[Feature Request] Fix footer input field to remain visible when scrolling up in chat history

Bug Description
fixed footer for inputting text so when i scroll up to read things, I can also type out a response while scrolled up

Environment Info

• Platform: darwin
• Terminal: ghostty
• Version: 2.1.79
• Feedback ID: cf8583b6-6247-44c9-bb15-42246cd2b043

Errors

[{"error":"Error: ripgrep exited with code null\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:529:8822)\n    at emit (node:events:98:22)\n    at #maybeClose (node:child_process:766:16)\n    at #handleOnExit (node:child_process:520:72)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-23T19:35:28.800Z"},{"error":"RipgrepTimeoutError: Ripgrep search timed out after 20 seconds. The search may have matched files but did not complete in time. Try searching a more specific path or pattern.\n    at $ (/$bunfs/root/src/entrypoints/cli.js:531:242)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:531:456)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:529:8893)\n    at emit (node:events:98:22)\n    at #maybeClose (node:child_process:766:16)\n    at #handleOnExit (node:child_process:520:72)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-23T19:35:28.801Z"},{"error":"Error: EISDIR: illegal operation on a directory, read '/Users/tylerlowmiller/.claude'\n    at oK_ (/$bunfs/root/src/entrypoints/cli.js:927:8557)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-23T19:46:50.587Z"},{"error":"Error: ripgrep exited with code null\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:529:8822)\n    at emit (node:events:98:22)\n    at #maybeClose (node:child_process:766:16)\n    at #handleOnExit (node:child_process:520:72)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-23T19:47:10.464Z"},{"error":"RipgrepTimeoutError: Ripgrep search timed out after 20 seconds. The search may have matched files but did not complete in time. Try searching a more specific path or pattern.\n    at $ (/$bunfs/root/src/entrypoints/cli.js:531:242)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:531:456)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:529:8893)\n    at emit (node:events:98:22)\n    at #maybeClose (node:child_process:766:16)\n    at #handleOnExit (node:child_process:520:72)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-23T19:47:10.464Z"}]