fix: complete runtime and workspace workflows

Restore Ask workspace reads and output paging without granting write access,
and let programming Subagents reuse their parent's browser page. Allocate
browser resources only when used, keep Agent pages aligned with workbar tabs,
recover released bindings, and remove unused automatic screenshot work.

Preserve inherited Runtime selections during remote usage persistence and
manual compression. Keep viable channel model fallbacks, display the actual
scheduled-task mode and Harness model source, and avoid rediscovery delays
when calling healthy MCP tools. Fix directory/history refresh, case-only
renames, rename-aware commit diffs, and FastGPT probe success reporting.

Add regression coverage and align feature documentation. The Agent-side
connection timeout fix requires deploying an updated Agent; existing Ask
read-only and Execute authorization boundaries remain unchanged.

Final validation: 3839 tests passed, 66 skipped; typecheck, lint, development
build, and diff checks passed. Isolated Electron UI/MCP workflows passed with
a loopback model fixture. Current-source Linux x64 Host checks passed with
three successful real model requests. Chromium loadURL rejection was not
reproduced in the UI; released-binding recovery has automated coverage.

Release note: 修复 Ask 读取项目文件、浏览器页面显示与恢复、文件管理及模型配置跟随中的不一致，并减少无用截图和 MCP 等待。定时任务显示实际工作模式，远程会话可正常保存继承 Runtime 的用量；远端连接超时修复需更新 Agent 后生效。

docs/features/task-and-job/scheduled-task-prd.md

@@ -160,6 +160,10 @@ GoodBuddy Desktop · 项目工作目录
 
 已保存计划中的旧工作模式和 Runtime 字段不再控制执行；用户在关联会话或项目中调整配置。
 
+会话任务详情中的模式与执行来源保持一致：从未运行的计划显示关联会话当前有效模式；
+已开始或已结束的 Task 显示该次执行记录的实际模式，不被计划旧字段或会话后续切换覆盖。
+缺少实际模式记录时明确显示不可用，不从旧计划字段推断。
+
 ### 6.3 审批
 
 - 使用普通会话的授权和提问流程。Agent Runtime 的 Execute 工具调用无需通用 GoodBuddy 审批，工具活动仍显示在会话中。