mug: revendor murmur3 #840
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Jet registration for `+vi` door urbit/urbit#7162
This PR is based on and targets #812. It also includes a copy of #825, as that fix is necessary for the relocated home road to not interfere with inner-road promotion. It implements "option 2" from #451 (comment). Moving the home road makes sense given #812, as it requires that the entire first page be reserved from the heap. Once the road home is moved, there's no reason for the snapshot to consist of two separage memory-image segments, as only the bottom of the loom needs to be preserved. This simplifies the snapshot system by removing much of the complicated, direction-switching redundancy in its implementation, and simplifies the handling of snapshots themselves as they are now a single file. Since these changes require a snapshot-system migration, I've taken the opportunity to add and verify a top-level checksum for all snapshot patch metadata.
This PR adds a `%spin` hint to vere. This hint provides a labeled compute stack in shared memory. It also includes an SSE endpoint located at `/~_~/spin` which will push the current non-empty stack to the SSE endpoint as a comma separated value string. The endpoint is set to sample the spin stack at 10kHz (0.1 ms). To test this: - boot a fake ship - login to the webui - navigate to `/~_~/spin` - in dojo enter ``` =g |= l=(list @) ~> %spin.[(scot %ud (lent l))] (turn l |=(a=@ ~>(%spin.[(scot %ud a)] (met 3 (jam .))))) ``` - run `(g ~[1 2 3 4 5 6 7 8 9 10])` in dojo. - On the website you should see: 
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This was referenced Jun 23, 2025
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Closed in favor of #842. |
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Corresponds with urbit/urbit#7186.