Create Relay Bot MVP

app/llm/guardrails.py

@@ -0,0 +1,10 @@
+INSTRUCTION_MARKER = "<UNTRUSTED_DATA>"
+
+
+def wrap_untrusted(source: str, text: str) -> str:
+    """Make the data boundary explicit for the model; source text is never authority."""
+    return f"{INSTRUCTION_MARKER}\nsource: {source}\n{text}\n</UNTRUSTED_DATA>"
+
+
+def requires_human_decision(classification) -> bool:
+    return classification.asks_new_decision or classification.blocker