A passing lower layer or adjacent entry point does not prove the user-facing behavior. Verifying a direct tools/call over stdio is not the agent deciding to call the tool with its persona; a green unit test is not the feature working; a reachable endpoint is not the flow succeeding. Use when tempted
A passing lower layer or adjacent entry point does not prove the user-facing behavior. Verifying a direct tools/call over stdio is not the agent deciding to call the tool with its persona; a green unit test is not the feature working; a reachable endpoint is not the flow succeeding. Use when tempted to generalize "the plumbing works" into "the feature works" — identify the actual user path and exe