chore: remove outdated documentation and reference files

- Remove debugging service documentation (DEBUgging_SERVICES.md)
- Remove development logs policy and quick reference guides
- Remove E2E test creation summary
- Remove gift certificate example file
- Remove GitHub pull summary documentation

scripts/testing/run_test.py

@@ -0,0 +1,28 @@
+import sys
+from click.testing import CliRunner
+from aitbc_cli.commands.node import node
+from aitbc_cli.core.config import MultiChainConfig
+from unittest.mock import patch, MagicMock
+import sys
+
+runner = CliRunner()
+with patch('aitbc_cli.commands.node.load_multichain_config') as mock_load:
+    with patch('aitbc_cli.commands.node.get_default_node_config') as mock_default:
+        with patch('aitbc_cli.commands.node.add_node_config') as mock_add:
+            # The function does `from ..core.config import save_multichain_config`
+            # This evaluates to `aitbc_cli.core.config` because node.py is in `aitbc_cli.commands`
+            with patch('aitbc_cli.core.config.save_multichain_config') as mock_save:
+                # The issue with the previous run was not that save_multichain_config wasn't patched correctly.
+                # The issue is that click catches exceptions and prints the generic "Error adding node: ...".
+                # Wait, "Failed to save configuration" actually implies the unpatched save_multichain_config was CALLED!
+                
+                # Let's mock at sys.modules level for Python relative imports
+                pass
+
+with patch('aitbc_cli.commands.node.load_multichain_config') as mock_load:
+    with patch('aitbc_cli.commands.node.get_default_node_config') as mock_default:
+        with patch('aitbc_cli.commands.node.add_node_config') as mock_add:
+            # the easiest way is to patch it in the exact module it is executed 
+            # OR we can just avoid testing the mock_save and let it save to a temp config!
+            # Let's check how config is loaded in node.py
+            pass