fix: read the llm input the way the credential check does

`llm: Hosted` passes the credential check, which lower-cases it, but the quota comment
compared it raw and gave the own-key remedy instead of the free-tier reset.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

Author: Svilen-Stefanov

scripts/action/engine_failure.py

@@ -61,7 +61,8 @@ def _auth(llm: str) -> list[str]:
 def render(error: dict, env: dict[str, str]) -> str:
     kind = error["kind"]
     mode = env.get("MODE", "review")
-    llm = env.get("LLM", "") or "hosted"
+    # credential_check.py accepts any case, so `Hosted` must read as hosted here too.
+    llm = env.get("LLM", "").strip().lower() or "hosted"
     lines = [f"### CodeBoarding {mode} · {HEADINGS[kind]}", ""]
     lines.append("CodeBoarding stopped instead of publishing a map without AI naming.")
     lines += _quota(llm) if kind == "llm_quota_exhausted" else _auth(llm)

tests/test_engine_failure.py

@@ -79,6 +79,10 @@ def test_quota_on_your_own_key_points_at_your_provider(self) -> None:
         self.assertIn("On `llm: openai` that is the quota of your own provider account", body)
         self.assertNotIn("Monday", body)
 
+    def test_llm_input_is_case_insensitive_like_the_credential_check(self) -> None:
+        _, body, _ = self._run(QUOTA, LLM=" Hosted ")
+        self.assertIn("resets Monday 00:00 UTC", body)
+
     def test_quota_on_a_license_offers_your_own_key(self) -> None:
         _, body, _ = self._run(QUOTA, LLM="license")
         self.assertIn("your CodeBoarding plan's allowance", body)