[codex] Add remote WordPress COW mount experiment

experiments/remote-wp-cow/.dockerignore

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+/target/
+/.adversarial-loop/
+/.git/
+/.env
+/.env.*
+!/.env.example
+/*.log
+/.wp-cow/

experiments/remote-wp-cow/.env.example

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+# Docker lab defaults for wp-cow.
+#
+# Copy this file to .env, fill in the remote site values, then run:
+#   docker compose build
+#   docker compose up -d
+#   docker compose exec wp-cow-lab bash
+
+# Host port exposed by Docker Desktop. The container always listens on 8080.
+WPCOW_HTTP_PORT=9481
+
+# Clone identity and remote WordPress site.
+WPCOW_NAME=example
+WPCOW_SSH=
+WPCOW_PATH=
+WPCOW_REMOTE_URL=
+
+# Leave blank to derive http://localhost:${WPCOW_HTTP_PORT}.
+WPCOW_LOCAL_URL=
+
+# Docker Desktop resolver fallback.
+WPCOW_DNS1=1.1.1.1
+WPCOW_DNS2=8.8.8.8
+
+# Runtime defaults.
+WPCOW_WEB_SERVER=frankenphp
+WPCOW_SPLASH=1
+WPCOW_REMOTE_DB_TUNNEL=0
+WPCOW_REMOTE_DB_HELPER=1
+WPCOW_RUNTIME_CODE_PACK=1
+WPCOW_RUNTIME_CODE_PACK_MAX_MB=256
+WPCOW_RUNTIME_CODE_PACK_MAX_FILE_MB=8
+WPCOW_RUNTIME_CODE_PACK_MAX_FILES=20000
+WPCOW_RUNTIME_CODE_PACK_TIMEOUT_SECS=180
+WPCOW_RUNTIME_CODE_PACK_INCLUDE_ADMIN=0
+WPCOW_MATERIALIZE_OPTIONS_TABLE=1
+WPCOW_REMOTE_QUERY_CACHE=1
+WPCOW_REMOTE_QUERY_CACHE_MAX_ROWS=5000
+# Keep arbitrary production plugins disabled unless explicitly debugging them.
+WPCOW_ENABLE_PLUGINS=0
+WPCOW_PLUGIN_MODE=auto
+WPCOW_PLUGIN_ADMISSION=1
+WPCOW_PLUGIN_ADMISSION_DELAY_SECS=20
+WPCOW_PLUGIN_ADMISSION_TIMEOUT_SECS=15
+WPCOW_ALLOW_UNSAFE_PLUGIN_SIDE_EFFECTS=0
+WPCOW_PHP_DISABLE_FUNCTIONS=exec,passthru,shell_exec,system,proc_open,popen,pcntl_exec,mail,fsockopen,pfsockopen,stream_socket_client,curl_exec,curl_multi_exec
+WPCOW_CACHE_MAX_FILE_MB=64
+WPCOW_REMOTE_STAT_PREFETCH_MAX_KB=0
+WPCOW_RUNTIME_SIBLING_PREFETCH_MAX_MB=0
+WPCOW_FUSE_TTL_SECS=60
+WPCOW_REMOTE_METADATA_CACHE_TTL_SECS=3600
+WPCOW_CONTROL_REQUEST_TIMEOUT_SECS=60
+WPCOW_REMOTE_COMMAND_TIMEOUT_SECS=20
+WPCOW_REMOTE_DB_QUERY_TIMEOUT_SECS=10
+WPCOW_SSH_CONNECT_TIMEOUT_SECS=8
+WPCOW_PHP_MAX_EXECUTION_SECS=90
+WPCOW_PHP_SOCKET_TIMEOUT_SECS=15
+WPCOW_PHP_WORKERS=4
+WPCOW_OPCACHE_VALIDATE_TIMESTAMPS=0
+
+# Optional local-only admin override used with wp-cow-lab-sever.
+# This updates only the local clone DB after the relevant user rows are copied.
+WPCOW_LOCAL_ADMIN_LOGIN=
+WPCOW_LOCAL_ADMIN_PASSWORD=
+
+# Testing/debug switches.
+WPCOW_SKIP_SCHEMA=0
+WPCOW_NO_PROBE=0

experiments/remote-wp-cow/.gitignore

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+/target/
+/.env