Release prep 0.6.2 (#39)

* docs: note macro repo move

* chore: bump workbench to 0.6.2

* docs: update README.md

* docs: improve release notes

* fix: better icons and minor tweaks

* fix: Add reverse test

tests/unit/test_server.py

@@ -1,5 +1,6 @@
 """Tests for the main server module."""
 
+import os
 import sys
 from unittest.mock import AsyncMock, MagicMock, patch
 
@@ -226,7 +227,7 @@ class TestMain:
     """Tests for main function."""
 
     def test_main_prints_instance_id(self):
-        """Main should print instance ID on startup."""
+        """Main should print instance ID on startup when FREECAD_MCP_TESTING is set."""
         import freecad_mcp.server as server_module
         from freecad_mcp.config import TransportType
 
@@ -240,6 +241,7 @@ class TestMain:
             patch.object(server_module, "get_config", return_value=mock_config),
             patch.object(server_module.mcp, "run") as mock_run,
             patch("builtins.print") as mock_print,
+            patch.dict(os.environ, {"FREECAD_MCP_TESTING": "1"}),
         ):
             # Mock run to exit immediately
             mock_run.return_value = None
@@ -258,6 +260,37 @@ class TestMain:
             )
             assert instance_id_call.kwargs.get("file") == sys.stderr
 
+    def test_main_no_instance_id_without_testing_env(self):
+        """Main should NOT print instance ID when FREECAD_MCP_TESTING is unset."""
+        import freecad_mcp.server as server_module
+        from freecad_mcp.config import TransportType
+
+        mock_config = MagicMock()
+        mock_config.log_level = "INFO"
+        mock_config.mode = FreecadMode.EMBEDDED
+        mock_config.transport = TransportType.STDIO
+
+        # Ensure FREECAD_MCP_TESTING is not set
+        env_without_testing = {
+            k: v for k, v in os.environ.items() if k != "FREECAD_MCP_TESTING"
+        }
+
+        with (
+            patch.object(sys, "argv", DEFAULT_ARGV),
+            patch.object(server_module, "get_config", return_value=mock_config),
+            patch.object(server_module.mcp, "run") as mock_run,
+            patch("builtins.print") as mock_print,
+            patch.dict(os.environ, env_without_testing, clear=True),
+        ):
+            # Mock run to exit immediately
+            mock_run.return_value = None
+
+            server_module.main()
+
+            # Check that instance ID was NOT printed
+            print_calls = [str(call) for call in mock_print.call_args_list]
+            assert not any("FREECAD_MCP_INSTANCE_ID=" in call for call in print_calls)
+
     def test_main_http_transport(self):
         """Main should start HTTP transport when configured."""
         import freecad_mcp.server as server_module
@@ -438,6 +471,7 @@ class TestStdioProtocolCleanliness:
                 "FREECAD_MODE": "xmlrpc",
                 "FREECAD_XMLRPC_PORT": "59999",
                 "FREECAD_SOCKET_HOST": "localhost",
+                "FREECAD_MCP_TESTING": "1",  # Enable stderr instance ID output
             },
         )