diff --git a/scripts/harb-evaluator/red-team-sweep.sh b/scripts/harb-evaluator/red-team-sweep.sh
index f59023b..1febe3a 100755
--- a/scripts/harb-evaluator/red-team-sweep.sh
+++ b/scripts/harb-evaluator/red-team-sweep.sh
@@ -12,6 +12,7 @@ ATTACKS_OUT="$REPO_ROOT/onchain/script/backtesting/attacks"
 PROGRESS_FILE="/tmp/red-team-sweep-progress.json"
 MEMORY_FILE="$REPO_ROOT/tmp/red-team-memory.jsonl"
 CROSS_PATTERNS_FILE="/tmp/red-team-cross-patterns.jsonl"
+SWEEP_TSV="/tmp/sweep-results.tsv"
 OPT_SOL="$REPO_ROOT/onchain/src/OptimizerV3.sol"
 TIMEOUT_PER="${1:-3600}"
 
@@ -53,6 +54,10 @@ cd "$REPO_ROOT/onchain" && forge build --silent 2>&1 || die "Smoke test compile
 cp "${OPT_SOL}.sweep-backup" "$OPT_SOL"
 log "Smoke test passed ✓"
 
+# Write TSV header once (file persists across restarts; header only if new)
+[[ ! -f "$SWEEP_TSV" ]] && \
+  printf 'candidate\teth_before\teth_after\tpct_extracted\tstrategies_tried\tbest_attack\tstatus\n' > "$SWEEP_TSV"
+
 # ── Main loop ──
 for seed_file in "${seeds[@]}"; do
   seed_name=$(basename "$seed_file" .push3)
@@ -106,9 +111,12 @@ PYEOF
 
   # 3. Run red-team.sh (handles bootstrap + compile + deploy + attack)
   log "Running red-team.sh (timeout: ${TIMEOUT_PER}s)..."
+  set +e
   CLAUDE_TIMEOUT="$TIMEOUT_PER" CANDIDATE_NAME="$seed_name" OPTIMIZER_PROFILE="$OPTIMIZER_PROFILE" \
     timeout "$((TIMEOUT_PER + 120))" \
-    bash "$SCRIPT_DIR/red-team.sh" 2>&1 | tee "/tmp/red-team-${seed_name}.log" || true
+    bash "$SCRIPT_DIR/red-team.sh" 2>&1 | tee "/tmp/red-team-${seed_name}.log"
+  RED_TEAM_EXIT="${PIPESTATUS[0]}"
+  set -e
 
   # 4. Collect attacks
   if [[ -f "$REPO_ROOT/tmp/red-team-attacks.jsonl" ]]; then
@@ -119,6 +127,88 @@ PYEOF
     fi
   fi
 
+  # 4c. Write one TSV row to sweep-results.tsv
+  if [[ "$RED_TEAM_EXIT" -eq 0 ]]; then
+    _sweep_status="safe"
+  elif [[ "$RED_TEAM_EXIT" -eq 1 ]]; then
+    _sweep_status="broken"
+  elif [[ "$RED_TEAM_EXIT" -eq 124 ]]; then
+    _sweep_status="timeout"
+  else
+    _sweep_status="crashed"
+  fi
+  set +e
+  python3 - "/tmp/red-team-${seed_name}.log" "$MEMORY_FILE" "$seed_name" "$_sweep_status" "$SWEEP_TSV" <<'PYEOF'
+import re, sys, json, os
+
+log_file  = sys.argv[1]
+mem_file  = sys.argv[2]
+candidate = sys.argv[3]
+status    = sys.argv[4]
+tsv_file  = sys.argv[5]
+
+# Parse eth_before and eth_after from the candidate log
+eth_before = ""
+eth_after  = ""
+try:
+    with open(log_file) as f:
+        for line in f:
+            m = re.search(r'lm_eth_before\s*[=:]\s*(\d+)', line)
+            if m:
+                eth_before = m.group(1)
+            m = re.search(r'lm_eth_after\s*[=:]\s*(\d+)', line)
+            if m:
+                eth_after = m.group(1)
+except Exception as e:
+    print(f"  tsv: could not read log: {e}", file=sys.stderr)
+
+# Parse strategies from the memory file (populated by extract_memory inside red-team.sh)
+strategies_tried = 0
+best_attack = "none"
+try:
+    if os.path.isfile(mem_file) and os.path.getsize(mem_file) > 0:
+        with open(mem_file) as f:
+            entries = [json.loads(l) for l in f if l.strip()]
+        cand_entries = [e for e in entries if e.get("candidate") == candidate]
+        strategies_tried = len(set(e.get("strategy", "") for e in cand_entries))
+        best_delta = 0
+        for e in cand_entries:
+            if e.get("result") == "DECREASED" and e.get("delta_bps", 0) < best_delta:
+                best_delta = e["delta_bps"]
+                raw = e.get("strategy", "unknown")
+                best_attack = re.sub(r"\s+", "_", raw.strip()).lower()[:50]
+except Exception as e:
+    print(f"  tsv: could not read memory: {e}", file=sys.stderr)
+
+# Compute pct_extracted
+pct_extracted = "0.00"
+try:
+    if eth_before and eth_after:
+        before = int(eth_before)
+        after  = int(eth_after)
+        if before > 0:
+            extracted = max(0, before - after)
+            pct_extracted = f"{extracted * 100 / before:.2f}"
+except Exception:
+    pass
+
+# Sanitise fields: strip tabs so the row is always valid TSV
+def clean(s):
+    return str(s).replace("\t", " ")
+
+row = "\t".join([
+    clean(candidate), clean(eth_before), clean(eth_after),
+    clean(pct_extracted), clean(strategies_tried),
+    clean(best_attack), clean(status),
+])
+with open(tsv_file, "a") as f:
+    f.write(row + "\n")
+print(f"  tsv: {status} | {pct_extracted}% extracted | {strategies_tried} strategies | best={best_attack}")
+PYEOF
+  _py_exit=$?
+  set -e
+  [[ $_py_exit -ne 0 ]] && log "WARNING: TSV row write failed (exit $_py_exit) — continuing"
+
   # 4b. Extract abstract patterns into cross-candidate file, then clear raw memory
   if [[ -f "$MEMORY_FILE" && -s "$MEMORY_FILE" ]]; then
     set +e