feature: super validator infrastructure and first two validators

[harbournick]

• Creates new SuperValidator class that will contain active document, import and export validations
• Creates extensible infra for adding many validators and extending existing ones
• Adds custom logger for SuperValidator and validators
• Adds validation on ready event for both standard and collaboration mode
• Adds first two validators for checking rId in image node and link mark
• Adds document.xml.rels docx helpers
• Adds complete JSDoc definitions and automated TS checks for all new files (build will fail if types are invalid)
• 100% unit test coverage in validator

[Copilot]

Pull Request Overview

This PR introduces a comprehensive document validation infrastructure for the Super Editor with initial validator implementations for handling missing rId attributes in images and links.

• Creates a modular SuperValidator architecture that supports multiple document validation types
• Implements automatic validation on editor initialization and collaboration readiness events
• Adds comprehensive logging, JSDoc documentation, and 100% test coverage

Reviewed Changes

Copilot reviewed 29 out of 29 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
packages/super-editor/src/core/Editor.js	Integrates SuperValidator into editor lifecycle
packages/super-editor/src/core/super-validator/	Core validator infrastructure with logging and types
packages/super-editor/src/core/super-validator/validators/state/	State validators for image nodes and link marks
packages/super-editor/src/core/super-converter/docx-helpers/	Document.xml.rels utility functions for rId management
packages/super-editor/tsconfig.json	Updated module resolution for NodeNext
packages/superdoc/src/dev/components/SuperdocDev.vue	Dev environment configuration updates

Comments suppressed due to low confidence (2)

packages/super-editor/src/core/super-validator/validators/state/nodes/link/rules/link-rid.js:27

• The variable name 'newId' is misleading since this line is finding an existing ID, not creating a new one. Consider renaming to 'existingId' or 'foundId' for clarity.

      let newId = editor.converter.docxHelpers.findRelationshipIdFromTarget(href, editor);

packages/super-editor/src/core/super-validator/validators/state/nodes/image/rules/image-rid.js:25

• The variable name 'newId' is misleading since this line is finding an existing ID, not creating a new one. Consider renaming to 'existingId' or 'foundId' for clarity.

      let newId = editor.converter.docxHelpers.findRelationshipIdFromTarget(src, editor);

[edoversb]

LGTM