fix: Disable color output in CLI tests to prevent ANSI escape code issues

Set NO_COLOR=1 environment variable in CliRunner to prevent Rich/Typer
from outputting ANSI color codes that split option names like --build
into separate strings, causing test assertions to fail on CI.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: howethomas

tests/conftest.py

@@ -15,7 +15,9 @@
 @pytest.fixture
 def cli_runner() -> CliRunner:
     """Provide a Typer CLI runner for testing commands."""
-    return CliRunner()
+    # Set NO_COLOR=1 to disable Rich/Typer color output in tests
+    # This prevents ANSI codes from splitting option names like --build
+    return CliRunner(env={"NO_COLOR": "1"})
 
 
 @pytest.fixture