
-      .name = msg.name,
-      .total_seconds = msg.total_seconds,
-      .seconds_left = msg.seconds_left,
-      .is_active = msg.is_active,
-  };
-  this->timers_[timer.id] = timer;
+  // Find existing timer or add a new one
+  auto it = this->timers_.begin();
+  for (; it != this->timers_.end(); ++it) {
+    if (it->id == msg.timer_id)
+      break;
+  }
+  if (it == this->timers_.end()) {
+    this->timers_.push_back({});
+    it = this->timers_.end() - 1;
+  }
+  it->id = msg.timer_id;
+  it->name = msg.name;
+  it->total_seconds = msg.total_seconds;
+  it->seconds_left = msg.seconds_left;
+  it->is_active = msg.is_active;
+
   char timer_buf[Timer::TO_STR_BUFFER_SIZE];
   ESP_LOGD(TAG,
            "Timer Event\n"
            "  Type: %" PRId32 "\n"
            "  %s",
-           msg.event_type, timer.to_str(timer_buf));
+           msg.event_type, it->to_str(timer_buf));
 
   switch (msg.event_type) {
     case api::enums::VOICE_ASSISTANT_TIMER_STARTED:
-      this->timer_started_trigger_.trigger(timer);
+      this->timer_started_trigger_.trigger(*it);
       break;
     case api::enums::VOICE_ASSISTANT_TIMER_UPDATED:
-      this->timer_updated_trigger_.trigger(timer);
+      this->timer_updated_trigger_.trigger(*it);
       break;
     case api::enums::VOICE_ASSISTANT_TIMER_CANCELLED:
-      this->timer_cancelled_trigger_.trigger(timer);
-      this->timers_.erase(timer.id);
+      this->timer_cancelled_trigger_.trigger(*it);
+      this->timers_.erase(it);
       break;
     case api::enums::VOICE_ASSISTANT_TIMER_FINISHED:
-      this->timer_finished_trigger_.trigger(timer);
-      this->timers_.erase(timer.id);
+      this->timer_finished_trigger_.trigger(*it);
+      this->timers_.erase(it);
       break;
   }
 
@@ -901,16 +909,12 @@ void VoiceAssistant::on_timer_event(const api::VoiceAssistantTimerEventResponse
 }
 
 void VoiceAssistant::timer_tick_() {
-  std::vector<Timer> res;
-  res.reserve(this->timers_.size());
-  for (auto &pair : this->timers_) {
-    auto &timer = pair.second;
+  for (auto &timer : this->timers_) {
     if (timer.is_active && timer.seconds_left > 0) {
       timer.seconds_left--;
     }
-    res.push_back(timer);
   }
-  this->timer_tick_trigger_.trigger(res);
+  this->timer_tick_trigger_.trigger(this->timers_);
 }
 
 void VoiceAssistant::on_announce(const api::VoiceAssistantAnnounceRequest &msg) {

esphome/components/voice_assistant/voice_assistant.h

@@ -24,7 +24,6 @@
 #include "esphome/components/socket/socket.h"
 
 #include <span>
-#include <unordered_map>
 #include <vector>
 
 namespace esphome {
@@ -226,9 +225,9 @@ class VoiceAssistant : public Component {
   Trigger<Timer> *get_timer_updated_trigger() { return &this->timer_updated_trigger_; }
   Trigger<Timer> *get_timer_cancelled_trigger() { return &this->timer_cancelled_trigger_; }
   Trigger<Timer> *get_timer_finished_trigger() { return &this->timer_finished_trigger_; }
-  Trigger<std::vector<Timer>> *get_timer_tick_trigger() { return &this->timer_tick_trigger_; }
+  Trigger<const std::vector<Timer> &> *get_timer_tick_trigger() { return &this->timer_tick_trigger_; }
   void set_has_timers(bool has_timers) { this->has_timers_ = has_timers; }
-  const std::unordered_map<std::string, Timer> &get_timers() const { return this->timers_; }
+  const std::vector<Timer> &get_timers() const { return this->timers_; }
 
  protected:
   bool allocate_buffers_();
@@ -267,13 +266,13 @@ class VoiceAssistant : public Component {
 
   api::APIConnection *api_client_{nullptr};
 
-  std::unordered_map<std::string, Timer> timers_;
+  std::vector<Timer> timers_;
   void timer_tick_();
   Trigger<Timer> timer_started_trigger_;
   Trigger<Timer> timer_finished_trigger_;
   Trigger<Timer> timer_updated_trigger_;
   Trigger<Timer> timer_cancelled_trigger_;
-  Trigger<std::vector<Timer>> timer_tick_trigger_;
+  Trigger<const std::vector<Timer> &> timer_tick_trigger_;
   bool has_timers_{false};
   bool timer_tick_running_{false};
 

esphome/components/water_heater/water_heater.h

@@ -90,9 +90,22 @@ class WaterHeaterCall {
   float get_target_temperature_low() const { return this->target_temperature_low_; }
   float get_target_temperature_high() const { return this->target_temperature_high_; }
   /// Get state flags value
+  ESPDEPRECATED("get_state() is deprecated, use get_away() and get_on() instead. (Removed in 2026.8.0)", "2026.2.0")
   uint32_t get_state() const { return this->state_; }
-  /// Get mask of state flags that are being changed
-  uint32_t get_state_mask() const { return this->state_mask_; }
+
+  optional<bool> get_away() const {
+    if (this->state_mask_ & WATER_HEATER_STATE_AWAY) {
+      return (this->state_ & WATER_HEATER_STATE_AWAY) != 0;
+    }
+    return {};
+  }
+
+  optional<bool> get_on() const {
+    if (this->state_mask_ & WATER_HEATER_STATE_ON) {
+      return (this->state_ & WATER_HEATER_STATE_ON) != 0;
+    }
+    return {};
+  }
 
  protected:
   void validate_();

esphome/components/weikai/weikai.cpp

@@ -401,7 +401,7 @@ bool WeikaiChannel::peek_byte(uint8_t *buffer) {
   return this->receive_buffer_.peek(*buffer);
 }
 
-int WeikaiChannel::available() {
+size_t WeikaiChannel::available() {
   size_t available = this->receive_buffer_.count();
   if (!available)
     available = xfer_fifo_to_buffer_();

esphome/components/weikai/weikai.h

@@ -374,7 +374,7 @@ class WeikaiChannel : public uart::UARTComponent {
 
   /// @brief Returns the number of bytes in the receive buffer
   /// @return the number of bytes available in the receiver fifo
-  int available() override;
+  size_t available() override;
 
   /// @brief Flush the output fifo.
   /// @details If we refer to Serial.flush() in Arduino it says: ** Waits for the transmission of outgoing serial data

esphome/components/wifi/wpa2_eap.py

@@ -71,11 +71,9 @@ def _validate_load_certificate(value):
 
 
 def validate_certificate(value):
-    # _validate_load_certificate already calls cv.file_() internally,
-    # but returns the parsed certificate object.  We re-call cv.file_()
-    # to get the resolved path string that the bundle walker can discover.
     _validate_load_certificate(value)
-    return str(cv.file_(value))
+    # Validation result should be the path, not the loaded certificate
+    return value
 
 
 def _validate_load_private_key(key, cert_pw):

esphome/components/zigbee/zigbee_zephyr.cpp

@@ -3,6 +3,7 @@
 #include "esphome/core/log.h"
 #include <zephyr/settings/settings.h>
 #include <zephyr/storage/flash_map.h>
+#include "esphome/core/hal.h"
 
 extern "C" {
 #include <zboss_api.h>
@@ -223,6 +224,7 @@ void ZigbeeComponent::dump_config() {
                 get_wipe_on_boot(), YESNO(zb_zdo_joined()), zb_get_current_channel(), zb_get_current_page(),
                 zb_get_sleep_threshold(), role(), ieee_addr_buf, zb_get_short_address(), extended_pan_id_buf,
                 zb_get_pan_id());
+  dump_reporting_();
 }
 
 static void send_attribute_report(zb_bufid_t bufid, zb_uint16_t cmd_id) {
@@ -244,6 +246,33 @@ void ZigbeeComponent::factory_reset() {
   ZB_SCHEDULE_APP_CALLBACK(zb_bdb_reset_via_local_action, 0);
 }
 
+void ZigbeeComponent::dump_reporting_() {
+#ifdef ESPHOME_LOG_HAS_VERBOSE
+  auto now = millis();
+  bool first = true;
+  for (zb_uint8_t j = 0; j < ZCL_CTX().device_ctx->ep_count; j++) {
+    if (ZCL_CTX().device_ctx->ep_desc_list[j]->reporting_info) {
+      zb_zcl_reporting_info_t *rep_info = ZCL_CTX().device_ctx->ep_desc_list[j]->reporting_info;
+      for (zb_uint8_t i = 0; i < ZCL_CTX().device_ctx->ep_desc_list[j]->rep_info_count; i++) {
+        if (!first) {
+          ESP_LOGV(TAG, "");
+        }
+        first = false;
+        ESP_LOGV(TAG, "Endpoint: %d, cluster_id %d, attr_id %d, flags %d, report in %ums", rep_info->ep,
+                 rep_info->cluster_id, rep_info->attr_id, rep_info->flags,
+                 ZB_ZCL_GET_REPORTING_FLAG(rep_info, ZB_ZCL_REPORT_TIMER_STARTED)
+                     ? ZB_TIME_BEACON_INTERVAL_TO_MSEC(rep_info->run_time) - now
+                     : 0);
+        ESP_LOGV(TAG, "Min_interval %ds, max_interval %ds, def_min_interval %ds, def_max_interval %ds",
+                 rep_info->u.send_info.min_interval, rep_info->u.send_info.max_interval,
+                 rep_info->u.send_info.def_min_interval, rep_info->u.send_info.def_max_interval);
+        rep_info++;
+      }
+    }
+  }
+#endif
+}
+
 }  // namespace esphome::zigbee
 
 extern "C" void zboss_signal_handler(zb_uint8_t param) {

esphome/components/zigbee/zigbee_zephyr.h

@@ -87,6 +87,7 @@ class ZigbeeComponent : public Component {
 #ifdef USE_ZIGBEE_WIPE_ON_BOOT
   void erase_flash_(int area);
 #endif
+  void dump_reporting_();
   std::array<std::function<void(zb_bufid_t bufid)>, ZIGBEE_ENDPOINTS_COUNT> callbacks_{};
   CallbackManager<void()> join_cb_;
   Trigger<> join_trigger_;

esphome/core/component_iterator.h

@@ -26,6 +26,7 @@ class ComponentIterator {
  public:
   void begin(bool include_internal = false);
   void advance();
+  bool completed() const { return this->state_ == IteratorState::NONE; }
   virtual bool on_begin();
 #ifdef USE_BINARY_SENSOR
   virtual bool on_binary_sensor(binary_sensor::BinarySensor *binary_sensor) = 0;

esphome/yaml_util.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
-from collections.abc import Callable, Generator
-from contextlib import contextmanager, suppress
+from collections.abc import Callable
+from contextlib import suppress
 import functools
 import inspect
 from io import BytesIO, TextIOBase, TextIOWrapper
@@ -43,27 +43,6 @@ _LOGGER = logging.getLogger(__name__)
 SECRET_YAML = "secrets.yaml"
 _SECRET_CACHE = {}
 _SECRET_VALUES = {}
-# Not thread-safe — config processing is single-threaded today.
-_load_listeners: list[Callable[[Path], None]] = []
-
-
-@contextmanager
-def track_yaml_loads() -> Generator[list[Path]]:
-    """Context manager that records every file loaded by the YAML loader.
-
-    Yields a list that is populated with resolved Path objects for every
-    file loaded through ``_load_yaml_internal`` while the context is active.
-    """
-    loaded: list[Path] = []
-
-    def _on_load(fname: Path) -> None:
-        loaded.append(Path(fname).resolve())
-
-    _load_listeners.append(_on_load)
-    try:
-        yield loaded
-    finally:
-        _load_listeners.remove(_on_load)
 
 
 class ESPHomeDataBase:
@@ -449,8 +428,6 @@ def load_yaml(fname: Path, clear_secrets: bool = True) -> Any:
 
 def _load_yaml_internal(fname: Path) -> Any:
     """Load a YAML file."""
-    for listener in _load_listeners:
-        listener(fname)
     try:
         with fname.open(encoding="utf-8") as f_handle:
             return parse_yaml(fname, f_handle)
@@ -458,10 +435,10 @@ def _load_yaml_internal(fname: Path) -> Any:
         raise EsphomeError(f"Error reading file {fname}: {err}") from err
 
 
-def parse_yaml(file_name: Path, file_handle: TextIOWrapper, yaml_loader=None) -> Any:
+def parse_yaml(
+    file_name: Path, file_handle: TextIOWrapper, yaml_loader=_load_yaml_internal
+) -> Any:
     """Parse a YAML file."""
-    if yaml_loader is None:
-        yaml_loader = _load_yaml_internal
     try:
         return _load_yaml_internal_with_type(
             ESPHomeLoader, file_name, file_handle, yaml_loader

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools==80.10.2", "wheel>=0.43,<0.47"]
+requires = ["setuptools==82.0.0", "wheel>=0.43,<0.47"]
 build-backend = "setuptools.build_meta"
 
 [project]

tests/components/mipi_rgb/common.yaml

@@ -0,0 +1,52 @@
+display:
+  - platform: mipi_rgb
+    spi_id: spi_bus
+    model: ZX2D10GE01R-V4848
+    update_interval: 1s
+    color_order: BGR
+    draw_rounding: 2
+    pixel_mode: 18bit
+    invert_colors: false
+    use_axis_flips: true
+    pclk_frequency: 15000000.0
+    pclk_inverted: true
+    byte_order: big_endian
+    hsync_pulse_width: 10
+    hsync_back_porch: 10
+    hsync_front_porch: 10
+    vsync_pulse_width: 2
+    vsync_back_porch: 12
+    vsync_front_porch: 14
+    data_pins:
+      red:
+        - number: 10
+        - number: 16
+        - number: 9
+        - number: 15
+        - number: 46
+      green:
+        - number: 8
+        - number: 13
+        - number: 18
+        - number: 12
+        - number: 11
+        - number: 17
+      blue:
+        - number: 47
+        - number: 1
+        - number: 0
+        - number: 42
+        - number: 14
+    de_pin:
+      number: 39
+    pclk_pin:
+      number: 45
+    hsync_pin:
+      number: 38
+    vsync_pin:
+      number: 48
+    data_rate: 1000000.0
+    spi_mode: MODE0
+    cs_pin:
+      number: 21
+    show_test_card: true

tests/components/mipi_rgb/test.esp32-p4-idf.yaml

@@ -0,0 +1,6 @@
+packages:
+  spi: !include ../../test_build_components/common/spi/esp32-p4-idf.yaml
+
+psram:
+
+<<: !include common.yaml

tests/components/mipi_rgb/test.esp32-s3-idf.yaml

@@ -4,58 +4,4 @@ packages:
 psram:
   mode: octal
 
-display:
-  - platform: mipi_rgb
-    spi_id: spi_bus
-    model: ZX2D10GE01R-V4848
-    update_interval: 1s
-    color_order: BGR
-    draw_rounding: 2
-    pixel_mode: 18bit
-    invert_colors: false
-    use_axis_flips: true
-    pclk_frequency: 15000000.0
-    pclk_inverted: true
-    byte_order: big_endian
-    hsync_pulse_width: 10
-    hsync_back_porch: 10
-    hsync_front_porch: 10
-    vsync_pulse_width: 2
-    vsync_back_porch: 12
-    vsync_front_porch: 14
-    data_pins:
-      red:
-        - number: 10
-        - number: 16
-        - number: 9
-        - number: 15
-        - number: 46
-          ignore_strapping_warning: true
-      green:
-        - number: 8
-        - number: 13
-        - number: 18
-        - number: 12
-        - number: 11
-        - number: 17
-      blue:
-        - number: 47
-        - number: 1
-        - number: 0
-          ignore_strapping_warning: true
-        - number: 42
-        - number: 14
-    de_pin:
-      number: 39
-    pclk_pin:
-      number: 45
-      ignore_strapping_warning: true
-    hsync_pin:
-      number: 38
-    vsync_pin:
-      number: 48
-    data_rate: 1000000.0
-    spi_mode: MODE0
-    cs_pin:
-      number: 21
-    show_test_card: true
+<<: !include common.yaml

tests/components/uart/common.h

@@ -29,7 +29,7 @@ class MockUARTComponent : public UARTComponent {
 
   MOCK_METHOD(bool, read_array, (uint8_t * data, size_t len), (override));
   MOCK_METHOD(bool, peek_byte, (uint8_t * data), (override));
-  MOCK_METHOD(int, available, (), (override));
+  MOCK_METHOD(size_t, available, (), (override));
   MOCK_METHOD(void, flush, (), (override));
   MOCK_METHOD(void, check_logger_conflict, (), (override));
 };

tests/components/voice_assistant/common-idf.yaml

@@ -68,3 +68,24 @@ voice_assistant:
     - logger.log:
         format: "Voice assistant error - code %s, message: %s"
         args: [code.c_str(), message.c_str()]
+  on_timer_started:
+    - logger.log:
+        format: "Timer started: %s"
+        args: [timer.id.c_str()]
+  on_timer_updated:
+    - logger.log:
+        format: "Timer updated: %s"
+        args: [timer.id.c_str()]
+  on_timer_cancelled:
+    - logger.log:
+        format: "Timer cancelled: %s"
+        args: [timer.id.c_str()]
+  on_timer_finished:
+    - logger.log:
+        format: "Timer finished: %s"
+        args: [timer.id.c_str()]
+  on_timer_tick:
+    - lambda: |-
+        for (auto &timer : timers) {
+          ESP_LOGD("timer", "Timer %s: %" PRIu32 "s left", timer.name.c_str(), timer.seconds_left);
+        }

tests/components/voice_assistant/common.yaml

@@ -58,3 +58,24 @@ voice_assistant:
     - logger.log:
         format: "Voice assistant error - code %s, message: %s"
         args: [code.c_str(), message.c_str()]
+  on_timer_started:
+    - logger.log:
+        format: "Timer started: %s"
+        args: [timer.id.c_str()]
+  on_timer_updated:
+    - logger.log:
+        format: "Timer updated: %s"
+        args: [timer.id.c_str()]
+  on_timer_cancelled:
+    - logger.log:
+        format: "Timer cancelled: %s"
+        args: [timer.id.c_str()]
+  on_timer_finished:
+    - logger.log:
+        format: "Timer finished: %s"
+        args: [timer.id.c_str()]
+  on_timer_tick:
+    - lambda: |-
+        for (auto &timer : timers) {
+          ESP_LOGD("timer", "Timer %s: %" PRIu32 "s left", timer.name.c_str(), timer.seconds_left);
+        }

tests/test_build_components/common/spi/esp32-p4-idf.yaml

@@ -0,0 +1,12 @@
+# Common SPI configuration for ESP32-P4 IDF tests
+
+substitutions:
+  clk_pin: GPIO36
+  mosi_pin: GPIO32
+  miso_pin: GPIO33
+
+spi:
+  - id: spi_bus
+    clk_pin: ${clk_pin}
+    mosi_pin: ${mosi_pin}
+    miso_pin: ${miso_pin}

tests/unit_tests/fixtures/bundle/assets/certs/ca_cert.pem

@@ -1,18 +0,0 @@
------BEGIN CERTIFICATE-----
-MIICzjCCAbagAwIBAgIUW3BzjtekVgMj12/oeXawSswGyXMwDQYJKoZIhvcNAQEL
-BQAwITEfMB0GA1UEAwwWRVNQSG9tZSBCdW5kbGUgVGVzdCBDQTAeFw0yNjAyMDYx
-MzMxMTZaFw0yNzAyMDYxMzMxMTZaMCExHzAdBgNVBAMMFkVTUEhvbWUgQnVuZGxl
-IFRlc3QgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDG62vBFkGn
-hEu54gh2A7b1ZwesVadZ6u0iaVO7GSWiI0o4nb6xv7ULZbGrgsKNIO6qCV4VSR3p
-BfMhF5dFy8kkMzA8dKZMk16tygzocdNum2QQ8BHyIsATL7SGZ33si9Alp30gXv6h
-XSlEKYDKHFavkDhWPFNa5+oeHbMS/MxjpOUXIpq32VaFpJr427d9Y9wGjuK8B7Gp
-CI5Ub1g2dpC9xSHqQKD3JZokmtc70+mD74AcNWbyxWp0bkW9wOfNJJnAoiwhJxQ8
-yfE37UsUIVc8014NhdhU1K/S0iQuOKfGX1L/GAshv8syQIcDfzJuJdX+5E/leAYD
-UEKqRkcLT+D5AgMBAAEwDQYJKoZIhvcNAQELBQADggEBAF1HpJ6d+W5WrzOQrGej
-41pxCDeJ9tSiSj/KtvJfjEVIpg0hMRTY7nSL7OAg9KGESfx4u1jMwVnyOv34br5B
-DTlRl+wF2k7Ip8CNnyZfCC+1SVQZpUt1mVNz8BhIZZ9/a830wCILNQQrVKkSeNBk
-SEc1qTt4mIhQZ+M422qAswluv4fz/FW1f4oB9KhCpzUCANjmyERnqTnImjnJu8h0
-jbPNnNsN+G+Roju8UD/7atWYfAUmDjHx72Ci/5G9SzoM5fhgxxu43XYd5RW5wBzt
-j4KdKdYlDtOL62mRPKWd40uGnJcieUjisU7noRn0ErMgbUlhLdbXT9X7aNborZcu
-x6I=
------END CERTIFICATE-----

tests/unit_tests/fixtures/bundle/assets/certs/client_cert.pem

@@ -1,18 +0,0 @@
------BEGIN CERTIFICATE-----
-MIICzjCCAbagAwIBAgIUW3BzjtekVgMj12/oeXawSswGyXMwDQYJKoZIhvcNAQEL
-BQAwITEfMB0GA1UEAwwWRVNQSG9tZSBCdW5kbGUgVGVzdCBDQTAeFw0yNjAyMDYx
-MzMxMTZaFw0yNzAyMDYxMzMxMTZaMCExHzAdBgNVBAMMFkVTUEhvbWUgQnVuZGxl
-IFRlc3QgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDG62vBFkGn
-hEu54gh2A7b1ZwesVadZ6u0iaVO7GSWiI0o4nb6xv7ULZbGrgsKNIO6qCV4VSR3p
-BfMhF5dFy8kkMzA8dKZMk16tygzocdNum2QQ8BHyIsATL7SGZ33si9Alp30gXv6h
-XSlEKYDKHFavkDhWPFNa5+oeHbMS/MxjpOUXIpq32VaFpJr427d9Y9wGjuK8B7Gp
-CI5Ub1g2dpC9xSHqQKD3JZokmtc70+mD74AcNWbyxWp0bkW9wOfNJJnAoiwhJxQ8
-yfE37UsUIVc8014NhdhU1K/S0iQuOKfGX1L/GAshv8syQIcDfzJuJdX+5E/leAYD
-UEKqRkcLT+D5AgMBAAEwDQYJKoZIhvcNAQELBQADggEBAF1HpJ6d+W5WrzOQrGej
-41pxCDeJ9tSiSj/KtvJfjEVIpg0hMRTY7nSL7OAg9KGESfx4u1jMwVnyOv34br5B
-DTlRl+wF2k7Ip8CNnyZfCC+1SVQZpUt1mVNz8BhIZZ9/a830wCILNQQrVKkSeNBk
-SEc1qTt4mIhQZ+M422qAswluv4fz/FW1f4oB9KhCpzUCANjmyERnqTnImjnJu8h0
-jbPNnNsN+G+Roju8UD/7atWYfAUmDjHx72Ci/5G9SzoM5fhgxxu43XYd5RW5wBzt
-j4KdKdYlDtOL62mRPKWd40uGnJcieUjisU7noRn0ErMgbUlhLdbXT9X7aNborZcu
-x6I=
------END CERTIFICATE-----

tests/unit_tests/fixtures/bundle/assets/certs/client_key.pem

@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEowIBAAKCAQEAxutrwRZBp4RLueIIdgO29WcHrFWnWertImlTuxkloiNKOJ2+
-sb+1C2Wxq4LCjSDuqgleFUkd6QXzIReXRcvJJDMwPHSmTJNercoM6HHTbptkEPAR
-8iLAEy+0hmd97IvQJad9IF7+oV0pRCmAyhxWr5A4VjxTWufqHh2zEvzMY6TlFyKa
-t9lWhaSa+Nu3fWPcBo7ivAexqQiOVG9YNnaQvcUh6kCg9yWaJJrXO9Ppg++AHDVm
-8sVqdG5FvcDnzSSZwKIsIScUPMnxN+1LFCFXPNNeDYXYVNSv0tIkLjinxl9S/xgL
-Ib/LMkCHA38ybiXV/uRP5XgGA1BCqkZHC0/g+QIDAQABAoIBAEpsFwcJNCwf95MG
-qcK5lhCPaRQFgdTG68ylmoGUIXvddy3ies+W2X33oLb5958ElLaCRbRyBCJEKxgU
-8vBWk50bF69uty9MLa6YuyaWO5QUyCX8I8KzVKh4/zIP81F2Z7xGwy5CzEKED+Xk
-Hz6+xoHt094TuN34iaOV2gM/GJsok4Wp/lzsuT3X6i3Nad9YGrV2yL/wv5c542bw
-vrFDtYQ/+ADZZPW4+xK0ShiarSqV3iXB2cEjc4JX7yLX1hB4LY8VHRzl+Byjdl0/
-lheiIesl5htl82SFxquZDimDsbilTm7TLW2bbm3b3/oC7DchTx6COBjp90VJqk3R
-QrO5dicCgYEA80pyA7tCB0bGnJ7KWkteKddyOdakeYeM7Bpfv17qbCm9ciMw9nqt
-KJVZPtAuqZGTpfSJseOCIyz9zloB79hVJ3mdWpGJVvmNM5H+BJyCciXpwfqp64QG
-1gMqGlSy/MwsZHqNCsOIvrzH09GFN0LSPNKeXN7GNAtU1vI5s7Xf158CgYEA0U+Y
-Qe1qJY4m597spHNFfkGznoFXAjHOoWYHv95902cH6JD4GnYPfwFXxgFsrJhFaFMC
-jXlT0fRFAIe4NuUJhGD6TYSJqsFkH3xJkAepvKpfjM5qJ7+PQHRnED/E5OS2Nj0R
-+cxBhTEWTw9YiOFBRbj6hlphkj8izVGJZ2pL4GcCgYEApsjiYKx/F33tqnExR7Vj
-WEvagswi9S137mQmP4tSKdRzi0uUxWRUUP4RsH4HfzfNgHej7c+J55Nwa4ZIzaQA
-vI8i0HP1MyrhIflzqrWgt6BGIDU3R7268fw5YNOv4J4X0Moy5q4lkJzaYNvB96BX
-gFrjNceDGSqrfq+P3yNP0QECgYBNQfHTM8ygPA4EO/Zg5ONbrOidsuPovXWlgUGP
-ApKy+y6iGxBYxAcIO/in71KrijDkRu+ERKo5rs3hWjcWnAedQyZggnFGA8fvDzMf
-5JQ0PTazhGUOcthvVAfOqZsFWZ4f+v6tk0UD4pB3chSdwXcUQyjFeorVLlSsMFJl
-R4jmNQKBgG38YFR2bqIc7jJItr+34POXdJ4te8Dm1jJHbo8xXsnjVSaxjc5PGs3p
-OuJpwuMwzEuFEnE7XLkQxTJw54OBLMmDgK0XUOPDq6eLzrKkW5NlpejqaQV9Piyo
-q1kqbJan20jfJQUGTcX7FXHMUThzqJltHILR1GTW6I9z4k8xdsDY
------END RSA PRIVATE KEY-----

tests/unit_tests/fixtures/bundle/assets/web/custom.css

@@ -1,2 +0,0 @@
-/* Dummy CSS for bundle testing */
-body { color: red; }

tests/unit_tests/fixtures/bundle/assets/web/custom.js

@@ -1,2 +0,0 @@
-// Dummy JS for bundle testing
-console.log("test");

tests/unit_tests/fixtures/bundle/bundle_test.yaml

@@ -1,60 +0,0 @@
-esphome:
-  name: bundle-test
-  includes:
-    - includes/custom_sensor.h
-
-esp32:
-  board: esp32dev
-  framework:
-    type: esp-idf
-
-logger:
-  <<: !include common/base.yaml
-
-wifi:
-  ssid: !secret wifi_ssid
-  password: !secret wifi_password
-
-api:
-
-ota:
-  - platform: esphome
-    password: !secret ota_password
-
-web_server:
-  port: 80
-  css_include: assets/web/custom.css
-  js_include: assets/web/custom.js
-
-i2c:
-  sda: GPIO21
-  scl: GPIO22
-
-font:
-  - id: test_font
-    file: assets/fonts/test_font.ttf
-    size: 16
-
-image:
-  - id: test_image
-    file: assets/images/logo.png
-    type: BINARY
-    resize: 16x16
-
-animation:
-  - id: test_animation
-    file: assets/images/animation.gif
-    type: BINARY
-    resize: 16x16
-
-display:
-  - platform: ssd1306_i2c
-    model: SSD1306_128X64
-    address: 0x3C
-    lambda: |-
-      it.image(0, 0, id(test_image));
-
-external_components:
-  - source:
-      type: local
-      path: local_components

tests/unit_tests/fixtures/bundle/common/base.yaml

@@ -1 +0,0 @@
-level: DEBUG

tests/unit_tests/fixtures/bundle/includes/custom_sensor.h

@@ -1,3 +0,0 @@
-// Dummy custom sensor header for bundle testing
-#pragma once
-#include "esphome/core/component.h"

tests/unit_tests/fixtures/bundle/local_components/my_component/__init__.py

@@ -1 +0,0 @@
-# Dummy local external component for bundle testing

tests/unit_tests/fixtures/bundle/local_components/my_component/my_component.h

@@ -1,2 +0,0 @@
-// Dummy component header for bundle testing
-#pragma once

tests/unit_tests/fixtures/bundle/secrets.yaml

@@ -1,4 +0,0 @@
-wifi_ssid: "TestNetwork"
-wifi_password: "TestPassword123"
-api_key: "unused_secret_should_not_appear"
-ota_password: "ota_test_password"

tests/unit_tests/test_main.py

@@ -20,7 +20,6 @@ from esphome.__main__ import (
     Purpose,
     choose_upload_log_host,
     command_analyze_memory,
-    command_bundle,
     command_clean_all,
     command_rename,
     command_update_all,
@@ -42,7 +41,6 @@ from esphome.__main__ import (
     upload_program,
     upload_using_esptool,
 )
-from esphome.bundle import BUNDLE_EXTENSION, BundleFile, BundleResult
 from esphome.components.esp32 import KEY_ESP32, KEY_VARIANT, VARIANT_ESP32
 from esphome.const import (
     CONF_API,
@@ -867,8 +865,6 @@ class MockArgs:
     name: str | None = None
     dashboard: bool = False
     reset: bool = False
-    list_only: bool = False
-    output: str | None = None
 
 
 def test_upload_program_serial_esp32(
@@ -3295,195 +3291,3 @@ esp32:
         clean_output.split("SUMMARY")[1] if "SUMMARY" in clean_output else ""
     )
     assert "secrets.yaml" not in summary_section
-
-
-# --- command_bundle tests ---
-
-
-def test_command_bundle_list_only(
-    tmp_path: Path,
-    capsys: CaptureFixture[str],
-) -> None:
-    """Test command_bundle with --list-only prints files and returns 0."""
-    mock_files = [
-        BundleFile(path="device.yaml", source=tmp_path / "device.yaml"),
-        BundleFile(path="secrets.yaml", source=tmp_path / "secrets.yaml"),
-        BundleFile(path="common/base.yaml", source=tmp_path / "common" / "base.yaml"),
-    ]
-
-    args = MockArgs(list_only=True)
-    config: dict[str, Any] = {}
-
-    mock_creator = MagicMock()
-    mock_creator.discover_files.return_value = mock_files
-
-    with patch("esphome.bundle.ConfigBundleCreator", return_value=mock_creator):
-        result = command_bundle(args, config)
-
-    assert result == 0
-    captured = capsys.readouterr()
-    # Files should be printed in sorted order
-    assert "common/base.yaml" in captured.out
-    assert "device.yaml" in captured.out
-    assert "secrets.yaml" in captured.out
-
-
-def test_command_bundle_list_only_empty(
-    tmp_path: Path,
-    capsys: CaptureFixture[str],
-) -> None:
-    """Test command_bundle --list-only with no files discovered."""
-    args = MockArgs(list_only=True)
-    config: dict[str, Any] = {}
-
-    mock_creator = MagicMock()
-    mock_creator.discover_files.return_value = []
-
-    with patch("esphome.bundle.ConfigBundleCreator", return_value=mock_creator):
-        result = command_bundle(args, config)
-
-    assert result == 0
-
-
-def test_command_bundle_creates_archive(tmp_path: Path) -> None:
-    """Test command_bundle creates archive at default output path."""
-    CORE.config_path = tmp_path / "mydevice.yaml"
-
-    mock_result = BundleResult(
-        data=b"fake-tar-gz-data",
-        manifest={"manifest_version": 1},
-        files=[BundleFile(path="mydevice.yaml", source=tmp_path / "mydevice.yaml")],
-    )
-
-    args = MockArgs()
-    config: dict[str, Any] = {}
-
-    mock_creator = MagicMock()
-    mock_creator.create_bundle.return_value = mock_result
-
-    with patch("esphome.bundle.ConfigBundleCreator", return_value=mock_creator):
-        result = command_bundle(args, config)
-
-    assert result == 0
-    output_path = tmp_path / f"mydevice{BUNDLE_EXTENSION}"
-    assert output_path.exists()
-    assert output_path.read_bytes() == b"fake-tar-gz-data"
-
-
-def test_command_bundle_custom_output(tmp_path: Path) -> None:
-    """Test command_bundle with -o custom output path."""
-    custom_output = tmp_path / "output" / "custom.esphomebundle.tar.gz"
-    mock_result = BundleResult(
-        data=b"custom-output-data",
-        manifest={"manifest_version": 1},
-        files=[BundleFile(path="mydevice.yaml", source=tmp_path / "mydevice.yaml")],
-    )
-
-    args = MockArgs(output=str(custom_output))
-    config: dict[str, Any] = {}
-
-    mock_creator = MagicMock()
-    mock_creator.create_bundle.return_value = mock_result
-
-    with patch("esphome.bundle.ConfigBundleCreator", return_value=mock_creator):
-        result = command_bundle(args, config)
-
-    assert result == 0
-    assert custom_output.exists()
-    assert custom_output.read_bytes() == b"custom-output-data"
-
-
-def test_command_bundle_creates_parent_dirs(tmp_path: Path) -> None:
-    """Test command_bundle creates parent directories for output path."""
-    nested_output = tmp_path / "deep" / "nested" / "dir" / "out.tar.gz"
-    mock_result = BundleResult(
-        data=b"data",
-        manifest={"manifest_version": 1},
-        files=[BundleFile(path="mydevice.yaml", source=tmp_path / "mydevice.yaml")],
-    )
-
-    args = MockArgs(output=str(nested_output))
-    config: dict[str, Any] = {}
-
-    mock_creator = MagicMock()
-    mock_creator.create_bundle.return_value = mock_result
-
-    with patch("esphome.bundle.ConfigBundleCreator", return_value=mock_creator):
-        result = command_bundle(args, config)
-
-    assert result == 0
-    assert nested_output.exists()
-
-
-def test_command_bundle_logs_info(
-    tmp_path: Path,
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """Test command_bundle logs bundle creation info."""
-    CORE.config_path = tmp_path / "mydevice.yaml"
-
-    mock_result = BundleResult(
-        data=b"x" * 2048,
-        manifest={"manifest_version": 1},
-        files=[
-            BundleFile(path="mydevice.yaml", source=tmp_path / "mydevice.yaml"),
-            BundleFile(path="secrets.yaml", source=tmp_path / "secrets.yaml"),
-        ],
-    )
-
-    args = MockArgs()
-    config: dict[str, Any] = {}
-
-    mock_creator = MagicMock()
-    mock_creator.create_bundle.return_value = mock_result
-
-    with (
-        patch("esphome.bundle.ConfigBundleCreator", return_value=mock_creator),
-        caplog.at_level(logging.INFO),
-    ):
-        result = command_bundle(args, config)
-
-    assert result == 0
-    assert "Bundle created" in caplog.text
-    assert "2 files" in caplog.text
-    assert "2.0 KB" in caplog.text
-
-
-def test_run_esphome_bundle_detection(tmp_path: Path) -> None:
-    """Test run_esphome detects .esphomebundle.tar.gz and extracts it."""
-    bundle_path = tmp_path / f"device{BUNDLE_EXTENSION}"
-    bundle_path.write_bytes(b"fake-bundle")
-
-    extracted_yaml = tmp_path / "extracted" / "device.yaml"
-
-    with (
-        patch("esphome.bundle.is_bundle_path", return_value=True) as mock_is_bundle,
-        patch(
-            "esphome.bundle.prepare_bundle_for_compile",
-            return_value=extracted_yaml,
-        ) as mock_prepare,
-        patch("esphome.__main__.read_config", return_value=None),
-    ):
-        result = run_esphome(["esphome", "compile", str(bundle_path)])
-
-    mock_is_bundle.assert_called_once()
-    mock_prepare.assert_called_once_with(bundle_path)
-    # read_config returns None → exit code 2
-    assert result == 2
-
-
-def test_run_esphome_non_bundle_skips_extraction(tmp_path: Path) -> None:
-    """Test run_esphome does not extract for regular .yaml files."""
-    yaml_file = tmp_path / "device.yaml"
-    yaml_file.write_text("esphome:\n  name: test\n")
-
-    with (
-        patch("esphome.bundle.is_bundle_path", return_value=False) as mock_is_bundle,
-        patch("esphome.bundle.prepare_bundle_for_compile") as mock_prepare,
-        patch("esphome.__main__.read_config", return_value=None),
-    ):
-        result = run_esphome(["esphome", "compile", str(yaml_file)])
-
-    mock_is_bundle.assert_called_once()
-    mock_prepare.assert_not_called()
-    assert result == 2

tests/unit_tests/test_yaml_util.py

@@ -306,57 +306,3 @@ def test_dump_sort_keys() -> None:
     # nested keys should also be sorted
     assert "a_key:" in sorted_dump
     assert sorted_dump.index("a_key:") < sorted_dump.index("z_key:")
-
-
-# ---------------------------------------------------------------------------
-# track_yaml_loads
-# ---------------------------------------------------------------------------
-
-
-def test_track_yaml_loads_records_files(tmp_path: Path) -> None:
-    """track_yaml_loads records every file loaded inside the context."""
-    yaml_file = tmp_path / "test.yaml"
-    yaml_file.write_text("key: value\n")
-
-    with yaml_util.track_yaml_loads() as loaded:
-        yaml_util.load_yaml(yaml_file)
-
-    assert len(loaded) == 1
-    assert loaded[0] == yaml_file.resolve()
-
-
-def test_track_yaml_loads_records_includes(tmp_path: Path) -> None:
-    """track_yaml_loads records nested !include files."""
-    inc = tmp_path / "included.yaml"
-    inc.write_text("included_key: 42\n")
-    main = tmp_path / "main.yaml"
-    main.write_text("child: !include included.yaml\n")
-
-    with yaml_util.track_yaml_loads() as loaded:
-        yaml_util.load_yaml(main)
-
-    resolved = [p.name for p in loaded]
-    assert "main.yaml" in resolved
-    assert "included.yaml" in resolved
-
-
-def test_track_yaml_loads_empty_outside_context(tmp_path: Path) -> None:
-    """Files loaded outside the context are not recorded."""
-    yaml_file = tmp_path / "test.yaml"
-    yaml_file.write_text("key: value\n")
-
-    with yaml_util.track_yaml_loads() as loaded:
-        pass  # load nothing inside
-
-    yaml_util.load_yaml(yaml_file)
-    assert loaded == []
-
-
-def test_track_yaml_loads_cleanup_on_exception(tmp_path: Path) -> None:
-    """Listener is removed even if the body raises."""
-    before = len(yaml_util._load_listeners)
-
-    with pytest.raises(RuntimeError), yaml_util.track_yaml_loads():
-        raise RuntimeError("boom")
-
-    assert len(yaml_util._load_listeners) == before