Align close same-net trace segments

[Ethan2040]

/claim #34

Summary

• Add a cleanup pass that aligns close, overlapping same-net trace segments onto the same X/Y coordinate.
• Run that pass after turn minimization and Z-shape balancing in TraceCleanupSolver.
• Cover horizontal alignment, vertical alignment, and different-net non-alignment with focused tests.

Why

Fixes #34. Same-net traces that are already close should visually merge by sharing a coordinate instead of remaining as near-parallel lines.

Validation

• bun test
• bun run build
• bunx biome check --write lib\solvers\TraceCleanupSolver\alignSameNetTraceSegments.ts lib\solvers\TraceCleanupSolver\TraceCleanupSolver.ts tests\functions\align-same-net-trace-segments.test.ts

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Project	Deployment	Actions	Updated (UTC)
schematic-trace-solver	Ready	Preview, Comment	Jun 23, 2026 11:44pm

[Ethan2040]

/claim #34

[Ethan2040]

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