refactor(ansible): mark legacy entrypoints for removal

ansible/playbooks/download_artifacts.yaml

@@ -1,3 +1,6 @@
+# DEPRECATED: replace with `ansible-playbook autoware.dev_env.install_dev_env --tags artifacts`.
+# Scheduled for removal on 2026-05-24. See https://github.com/autowarefoundation/autoware/issues/7052.
+
 - name: Download Autoware artifacts
   hosts: localhost
   module_defaults:

ansible/playbooks/install_rviz_theme.yaml

@@ -1,3 +1,6 @@
+# DEPRECATED: replace with `ansible-playbook autoware.dev_env.install_dev_env --tags qt5ct_setup`.
+# Scheduled for removal on 2026-05-24. See https://github.com/autowarefoundation/autoware/issues/7052.
+
 - name: Install RViz theme
   hosts: localhost
   roles:

ansible/playbooks/install_spconv.yaml

@@ -1,3 +1,6 @@
+# DEPRECATED: replace with `ansible-playbook autoware.dev_env.install_dev_env --tags spconv`.
+# Scheduled for removal on 2026-05-24. See https://github.com/autowarefoundation/autoware/issues/7052.
+
 - name: Download and install the cumm and spconv packages
   hosts: localhost
   roles:

ansible/playbooks/openadkit.yaml

@@ -1,3 +1,6 @@
+# DEPRECATED: superseded by install_dev_env.yaml.
+# Scheduled for removal on 2026-05-24. See https://github.com/autowarefoundation/autoware/issues/7052.
+
 - name: Set up source development environments for Autoware Universe
   hosts: localhost
   connection: local

ansible/playbooks/role_rmw_implementation.yaml

@@ -1,3 +1,6 @@
+# DEPRECATED: duplicate of install_rmw.yaml (was rmw.yaml).
+# Scheduled for removal on 2026-05-24. See https://github.com/autowarefoundation/autoware/issues/7052.
+
 - name: Install RMW implementation
   hosts: localhost
   roles:

ansible/playbooks/setup_acados.yaml

@@ -1,3 +1,6 @@
+# DEPRECATED: replace with `ansible-playbook autoware.dev_env.install_dev_env --tags acados`.
+# Scheduled for removal on 2026-05-24. See https://github.com/autowarefoundation/autoware/issues/7052.
+
 - name: Setup acados
   hosts: localhost
   connection: local

ansible/playbooks/telegraf.yaml

@@ -1,3 +1,6 @@
+# DEPRECATED: no known callers; scheduled for removal.
+# Scheduled for removal on 2026-05-24. See https://github.com/autowarefoundation/autoware/issues/7052.
+
 - name: Set up Telegraf and InfluxDB v2
   hosts: localhost
   roles:

ansible/playbooks/universe.yaml

@@ -1,3 +1,6 @@
+# DEPRECATED: superseded by install_dev_env.yaml.
+# Scheduled for removal on 2026-05-24. See https://github.com/autowarefoundation/autoware/issues/7052.
+
 - name: Set up source development environments for Autoware Universe
   hosts: localhost
   connection: local

setup-dev-env.sh

@@ -1,10 +1,18 @@
 #!/usr/bin/env bash
+# DEPRECATED: superseded by ansible/scripts/install-ansible.sh +
+# `ansible-playbook autoware.dev_env.install_dev_env`. Scheduled for removal
+# on 2026-05-24. See https://github.com/autowarefoundation/autoware/issues/7052.
+#
 # Set up development environment for Autoware Core/Universe.
 # Usage: setup-dev-env.sh <ros2_installation_type('core' or 'universe')> [-y] [-v] [--no-nvidia]
 # Note: -y option is only for CI.
 
 set -e
 
+echo -e "\e[33m[DEPRECATED] setup-dev-env.sh will be removed on 2026-05-24.\e[m" >&2
+echo -e "\e[33mMigrate to: bash ansible/scripts/install-ansible.sh && ansible-playbook autoware.dev_env.install_dev_env [--tags ...]\e[m" >&2
+echo -e "\e[33mSee https://github.com/autowarefoundation/autoware/issues/7052\e[m" >&2
+
 # Function to print help message
 print_help() {
     echo "Usage: setup-dev-env.sh [OPTIONS]"