fix: maintain a 4:3 aspect ratio when packing distant schematic groups

[anil08607]

Fixes #14.

The partition packer could stack distantly related schematic groups vertically when they shared only a global rail such as GND. This caused schematics to grow vertically and produce an unbalanced portrait layout.

Changes

• Prefer horizontal placement for two distant movable partitions sharing at most one network.
• Preserve the configured partition gap between repositioned groups.
• Keep fixed-position partitions unchanged.
• Preserve existing behavior for partitions connected through multiple networks.
• Update the regression test to enforce a minimum 4:3 layout aspect ratio.
• Regenerate repro-tall-growing-schematic.snap.svg.
• Fix the RP2040 repro input typing so the CI type-check passes.
• Apply the required formatting changes.

Testing

• bun run format:check — passed
• bunx tsc --noEmit — passed
• Relevant tests — 5 passed, 0 failed
• git diff --check — passed

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Project	Deployment	Actions	Updated (UTC)
matchpack	Ready	Preview	Aug 8, 2026 4:22am

[seveibar]

!!

[seveibar]

using strings isn't allowed, i suspect this implementation is more of a hack than a proper aspect ratio aware solution

[seveibar]

sorry meant to reject

[seveibar]

there is already string replacement being used but we shouldn't make the problem worse

I don't know what the correct solution for this is, but i think this is more of a hack, i'd need to see evidence of other solutions being trialed and actually a selection process

[mohan-bee]

not sure how helpful is this .. becuase this may regress the trace solver to fallback to netlabel instead of routing

[MustafaMulla29]

@anil08607 mohan-bee has a point, whenever you are making contributions to matchpack or schematic-trace-solver you should always bun link it in core and see the snapshot changes are actually improvements or not