Add documentation for SPICE simulation elements

[seveibar]

Motivation

• Several SPICE-related JSX elements used in simulation guides were undocumented, causing confusion when examples referenced them (e.g. <analogsimulation />, <voltagesource />, <voltageprobe />).
• Provide clear usage, examples, and properties so users can run and interpret analog simulations in tscircuit projects.

Description

• Added docs/elements/analogsimulation.mdx documenting <analogsimulation /> with an overview, example CircuitPreview, and a properties table for duration, timePerStep, and spiceEngine.
• Added docs/elements/voltagesource.mdx documenting <voltagesource /> with waveform options, placement example, and a properties table including waveShape, frequency, amplitude, offset, and dutyCycle.
• Added docs/elements/voltageprobe.mdx documenting <voltageprobe /> with example usage, differential measurement pattern, and properties including connectsTo and referenceTo.
• Each doc includes a runnable example snippet rendered via the CircuitPreview component to illustrate integration with traces, probes, and simulation configuration.

Testing

• Ran bunx tsc --noEmit to typecheck the repo and it completed successfully.
• Ran bun run format (biome) which formatted files successfully.
• Attempted bun update --latest some-dep which failed with a 404 from the registry (package not found).

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Codex Task

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview, Comment	Feb 2, 2026 7:46pm

[ShiboSoftwareDev]

is solver the correct word here?

[ShiboSoftwareDev]

this circuit: https://docs-ine7r6vwr-tscircuit.vercel.app/elements/voltagesource
shows a voltage of 0, I think it's because the voltage probe is only measuring one side because it won't reference GND when there is no GND net in the circuit, is this an issue that needs fixing?

[seveibar]

Nice finds, can you steal this pr? @ShiboSoftwareDev

[github-actions]

This PR has been automatically marked as stale because it has had no recent activity. It will be closed if no further activity occurs.