Title: Prompt Specification Fails When Resuming Session with -c Flag

Bug Description
specifying the prompt on the command line works when i am not resuming a session with -c but doesn't when i am

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 1.0.30
• Feedback ID: c1754572-89a8-497e-8b10-26f4c73b7939

Errors

[{"error":"Error: Command failed: security find-generic-password -a $USER -w -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:890:11)\n    at execSync (node:child_process:962:15)\n    at NZ (file:///Users/home/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:699:3921)\n    at file:///Users/home/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:622:9014\n    at Q (file:///Users/home/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:526:17199)\n    at QX (file:///Users/home/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:622:8160)\n    at kS (file:///Users/home/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:622:7241)\n    at L9 (file:///Users/home/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:622:11408)","timestamp":"2025-06-19T22:27:02.112Z"}]