Fix linter errors

[cte]

Description

pnpm lint wasn't linting all files due to the globbing behavior. I fixed that and then addressed the remaining linter errors.

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Important

Fixes linter errors by updating linting configurations and addressing code issues across multiple files.

• Linting Configuration:
  • Update lint script in package.json files to use eslint with specific extensions and directories.
  • Add .prettierignore to ignore build directories and lock files.
  • Disable specific ESLint rules in eslint.config.mjs and webview-ui/eslint.config.mjs.
• Code Changes:
  • Replace var with let for variable declarations in index.ts and ClineProvider.ts.
  • Add @ts-expect-error comments for intentional TypeScript errors in modes.test.ts and subtasks.test.ts.
  • Add eslint-disable comments for specific rules in esbuild.ts, git.ts, and TerminalProcess.ts.
  • Fix potential issues with unhandled promise rejections in esbuild.ts and git.ts.
  • Adjust switch case blocks to use braces consistently in anthropic.ts, Task.ts, and export-markdown.ts.
  • Handle optional chaining and nullish coalescing in bedrock.ts and lmstudio.ts.
  • Correctly handle process imports in esbuild.mjs and jest.config.mjs.
  • Fix JSX property warnings in command.tsx and TaskHeader.tsx.
  • Ensure consistent use of const and let in context-mentions.ts and CopyButton.tsx.

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