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4grayandClaude Opus 5
390188f0ce
Two data-loss paths, both P1, both mine. A web export wrote `sourcePins: []`. Pins are Electron-only, so out there we cannot read them — which is not the same as knowing there are none, and restore treats the collection as authoritative. A backup made in the browser was therefore an instruction to delete every pin the moment it was imported on the desktop. There are three answers here, not two: pins exist, there are none, and "could not look". The last omits the field, exactly as an archive written before pins existed does. The same rule now covers Electron with the bridge method missing. I had written a test asserting the unreachable-store case resolves to an empty list "because a backup made there is complete". That reasoning was wrong: empty was true of what the runtime could see, never of the playlist. Restore also cleared the playlist's pins and then wrote the archive's one by one. A write failing partway left the previous pins already gone and only a prefix applied — a state belonging to neither, reported as a failure the user could not undo. `DB_REPLACE_VOD_SOURCE_PINS` does the clear and every write in one transaction, so the playlist ends up as the archive describes it or exactly as it was. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>