feat: 经营报表年份支持 + 项目管理年份过滤修复

- 经营月报/季报增加年份选择入口，数据按选中年份过滤
- 年份下拉框扩展至 2020-2027，增加「所有年份」选项
- 项目管理视图全年/季度/月度均按年份过滤项目列表
- 修复月度视图在所有年份模式下数据查询（substring→slice）
- 修复 finView/finFilter 初始化，确保全年标签默认选中
- 修复 yearly API 缺失 tenant 参数导致跨工作台数据错误
- 费用数据（expense）遍历加年份过滤，季报指标改为从 fm 累加

backend/helpers.py

@@ -61,8 +61,8 @@ def attach_common(conn, resource, items):
     return items
 
 
-def monthly_finance(conn, tenant="科普·无界"):
-    _year = date.today().year
+def monthly_finance(conn, tenant="科普·无界", year=None):
+    _year = year or date.today().year
     months = [f"{_year}-{m:02d}" for m in range(1, 13)]
     pfs = rows(conn,
         "SELECT sign_amount, sign_month, budget_data, expense_data FROM project_finances WHERE tenant=?",

backend/routes.py

@@ -489,6 +489,42 @@ def bootstrap():
         conn.close()
 
 
+@bp.route("/api/finance/yearly")
+@login_required
+def finance_yearly():
+    """按年份返回经营月报/季报所需的 12 月财务数据，支持历史年份切换。year=0 表示所有年份"""
+    _year = request.args.get("year", type=int)
+    if _year is None:
+        _year = date.today().year
+    tenant = request.args.get("tenant", session.get("tenants", ["科普·无界"])[0])
+    allowed = session.get("tenants", [])
+    allowed = [t if t != "总工作台" else "科普·无界" for t in allowed]
+    allowed = [t if t != "学会·无界" else "学术·无界" for t in allowed]
+    if tenant not in allowed:
+        tenant = allowed[0] if allowed else ""
+    conn = db()
+    try:
+        if _year == 0:
+            # 所有年份：查出所有有数据的年份，合并 12 个月
+            yr_rows = rows(conn,
+                "SELECT DISTINCT SUBSTRING(sign_month,1,4) AS y FROM project_finances WHERE tenant=? AND sign_month IS NOT NULL AND sign_month!='' ORDER BY y",
+                [tenant])
+            all_years = [int(r["y"]) for r in yr_rows if r["y"] and r["y"].isdigit()]
+            if not all_years:
+                all_years = [date.today().year]
+            merged = [{"month": f"所有-{m+1:02d}", "revenue": 0, "gross": 0, "payment": 0, "cost": 0, "paid": 0, "sign": 0}
+                      for m in range(12)]
+            for y in all_years:
+                fm = monthly_finance(conn, tenant, y)
+                for i, m in enumerate(fm):
+                    for k in ("revenue", "gross", "payment", "cost", "paid", "sign"):
+                        merged[i][k] = round(merged[i][k] + (m[k] or 0), 2)
+            return jsonify({"year": 0, "financeMonthly": merged})
+        return jsonify({"year": _year, "financeMonthly": monthly_finance(conn, tenant, _year)})
+    finally:
+        conn.close()
+
+
 # ---------- 通用 CRUD ----------
 
 @bp.route("/api/<resource>/list", methods=["GET"])