diff --git a/run_workflows_locally.sh b/run_workflows_locally.sh
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+#!/usr/bin/env bash
+# run_workflows_locally.sh
+#
+# Runs the CI workflows (tests and linting) in this repository locally using
+# Docker and act (https://github.com/nektos/act).
+#
+# Both tools are installed automatically if they are not already present.
+#
+# Workflows that depend on GitHub infrastructure (hassfest, HACS validation,
+# release) are silently skipped as they cannot run meaningfully offline.
+#
+# Usage:
+#   ./run_workflows_locally.sh
+
+set -euo pipefail
+
+# ── Colour helpers ────────────────────────────────────────────────────────────
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+BOLD='\033[1m'
+NC='\033[0m'
+
+info()    { echo -e "${BLUE}[INFO]${NC}  $*"; }
+success() { echo -e "${GREEN}[PASS]${NC}  $*"; }
+warn()    { echo -e "${YELLOW}[WARN]${NC}  $*"; }
+error()   { echo -e "${RED}[FAIL]${NC}  $*"; }
+header()  { echo -e "\n${BOLD}$*${NC}"; }
+
+command_exists() { command -v "$1" &>/dev/null; }
+
+# ── Docker installation ───────────────────────────────────────────────────────
+install_docker() {
+    if command_exists docker; then
+        info "Docker is already installed: $(sudo docker --version)"
+        return 0
+    fi
+
+    header "Installing Docker…"
+    curl -fsSL https://get.docker.com | sudo sh
+    sudo usermod -aG docker "$USER" || true
+    warn "Docker installed. You may need to run 'newgrp docker' or re-login for group membership to take effect."
+}
+
+# ── act installation ──────────────────────────────────────────────────────────
+install_act() {
+    if command_exists act; then
+        info "act is already installed: $(act --version)"
+        return 0
+    fi
+
+    header "Installing act…"
+    curl -fsSL https://raw.githubusercontent.com/nektos/act/master/install.sh \
+        | sudo bash -s -- -b /usr/local/bin
+}
+
+# ── Docker daemon check ───────────────────────────────────────────────────────
+ensure_docker_running() {
+    if sudo docker info &>/dev/null; then
+        return 0
+    fi
+
+    warn "Docker daemon is not running – attempting to start it…"
+    if command_exists systemctl; then
+        sudo systemctl start docker
+    else
+        sudo service docker start
+    fi
+    sleep 3
+
+    if ! sudo docker info &>/dev/null; then
+        error "Docker daemon is still not running. Please start Docker manually and re-run this script."
+        exit 1
+    fi
+}
+
+# ── Workflow runner ───────────────────────────────────────────────────────────
+
+# Ubuntu runner image used by act.  The "act-latest" tag is a medium-sized
+# image that supports most common Actions without requiring the 20 GB+ full
+# image.
+ACT_IMAGE="catthehacker/ubuntu:act-latest"
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+WORKFLOWS_DIR="$SCRIPT_DIR/.github/workflows"
+
+# run_workflow <workflow-file> <event>
+# Returns 0 on success, 1 on failure.
+run_workflow() {
+    local workflow_file="$1"
+    local event="$2"
+    local name
+    name="$(basename "$workflow_file")"
+
+    info "Running [$name] with event '$event'…"
+
+    if sudo act "$event" \
+        -W "$workflow_file" \
+        -P "ubuntu-latest=$ACT_IMAGE" \
+        --rm \
+        2>&1; then
+        success "$name passed"
+        return 0
+    else
+        error "$name failed"
+        return 1
+    fi
+}
+
+run_all_workflows() {
+    # Only workflows that run entirely locally (tests and linting).
+    # Workflows that depend on GitHub infrastructure (hassfest, HACS validation,
+    # release) are silently omitted.
+    local workflow_files=(
+        "test.yml"
+        "pylint.yml"
+        "integration-tests.yml"
+    )
+    local workflow_events=(
+        "push"
+        "push"
+        "push"
+    )
+
+    local passed=()
+    local failed=()
+
+    local i
+    for i in "${!workflow_files[@]}"; do
+        local workflow="${workflow_files[$i]}"
+        local event="${workflow_events[$i]}"
+        local workflow_path="$WORKFLOWS_DIR/$workflow"
+
+        if [[ ! -f "$workflow_path" ]]; then
+            warn "Workflow file not found, skipping: $workflow"
+            continue
+        fi
+
+        if run_workflow "$workflow_path" "$event"; then
+            passed+=("$workflow")
+        else
+            failed+=("$workflow")
+        fi
+    done
+
+    # ── Summary ───────────────────────────────────────────────────────────────
+    header "══════════════════════════════════════════════"
+    header " Results"
+    header "══════════════════════════════════════════════"
+
+    if [[ ${#passed[@]} -gt 0 ]]; then
+        success "Passed  (${#passed[@]}): ${passed[*]}"
+    fi
+    if [[ ${#failed[@]} -gt 0 ]]; then
+        error   "Failed  (${#failed[@]}): ${failed[*]}"
+        return 1
+    fi
+
+    echo ""
+    success "All workflows completed successfully."
+}
+
+# ── Main ──────────────────────────────────────────────────────────────────────
+main() {
+    if [[ $# -gt 0 ]]; then
+        error "This script takes no arguments."
+        echo "Usage: $0"
+        exit 1
+    fi
+
+    header "════════════════════════════════════════════════════"
+    header " Running GitHub Actions workflows locally with act"
+    header "════════════════════════════════════════════════════"
+
+    install_docker
+    install_act
+    ensure_docker_running
+    run_all_workflows
+}
+
+main "$@"