feat(theme): migrate theme context and dropdowns to local implementation

[dharmesh-hemaram]

• Added local ThemeContext and ThemeProvider
• Updated theme dropdown components to use local context
• Updated imports and tsconfig references
• Removed legacy UI context/components references
• Improved theme switching and context usage

[Copilot]

Pull Request Overview

This PR migrates theme functionality from a shared UI library to a local implementation, improving theme context management and dropdown components. The changes remove dependencies on external UI packages and establish a self-contained theme system.

• Creates local ThemeContext and ThemeProvider implementation with localStorage and system preference support
• Replaces external theme dropdown components with local implementations
• Updates TypeScript configuration to remove legacy UI package references

Reviewed Changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tsconfig.json	Removes UI context and components package references
tsconfig.app.json	Removes UI context and components package references
main.tsx	Updates ThemeProvider import to use local context
theme-context.tsx	Creates new local theme context with provider implementation
context/index.ts	Exports theme context functionality
theme-nav-dropdown.tsx	Creates new theme navigation dropdown component
theme-button-dropdown.tsx	Creates new theme button dropdown component
theme/index.ts	Exports theme dropdown components
header.tsx	Updates theme dropdown import and adds Nav.Item wrapper
editable-cell.tsx	Updates ThemeContext import to use local implementation

[nx-cloud]

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☁️ Nx Cloud last updated this comment at 2025-08-01 03:21:58 UTC

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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[codacy-production]

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Coverage variation	Diff coverage
Report missing for 2b37f5c1	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (2b37f5c)	Report Missing	Report Missing	Report Missing
Head commit (0e6cb87)	1750	120	6.86%

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#638)	0	0	∅ (not applicable)

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Footnotes

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