[techmannih]

The board reference previously described omitting routeRemaining and explicitly setting it to true as equivalent. Under the default preflight, the implicit routing phase runs only when 50 or fewer connections remain after explicit phases finish.

Board configuration	What core does
50 remaining, routeRemaining omitted	Routes all 50.
51 remaining, routeRemaining omitted	Skips the entire implicit phase and reports a routing error.
51 remaining, routeRemaining={true}	Routes all 51.
52 total, 1 routed explicitly, default settings	Keeps the 1 routed connection and skips the remaining 51.
52 total, 2 routed explicitly, default settings	Routes the remaining 50, completing all 52.

This PR updates the documentation for existing core behavior. The regression also covers explicit overrides and nested subcircuits. Core regression · Preview the corrected board properties reference

To reproduce in a core checkout, run bun test tests/features/board-route-remaining-preflight.test.tsx.

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[techmannih]

The 50/51 threshold is correct. One sentence overstates the scope of the policy.

[techmannih]

The limit applies to connections still waiting for the implicit routing phase. With the default settings, 50 remaining connections route. With 51, the whole implicit phase is skipped and core reports a routing error. Setting <board routeRemaining={true}> opts in to all 51.

You can also see the boundary with 52 total connections. Route one explicitly and 51 remain, so only the first routes. Route two explicitly and the remaining 50 also route. This PR documents existing core behavior. Executable cases

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