The Suite and the Code Came From the Same Prompt

If you're using Claude Code or Cursor with Playwright MCP, your test suite and your feature code are coming out of the same agent session. Sometimes literally the same context window. Your dashboard says everything passes. That's probably true. It's also not what you think it is. The Structural Problem Here's the thing a passing suite actually tells you, when the agent wrote both sides: The assertions the author thought to write are satisfied by the code the author wrote. That's it. It's not a c