fix: rename root package to beanflows-pipeline to avoid workspace conflict

The web package is already named 'beanflows'. Renaming the root CLI/infra
package to 'beanflows-pipeline' (src/beanflows_pipeline/) resolves the
uv workspace name conflict and Python namespace collision.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

infra/bootstrap_supervisor.sh

@@ -115,6 +115,6 @@ echo "=== Bootstrap complete! ==="
 echo ""
 echo "Check status:    systemctl status beanflows-supervisor"
 echo "View logs:       journalctl -u beanflows-supervisor -f"
-echo "Workflow status: sudo -u ${SERVICE_USER} ${UV} run -p ${REPO_DIR} python src/beanflows/supervisor.py status"
+echo "Workflow status: sudo -u ${SERVICE_USER} ${UV} run -p ${REPO_DIR} python src/beanflows_pipeline/supervisor.py status"
 echo "Backup timer:    systemctl list-timers beanflows-backup.timer"
 echo "Tag:             $(sudo -u "${SERVICE_USER}" git -C "${REPO_DIR}" describe --tags --always)"

infra/supervisor/beanflows-supervisor.service

@@ -7,7 +7,7 @@ Wants=network-online.target
 Type=simple
 User=beanflows_service
 WorkingDirectory=/opt/beanflows
-ExecStart=/bin/sh -c 'exec uv run python src/beanflows/supervisor.py'
+ExecStart=/bin/sh -c 'exec uv run python src/beanflows_pipeline/supervisor.py'
 Restart=always
 RestartSec=10
 EnvironmentFile=/opt/beanflows/.env