[C-runbook] winget install / update / uninstall

[radical]

Track C validation, manual.

Manual runbook for testing winget install / update / --self clobber detection / uninstall friction on real Windows. Modeled on the scenarios gist.

Lives at docs/specs/acquisition-runbooks/runbook-winget.md. Should be LLM-runnable: numbered steps, exact commands, expected output, screenshot/log hooks, pass/fail criteria.

Scenarios covered

S1.4, S2.3, S6.5, S6.3 (winget rows), S3.1, S3.2, S3.5 (winget participation).

References

• W1, W4–W7, W11, W12a, W22a, W33–W36 from the gist.
• pkgmgr-pipelines.md for what we ship via winget.

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Part of: #29

[radical]

Runbook gist: https://gist.github.com/radical/86bce917075fd87e684be5c3aecb0c37

Relevant scenarios for this issue:

• §1.2 W single-route lifecycle
• §2.1 W → S, §2.2 S → W, §2.5 W+S+D triple
• §3.1 channel isolation S vs W
• §3.2 --break-install flow
• §4.2 triple uninstall orderings
• §5.1 SxS bundle race
• §5.3 concurrent update from S and W
• §6.1, §6.2 --break-install consequences