feat(KR): KR完整修复 — krs表打通+方向符号operator+权重自由输入

- 后端okr.py: KR读取从ActionPlan改为krs表, 新增KR CRUD API(POST/PUT/DELETE /okr/{objective_id}/krs) + 批量sync
- operator方向符号: krs表加operator/tolerance/weight/sort_order/monthly_milestones列
- progress方向感知计算(>=/>: current/target, <=/<: target/current, =: 容差), 达成→status=achieved
- 关联KPI自动继承方向(threshold_green解析: F_COST_RATIO<=18等)
- maps.py: 保存地图时自动同步objectives+krs表, JSON→krs数据迁移脚本
- 前端: 权重下拉改自由数字输入(可小数33.33) + 方向选择器(≥/≤/>/</=) + 自动平分按钮 + KPI方向继承提示
- pytest: 10个新测试(krs CRUD/方向感知/权重校验/多租户隔离) + 更新旧KR测试
- 迁移: 现有strategic_maps JSON 12条KR已写入krs表

backend/app/api/bot_bridge.py

@@ -13,7 +13,7 @@ from app.models import (
     User, StrategicMap, KPIDefinition, KPITemplate, KPIValue,
     DataSourceConfig, KPIAlert, OperationLog, NotificationChannel,
     NotificationLog, RolePermission, ActionPlan, OrgNode,
-    StrategicMapVersion, MapObjective, Objective,
+    StrategicMapVersion, MapObjective, Objective, KR,
 )
 from app.models.budget_plan import BudgetPlan
 from app.models.cost_model import StandardCost, ActualCost, AbcActivity, AbcAllocation
@@ -457,13 +457,15 @@ def bot_query(
         objs = db.query(Objective).filter(Objective.status == "active").all()
         result["okr"] = []
         for o in objs:
-            krs = db.query(ActionPlan).filter(ActionPlan.objective_id == o.id).all()
+            # KR完整修复(2026-08-27): 从krs表读取
+            krs = db.query(KR).filter(KR.objective_id == o.id).all()
             result["okr"].append({
                 "id": o.id, "title": o.title, "quarter": o.quarter,
                 "dimension": o.dimension, "progress": o.progress,
                 "confidence": o.confidence,
                 "key_results": [
-                    {"title": kr.title, "status": kr.status, "progress": kr.progress}
+                    {"title": kr.title, "status": kr.status, "progress": kr.progress,
+                     "operator": kr.operator, "target_value": _float(kr.target_value)}
                     for kr in krs
                 ]
             })