Fix CLI test runner for CI environment

CliRunner in non-TTY environments causes Rich to render ANSI codes
character-by-character, breaking plain-text assertions like
'--file' in result.output. Set NO_COLOR=1 and COLUMNS=200 to force
plain-text output for reliable string matching in CI.

Author: Michael Aydinbas

a4d-python/tests/test_cli/test_cli.py

@@ -7,7 +7,7 @@
 
 from a4d.cli import app
 
-runner = CliRunner()
+runner = CliRunner(env={"NO_COLOR": "1", "COLUMNS": "200"})
 
 
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