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/clean-spurious-litellm-fails.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# Explain + delete spurious LiteLLM failure logs from restart disconnects
+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
+PG=$(docker ps -q -f name=ai-router_postgres | head -1)
+USER="${POSTGRES_USER:-litellm}"
+DB="${POSTGRES_DB:-litellm}"
+
+echo "== Error message sample =="
+docker exec -e PGPASSWORD="$POSTGRES_PASSWORD" "$PG" \
+  psql -U "$USER" -d "$DB" -t -A -c "
+SELECT left(metadata->'error_information'->>'error_message', 200)
+FROM \"LiteLLM_SpendLogs\"
+WHERE status='failure'
+LIMIT 3;
+"
+
+echo "== Delete empty-model restart failures =="
+docker exec -e PGPASSWORD="$POSTGRES_PASSWORD" "$PG" \
+  psql -U "$USER" -d "$DB" -c "
+DELETE FROM \"LiteLLM_SpendLogs\"
+WHERE status = 'failure'
+  AND (model IS NULL OR model = '')
+  AND (call_type IS NULL OR call_type = '');
+"
+
+echo "== Remaining =="
+docker exec -e PGPASSWORD="$POSTGRES_PASSWORD" "$PG" \
+  psql -U "$USER" -d "$DB" -c "
+SELECT status, count(*) FROM \"LiteLLM_SpendLogs\" GROUP BY 1;
+"
+echo CLEANED_SPURIOUS_FAILS_OK
+REMOTE