Client A
0 pending81 keys · r0c0–r8c8 · values 1–9
SharedMap sudoku cells, live
Three watershed documents run the full
runtime (wire codecs, pending queues, and all), compiled to JavaScript
and running in your browser. They talk to one sluice: the
in-memory server that ships in the library,
standing in for floodgate with no backend. A cell edit renders optimistically
and pushes an op the sluice sequences; delivery is explicit, so state
propagates one stamped hop at a time. Local edits are drawn in
magenta until the sequencer stamps them;
server-sequenced state is ink.
Click any cell to cycle its digit, type 1–9 to write
directly, or press Delete or Shift-click to clear. Arrow keys move across
each board. Press
Race the same cell and A, B, and C write different digits
to the center cell, r4c4, at the same instant. The sluice
sequences those writes FIFO, and every replica converges on the last
sequenced value.
Client B
0 pending81 keys · r0c0–r8c8 · values 1–9
Client C
0 pending81 keys · r0c0–r8c8 · values 1–9
Sequencer
Converged all boards identical · nothing pending
Latency and jitter affect simulated arrival order; animation speed changes playback only.
The live demo couldn’t start: it runs the production client runtime against
the in-memory sluice as compiled JavaScript, and this browser
didn’t load it. The rest of the page works fine without it.