fix: restore ghostty-opentui dependency for ANSI terminal emulation

This fork feature (PR anomalyco#4791) requires ghostty-opentui for bash output
with full terminal emulation. Upstream removed this dependency in v1.0.184.

Author: shuv1337

packages/opencode/package.json

@@ -85,6 +85,7 @@
     "decimal.js": "10.5.0",
     "diff": "catalog:",
     "fuzzysort": "3.1.0",
+    "ghostty-opentui": "1.3.7",
     "gray-matter": "4.0.3",
     "hono": "catalog:",
     "hono-openapi": "catalog:",