diff --git a/testing/ci/quality_gate.py b/testing/ci/quality_gate.py
index 3640186..e369dd3 100644
--- a/testing/ci/quality_gate.py
+++ b/testing/ci/quality_gate.py
@@ -221,6 +221,38 @@ def check_coverage(
     return issues
 
 
+def _coverage_values_for_paths(
+    paths: Iterable[Path],
+    *,
+    backend_report: Path,
+    frontend_report: Path,
+) -> list[float]:
+    """Return per-file line coverage values for tracked backend/frontend files."""
+
+    backend_cov = _load_backend_coverage(backend_report) if backend_report.exists() else {}
+    frontend_cov = _load_frontend_coverage(frontend_report) if frontend_report.exists() else {}
+    values: list[float] = []
+
+    for path in paths:
+        if not path.exists():
+            continue
+        rel = path.relative_to(ROOT).as_posix() if path.is_absolute() else _normalize_key(str(path))
+        if rel.startswith("backend/"):
+            metrics = _coverage_lookup(backend_cov, rel)
+            if metrics is None:
+                continue
+            values.append(float(metrics.get("lines", 0.0)))
+            continue
+        if rel.startswith("frontend/"):
+            lookup = rel.split("frontend/", 1)[1]
+            metrics = _coverage_lookup(frontend_cov, lookup)
+            if metrics is None:
+                continue
+            pct = metrics.get("lines", {}).get("pct", 0.0)
+            values.append(float(pct))
+    return values
+
+
 def _build_parser() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(description="Run the repo's unified quality gate")
     parser.add_argument("--contract", default=str(DEFAULT_CONTRACT), help="Path to the JSON gate contract")
@@ -242,12 +274,21 @@ def run_gate(contract_path: Path, *, backend_coverage: Path, frontend_coverage:
     issues.extend(check_file_sizes(managed_files, max_lines=max_lines))
     issues.extend(check_docstrings(docstring_files))
     issues.extend(check_coverage(coverage_files, backend_report=backend_coverage, frontend_report=frontend_coverage, threshold=threshold))
+    coverage_values = _coverage_values_for_paths(
+        coverage_files,
+        backend_report=backend_coverage,
+        frontend_report=frontend_coverage,
+    )
+    workspace_line_coverage_percent = round(sum(coverage_values) / len(coverage_values), 3) if coverage_values else 0.0
+    source_lines_over_500 = sum(1 for issue in issues if issue.check == "loc")
     report = {
         "managed_files": [str(path.relative_to(ROOT)) for path in managed_files],
         "docstring_files": [str(path.relative_to(ROOT)) for path in docstring_files],
         "coverage_files": [str(path.relative_to(ROOT)) for path in coverage_files],
         "max_lines": max_lines,
         "coverage_threshold_pct": threshold,
+        "workspace_line_coverage_percent": workspace_line_coverage_percent,
+        "source_lines_over_500": source_lines_over_500,
         "issue_count": len(issues),
         "issues": [issue.__dict__ for issue in issues],
     }
diff --git a/testing/tests/test_quality_gate.py b/testing/tests/test_quality_gate.py
index 1d45ab9..bf461b7 100644
--- a/testing/tests/test_quality_gate.py
+++ b/testing/tests/test_quality_gate.py
@@ -3,11 +3,13 @@ from __future__ import annotations
 import json
 from pathlib import Path
 
+import testing.ci.quality_gate as quality_gate_module
 from testing.ci.quality_gate import (
     _js_node_issues,
     _python_node_issues,
     check_coverage,
     check_file_sizes,
+    run_gate,
 )
 
 
@@ -79,3 +81,75 @@ def test_check_coverage_reads_backend_and_frontend_reports(tmp_path: Path) -> No
     )
 
     assert issues == []
+
+
+def test_run_gate_reports_workspace_coverage_and_loc_totals(tmp_path: Path) -> None:
+    root_before = quality_gate_module.ROOT
+    quality_gate_module.ROOT = tmp_path
+    try:
+        backend_dir = tmp_path / "backend" / "atlas_portal"
+        frontend_dir = tmp_path / "frontend" / "src"
+        backend_dir.mkdir(parents=True)
+        frontend_dir.mkdir(parents=True)
+
+        (backend_dir / "app_factory.py").write_text(
+            '"""Factory docs."""\n\n'
+            "def create_app():\n"
+            '    """Create the app."""\n'
+            "    return object()\n"
+        )
+        (backend_dir / "too_long.py").write_text("\n".join(f"line_{idx}" for idx in range(501)))
+        (frontend_dir / "auth.js").write_text(
+            "/**\n"
+            " * WHY: auth wrapper exists.\n"
+            " * @param {string} token - jwt.\n"
+            " * @returns {string} token.\n"
+            " */\n"
+            "function auth(token) {\n"
+            "  return token;\n"
+            "}\n"
+        )
+
+        backend_report = tmp_path / "backend.xml"
+        backend_report.write_text(
+            '<coverage><packages><package><classes>'
+            '<class filename="backend/atlas_portal/app_factory.py" line-rate="1.0" branch-rate="1.0"/>'
+            '</classes></package></packages></coverage>'
+        )
+        frontend_report = tmp_path / "frontend.json"
+        frontend_report.write_text(
+            json.dumps(
+                {
+                    "src/auth.js": {
+                        "lines": {"pct": 100},
+                        "statements": {"pct": 100},
+                        "branches": {"pct": 100},
+                        "functions": {"pct": 100},
+                    }
+                }
+            )
+        )
+
+        contract = {
+            "managed_files": [
+                "backend/atlas_portal/app_factory.py",
+                "backend/atlas_portal/too_long.py",
+            ],
+            "docstring_files": ["backend/atlas_portal/app_factory.py"],
+            "coverage_files": [
+                "backend/atlas_portal/app_factory.py",
+                "frontend/src/auth.js",
+            ],
+            "max_lines": 500,
+            "coverage_threshold_pct": 95,
+        }
+        contract_path = tmp_path / "contract.json"
+        contract_path.write_text(json.dumps(contract))
+
+        issues, report = run_gate(contract_path, backend_coverage=backend_report, frontend_coverage=frontend_report)
+
+        assert any(issue.check == "loc" for issue in issues)
+        assert report["workspace_line_coverage_percent"] == 100.0
+        assert report["source_lines_over_500"] == 1
+    finally:
+        quality_gate_module.ROOT = root_before