v2.6.0 历史分页+筛选+搜索+表头升降排序；一键清空历史(DELETE /api/tests)；右下角置顶/置底悬浮按钮

database.py

@@ -2,6 +2,7 @@
 """SQLite 存储：提供商配置 / 测试记录 / 每次采样指标 / 全量日志"""
 import os
 import json
+import math
 import sqlite3
 import threading
 import time
@@ -204,20 +205,86 @@ def get_test(tid: int):
             conn.close()
 
 
-def list_tests(limit=100):
+# 历史列表排序字段 → 取值函数（数值字段取 summary 聚合值，None 恒排最后）
+SORT_KEYS = {
+    "id": lambda t: t["id"],
+    "created_at": lambda t: t["created_at"],
+    "name": lambda t: (t.get("name") or "").lower(),
+    "provider": lambda t: (t.get("provider") or "").lower(),
+    "model": lambda t: (t.get("model") or "").lower(),
+    "status": lambda t: t.get("status") or "",
+    "samples": lambda t: (t.get("summary") or {}).get("samples_ok"),
+    "ttft": lambda t: (t.get("summary") or {}).get("avg_ttft_ms"),
+    "prefill": lambda t: (t.get("summary") or {}).get("avg_prefill_speed"),
+    "decode": lambda t: (t.get("summary") or {}).get("avg_decode_speed"),
+    "total_ms": lambda t: (t.get("summary") or {}).get("avg_total_ms"),
+}
+
+
+def query_tests(q="", status="", provider="", sort="id", order="desc",
+                page=1, page_size=20):
+    """历史记录：关键词搜索 + 状态/提供商筛选 + 字段排序 + 分页。
+    返回 {"items": [...], "total": N, "page": p, "page_size": s, "total_pages": n}"""
     with _lock:
         conn = _connect()
         try:
+            where, args = [], []
+            if q:
+                like = "%" + q + "%"
+                where.append("(id LIKE ? OR name LIKE ? OR model LIKE ? OR provider LIKE ?"
+                             " OR status LIKE ? OR created_at LIKE ?)")
+                args += [like] * 6
+            if status:
+                sts = [s.strip() for s in status.split(",") if s.strip()]
+                if sts:
+                    where.append("status IN (%s)" % ",".join("?" * len(sts)))
+                    args += sts
+            if provider:
+                where.append("provider = ?")
+                args.append(provider)
+            wsql = ("WHERE " + " AND ".join(where)) if where else ""
+
             rows = conn.execute(
                 "SELECT id,created_at,status,provider,model,name,summary_json,gen_cfg_json,error "
-                "FROM tests ORDER BY id DESC LIMIT ?", (limit,)).fetchall()
+                "FROM tests " + wsql + " ORDER BY id DESC", args).fetchall()
             out = []
             for r in rows:
                 d = dict(r)
                 d["summary"] = json.loads(d.pop("summary_json") or "{}")
                 d["gen"] = json.loads(d.pop("gen_cfg_json") or "{}")
                 out.append(d)
-            return out
+
+            # Python 侧排序：None 值恒排最后（无论升降序）
+            keyfn = SORT_KEYS.get(sort) or SORT_KEYS["id"]
+            present = [t for t in out if keyfn(t) is not None]
+            absent = [t for t in out if keyfn(t) is None]
+            present.sort(key=keyfn, reverse=(order == "desc"))
+            out = present + absent
+
+            total = len(out)
+            total_pages = max(1, math.ceil(total / page_size))
+            page = min(max(1, page), total_pages)
+            start = (page - 1) * page_size
+            return {
+                "items": out[start:start + page_size],
+                "total": total,
+                "page": page,
+                "page_size": page_size,
+                "total_pages": total_pages,
+            }
+        finally:
+            conn.close()
+
+
+def clear_tests():
+    """一键清空全部历史（测试记录 + 采样指标 + 日志）"""
+    with _lock:
+        conn = _connect()
+        try:
+            conn.execute("DELETE FROM test_runs")
+            conn.execute("DELETE FROM logs")
+            conn.execute("DELETE FROM tests")
+            conn.commit()
         finally:
             conn.close()