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/diag-408-after-index.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -euo pipefail
+ssh -o BatchMode=yes eventhub-ift bash -s <<'REMOTE'
+set -euo pipefail
+cd /opt/ai-router-stack
+set -a; source .env; set +a
+echo "== Spend 15m =="
+PG=$(docker ps -q -f name=ai-router_postgres | head -1)
+docker exec -e PGPASSWORD="$POSTGRES_PASSWORD" "$PG" \
+  psql -U "${POSTGRES_USER:-litellm}" -d "${POSTGRES_DB:-litellm}" -c "
+SELECT \"startTime\", status, model, total_tokens, completion_tokens,
+       coalesce(\"request_duration_ms\",0) AS ms,
+       left(coalesce(metadata->'error_information'->>'error_message',''), 100) AS er
+FROM \"LiteLLM_SpendLogs\"
+WHERE \"startTime\" >= now() - interval '20 minutes'
+ORDER BY \"startTime\" DESC LIMIT 25;
+"
+echo "== Router =="
+docker service logs --since 20m --raw ai-router_router 2>&1 \
+  | grep -iE 'path_index|path_resolve|hierarchical_agent phase|executor result|408|escalate|mid-loop|rewrite|kickstart|loadtest|dynamic_conf' \
+  | tail -60
+REMOTE