Add support for platform DRC-disable flags

[seveibar]

Motivation

• Allow platform-level toggles to disable specific PCB DRC categories (netlist, placement, routing) so CI/host environments can selectively skip checks.

Description

• Read new platform flags netlistDrcChecksDisabled, placementDrcChecksDisabled, and routingDrcChecksDisabled and incorporate them into DRC gating logic in lib/components/normal-components/Board.ts so shouldRunNetlistChecks, shouldRunPlacementChecks, and shouldRunRoutingChecks are computed from both existing pcbDisabled/routingDisabled and the new flags.
• Bumped @tscircuit/props to ^0.0.487 to obtain the updated PlatformConfig typings that include these flags and updated package.json accordingly.
• Added tests tests/root-circuit/platform-drc-checks-disabled.test.tsx to verify netlistDrcChecksDisabled and placementDrcChecksDisabled suppress the corresponding DRC errors.

Testing

• Ran bun test tests/root-circuit/platform-drc-checks-disabled.test.tsx and both tests passed.
• Ran bun test tests/root-circuit/platform-routing-disabled.test.tsx and it passed.
• Ran bunx tsc --noEmit for full type-checking and it passed with no errors.
• Ran bun run format to format code changes.

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Codex Task

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Project	Deployment	Actions	Updated (UTC)
tscircuit-core-benchmarks	Ready	Preview, Comment	Mar 4, 2026 0:28am