Introduces shared GPUDevice support for multi-chart dashboards, plus improved zoom synchronization semantics and new documentation for dashboard patterns

[hunterg325]

Introduces shared GPUDevice support for multi-chart dashboards, plus improved zoom synchronization semantics and new documentation for dashboard patterns. [github](#125)

Highlights

• Shared GPUDevice for dashboards: Multiple ChartGPU instances can now share a single { adapter, device }, reducing redundant WebGPU initialization and making multi-chart dashboards more ergonomic. [github](Introduces Shared GPUDevice Support for Multi-chart Dashboards #125)
• Optional create context: ChartGPU.create(container, options, context?) accepts a ChartGPUCreateContext with injected { adapter, device } to opt into shared-device mode when you already manage WebGPU yourself. [github](Introduces Shared GPUDevice Support for Multi-chart Dashboards #125)
• Clear ownership semantics: Injected adapters/devices are treated as externally owned and are never destroyed by ChartGPU; canvas contexts are still unconfigured on dispose to avoid leaks while respecting host lifetime management. [github](Introduces Shared GPUDevice Support for Multi-chart Dashboards #125)
• Device loss handling: A new 'deviceLost' chart event is emitted in shared-device mode so dashboards can react to device loss and propagate recovery or teardown logic consistently. [github](Introduces Shared GPUDevice Support for Multi-chart Dashboards #125)
• Enhanced zoom sync behavior: Zoom range change semantics were refined to support auto-scroll isolation in sync groups, so one chart can auto-scroll while others stay pinned or follow according to group configuration. [github](Introduces Shared GPUDevice Support for Multi-chart Dashboards #125)
• Multi-chart dashboard cookbook: New documentation and examples walk through building multi-chart dashboards with a shared GPU device and demonstrate the updated zoom event behavior and sync patterns. [github](Introduces Shared GPUDevice Support for Multi-chart Dashboards #125)

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