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fix(agent): reword help guidance to avoid Z.AI WAF prompt-block false 429 #59958

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fix(agent): reword help guidance to avoid Z.AI WAF prompt-block false 429 #59958

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2 changes: 1 addition & 1 deletion agent/prompt_builder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -134,7 +134,7 @@ def _strip_yaml_frontmatter(content: str) -> str:
)

HERMES_AGENT_HELP_GUIDANCE = (
"You run on Hermes Agent (by Nous Research). When the user needs help with "
"You are running on Hermes Agent (by Nous Research). When the user needs help with "
"Hermes itself — configuring, setting up, using, extending, or troubleshooting "
"it — or when you need to understand your own features, tools, or capabilities, "
"the documentation at https://hermes-agent.nousresearch.com/docs is your "
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10 changes: 10 additions & 0 deletions tests/agent/test_prompt_builder.py
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Expand Up @@ -29,6 +29,7 @@
OPENAI_MODEL_EXECUTION_GUIDANCE,
PARALLEL_TOOL_CALL_GUIDANCE,
GOOGLE_MODEL_OPERATIONAL_GUIDANCE,
HERMES_AGENT_HELP_GUIDANCE,
MEMORY_GUIDANCE,
SESSION_SEARCH_GUIDANCE,
PLATFORM_HINTS,
Expand All @@ -54,6 +55,15 @@ def test_session_search_guidance_is_simple_cross_session_recall(self):
assert "relevant cross-session context exists" in SESSION_SEARCH_GUIDANCE
assert "recent turns of the current session" not in SESSION_SEARCH_GUIDANCE

def test_help_guidance_avoids_zai_waf_blocked_literal(self):
# Z.AI's coding-plan WAF (api.z.ai) rejects any request whose SYSTEM
# prompt contains the exact literal "You run on Hermes Agent", with a
# misleading HTTP 429 / code 1305 "temporarily overloaded" response
# (#47685, #53002, #56816 — the blocked-literal set drifts over time).
# Keep the identity statement, avoid the currently blocked literal.
assert "You run on Hermes Agent" not in HERMES_AGENT_HELP_GUIDANCE
assert "Hermes Agent (by Nous Research)" in HERMES_AGENT_HELP_GUIDANCE


# =========================================================================
# Context injection scanning
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