diff --git a/src/fgai/dashboard.py b/src/fgai/dashboard.py
index 30cb94a..7d348ca 100644
--- a/src/fgai/dashboard.py
+++ b/src/fgai/dashboard.py
@@ -561,6 +561,24 @@ def serve_dashboard(host: str, port: int, status_file: str, *, image_dir: str |
     image_root = Path(image_dir) if image_dir else None
     config_store = ConfigStore(config_file)
 
+    def read_status() -> dict[str, object]:
+        try:
+            status = json.loads(status_path.read_text(encoding="utf-8")) if status_path.exists() else {}
+        except json.JSONDecodeError:
+            status = {}
+        if not isinstance(status, dict):
+            status = {}
+        status.setdefault("status_schema", 2)
+        for row in status.get("stream_coverage", []) if isinstance(status.get("stream_coverage"), list) else []:
+            if isinstance(row, dict):
+                row.setdefault("aggregate_error", "")
+                row.setdefault("raw_error", "")
+                if row.get("aggregate_status") == "error" and not row.get("aggregate_error") and row.get("error"):
+                    row["aggregate_error"] = str(row.get("error", ""))
+                if row.get("partial") and not row.get("raw_error") and row.get("error"):
+                    row["raw_error"] = str(row.get("error", ""))
+        return status
+
     class Handler(BaseHTTPRequestHandler):
         def do_GET(self) -> None:
             if self.path == "/":
@@ -618,21 +636,14 @@ def serve_dashboard(host: str, port: int, status_file: str, *, image_dir: str |
                     self._send(400, "application/json", json.dumps({"error": str(exc)}).encode("utf-8"))
                 return
             if self.path == "/api/status":
-                if status_path.exists():
-                    body = status_path.read_bytes()
-                else:
-                    body = json.dumps({"summary": {}, "anomalies": [], "block_candidates": []}).encode("utf-8")
-                self._send(200, "application/json", body)
+                self._send(200, "application/json", json.dumps(read_status()).encode("utf-8"))
                 return
             if self.path.startswith("/api/export/incidents"):
                 parsed = urlparse(self.path)
                 params = parse_qs(parsed.query)
                 fmt = params.get("format", ["markdown"])[0]
                 incident_id = params.get("incident_id", [""])[0] or None
-                try:
-                    status = json.loads(status_path.read_text(encoding="utf-8")) if status_path.exists() else {}
-                except json.JSONDecodeError:
-                    status = {}
+                status = read_status()
                 report = investigation_report(status, incident_id=incident_id)
                 if fmt == "json":
                     self._send(200, "application/json", json.dumps(report, indent=2, sort_keys=True).encode("utf-8"))
@@ -640,10 +651,7 @@ def serve_dashboard(host: str, port: int, status_file: str, *, image_dir: str |
                     self._send(200, "text/markdown; charset=utf-8", investigation_report_markdown(report).encode("utf-8"))
                 return
             if self.path == "/metrics":
-                try:
-                    status = json.loads(status_path.read_text(encoding="utf-8")) if status_path.exists() else {}
-                except json.JSONDecodeError:
-                    status = {}
+                status = read_status()
                 self._send(200, "text/plain; version=0.0.4; charset=utf-8", prometheus_metrics(status).encode("utf-8"))
                 return
             if self.path.startswith("/images/") and image_root: