Add deterministic row layout for decoupling cap partitions

[hieu-lee]

Summary

• add a focused decoupling_caps path in SingleInnerPartitionPackingSolver that bypasses generic packing
• place caps in a deterministic centered row using decouplingCapsGap ?? chipGap and natural chip-id ordering
• preserve fixed rotations and account for 90/270 degree dimensions when spacing
• add regression tests for ordering, spacing, centering, and rotated dimensions

Demo

• Short demo video: https://raw.githubusercontent.com/hieu-lee/matchpack/matchpack-82-demo/decoupling-cap-row-demo.mp4
• Preview image: https://raw.githubusercontent.com/hieu-lee/matchpack/matchpack-82-demo/decoupling-cap-row-demo.png
• Raw solver output used for the visual: https://raw.githubusercontent.com/hieu-lee/matchpack/matchpack-82-demo/decoupling-cap-row-demo.json

Verification

• npx --yes bun@latest test tests/PackInnerPartitionsSolver/SingleInnerPartitionPackingSolver.test.ts
• npx --yes bun@latest run format:check
• npx --yes bun@latest run build
• git diff --check

/claim #15

[vercel]

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[hieu-lee]

CI update: pushed 49be2a0 to avoid eager loading the debugger UI from the LayoutPipelineSolver06 fixture. GitHub test, format-check, and type-check are now passing on the PR. The only remaining red status is Vercel fork deployment authorization, which requires a tscircuit team member to authorize the deployment.

[hieu-lee]

Demo artifact for the UI bounty review:

Short demo video: https://raw.githubusercontent.com/hieu-lee/matchpack/matchpack-82-demo/decoupling-cap-row-demo.mp4

Preview image:

This visual was generated from the actual SingleInnerPartitionPackingSolver output for a partitionType === "decoupling_caps" fixture. Raw solver output used for the visual: https://raw.githubusercontent.com/hieu-lee/matchpack/matchpack-82-demo/decoupling-cap-row-demo.json