fix(triage): require evidence of the dead-end in feature requests

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

.github/scripts/triage_with_llm.py

@@ -597,6 +597,11 @@ def build_issue_prompt(*, title: str, body: str) -> str:
             that it does not today).
           - Motivation / use case with a concrete example (config, API call,
             UI flow, or scenario showing what's blocked today).
+          - END-TO-END EVIDENCE OF THE DEAD-END: a video, a screenshot, or the
+            exact command(s) actually run paired with their real output,
+            showing the point where the flow stops today. Mocked or stubbed
+            dependencies do NOT count, and an unfilled template scaffold
+            (bare headings, empty numbered lists) counts as absent.
 
         For an issue that is neither a bug report nor a feature request (a
         question, support request, or discussion), PASS as long as it has a

tests/test_litellm/test_github_triage_with_llm.py

@@ -678,6 +678,19 @@ class TestBuildPrompts:
         assert "unfilled template scaffold" in normalized
         assert "counts as absent, not as evidence" in normalized
 
+    def test_issue_feature_rubric_requires_evidence_of_the_dead_end(
+        self, triage_module
+    ):
+        # The feature form asks the requester to walk the ideal flow against a
+        # live proxy and paste output up to the step that dead-ends, so the
+        # judge has to demand that evidence, and must not accept an unedited
+        # scaffold of bare headings as if it were a real attempt.
+        prompt = triage_module.build_issue_prompt(title="t", body="x")
+        normalized = " ".join(prompt.split())
+        assert "END-TO-END EVIDENCE OF THE DEAD-END" in normalized
+        assert "showing the point where the flow stops today" in normalized
+        assert "unfilled template scaffold" in normalized
+
     def test_should_not_crash_when_pr_body_contains_curly_braces(self, triage_module):
         """User-supplied content with `{` / `}` must NOT be re-parsed by
         `str.format()`. `format` only scans the template literal for