[Feature Request] Add Railway deployment auto-configuration and documentation

Bug Description
Make sure claude code figures out everything to deploy seemlessly on railway. this is the biggest wastage of time in my experience last 1 month

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.0.76
• Feedback ID: fae6f5d1-82c2-4955-ab3c-81dc93b6e2ec

Errors

[{"error":"Error: EISDIR: illegal operation on a directory, read\n    at Module.readFileSync (node:fs:435:20)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:9:429\n    at oI (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:8:8084)\n    at Object.readFileSync (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:9:404)\n    at zdB (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:4739:22342)\n    at Object.call (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1027:942)\n    at Au5 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2207:17446)","timestamp":"2026-01-04T05:01:10.120Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"prompt is too long: 219140 tokens > 200000 maximum\"},\"request_id\":\"req_011CWmsFb2tywnzcPoH8FzVd\"}\n    at F9.generate (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:510:11051)\n    at OT.makeStatusError (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:857:2195)\n    at OT.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:857:5420)\n    at process.processTicksAndRejections (node:internal/process/task_queues:103:5)\n    at async SW9.d71.model (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:4593:6345)\n    at async d71 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1346:19540)\n    at async SW9 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:4593:6499)\n    at async file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:4591:3557\n    at async d00 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1007:2037)\n    at async Cd (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:4591:3528)","timestamp":"2026-01-04T06:30:24.328Z"},{"error":"Error: Request was aborted.\n    at d71 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1346:19457)\n    at d71.next (<anonymous>)\n    at SW9 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:4593:1426)\n    at async file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:4591:3799\n    at async d00 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1007:2037)\n    at async zHA (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:4591:3769)\n    at async ew (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2207:3569)\n    at async f9A (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2172:2667)\n    at async ug5 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2172:6242)\n    at async Wv2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2172:5684)","timestamp":"2026-01-04T20:07:15.385Z"},{"error":"Error: Request was aborted.\n    at OT.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:857:3940)\n    at process.processTicksAndRejections (node:internal/process/task_queues:103:5)","timestamp":"2026-01-04T20:40:26.863Z"}]