text fitting pro feature

tests/e2e/test_free_version_e2e.py

@@ -347,7 +347,66 @@ print("SUCCESS: Image overlay properly blocked")
     output = test_result.output.decode('utf-8', errors='replace')
     
     assert test_result.exit_code == 0, f"Overlay block test failed:\n{output}"
-    assert "SUCCESS: Image overlay properly blocked" in output
+
+
+def test_free_version_blocks_text_fitting(blender_container, addon_package):
+    """
+    SPECIFICATION: Free version MUST block text fitting functionality.
+    
+    Expected behavior (VERSION_TYPE="free"):
+    - "text_fitting" NOT in ENABLED_FEATURES
+    - has_text_fitting() returns False
+    - Text fitting controls unavailable
+    - UI shows "🔒 PRO" on text fitting controls
+    
+    Current state (VERSION_TYPE="full"):
+    - Test SKIPS (text_fitting is available)
+    """
+    version_type, enabled_features = get_version_type(blender_container, addon_package)
+    
+    if version_type == "full":
+        pytest.skip("Test requires VERSION_TYPE='free' - currently 'full' (specification test)")
+    
+    script_content = """
+import bpy
+import sys
+
+# Verify text_fitting NOT enabled
+from text_texture_generator.utils.constants import ENABLED_FEATURES, has_text_fitting
+if "text_fitting" in ENABLED_FEATURES:
+    print(f"FAIL: text_fitting should NOT be in ENABLED_FEATURES for free version")
+    sys.exit(1)
+
+# Verify has_text_fitting() returns False
+if has_text_fitting():
+    print(f"FAIL: has_text_fitting() should return False for free version")
+    sys.exit(1)
+
+print("SUCCESS: Text fitting properly blocked")
+"""
+    
+    tar_stream = io.BytesIO()
+    with tarfile.open(fileobj=tar_stream, mode='w') as tar:
+        script_info = tarfile.TarInfo(name='test_text_fitting.py')
+        script_bytes = script_content.encode('utf-8')
+        script_info.size = len(script_bytes)
+        tar.addfile(script_info, io.BytesIO(script_bytes))
+    
+    tar_stream.seek(0)
+    blender_container.put_archive('/addon-test', tar_stream)
+    
+    test_cmd = [
+        "/usr/local/bin/run_blender.sh",
+        "--background",
+        "--python",
+        "/addon-test/test_text_fitting.py"
+    ]
+    
+    test_result = blender_container.exec_run(test_cmd, workdir="/addon-test")
+    output = test_result.output.decode('utf-8', errors='replace')
+    
+    assert test_result.exit_code == 0, f"Text fitting block test failed:\n{output}"
+    assert "SUCCESS: Text fitting properly blocked" in output
 
 
 def test_free_version_texture_size_limited(blender_container, addon_package):