v0.3.0

First release of the realigned SDK.

• Typed client for the IonForge cloud API: projects, geometries, models, runs, sweeps, uploads; sync and async; retries, polling, pagination
• Geometry builder with symmetry support, structural validation, STL I/O, visualization
• Optional pandas integration: sweep/run DataFrames and result-file loaders (numpy arrays, stable per-particle frames)
• Full simulation parameter reference (docs/parameters.md) and an end-to-end einzel lens example
• 216-test suite, zero type diagnostics
• Requires Python 3.11+