plugin crate: register the store on the cold lane busbar boots stores through - #17
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…a configured store through busbar at the pin (e1d3d8b0) opens a configured dropped-in store through PluginRegistry::open_store -> load_store_image, the cold lane (busbar_abi, busbar_plugin_kind, busbar_open, ...). An image exporting only busbar_plugin_door answers busbar_plugin_kind with NULL there, so every boot with store.module: sqlite was refused (BUSBAR-9007 'returned a null kind string') and the e2e boots failed. The cdylib now also registers the same SqliteStore through export_store_plugin! (opened by door::open, same settings and refusals); busbar_plugin_door is still exported for the door lane.
This was referenced Oct 3, 2026
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dev CI is red on the e2e boots:
busbar exited before creating the sqlite file/before the admin API became ready.Root cause: busbar at the fleet pin (e1d3d8b0) opens a configured dropped-in store only through the cold store lane (
PluginRegistry::open_store->load_store_image->busbar_abi/busbar_plugin_kind/busbar_open...); the kernel has no door-store boot path yet. Since the memory-ABI port this cdylib exported onlybusbar_plugin_door, so the SDK's frozenbusbar_plugin_kindreturned NULL and the boot was refused (BUSBAR-9007 "returned a null kind string").Fix: the plugin crate also registers the same
SqliteStoreviaexport_store_plugin!(opened bydoor::open, same settings and refusals).busbar_plugin_dooris still exported, so the door lane (conformance through load_linked/load_dropped) keeps working.Proof: fmt, clippy -D warnings and
cargo test --workspace --locked(with BUSBAR_CHECKOUT at the pin) pass on a fresh runner; e2e 5/5.