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---
title: Checkpoint 2026-09-16 09:50:51 UTC [5c3deb891d]
type: checkpoint
permalink: main/projects/62afe036-4c36-42b0-89fd-e2231d3d6788/checkpoint-2026-09-16-09-50-51-utc-5c3deb891d
stable_id: 4fd4cb43-e023-4e06-b422-d1dafdfcf786
scope: project
project_id: 62afe036-4c36-42b0-89fd-e2231d3d6788
memory_type: checkpoint
status: active
revision: 1
restored_from_commit: 6a6a895eafcca6052e81a14fca103a42635dd1c2
created_at: '2026-09-23T14:55:40.072256+00:00'
updated_at: '2026-09-23T14:55:40.072310+00:00'
tags:
- overview
- handoff
---
本会话只阅读代码与数据目录,未修改代码。已确认项目是单文件 main.py 的广电新开通站点影响分析工具:读取开通清单与小区库做空间匹配,汇总 2.6G/700M 周指标,并用楼宇/栅格 GPKG 统计弱覆盖面积,输出带图表的 Excel。当前本地源数据含约 151 行开通清单、CellData.csv、2.6G.xlsx、700M.xlsx、楼宇/栅格各 4 个月份 GPKG,CacheData 已有 metric_cache.sqlite,ResultData 有多份历史结果。
下一步:等待用户具体改动请求;不要在未说明的情况下重跑全量 GPKG 匹配(栅格单月约 2.3GB)。
给下个会话:先读 main.py 与 aidocs/project_context.md;进程池处理 GPKG 时勿换成线程池;sqlite 缓存替换前必须 conn.close();源 CSV 用 GBK。