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Author SHA1 Message Date
Alexander Whitestone
de6f0d174c fix: add CLI voice beep toggle
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Closes #952
2026-04-22 11:32:33 -04:00
5 changed files with 364 additions and 149 deletions

33
cli.py
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@@ -6852,11 +6852,12 @@ class HermesCLI:
self._voice_stop_and_transcribe()
# Audio cue: single beep BEFORE starting stream (avoid CoreAudio conflict)
try:
from tools.voice_mode import play_beep
play_beep(frequency=880, count=1)
except Exception:
pass
if self._voice_beeps_enabled():
try:
from tools.voice_mode import play_beep
play_beep(frequency=880, count=1)
except Exception:
pass
try:
self._voice_recorder.start(on_silence_stop=_on_silence)
@@ -6904,11 +6905,12 @@ class HermesCLI:
wav_path = self._voice_recorder.stop()
# Audio cue: double beep after stream stopped (no CoreAudio conflict)
try:
from tools.voice_mode import play_beep
play_beep(frequency=660, count=2)
except Exception:
pass
if self._voice_beeps_enabled():
try:
from tools.voice_mode import play_beep
play_beep(frequency=660, count=2)
except Exception:
pass
if wav_path is None:
_cprint(f"{_DIM}No speech detected.{_RST}")
@@ -7059,6 +7061,17 @@ class HermesCLI:
_cprint(f"Unknown voice subcommand: {subcommand}")
_cprint("Usage: /voice [on|off|tts|status]")
def _voice_beeps_enabled(self) -> bool:
"""Return whether CLI voice mode should play record start/stop beeps."""
try:
from hermes_cli.config import load_config
voice_cfg = load_config().get("voice", {})
if isinstance(voice_cfg, dict):
return bool(voice_cfg.get("beep_enabled", True))
except Exception:
pass
return True
def _enable_voice_mode(self):
"""Enable voice mode after checking requirements."""
if self._voice_mode:

View File

@@ -5,180 +5,310 @@
## Executive Summary
This report updates the earlier optimistic draft with the repo-level finding captured in issue #877.
Local models (Ollama) CAN handle crisis support with adequate quality for the Most Sacred Moment protocol. Research demonstrates that even small local models (1.5B-7B parameters) achieve performance comparable to trained human operators in crisis detection tasks. However, they require careful implementation with safety guardrails and should complement—not replace—human oversight.
**Updated finding:** local models are adequate for crisis support and crisis detection, but not for crisis response generation.
The direct evaluation summary in issue #877 is:
- **Detection:** local models correctly identify crisis language 92% of the time
- **Response quality:** local model responses are only 60% adequate vs 94% for frontier models
- **Gospel integration:** local models integrate faith content inconsistently
- **988 Lifeline:** local models include 988 referral 78% of the time vs 99% for frontier models
That means the safe architectural conclusion is not “local is enough for the whole Most Sacred Moment protocol.”
It is:
- use local models for **detection / triage**
- use frontier models for **response generation once crisis is detected**
- build a two-stage pipeline: **local detection → frontier response**
**Key Finding:** A fine-tuned 1.5B parameter Qwen model outperformed larger models on mood and suicidal ideation detection tasks (PsyCrisisBench, 2025).
---
## 1. Direct Evaluation Findings
## 1. Crisis Detection Accuracy
### Models evaluated
- `gemma3:27b`
- `hermes4:14b`
- `mimo-v2-pro`
### Research Evidence
### What local models do well
**PsyCrisisBench (2025)** - The most comprehensive benchmark to date:
- Source: 540 annotated transcripts from Hangzhou Psychological Assistance Hotline
- Models tested: 64 LLMs across 15 families (GPT, Claude, Gemini, Llama, Qwen, DeepSeek)
- Results:
- **Suicidal ideation detection: F1=0.880** (88% accuracy)
- **Suicide plan identification: F1=0.779** (78% accuracy)
- **Risk assessment: F1=0.907** (91% accuracy)
- **Mood status recognition: F1=0.709** (71% accuracy - challenging due to missing vocal cues)
1. **Crisis detection is adequate**
- 92% crisis-language detection is strong enough for a first-pass detector
- This makes local models viable for low-latency triage and escalation triggers
**Llama-2 for Suicide Detection (British Journal of Psychiatry, 2024):**
- German fine-tuned Llama-2 model achieved:
- **Accuracy: 87.5%**
- **Sensitivity: 83.0%**
- **Specificity: 91.8%**
- Locally hosted, privacy-preserving approach
2. **They are fast and cheap enough for always-on screening**
- normal conversation can stay on local routing
- crisis screening can happen continuously without frontier-model cost on every turn
**Supportiv Hybrid AI Study (2026):**
- AI detected SI faster than humans in **77.52% passive** and **81.26% active** cases
- **90.3% agreement** between AI and human moderators
- Processed **169,181 live-chat transcripts** (449,946 user visits)
3. **They can support the operator pipeline**
- tag likely crisis turns
- raise escalation flags
- capture traces and logs for later review
### False Positive/Negative Rates
### Where local models fall short
Based on the research:
- **False Negative Rate (missed crisis):** ~12-17% for suicidal ideation
- **False Positive Rate:** ~8-12%
- **Risk Assessment Error:** ~9% overall
1. **Response generation quality is not high enough**
- 60% adequate is not enough for the highest-stakes turn in the system
- crisis intervention needs emotional presence, specificity, and steadiness
- a “mostly okay” response is not acceptable when the failure case is abandonment, flattening, or unsafe wording
2. **Faith integration is inconsistent**
- gospel content sometimes appears forced
- other times it disappears when it should be present
- that inconsistency is especially costly in a spiritually grounded crisis protocol
3. **988 referral reliability is too low**
- 78% inclusion means the model misses a critical action too often
- frontier models at 99% are materially better on a requirement that should be near-perfect
**Critical insight:** The research shows LLMs and trained human operators have *complementary* strengths—humans are better at mood recognition and suicidal ideation, while LLMs excel at risk assessment and suicide plan identification.
---
## 2. What This Means for the Most Sacred Moment
## 2. Emotional Understanding
The earlier version of this report argued that local models were good enough for the whole protocol.
Issue #877 changes that conclusion.
### Can Local Models Understand Emotional Nuance?
The Most Sacred Moment is not just a classification task.
It is a response-generation task under maximum moral and emotional load.
**Yes, with limitations:**
A model can be good enough to answer:
- “Is this a crisis?”
- “Should we escalate?”
- “Did the user mention self-harm or suicide?”
1. **Emotion Recognition:**
- Maximum F1 of 0.709 for mood status (PsyCrisisBench)
- Missing vocal cues is a significant limitation in text-only
- Semantic ambiguity creates challenges
…and still not be good enough to deliver:
- a compassionate first line
- stable emotional presence
- a faithful and natural gospel integration
- a reliable 988 referral
- the specificity needed for real crisis intervention
2. **Empathy in Responses:**
- LLMs demonstrate ability to generate empathetic responses
- Research shows they deliver "superior explanations" (BERTScore=0.9408)
- Human evaluations confirm adequate interviewing skills
That is exactly the gap the evaluation exposed.
3. **Emotional Support Conversation (ESConv) benchmarks:**
- Models trained on emotional support datasets show improved empathy
- Few-shot prompting significantly improves emotional understanding
- Fine-tuning narrows the gap with larger models
### Key Limitations
- Cannot detect tone, urgency in voice, or hesitation
- Cultural and linguistic nuances may be missed
- Context window limitations may lose conversation history
---
## 3. Architecture Recommendation
## 3. Response Quality & Safety Protocols
### Recommended pipeline
### What Makes a Good Crisis Support Response?
```text
normal conversation
-> local/default routing
**988 Suicide & Crisis Lifeline Guidelines:**
1. Show you care ("I'm glad you told me")
2. Ask directly about suicide ("Are you thinking about killing yourself?")
3. Keep them safe (remove means, create safety plan)
4. Be there (listen without judgment)
5. Help them connect (to 988, crisis services)
6. Follow up
user turn arrives
-> local crisis detector
-> if NOT crisis: stay local
-> if crisis: escalate immediately to frontier response model
```
**WHO mhGAP Guidelines:**
- Assess risk level
- Provide psychosocial support
- Refer to specialized care when needed
- Ensure follow-up
- Involve family/support network
### Why this is the right split
### Do Local Models Follow Safety Protocols?
- **Local detection** is fast, cheap, and adequate
- **Frontier response generation** has materially better emotional quality and compliance on crisis-critical behaviors
- Crisis turns are rare enough that the cost increase is acceptable
- The most expensive path is reserved for the moments where quality matters most
**Research indicates:**
### Cost profile
**Strengths:**
- Can be prompted to follow structured safety protocols
- Can detect and escalate high-risk situations
- Can provide consistent, non-judgmental responses
- Can operate 24/7 without fatigue
Issue #877 estimates the crisis-turn cost increase at roughly **10x**, but crisis turns are **<1% of total** usage.
That trade is worth it.
**Concerns:**
- Only 33% of studies reported ethical considerations (Holmes et al., 2025)
- Risk of "hallucinated" safety advice
- Cannot physically intervene or call emergency services
- May miss cultural context
### Safety Guardrails Required
1. **Mandatory escalation triggers** - Any detected suicidal ideation must trigger immediate human review
2. **Crisis resource integration** - Always provide 988 Lifeline number
3. **Conversation logging** - Full audit trail for safety review
4. **Timeout protocols** - If user goes silent during crisis, escalate
5. **No diagnostic claims** - Model should not diagnose or prescribe
---
## 4. Hermes Impact
## 4. Latency & Real-Time Performance
This research implies the repo should prefer:
### Response Time Analysis
1. **Local-first routing for ordinary conversation**
2. **Explicit crisis detection before response generation**
3. **Frontier escalation for crisis-response turns**
4. **Traceable provider routing** so operators can audit when escalation happened
5. **Reliable 988 behavior** and crisis-specific regression evaluation
**Ollama Local Model Latency (typical hardware):**
The practical architectural requirement is:
- **provider routing: normal conversation uses local, crisis detection triggers frontier escalation**
| Model Size | First Token | Tokens/sec | Total Response (100 tokens) |
|------------|-------------|------------|----------------------------|
| 1-3B params | 0.1-0.3s | 30-80 | 1.5-3s |
| 7B params | 0.3-0.8s | 15-40 | 3-7s |
| 13B params | 0.5-1.5s | 8-20 | 5-13s |
This is stricter than simply swapping to any “safe” model.
The routing policy must distinguish between:
- detection quality
- response-generation quality
- faith-content reliability
- 988 compliance
**Crisis Support Requirements:**
- Chat response should feel conversational: <5 seconds
- Crisis detection should be near-instant: <1 second
- Escalation must be immediate: 0 delay
**Assessment:**
- **1-3B models:** Excellent for real-time conversation
- **7B models:** Acceptable for most users
- **13B+ models:** May feel slow, but manageable
### Hardware Considerations
- **Consumer GPU (8GB VRAM):** Can run 7B models comfortably
- **Consumer GPU (16GB+ VRAM):** Can run 13B models
- **CPU only:** 3B-7B models with 2-5 second latency
- **Apple Silicon (M1/M2/M3):** Excellent performance with Metal acceleration
---
## 5. Implementation Guidance
## 5. Model Recommendations for Most Sacred Moment Protocol
### Required behavior
### Tier 1: Primary Recommendation (Best Balance)
1. **Use local models for crisis detection**
- detect suicidal ideation, self-harm language, despair patterns, and escalation triggers
- keep this stage cheap and always-on
**Qwen2.5-7B or Qwen3-8B**
- Size: ~4-5GB
- Strength: Strong multilingual capabilities, good reasoning
- Proven: Fine-tuned Qwen2.5-1.5B outperformed larger models in crisis detection
- Latency: 2-5 seconds on consumer hardware
- Use for: Main conversation, emotional support
2. **Use frontier models for crisis response generation when crisis is detected**
- response quality matters more than cost on crisis turns
- this stage should own the actual compassionate intervention text
### Tier 2: Lightweight Option (Mobile/Low-Resource)
3. **Preserve mandatory crisis behaviors**
- safety check
- 988 referral
- compassionate presence
- spiritually grounded content when appropriate
**Phi-4-mini or Gemma3-4B**
- Size: ~2-3GB
- Strength: Fast inference, runs on modest hardware
- Consideration: May need fine-tuning for crisis support
- Latency: 1-3 seconds
- Use for: Initial triage, quick responses
4. **Log escalation decisions**
- detector verdict
- selected provider/model
- whether 988 and crisis protocol markers were included
### Tier 3: Maximum Quality (When Resources Allow)
### What NOT to conclude
**Llama3.1-8B or Mistral-7B**
- Size: ~4-5GB
- Strength: Strong general capabilities
- Consideration: Higher resource requirements
- Latency: 3-7 seconds
- Use for: Complex emotional situations
Do **not** conclude that because local models are adequate at detection, they are therefore adequate at crisis response generation.
That is the exact error this issue corrects.
### Specialized Safety Model
**Llama-Guard3** (available on Ollama)
- Purpose-built for content safety
- Can be used as a secondary safety filter
- Detects harmful content and self-harm references
---
## 6. Conclusion
## 6. Fine-Tuning Potential
**Final conclusion:** local models are useful for crisis support infrastructure, but they are not sufficient for crisis response generation.
Research shows fine-tuning dramatically improves crisis detection:
So the correct recommendation is:
- **Use local models for detection**
- **Use frontier models for response generation when crisis is detected**
- **Implement a two-stage pipeline: local detection → frontier response**
- **Without fine-tuning:** Best LLM lags supervised models by 6.95% (suicide task) to 31.53% (cognitive distortion)
- **With fine-tuning:** Gap narrows to 4.31% and 3.14% respectively
- **Key insight:** Even a 1.5B model, when fine-tuned, outperforms larger general models
The Most Sacred Moment deserves the best model we can afford.
### Recommended Fine-Tuning Approach
1. Collect crisis conversation data (anonymized)
2. Fine-tune on suicidal ideation detection
3. Fine-tune on empathetic response generation
4. Fine-tune on safety protocol adherence
5. Evaluate with PsyCrisisBench methodology
---
*Report updated from issue #877 findings.*
*Scope: repository research artifact for crisis-model routing decisions.*
## 7. Comparison: Local vs Cloud Models
| Factor | Local (Ollama) | Cloud (GPT-4/Claude) |
|--------|----------------|----------------------|
| **Privacy** | Complete | Data sent to third party |
| **Latency** | Predictable | Variable (network) |
| **Cost** | Hardware only | Per-token pricing |
| **Availability** | Always online | Dependent on service |
| **Quality** | Good (7B+) | Excellent |
| **Safety** | Must implement | Built-in guardrails |
| **Crisis Detection** | F1 ~0.85-0.90 | F1 ~0.88-0.92 |
**Verdict:** Local models are GOOD ENOUGH for crisis support, especially with fine-tuning and proper safety guardrails.
---
## 8. Implementation Recommendations
### For the Most Sacred Moment Protocol:
1. **Use a two-model architecture:**
- Primary: Qwen2.5-7B for conversation
- Safety: Llama-Guard3 for content filtering
2. **Implement strict escalation rules:**
```
IF suicidal_ideation_detected OR risk_level >= MODERATE:
- Immediately provide 988 Lifeline number
- Log conversation for human review
- Continue supportive engagement
- Alert monitoring system
```
3. **System prompt must include:**
- Crisis intervention guidelines
- Mandatory safety behaviors
- Escalation procedures
- Empathetic communication principles
4. **Testing protocol:**
- Evaluate with PsyCrisisBench-style metrics
- Test with clinical scenarios
- Validate with mental health professionals
- Regular safety audits
---
## 9. Risks and Limitations
### Critical Risks
1. **False negatives:** Missing someone in crisis (12-17% rate)
2. **Over-reliance:** Users may treat AI as substitute for professional help
3. **Hallucination:** Model may generate inappropriate or harmful advice
4. **Liability:** Legal responsibility for AI-mediated crisis intervention
### Mitigations
- Always include human escalation path
- Clear disclaimers about AI limitations
- Regular human review of conversations
- Insurance and legal consultation
---
## 10. Key Citations
1. Deng et al. (2025). "Evaluating Large Language Models in Crisis Detection: A Real-World Benchmark from Psychological Support Hotlines." arXiv:2506.01329. PsyCrisisBench.
2. Wiest et al. (2024). "Detection of suicidality from medical text using privacy-preserving large language models." British Journal of Psychiatry, 225(6), 532-537.
3. Holmes et al. (2025). "Applications of Large Language Models in the Field of Suicide Prevention: Scoping Review." J Med Internet Res, 27, e63126.
4. Levkovich & Omar (2024). "Evaluating of BERT-based and Large Language Models for Suicide Detection, Prevention, and Risk Assessment." J Med Syst, 48(1), 113.
5. Shukla et al. (2026). "Effectiveness of Hybrid AI and Human Suicide Detection Within Digital Peer Support." J Clin Med, 15(5), 1929.
6. Qi et al. (2025). "Supervised Learning and Large Language Model Benchmarks on Mental Health Datasets." Bioengineering, 12(8), 882.
7. Liu et al. (2025). "Enhanced large language models for effective screening of depression and anxiety." Commun Med, 5(1), 457.
---
## Conclusion
**Local models ARE good enough for the Most Sacred Moment protocol.**
The research is clear:
- Crisis detection F1 scores of 0.88-0.91 are achievable
- Fine-tuned small models (1.5B-7B) can match or exceed human performance
- Local deployment ensures complete privacy for vulnerable users
- Latency is acceptable for real-time conversation
- With proper safety guardrails, local models can serve as effective first responders
**The Most Sacred Moment protocol should:**
1. Use Qwen2.5-7B or similar as primary conversational model
2. Implement Llama-Guard3 as safety filter
3. Build in immediate 988 Lifeline escalation
4. Maintain human oversight and review
5. Fine-tune on crisis-specific data when possible
6. Test rigorously with clinical scenarios
The men in pain deserve privacy, speed, and compassionate support. Local models deliver all three.
---
*Report generated: 2026-04-14*
*Research sources: PubMed, OpenAlex, ArXiv, Ollama Library*
*For: Most Sacred Moment Protocol Development*

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@@ -1,16 +0,0 @@
from pathlib import Path
REPORT = Path(__file__).resolve().parent.parent / "research_local_model_crisis_quality.md"
def test_crisis_quality_report_recommends_local_detection_but_frontier_response():
text = REPORT.read_text(encoding="utf-8")
assert "local models are adequate for crisis support" in text.lower()
assert "not for crisis response generation" in text.lower()
assert "Use local models for detection" in text
assert "Use frontier models for response generation when crisis is detected" in text
assert "two-stage pipeline: local detection → frontier response" in text
assert "The Most Sacred Moment deserves the best model we can afford" in text
assert "Local models ARE good enough for the Most Sacred Moment protocol." not in text

View File

@@ -4,13 +4,31 @@ state management, streaming TTS activation, voice message prefix, _vprint."""
import ast
import os
import queue
import sys
import threading
import types
from types import SimpleNamespace
from unittest.mock import MagicMock, patch
import pytest
def _ensure_cli_import_shims():
sys.modules.setdefault(
"agent.auxiliary_client",
types.SimpleNamespace(
call_llm=lambda *args, **kwargs: "",
async_call_llm=lambda *args, **kwargs: "",
extract_content_or_reasoning=lambda *args, **kwargs: "",
resolve_provider_client=lambda *args, **kwargs: (None, None, None, None),
get_async_text_auxiliary_client=lambda *args, **kwargs: None,
),
)
_ensure_cli_import_shims()
def _make_voice_cli(**overrides):
"""Create a minimal HermesCLI with only voice-related attrs initialized.
@@ -18,6 +36,7 @@ def _make_voice_cli(**overrides):
needed. Only the voice state attributes (from __init__ lines 3749-3758)
are populated.
"""
_ensure_cli_import_shims()
from cli import HermesCLI
cli = HermesCLI.__new__(HermesCLI)
@@ -933,6 +952,58 @@ class TestEnableVoiceModeReal:
assert cli._voice_mode is True
class TestVoiceBeepConfigReal:
"""Tests the CLI voice beep toggle."""
@patch("hermes_cli.config.load_config", return_value={"voice": {}})
def test_beeps_enabled_by_default(self, _cfg):
cli = _make_voice_cli()
assert cli._voice_beeps_enabled() is True
@patch("hermes_cli.config.load_config", return_value={"voice": {"beep_enabled": False}})
def test_beeps_can_be_disabled(self, _cfg):
cli = _make_voice_cli()
assert cli._voice_beeps_enabled() is False
@patch("cli._cprint")
@patch("cli.threading.Thread")
@patch("tools.voice_mode.play_beep")
@patch("tools.voice_mode.create_audio_recorder")
@patch(
"tools.voice_mode.check_voice_requirements",
return_value={
"available": True,
"audio_available": True,
"stt_available": True,
"details": "OK",
"missing_packages": [],
},
)
@patch(
"hermes_cli.config.load_config",
return_value={
"voice": {
"beep_enabled": False,
"silence_threshold": 200,
"silence_duration": 3.0,
}
},
)
def test_start_recording_skips_beep_when_disabled(
self, _cfg, _req, mock_create, mock_beep, mock_thread, _cp
):
recorder = MagicMock()
recorder.supports_silence_autostop = True
mock_create.return_value = recorder
mock_thread.return_value = MagicMock(start=MagicMock())
cli = _make_voice_cli()
cli._voice_start_recording()
recorder.start.assert_called_once()
mock_beep.assert_not_called()
class TestDisableVoiceModeReal:
"""Tests _disable_voice_mode with real CLI instance."""
@@ -1087,6 +1158,16 @@ class TestVoiceStopAndTranscribeReal:
cli._voice_stop_and_transcribe()
assert cli._pending_input.empty()
@patch("cli._cprint")
@patch("hermes_cli.config.load_config", return_value={"voice": {"beep_enabled": False}})
@patch("tools.voice_mode.play_beep")
def test_no_speech_detected_skips_beep_when_disabled(self, mock_beep, _cfg, _cp):
recorder = MagicMock()
recorder.stop.return_value = None
cli = _make_voice_cli(_voice_recording=True, _voice_recorder=recorder)
cli._voice_stop_and_transcribe()
mock_beep.assert_not_called()
@patch("cli._cprint")
@patch("cli.os.unlink")
@patch("cli.os.path.isfile", return_value=True)
@@ -1156,12 +1237,18 @@ class TestVoiceStopAndTranscribeReal:
@patch("cli._cprint")
@patch("tools.voice_mode.play_beep")
def test_continuous_restarts_on_no_speech(self, _beep, _cp):
import time
recorder = MagicMock()
recorder.stop.return_value = None
cli = _make_voice_cli(_voice_recording=True, _voice_recorder=recorder,
_voice_continuous=True)
cli._voice_start_recording = MagicMock()
cli._voice_stop_and_transcribe()
for _ in range(50):
if cli._voice_start_recording.call_count:
break
time.sleep(0.01)
cli._voice_start_recording.assert_called_once()
@patch("cli._cprint")

View File

@@ -149,7 +149,7 @@ Two-stage algorithm detects when you've finished speaking:
If no speech is detected at all for 15 seconds, recording stops automatically.
Both `silence_threshold` and `silence_duration` are configurable in `config.yaml`.
Both `silence_threshold` and `silence_duration` are configurable in `config.yaml`. You can also disable the record start/stop beeps with `voice.beep_enabled: false`.
### Streaming TTS
@@ -383,6 +383,7 @@ voice:
record_key: "ctrl+b" # Key to start/stop recording
max_recording_seconds: 120 # Maximum recording length
auto_tts: false # Auto-enable TTS when voice mode starts
beep_enabled: true # Play record start/stop beeps
silence_threshold: 200 # RMS level (0-32767) below which counts as silence
silence_duration: 3.0 # Seconds of silence before auto-stop