perf(console): reduce ESC key delay from 1000ms to 25ms

Curses waits up to 1 second after ESC to distinguish it from escape
sequences (arrow keys, F-keys). Set ESCDELAY=25 before curses.initscr()
so ESC responds near-instantly while still handling escape sequences.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

console/renderers/curses_renderer.py

@@ -7,6 +7,11 @@ built-in :mod:`curses` library.
 """
 
 import curses
+import os
+
+# Reduce ESC key delay from default 1000ms to 25ms.
+# Must be set BEFORE curses.initscr() is called.
+os.environ.setdefault('ESCDELAY', '25')
 
 from console.config import COLORS_VT220
 from console.renderers.base import BaseRenderer