[Feature Request] Add official Nix package for Claude Code distribution

Bug Description
If you want us to move to native installer you should ship an official nix package for that as we can't use native installer on NixOS

Environment Info

• Platform: linux
• Terminal: zed
• Version: 2.1.42
• Feedback ID: 145e31fe-9535-4ca0-b5f9-99e1bb5493b3

Errors

[{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server greptile invalid: Missing environment variables: GREPTILE_API_KEY\n    at CM1 (file:///home/sbpro/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1591:30006)","timestamp":"2026-02-15T09:01:29.848Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server greptile invalid: Missing environment variables: GREPTILE_API_KEY\n    at CM1 (file:///home/sbpro/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1591:30006)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async M (file:///home/sbpro/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:3776:17166)","timestamp":"2026-02-15T09:01:31.017Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server greptile invalid: Missing environment variables: GREPTILE_API_KEY\n    at CM1 (file:///home/sbpro/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:1591:30006)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async P (file:///home/sbpro/.npm-global/lib/node_modules/@anthropic-ai/claude-code/cli.js:3776:17682)","timestamp":"2026-02-15T09:01:31.017Z"}]