Document automatic pinned USB migration utility downloads

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mikecarper committed 2026-10-11 13:29:08 -07:00
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@@ -145,9 +145,13 @@ and LoRa artifacts remain unchanged. Exact new board/role migration packages
also include their matching `usb-bridge.bin`.
A host can pair this standalone set with an older, exact Full migration ZIP;
the Full image retains its original release/source identity. For meshfirmware,
set `MESHFIRMWARE_USB_MIGRATION_SET` to the local set ZIP, or place it beside
the flasher at `tools/meshcore-usb-partition-bridges.zip`. The original Full
the Full image retains its original release/source identity. Meshfirmware
downloads a versioned, checksum-pinned published USB set when a qualified
older package has no USB bridge. It does not use an untested `latest` bridge,
and an ordinary update that fits does not download migration utilities.
For an offline or explicitly selected set, use `MESHFIRMWARE_USB_MIGRATION_SET`,
or place the ZIP beside the flasher at `tools/meshcore-usb-partition-bridges.zip`.
The original Full
package must still match the selected final image and prove the target layout.
No app-only upload or manual partition-table write substitutes for that proof.