feat: 项目模块状态Tab + 待签约简化视图

- 顶部新增已签约/待签约 Tab(复用finance-tab下划线样式)
- 待签约视图:表格仅显示项目名称/状态/签约金额/签约月份/毛利/成本/项目利润
- 待签约视图:卡片仅显示签约金额/毛利/成本/项目利润
- 替换原状态筛选下拉框

static/modules/utils.js

@@ -192,6 +192,10 @@ window.setFinView = (view) => {
   localStorage.setItem("opc-fin-view", view);
   renderFinance();
 };
+window.switchFinFilter = (filter) => {
+  state.finFilter = filter;
+  renderFinance();
+};
 window.switchTenant = (tenant) => {
   state.tenant = tenant;
   state.selectedProject = null;