Dashboard: 信号tab + API（signals + xiaoguo-scan），前端展示

server.py

@@ -198,7 +198,59 @@ def api_market():
     return jsonify(_load_json(DATA_DIR / "market.json", {}))
 
 
-# ── 数据写入API（供 cron/update_data.py 调用） ──────────
+# ── 信号API（新增） ─────────────────────────────────────
+
+
+@app.route("/api/signals")
+def api_signals():
+    """最近信号 + 小果分析"""
+    try:
+        from mofin_db import get_conn
+        conn = get_conn()
+        signals = conn.execute("""
+            SELECT sn.id, sn.sector, sn.overall_sentiment,
+                   sn.summary, sn.source, sn.created_at,
+                   ss.signal_type, ss.severity
+            FROM signal_news sn
+            LEFT JOIN sector_signals ss ON sn.signal_id = ss.id
+            ORDER BY sn.id DESC LIMIT 20
+        """).fetchall()
+        conn.close()
+        return jsonify([dict(r) for r in signals])
+    except Exception as e:
+        return jsonify({"error": str(e)}), 500
+
+
+@app.route("/api/xiaoguo-scan")
+def api_xiaoguo_scan():
+    """小果扫描统计"""
+    try:
+        from mofin_db import get_conn
+        conn = get_conn()
+        total = conn.execute("SELECT COUNT(*) FROM xiaoguo_scan_tracker").fetchone()[0]
+        found = conn.execute("SELECT COUNT(*) FROM xiaoguo_scan_tracker WHERE found_count>0").fetchone()[0]
+        recent = conn.execute("""
+            SELECT code, name, last_scanned_at, found_count
+            FROM xiaoguo_scan_tracker
+            ORDER BY last_scanned_at DESC LIMIT 20
+        """).fetchall()
+        source_count = conn.execute("""
+            SELECT source, COUNT(*) as cnt FROM signal_news
+            WHERE datetime(created_at) > datetime('now', '-1 day')
+            GROUP BY source
+        """).fetchall()
+        conn.close()
+        return jsonify({
+            "total_scanned": total,
+            "found_signals": found,
+            "recent": [dict(r) for r in recent],
+            "source_today": {r["source"]: r["cnt"] for r in source_count}
+        })
+    except Exception as e:
+        return jsonify({"error": str(e)}), 500
+
+
+# ── 数据写入API ──
 
 @app.route("/api/update/portfolio", methods=["POST"])
 def update_portfolio():