diff --git a/scripts/verify-no-legacy-data-source.sh b/scripts/verify-no-legacy-data-source.sh
index 23c812e..097bf7d 100755
--- a/scripts/verify-no-legacy-data-source.sh
+++ b/scripts/verify-no-legacy-data-source.sh
@@ -41,4 +41,42 @@ if [[ -n "$manifest_hits" ]]; then
   fail "legacy database dependencies are not allowed in fidc-backtest-engine manifests" "$manifest_hits"
 fi
 
+local_only_hits="$(
+  rg -n \
+    --glob '!**/.git/**' \
+    --glob '!**/target/**' \
+    --glob '!**/docs/**' \
+    --glob '!**/*.md' \
+    --glob '!**/tests/**' \
+    --glob '!**/*test*.rs' \
+    --glob '!crates/fidc-core/src/strategy_ai.rs' \
+    --glob '!scripts/verify-no-legacy-data-source.sh' \
+    'FICLAW_DATA_AGENT_URL|ficlaw_data\.source_rows_v1|strategy-factory-source-lake://local' \
+    crates Cargo.toml \
+    2>/dev/null || true
+)"
+
+if [[ -n "$local_only_hits" ]]; then
+  fail "legacy or local-only data source references are not allowed in fidc-backtest-engine runtime" "$local_only_hits"
+fi
+
+fused_hits="$(
+  rg -n \
+    --glob '!**/.git/**' \
+    --glob '!**/target/**' \
+    --glob '!**/docs/**' \
+    --glob '!**/*.md' \
+    --glob '!**/tests/**' \
+    --glob '!**/*test*.rs' \
+    --glob '!crates/fidc-core/src/strategy_ai.rs' \
+    --glob '!scripts/verify-no-legacy-data-source.sh' \
+    'exported_fused|fidc_fused|fusion|fused' \
+    crates Cargo.toml \
+    2>/dev/null || true
+)"
+
+if [[ -n "$fused_hits" ]]; then
+  fail "exported fused tables are not allowed in fidc-backtest-engine runtime; use Strategy Factory Source Lake source rows directly" "$fused_hits"
+fi
+
 printf '[OK] fidc-backtest-engine has no legacy runtime data-source references\n'