[Bug]: Scoped source picker renders inherited defaults as an empty selection #568

Issue 类型 / Issue type

Bug 报告 / Bug report

提交前查重 / Duplicate check

• Searched open and closed issues for sourceKeys / empty selection; no matching UI report found.

涉及区域 / Affected area

Web UI 或对话交互 / Web UI or conversation interaction

摘要 / Summary

Scoped composition renders an unset sourceKeys and explicit sourceKeys: [] as all checkboxes unchecked. Unset actually selects eligible sources; [] selects none. Checking a source and unchecking it can turn what looks like "back to default" into a View with no Runtime or Memory Spaces routes/actions.

Errors include Source Action is not offered by the current View: runtime/mutate and memory-spaces/remember. Management GUI storage health can remain normal.

This does NOT claim that opening the panel or saving another untouched field automatically writes []. The current own tracking preserves untouched defaults. not-probed alone also does not prove a stalled Provider probe.

预期结果 / Expected outcome

Distinguish inherited defaults from explicit empty selection, and start the first edit from the effective selection. Require confirmation before saving zero sources. Preserve intentional empty scopes and writableSourceKeys: []; do not bypass Host authorization or silently migrate existing restrictions.

详情或复现步骤 / Details or reproduction steps

1. Use default-three-tier with Scoped composition enabled and config {}.
2. Open Scoped composition options: all source checkboxes appear unchecked even though Runtime, Documents and Memory Spaces are selected by default.
3. Check a source, uncheck it, and Apply.
4. Saved config becomes {"sourceKeys":[]}; a subsequent View has no selected memory routes/actions.
5. Reset to default and Apply: the override disappears and routes return, but the UI again looks unchecked.

环境信息 / Environment

• dsh-mnemon 0.5.40; scoped strategy 0.5.5
• DSH 0.2.1-rc.5 desktop; macOS arm64
• Mnemon CLI 0.2.13; Mnemon Native provider

冒烟测试 / Smoke test

A downstream frontend-only patch passed installed-code regression tests for inherited selection, first edit, cancelled/confirmed empty save, reset, and read-only preservation. Isolated real Standard/PTC sessions wrote synthetic hot/durable facts; separate new sessions read back random values not present in their prompts. Explicit empty and read-only Views still rejected writes. Desktop restart/click acceptance passed. No direct database writes or Host authorization changes are proposed.

引用代码 / Code references

src/client/component-options.tsx: staged, initial, SourceChoice, Apply. plugins/dsh-mnemon-strategy-scoped/src/index.ts: undefined sourceKeys versus [].

补丁草案 / Patch proposal

Source fix and regression tests: #569 . The fix changes UI presentation and confirmation only, retaining persistence formats and Host policy. No private memories, account data, credentials or workstation paths are included.