feat: 研究Tab加子Tab(📋策略/📈策略进化)——进化子Tab表格展示AB路线每日研究成果(strategy_research_log), 新增/api/research/log

server.py

@@ -2237,6 +2237,25 @@ def api_prd():
 register_routes(app)
 
 
+@app.route("/api/research/log")
+def api_research_log():
+    """AB路线每日研究日志（2026-08-18）"""
+    try:
+        _c = sqlite3.connect(str(DATA_DIR / "mofin.db"), timeout=10)
+        _c.execute("PRAGMA busy_timeout=30000")
+        rows = _c.execute(
+            "SELECT log_date, market, weak_regime, finding, experiment, result, "
+            "produced_strategy, produced_verified FROM strategy_research_log "
+            "ORDER BY log_date DESC LIMIT 50").fetchall()
+        _c.close()
+        log = [{"log_date": r[0], "market": r[1], "weak_regime": r[2], "finding": r[3],
+                "experiment": r[4], "result": r[5], "produced_strategy": r[6],
+                "produced_verified": r[7]} for r in rows]
+        return jsonify({"log": log})
+    except Exception as e:
+        return jsonify({"log": [], "error": str(e)})
+
+
 @app.route("/api/evolution/dashboard")
 def api_evolution_dashboard():
     """进化模块 Dashboard"""