KTNB-1205: Support Jupyter Widgets#4

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ileasile wants to merge 56 commits intomasterfrom

Commits on Dec 27, 2025

KTNB-1205: Support Jupyter Widgets - platform and 5 kinds of widgets
ileasile
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KTNB-1205: Extract widget factory management into `WidgetFactoryRegistry` for improved modularity.
ileasile
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KTNB-1205: Refactor widget initialization to use WidgetFactoryRegistry and simplify factory creation.
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KTNB-1205: Pass `WidgetManager` as a constructor parameter to WidgetModel, get rid of ugly ID registration
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KTNB-1205: Extract WidgetManager interface
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KTNB-1205: Add separate integration module and README
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KTNB-1205: Fix bugs according to codex review
ileasile
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KTNB-1205: Fix bugs according to codex review
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KTNB-1205: Add generator module and schema
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KTNB-1205: Replace handwritten widget definitions with generated widgets, add support for new widget types.
ileasile
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KTNB-1205: Refactor widget generation to improve clarity, consistency, and reusability of type handling methods.
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KTNB-1205: Replace widget-specific enums with generated reusable enums, update references in widget definitions.
ileasile
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KTNB-1205: Add detailed property descriptions to widget definitions across multiple widgets, improve generated API clarity.
ileasile
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KTNB-1205: Refactor widget generator to modularize property type handling and utility functions, improve code structure.
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KTNB-1205: Remove unused widget specs and related functions, clean up version constraint handling.
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KTNB-1205: Add widgets-tests module with tests for widget comm messages and property updates, update dependencies.
ileasile
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KTNB-1205: Add tests for widget state updates, buffer handling, and comm protocol; update test dependencies and configuration.
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KTNB-1205: Add tests for widget display serialization and validation of comm event data
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KTNB-1205: Import enum package by default
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KTNB-1205: Add tests for primitive type serialization/deserialization and patch hydration; implement custom deserialization for IntType and FloatType.
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KTNB-1205: Handle missing widget ID during serialization in WidgetReferenceType
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KTNB-1205: Refactor widget state synchronization to distinguish frontend-initiated and backend-initiated updates, update related APIs and listeners.
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KTNB-1205: Update widgets to distinguish frontend-initialized and backend-initialized creation, adapt layout/style initialization accordingly, and refactor property handling logic.
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KTNB-1205: Make layout and style properties nullable, update widget property initialization, and adapt related tests and generator logic.
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KTNB-1205: Transition to nullable property initialization for primitive types and refactor widget property handling accordingly.
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KTNB-1205: Update dependencies for widgets modules to use `api` where necessary, remove redundant test dependency.
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KTNB-1205: Add `echoUpdate` support for selective property updates; implement related tests, update widget property handling, and adapt comm protocol logic.
ileasile
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KTNB-1205: Refactor widget tests to use helper methods for event assertions and streamline widget creation/update logic
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KTNB-1205: Support `Number` type for `step` property in `TimeWidget` and `DatePickerWidget`, add related tests, and refactor property type handling.
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KTNB-1205: Refactor widget property handling to use specialized nullable delegates for date, time, and datetime types; update related widget initialization and generator logic.
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KTNB-1205: Update widgets README to include new modules, add development instructions for widget generation
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KTNB-1205: Remove widget references on comm close to prevent memory leaks and ensure proper cleanup.
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KTNB-1205: Introduce union types for widget properties, refactor property type handling, remove redundant enum, and update related tests and logic.
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KTNB-1205: Add support for sending and receiving custom messages in widgets, update `WidgetManager` and `WidgetModel` APIs, refactor tests to include new message handling logic.
ileasile
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KTNB-1205: Update widget version handling to include patch version, update default minor version, and refactor version metadata logic.
ileasile
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KTNB-1205: Fix widget version inconsistency by using `viewModuleVersion` instead of `modelModuleVersion` during version parsing.
ileasile
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Commits on Jan 15, 2026

Commits on Jan 16, 2026