Add critical protocol definitions: Field Widget, Plugin Lifecycle, Driver Interface, and Trigger Context#34

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huangyiirene merged 3 commits intomainfrom

copilot/add-field-widget-contract

Jan 20, 2026

Commits on Jan 20, 2026

Initial plan
Copilot
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Implement critical protocol definitions: widget, plugin, driver, and trigger

Copilot
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huangyiirene
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Fix type reference: Use PluginDefinition instead of Plugin in tests

Copilot
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huangyiirene
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