fix(cli): no totals line for one investor side

A foreign- or domestic-only summary has no totals now, so the table says
why instead of printing "Total - IDR". The CLI test checks the nulls and
the table.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01V3syn2fN2LNo5pvTSqc6eh

crates/idx-cli/src/output/table.rs

@@ -978,6 +978,7 @@ pub fn print_broker_summary(summary: &BrokerSummary) -> Result<(), IdxError> {
     }
     println!("{table}");
 
+    if summary.total_value.is_some() {
         let mut totals = format!(
             "Total {} IDR, {} lots",
             format_compact_option(summary.total_value),
@@ -990,6 +991,9 @@ pub fn print_broker_summary(summary: &BrokerSummary) -> Result<(), IdxError> {
             totals.push_str(&format!("; foreign net {:+}", format_compact(net)));
         }
         println!("{totals}.");
+    } else if summary.investor != BrokerInvestor::All {
+        println!("No totals: for one investor side the source totals only that side's buying.");
+    }
     for (kind, label) in [
         (BrokerKind::Foreign, "Foreign brokers"),
         (BrokerKind::StateOwned, "State-owned brokers"),

crates/idx-cli/tests/cli.rs

@@ -2495,7 +2495,27 @@ fn broker_summary_json_names_brokers_and_keeps_source_totals() {
     assert_eq!(filtered["investor"], "foreign");
     assert_eq!(filtered["board"], "regular");
     assert_eq!(filtered["buyers"][0]["code"], "KZ");
-    assert!(filtered["foreign_net_value"].is_null());
+    for field in [
+        "total_value",
+        "total_lots",
+        "average_price",
+        "foreign_net_value",
+    ] {
+        assert!(filtered[field].is_null(), "{field}: {filtered}");
+    }
+    let table = run_success_stdout(mock_bin("broker-filtered-table").args([
+        "stocks",
+        "broker",
+        "BBCA",
+        "--date",
+        "2026-10-16",
+        "--investor",
+        "foreign",
+        "--board",
+        "regular",
+    ]));
+    assert!(!table.contains("Total "), "{table}");
+    assert!(table.contains("No totals"), "{table}");
 }
 
 #[test]