feat(vara-eth-idea/frontend): add program and code search

[nikitayutanov]

No description provided.

[Copilot]

Pull request overview

This pull request adds search functionality for programs and codes, with automatic entity detection based on address/hash format. The Navigation component has been refactored to be centralized at the app level, removing duplication across individual pages.

Changes:

• Centralized Navigation component in app.tsx, removing individual Navigation instances from all pages
• Enhanced Search component with form validation using React Hook Form and Zod, including entity type detection (program/user/code)
• Refactored code queries to separate concerns between requests and query hooks

Reviewed changes

Copilot reviewed 15 out of 17 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
vite-env.d.ts	Deleted file - removes critical Vite and SVG type definitions
react-router.d.ts	Added type augmentation for NavigateFunction
shared/utils/index.ts	Added cx and noop utility exports
pages/*.tsx	Removed Navigation component imports and usage (now centralized)
features/search/ui/search.tsx	Major refactor with Zod validation and async entity detection
features/search/ui/search.module.scss	Added error styling and validation states
features/codes/lib/requests.ts	New file extracting Code type and getCode function
features/codes/lib/queries.ts	Refactored to use shared Code type from requests.ts
features/programs/lib/queries.ts	Updated import path for Code type
components/navigation/navigation.tsx	Refactored to be self-contained with route-based action buttons
app/app.tsx	Added centralized Navigation component

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