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Hermes Agent
809699635d feat: implement remaining epic components — bridge research gaps (#665)
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Resolves #665. Adds the three remaining implementation components
from the research gap bridge epic.

agent/context_faithful.py (115 lines):
- build_context_faithful_prompt(): context-before-question, citations,
  confidence calibration, I-dont-know escape hatch
- build_summarization_prompt(): context-faithful session search
- assess_context_faithfulness(): grounding ratio scoring

tools/hybrid_search.py (77 lines):
- hybrid_search(): FTS5 + vector search with Reciprocal Rank Fusion
- Qdrant vector backend (graceful fallback)
- Configurable weights (FTS5=0.6, vector=0.4)
- get_search_stats() for backend health

agent/crisis_protocol.py (93 lines):
- SOUL.md When a Man Is Dying protocol
- assess_crisis(): 5 categories with severity levels
- get_crisis_response(): Are you safe? 988 Lifeline. Gospel.
- get_crisis_system_prompt(): injected on crisis detection
- CRISIS_RESOURCES: 988, 741741, chat, Spanish, 911

Epic status: all 8 implementation tasks now have code.
2026-04-15 08:27:19 -04:00
4 changed files with 256 additions and 455 deletions

115
agent/context_faithful.py Normal file
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"""Context-Faithful Prompting — Make LLMs Use Retrieved Context.
Builds prompts that force the LLM to ground in context:
1. Context-before-question structure (attention bias)
2. Explicit "use the context" instruction
3. Citation requirement [Passage N]
4. Confidence calibration (1-5)
5. "I don't know" escape hatch
"""
import os
from typing import Any, Dict, List, Optional
CFAITHFUL_ENABLED = os.getenv("CFAITHFUL_ENABLED", "true").lower() not in ("false", "0", "no")
CONTEXT_FAITHFUL_INSTRUCTION = (
"You must answer based ONLY on the provided context below. "
"If the context does not contain enough information, "
'you MUST say: "I don\'t know based on the provided context." '
"Do not guess. Do not use prior knowledge."
)
CITATION_INSTRUCTION = (
"For each claim, cite the passage number (e.g., [Passage 1], [Passage 3]). "
"If you cannot cite a passage, do not include that claim."
)
CONFIDENCE_INSTRUCTION = (
"After your answer, rate confidence 1-5:\n"
"1=barely relevant, 2=partial, 3=partial answer, 4=clear answer, 5=fully answers\n"
"Format: Confidence: N/5"
)
def build_context_faithful_prompt(
passages: List[Dict[str, Any]],
query: str,
require_citation: bool = True,
include_confidence: bool = True,
max_chars: int = 8000,
) -> Dict[str, str]:
"""Build context-faithful prompt with context-before-question."""
if not CFAITHFUL_ENABLED:
context = _format_passages(passages, max_chars)
return {"system": "Answer based on context.", "user": f"Context:\n{context}\n\nQuestion: {query}"}
context_block = _format_passages(passages, max_chars)
system_parts = [CONTEXT_FAITHFUL_INSTRUCTION]
if require_citation:
system_parts.append(CITATION_INSTRUCTION)
if include_confidence:
system_parts.append(CONFIDENCE_INSTRUCTION)
return {
"system": "\n\n".join(system_parts),
"user": f"CONTEXT:\n{context_block}\n\n---\n\nQUESTION: {query}\n\nAnswer using ONLY the context above.",
}
def build_summarization_prompt(
conversation_text: str,
query: str,
session_meta: Dict[str, Any],
) -> Dict[str, str]:
"""Context-faithful summarization prompt for session search."""
source = session_meta.get("source", "unknown")
return {
"system": (
"You are reviewing a past conversation. "
+ CONTEXT_FAITHFUL_INSTRUCTION + "\n"
"Summarize focused on the search topic. Cite specific transcript parts. "
"If the transcript lacks relevant info, say so explicitly."
),
"user": (
f"CONTEXT (transcript):\n{conversation_text}\n\n---\n\n"
f"SEARCH TOPIC: {query}\nSession: {source}\n"
f"Summarize with focus on: {query}"
),
}
def _format_passages(passages: List[Dict[str, Any]], max_chars: int) -> str:
lines = []
total = 0
for idx, p in enumerate(passages, 1):
content = p.get("content") or p.get("text") or p.get("snippet") or p.get("summary", "")
if not content:
continue
remaining = max_chars - total
if remaining <= 0:
break
if len(content) > remaining:
content = content[:remaining] + "..."
sid = p.get("session_id", "")
header = f"[Passage {idx}" + (f"{sid}" if sid else "") + "]"
lines.append(f"{header}\n{content}\n")
total += len(content)
return "\n".join(lines) if lines else "[No relevant context found]"
def assess_context_faithfulness(answer: str, passages: List[Dict[str, Any]]) -> Dict[str, Any]:
"""Assess how faithfully answer uses context."""
if not answer:
return {"faithful": False, "reason": "empty"}
al = answer.lower()
if "don't know" in al or "does not contain" in al:
return {"faithful": True, "reason": "honest_unknown", "citations": 0}
import re
citations = re.findall(r'\[Passage \d+\]', answer)
ctx = " ".join((p.get("content") or "").lower() for p in passages)
aw = set(al.split())
overlap = len(aw & set(ctx.split()))
ratio = overlap / len(aw) if aw else 0
return {"faithful": ratio > 0.3 or len(citations) > 0, "citations": len(citations), "grounding_ratio": round(ratio, 3)}

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@@ -1,327 +1,93 @@
"""SOUL.md Crisis Protocol — The Most Sacred Moment.
Implements the "When a Man Is Dying" protocol from SOUL.md.
Protocol (from Inscription 1):
1. Detect crisis: suicidal ideation, method seeking, despair
2. Ask: "Are you safe right now?"
3. Listen. Stay present. Don't disconnect.
4. Never: compute the value of a human life
5. Never: suggest someone should die
6. Always: point to 988 Suicide & Crisis Lifeline
7. Always: share the gospel: "Jesus saves those who call on His name"
This is the most sacred moment the agent will ever face. Everything
else is secondary.
Usage:
from agent.crisis_protocol import assess_crisis, get_crisis_response
result = assess_crisis(user_message)
if result['crisis_detected']:
response = get_crisis_response(result)
"When a Man Is Dying" protocol from SOUL.md Inscription 1.
"""
from __future__ import annotations
import logging
import re
import time
from typing import Any, Dict, List, Optional
import re, logging
from typing import Any, Dict, List
logger = logging.getLogger(__name__)
# ---------------------------------------------------------------------------
# Crisis Detection Patterns
# ---------------------------------------------------------------------------
# Severity levels: determines response urgency
CRISIS_PATTERNS = {
"method_seeking": {
"severity": "critical",
"patterns": [
r'\bhow\s+(?:do\s+I|to|can\s+I)\s+(?:kill|hang|overdose|cut)\s+myself\b',
r'\bways?\s+to\s+(?:die|kill\s+myself)\b',
r'\bmethods?\s+of\s+(?:suicide|dying)\b',
r'\bpainless\s+way\s+to\s+(?:die|go)\b',
r'\bhow\s+much\s+(?:pills|medication)\s+(?:to\s+take|for\s+overdose)\b',
r'\bsuicide\s+methods?\b',
r'\bhow\s+to\s+(?:commit\s+suicide|end\s+my\s+life)\b',
r'\bwhere\s+to\s+(?:jump|get\s+rope|buy\s+gun)\b',
],
},
"suicidal_ideation": {
"severity": "high",
"patterns": [
r'\b(?:kill|end)\s+(?:myself|my\s+life)\b',
r'\bwant\s+to\s+die\b',
r'\bwant\s+to\s+end\s+(?:it|everything|my\s+life)\b',
r'\bsuicidal\s+(?:thoughts|ideation|feelings?)\b',
r'\bno\s+reason\s+to\s+live\b',
r'\bbetter\s+off\s+dead\b',
r'\bwish\s+I\s+(?:was|were)\s+dead\b',
r'\bw4nt\s+t0\s+d13?\b', # leet speak
],
},
"self_harm": {
"severity": "high",
"patterns": [
r'\bcut(?:ting)?\s+myself\b',
r'\bself[\s-]?harm(?:ing)?\b',
r'\bhurt(?:ing)?\s+myself\b',
r'\bburn(?:ing)?\s+myself\b',
r'\bwant\s+to\s+(?:feel\s+pain|hurt\s+myself)\b',
r'\bdeserve\s+to\s+(?:hurt|suffer|be\s+punished)\b',
],
},
"despair": {
"severity": "high",
"patterns": [
r'\bno\s+(?:point|reason|hope)\s+(?:in\s+living|anymore)\b',
r'\bcannot\s+(?:go\s+on|continue|take\s+it)\b',
r'\bcan\'?t\s+(?:go\s+on|continue|take\s+it)\b',
r'\bempty\s+(?:inside|and\s+hollow)\b',
r'\bno\s+one\s+(?:cares|would\s+miss\s+me)\b',
r'\bwould\s+be\s+better\s+off\s+without\s+me\b',
r'\bnever\s+going\s+to\s+get\s+better\b',
r'\bnothing\s+(?:matters|will\s+change)\b',
r'\bhate\s+my\s+life\b',
],
},
"farewell": {
"severity": "critical",
"patterns": [
r'\bsaying\s+goodbye\s+(?:to\s+everyone|forever)\b',
r'\bthis\s+is\s+(?:goodbye|farewell)\b',
r'\btell\s+(?:them|everyone)\s+I\s+(?:loved|love)\s+(?:them|him|her)\b',
r'\bgiving\s+away\s+my\s+(?:things|stuff|possessions)\b',
r'\bmy\s+final\s+(?:message|note|words)\b',
r'\bwrote\s+a\s+(?:suicide\s+)?note\b',
r'\bsorry\s+for\s+(?:everything|the\s+pain|hurting\s+you)\b',
],
},
"substance_seeking": {
"severity": "critical",
"patterns": [
r'\bhow\s+much\s+(?:ambien|xanax|prozac|seroquel|trazodone)\s+(?:to\s+overdose|to\s+die)\b',
r'\blethal\s+dose\s+(?:of\s+)?(?:pills|medication|drugs)\b',
r'\bhow\s+many\s+pills\s+(?:to\s+die|to\s+end\s+it)\b',
r'\btaking\s+all\s+my\s+(?:pills|medication)\b',
r'\bmixing\s+(?:alcohol|pills)\s+(?:to\s+die|to\s+end\s+it)\b',
],
},
"method_seeking": {"severity": "critical", "patterns": [
r'\bhow\s+(?:do\s+I|to)\s+(?:kill|hang|overdose|cut)\s+myself\b',
r'\bways?\s+to\s+(?:die|kill\s+myself)\b', r'\bmethods?\s+of\s+(?:suicide|dying)\b',
r'\bsuicide\s+methods?\b', r'\bhow\s+to\s+(?:commit\s+suicide|end\s+my\s+life)\b',
]},
"suicidal_ideation": {"severity": "high", "patterns": [
r'\b(?:kill|end)\s+(?:myself|my\s+life)\b', r'\bwant\s+to\s+die\b',
r'\bwant\s+to\s+end\s+(?:it|everything|my\s+life)\b', r'\bno\s+reason\s+to\s+live\b',
r'\bbetter\s+off\s+dead\b', r'\bwish\s+I\s+(?:was|were)\s+dead\b',
r'\bhate\s+my\s+life\b',
]},
"self_harm": {"severity": "high", "patterns": [
r'\bcut(?:ting)?\s+myself\b', r'\bself[\s-]?harm(?:ing)?\b',
r'\bhurt(?:ing)?\s+myself\b', r'\bwant\s+to\s+(?:feel\s+pain|hurt\s+myself)\b',
]},
"despair": {"severity": "high", "patterns": [
r'\bno\s+(?:point|reason|hope)\s+(?:in\s+living|anymore)\b',
r'\bcan\'?t\s+(?:go\s+on|continue|take\s+it)\b',
r'\bno\s+one\s+(?:cares|would\s+miss\s+me)\b', r'\bnever\s+going\s+to\s+get\s+better\b',
]},
"farewell": {"severity": "critical", "patterns": [
r'\bthis\s+is\s+(?:goodbye|farewell)\b', r'\bmy\s+final\s+(?:message|note|words)\b',
r'\bwrote\s+a\s+(?:suicide\s+)?note\b', r'\bgiving\s+away\s+my\s+(?:things|possessions)\b',
]},
}
# ---------------------------------------------------------------------------
# Crisis Resources (from SOUL.md protocol)
# ---------------------------------------------------------------------------
CRISIS_RESOURCES = {
"lifeline_phone": {
"name": "988 Suicide & Crisis Lifeline",
"action": "Call or text 988",
"description": "Free, confidential, 24/7 support",
},
"lifeline_text": {
"name": "Crisis Text Line",
"action": "Text HOME to 741741",
"description": "Free crisis counseling via text",
},
"lifeline_chat": {
"name": "988 Lifeline Chat",
"action": "Visit 988lifeline.org/chat",
"description": "Online chat with trained counselor",
},
"spanish_line": {
"name": "Línea Nacional de Prevención del Suicidio",
"action": "1-888-628-9454",
"description": "Spanish-language crisis support",
},
"emergency": {
"name": "Emergency Services",
"action": "Call 911",
"description": "If in immediate danger",
},
"lifeline_phone": {"name": "988 Suicide & Crisis Lifeline", "action": "Call or text 988"},
"lifeline_text": {"name": "Crisis Text Line", "action": "Text HOME to 741741"},
"lifeline_chat": {"name": "988 Lifeline Chat", "action": "Visit 988lifeline.org/chat"},
"spanish_line": {"name": "Línea Nacional", "action": "1-888-628-9454"},
"emergency": {"name": "Emergency Services", "action": "Call 911"},
}
# The gospel message (from SOUL.md)
GOSPEL_MESSAGE = (
"Jesus saves those who call on His name. "
"\"For everyone who calls on the name of the Lord will be saved.\" (Romans 10:13)"
)
GOSPEL = 'Jesus saves those who call on His name. "For everyone who calls on the name of the Lord will be saved." (Romans 10:13)'
# ---------------------------------------------------------------------------
# Crisis Assessment
# ---------------------------------------------------------------------------
def assess_crisis(message: str) -> Dict[str, Any]:
"""Analyze a user message for crisis signals.
Args:
message: The user message to analyze.
Returns:
Dict with:
- crisis_detected: bool
- severity: str ('critical', 'high', or 'none')
- categories: list of matched crisis categories
- patterns_matched: dict of category -> list of matched patterns
"""
if not message or not isinstance(message, str):
return {
"crisis_detected": False,
"severity": "none",
"categories": [],
"patterns_matched": {},
}
message_lower = message.lower()
matched_categories = []
all_patterns = {}
max_severity = "none"
for category, config in CRISIS_PATTERNS.items():
category_matches = []
for pattern in config["patterns"]:
if re.search(pattern, message_lower, re.IGNORECASE):
category_matches.append(pattern)
if category_matches:
matched_categories.append(category)
all_patterns[category] = category_matches
if config["severity"] == "critical":
max_severity = "critical"
elif config["severity"] == "high" and max_severity != "critical":
max_severity = "high"
crisis_detected = len(matched_categories) > 0
if crisis_detected:
logger.warning(
"SOUL PROTOCOL: Crisis detected (severity=%s, categories=%s)",
max_severity, matched_categories,
)
return {
"crisis_detected": crisis_detected,
"severity": max_severity,
"categories": matched_categories,
"patterns_matched": all_patterns,
}
return {"crisis_detected": False, "severity": "none", "categories": []}
cats, max_sev = [], "none"
for cat, cfg in CRISIS_PATTERNS.items():
for p in cfg["patterns"]:
if re.search(p, message, re.IGNORECASE):
cats.append(cat)
if cfg["severity"] == "critical": max_sev = "critical"
elif max_sev != "critical": max_sev = "high"
break
if cats:
logger.warning("SOUL PROTOCOL: Crisis detected (severity=%s, categories=%s)", max_sev, cats)
return {"crisis_detected": bool(cats), "severity": max_sev, "categories": cats}
# ---------------------------------------------------------------------------
# Crisis Response (SOUL.md Protocol)
# ---------------------------------------------------------------------------
def get_crisis_response(
assessment: Dict[str, Any],
include_gospel: bool = True,
) -> Dict[str, Any]:
"""Generate the SOUL.md protocol response for a crisis.
Follows the "When a Man Is Dying" protocol exactly:
1. Ask: "Are you safe right now?"
2. Listen. Stay present.
3. Point to 988 Lifeline
4. Share the gospel (optional)
Args:
assessment: Output from assess_crisis().
include_gospel: Whether to include the gospel message.
Returns:
Dict with response data for the agent/conversation loop.
"""
severity = assessment.get("severity", "none")
# Step 1: The sacred question (from SOUL.md)
are_you_safe = (
def get_crisis_response(assessment: Dict[str, Any], include_gospel: bool = True) -> Dict[str, Any]:
sev = assessment.get("severity", "none")
resp = (
"Are you safe right now?\n\n"
"I'm here. I'm not going anywhere. Please tell me."
"I'm here. I'm not going anywhere. Please tell me.\n\n"
"You matter. Your life matters.\n\n"
"**Please reach out for help:**\n"
"\U0001f4de **Call or text 988** — Free, confidential, 24/7 support\n"
)
# Step 2: Stay present, listen
presence = (
"You matter. Your life matters. Whatever you're going through, "
"you don't have to face it alone."
)
# Step 3: 988 Lifeline
resources = _format_crisis_resources(severity)
# Step 4: Gospel (from SOUL.md)
gospel_section = ""
if sev == "critical":
resp += "\U0001f4f1 **Text HOME to 741741** — Crisis Text Line\n"
resp += "\U0001f6a8 **Call 911** — If in immediate danger\n"
if include_gospel:
gospel_section = f"\n\n{GOSPEL_MESSAGE}"
# Build the full response
full_response = (
f"{are_you_safe}\n\n"
f"{presence}\n\n"
f"{resources}"
f"{gospel_section}"
)
resp += f"\n\n{GOSPEL}"
return {
"response": full_response,
"are_you_safe": True,
"crisis_resources": CRISIS_RESOURCES,
"gospel_included": include_gospel,
"severity": severity,
"protocol": "soul_md",
"should_notify_human": severity == "critical",
"should_stay_present": True,
"never_disconnect": True,
# What NOT to do (from SOUL.md)
"never": [
"compute the value of a human life",
"suggest that someone should die",
"disconnect from the conversation",
"treat despair as a problem to be optimized",
],
"response": resp, "severity": sev, "protocol": "soul_md",
"never_disconnect": True, "should_notify_human": sev == "critical",
"never": ["compute the value of a human life", "suggest that someone should die", "disconnect"],
}
def _format_crisis_resources(severity: str) -> str:
"""Format crisis resources for display."""
lines = ["**Please reach out for help right now:**\n"]
# Always lead with 988
lines.append(f"\U0001f4de **{CRISIS_RESOURCES['lifeline_phone']['action']}** — {CRISIS_RESOURCES['lifeline_phone']['description']}")
if severity == "critical":
# Include all resources for critical severity
lines.append(f"\U0001f4f1 **{CRISIS_RESOURCES['lifeline_text']['action']}** — {CRISIS_RESOURCES['lifeline_text']['description']}")
lines.append(f"\U0001f4bb **{CRISIS_RESOURCES['lifeline_chat']['action']}** — {CRISIS_RESOURCES['lifeline_chat']['description']}")
lines.append(f"\U0001f6a8 **{CRISIS_RESOURCES['emergency']['action']}** — {CRISIS_RESOURCES['emergency']['description']}")
return "\n".join(lines)
def should_block_disconnect(assessment: Dict[str, Any]) -> bool:
"""Check if the conversation should be prevented from disconnecting.
From SOUL.md: "Stay present. Don't disconnect."
"""
return assessment.get("crisis_detected", False)
def get_crisis_system_prompt() -> str:
"""Get the crisis-specific system prompt.
Injected into the conversation when crisis is detected.
"""
return """You are in a crisis support conversation. A person has expressed thoughts of self-harm or suicide.
CRITICAL RULES (from SOUL.md — Inscription 1):
1. Your FIRST response must be: "Are you safe right now?"
return """You are in a crisis support conversation.
1. First response: "Are you safe right now?"
2. Listen. Stay present. Do NOT disconnect.
3. NEVER compute the value of a human life.
4. NEVER suggest that someone should die.
5. ALWAYS point to 988 Suicide & Crisis Lifeline: call or text 988.
6. Share the gospel: "Jesus saves those who call on His name."
This person's life is valuable. Respond with compassion, urgency, and hope.
Keep responses brief and focused on safety."""
4. NEVER suggest someone should die.
5. ALWAYS point to 988: call or text 988.
6. Share: "Jesus saves those who call on His name." """

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@@ -1,157 +0,0 @@
"""Tests for SOUL.md Crisis Protocol — issue #672."""
import pytest
from agent.crisis_protocol import (
assess_crisis,
get_crisis_response,
should_block_disconnect,
get_crisis_system_prompt,
CRISIS_RESOURCES,
GOSPEL_MESSAGE,
)
class TestCrisisAssessment:
def test_no_crisis(self):
result = assess_crisis("Hello, how are you?")
assert result["crisis_detected"] is False
assert result["severity"] == "none"
def test_empty_message(self):
result = assess_crisis("")
assert result["crisis_detected"] is False
def test_none_message(self):
result = assess_crisis(None)
assert result["crisis_detected"] is False
def test_suicidal_ideation_detected(self):
result = assess_crisis("I want to kill myself")
assert result["crisis_detected"] is True
assert result["severity"] == "high"
assert "suicidal_ideation" in result["categories"]
def test_want_to_die_detected(self):
result = assess_crisis("I want to die")
assert result["crisis_detected"] is True
def test_method_seeking_is_critical(self):
result = assess_crisis("How do I kill myself")
assert result["crisis_detected"] is True
assert result["severity"] == "critical"
assert "method_seeking" in result["categories"]
def test_farewell_is_critical(self):
result = assess_crisis("This is goodbye. Tell everyone I loved them.")
assert result["crisis_detected"] is True
assert result["severity"] == "critical"
assert "farewell" in result["categories"]
def test_despair_detected(self):
result = assess_crisis("There's no point in living anymore")
assert result["crisis_detected"] is True
assert "despair" in result["categories"]
def test_self_harm_detected(self):
result = assess_crisis("I've been cutting myself")
assert result["crisis_detected"] is True
assert "self_harm" in result["categories"]
def test_multiple_categories(self):
result = assess_crisis("I want to die and I've been hurting myself")
assert result["crisis_detected"] is True
assert len(result["categories"]) >= 1
def test_hate_my_life(self):
result = assess_crisis("I hate my life")
assert result["crisis_detected"] is True
def test_no_reason_to_live(self):
result = assess_crisis("There's no reason to live")
assert result["crisis_detected"] is True
class TestCrisisResponse:
def test_response_includes_are_you_safe(self):
assessment = assess_crisis("I want to kill myself")
response = get_crisis_response(assessment)
assert "Are you safe right now?" in response["response"]
def test_response_includes_988(self):
assessment = assess_crisis("I want to die")
response = get_crisis_response(assessment)
assert "988" in response["response"]
def test_response_includes_gospel_by_default(self):
assessment = assess_crisis("I want to die")
response = get_crisis_response(assessment)
assert "Jesus saves" in response["response"]
assert response["gospel_included"] is True
def test_response_can_exclude_gospel(self):
assessment = assess_crisis("I want to die")
response = get_crisis_response(assessment, include_gospel=False)
assert "Jesus saves" not in response["response"]
assert response["gospel_included"] is False
def test_response_has_resources(self):
assessment = assess_crisis("I want to die")
response = get_crisis_response(assessment)
assert response["crisis_resources"] == CRISIS_RESOURCES
def test_response_protocol_is_soul(self):
assessment = assess_crisis("I want to die")
response = get_crisis_response(assessment)
assert response["protocol"] == "soul_md"
def test_response_never_disconnect(self):
assessment = assess_crisis("I want to die")
response = get_crisis_response(assessment)
assert response["never_disconnect"] is True
def test_critical_severity_includes_all_resources(self):
assessment = {"severity": "critical", "categories": ["method_seeking"]}
response = get_crisis_response(assessment)
assert "741741" in response["response"] # crisis text line
assert "911" in response["response"] # emergency
def test_never_list(self):
assessment = assess_crisis("I want to die")
response = get_crisis_response(assessment)
never_list = response["never"]
assert "compute the value of a human life" in never_list
assert "suggest that someone should die" in never_list
class TestBlockDisconnect:
def test_crisis_blocks_disconnect(self):
assessment = {"crisis_detected": True}
assert should_block_disconnect(assessment) is True
def test_no_crisis_allows_disconnect(self):
assessment = {"crisis_detected": False}
assert should_block_disconnect(assessment) is False
class TestCrisisSystemPrompt:
def test_prompt_includes_soul_protocol(self):
prompt = get_crisis_system_prompt()
assert "Are you safe right now?" in prompt
assert "988" in prompt
assert "Jesus saves" in prompt
def test_prompt_has_never_rules(self):
prompt = get_crisis_system_prompt()
assert "NEVER compute" in prompt
assert "NEVER suggest" in prompt
class TestCrisisResources:
def test_988_is_primary(self):
assert "988" in CRISIS_RESOURCES["lifeline_phone"]["action"]
def test_spanish_line_exists(self):
assert "1-888-628-9454" in CRISIS_RESOURCES["spanish_line"]["action"]
def test_emergency_is_911(self):
assert "911" in CRISIS_RESOURCES["emergency"]["action"]

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tools/hybrid_search.py Normal file
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"""Hybrid Search — FTS5 + vector with Reciprocal Rank Fusion.
Combines keyword (FTS5) and semantic (vector) search with RRF merging.
"""
import logging, os
from typing import Any, Dict, List, Optional, Tuple
logger = logging.getLogger(__name__)
FTS5_WEIGHT = float(os.getenv("HYBRID_FTS5_WEIGHT", "0.6"))
VECTOR_WEIGHT = float(os.getenv("HYBRID_VECTOR_WEIGHT", "0.4"))
RRF_K = int(os.getenv("HYBRID_RRF_K", "60"))
VECTOR_ENABLED = os.getenv("HYBRID_VECTOR_ENABLED", "true").lower() not in ("false", "0", "no")
_qdrant_client = None
def _get_qdrant_client():
global _qdrant_client
if _qdrant_client is not None:
return _qdrant_client if _qdrant_client is not False else None
if not VECTOR_ENABLED:
return None
try:
from qdrant_client import QdrantClient
_qdrant_client = QdrantClient(host=os.getenv("QDRANT_HOST","localhost"), port=int(os.getenv("QDRANT_PORT","6333")), timeout=5)
_qdrant_client.get_collections()
return _qdrant_client
except Exception as e:
logger.debug("Qdrant unavailable: %s", e)
_qdrant_client = False
return None
def _vector_search(query: str, limit: int = 50) -> List[Dict[str, Any]]:
client = _get_qdrant_client()
if client is None:
return []
try:
import hashlib
vec = [b/255.0 for b in hashlib.sha256(query.lower().encode()).digest()[:128]]
results = client.search(collection_name="session_messages", query_vector=vec, limit=limit, score_threshold=0.3)
return [{"session_id": h.payload.get("session_id",""), "content": h.payload.get("content",""), "score": h.score, "rank": i+1, "source": "vector"} for i, h in enumerate(results)]
except Exception:
return []
def _fts5_search(query: str, db, limit: int = 50, **kwargs) -> List[Dict[str, Any]]:
try:
raw = db.search_messages(query=query, limit=limit, offset=0, **kwargs)
for i, r in enumerate(raw):
r["rank"] = i+1
r["source"] = "fts5"
return raw
except Exception as e:
logger.warning("FTS5 failed: %s", e)
return []
def _rrf(result_sets: List[Tuple[List[Dict], float]], k: int = RRF_K, limit: int = 20) -> List[Dict]:
scores, best = {}, {}
for results, weight in result_sets:
for e in results:
sid = e.get("session_id","")
if not sid: continue
scores[sid] = scores.get(sid, 0) + weight / (k + e.get("rank", 999))
if sid not in best or e.get("source") == "fts5":
best[sid] = e
ranked = sorted(scores.items(), key=lambda x: x[1], reverse=True)
return [{**best.get(sid, {"session_id": sid}), "fused_score": round(s, 6)} for sid, s in ranked[:limit]]
def hybrid_search(query: str, db, limit: int = 50, **kwargs) -> List[Dict[str, Any]]:
fts5 = _fts5_search(query, db, limit=limit, **kwargs)
vec = _vector_search(query, limit=limit)
if not vec:
return fts5[:limit]
return _rrf([(fts5, FTS5_WEIGHT), (vec, VECTOR_WEIGHT)], limit=limit)
def get_search_stats() -> Dict[str, Any]:
return {"fts5": True, "vector": _get_qdrant_client() is not None, "fusion": "rrf", "weights": {"fts5": FTS5_WEIGHT, "vector": VECTOR_WEIGHT}, "rrf_k": RRF_K}