[FEAT] Workspace Pinia Store and Dataset Breadcrumb Selector in AppHeader

[JonnyTran]

This pull request implements the "Global Workspace Selector" feature, transforming workspace selection into a centralized, persistent system integrated into the application's breadcrumb navigation. The changes introduce a new requirements document and implementation plan, and refactor the BaseBreadcrumbs component to support workspace and dataset dropdowns directly in the breadcrumb UI. This enables users to switch workspaces and datasets from anywhere in the app, with state managed globally and persistently.

The most important changes are:

Requirements and Planning

• Added a comprehensive requirements document outlining user stories, acceptance criteria, and technical expectations for the global workspace selector feature. (.kiro/specs/global-workspace-selector/requirements.md)
• Added a detailed implementation plan breaking down tasks, sub-tasks, and their mapping to requirements for building the global workspace selector, including storage, UI, error handling, and testing. (.kiro/specs/global-workspace-selector/tasks.md)

Breadcrumb Component Refactor

• Refactored BaseBreadcrumbs.vue to render workspace and dataset breadcrumb dropdown components (WorkspaceBreadcrumbDropdown and DatasetBreadcrumbDropdown) when the breadcrumb item is marked as such, enabling direct selection from the breadcrumb navigation. (extralit-frontend/components/base/base-breadcrumbs/BaseBreadcrumbs.vue)
• Updated the script section of BaseBreadcrumbs.vue to use TypeScript, import new types and dropdown components, and strongly type props and events for better maintainability and clarity. (extralit-frontend/components/base/base-breadcrumbs/BaseBreadcrumbs.vue)
• Enhanced event handling and styling in BaseBreadcrumbs.vue to support workspace switching, propagate events to parent components, and visually distinguish workspace/dataset breadcrumbs, improving user experience and consistency. (extralit-frontend/components/base/base-breadcrumbs/BaseBreadcrumbs.vue) [1] [2]

[codecov]

Codecov Report

❌ Patch coverage is 0.72464% with 137 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...ase/base-breadcrumbs/DatasetBreadcrumbDropdown.vue	0.00%	59 Missing ⚠️
...e/base-breadcrumbs/WorkspaceBreadcrumbDropdown.vue	0.00%	56 Missing ⚠️
...mponents/base/base-breadcrumbs/BaseBreadcrumbs.vue	0.00%	17 Missing ⚠️
...ponents/features/home/dataset-list/DatasetList.vue	0.00%	4 Missing ⚠️
...-frontend/components/features/global/AppHeader.vue	0.00%	1 Missing ⚠️

Flag	Coverage Δ
frontend	10.59% <0.72%> (-0.12%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...nnotation/header/header-bar/HeaderFeedbackTask.vue	68.00% <100.00%> (+1.33%)	⬆️
...nd/components/features/documents/DocumentsList.vue	0.00% <ø> (ø)
...s/features/import/analysis/ImportAnalysisTable.vue	56.56% <ø> (ø)
...nts/features/user-settings/UserSettingsContent.vue	0.00% <ø> (ø)
extralit-frontend/pages/index.vue	0.00% <ø> (ø)
...-frontend/components/features/global/AppHeader.vue	0.00% <0.00%> (ø)
...ponents/features/home/dataset-list/DatasetList.vue	0.00% <0.00%> (ø)
...mponents/base/base-breadcrumbs/BaseBreadcrumbs.vue	0.00% <0.00%> (ø)
...e/base-breadcrumbs/WorkspaceBreadcrumbDropdown.vue	0.00% <0.00%> (ø)
...ase/base-breadcrumbs/DatasetBreadcrumbDropdown.vue	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes

Components	Coverage Δ
extralit	64.93% <ø> (ø)
extralit-server	∅ <ø> (∅)
extralit-frontend	10.59% <0.72%> (-0.12%)	⬇️

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