feat(agent): hierarchical executor with path resolve, runtime probe, quiet UI

Make Zed Agent closer to Cursor: deterministic DevOps path index, live Traefik
port probe before blind edits, stop-after-edit, and quieter Russian progress.

scripts/deploy-fast-after-read.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+set -euo pipefail
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+cd "$ROOT"
+PYTHONPATH=router python3 -m py_compile router/agent_hier.py router/router.py
+PYTHONPATH=router python3 -m unittest discover -s test/unit -q
+scp router/agent_hier.py router/router.py \
+  eventhub-ift:/opt/ai-router-stack/router/
+scp config/orchestration.yaml eventhub-ift:/opt/ai-router-stack/config/
+ssh -o BatchMode=yes eventhub-ift bash -s <<'REMOTE'
+set -euo pipefail
+cd /opt/ai-router-stack
+set -a; source .env; set +a
+sed -i 's/\r$//' router/agent_hier.py router/router.py config/orchestration.yaml || true
+docker build -f router/Dockerfile -t "${ROUTER_IMAGE:-git.sabilin.com/eventhub/ai-router-gateway:ift}" .
+TS=$(date +%Y%m%d%H%M%S)
+ORCH="orchestration_config_${TS}"
+docker config create "$ORCH" ./config/orchestration.yaml
+OLD_ORCH=$(docker service inspect ai-router_router --format '{{range .Spec.TaskTemplate.ContainerSpec.Configs}}{{println .ConfigName}}{{end}}' | grep orchestration | tail -1 || true)
+RARGS=(--image "${ROUTER_IMAGE:-git.sabilin.com/eventhub/ai-router-gateway:ift}" --force)
+RARGS+=(--config-add "source=${ORCH},target=/app/config/orchestration.yaml")
+[[ -n "${OLD_ORCH:-}" ]] && RARGS+=(--config-rm "$OLD_ORCH")
+docker service update "${RARGS[@]}" ai-router_router >/dev/null
+for i in $(seq 1 40); do
+  curl -sf --max-time 5 https://ai-router.ift.calentiq.com/health >/dev/null && break
+  sleep 2
+done
+docker exec "$(docker ps -q -f name=ai-router_router | head -1)" \
+  grep -E 'executor_tool_loop_timeout_sec|executor_escalate_after_read|executor_rewrite_reread|executor_newest_tool' \
+  /app/config/orchestration.yaml
+echo FAST_AFTER_READ_OK
+REMOTE