bb4922adeb
Add DPOQualityValidator that catches bad training pairs before they enter the tightening loop. Wired into DPOPairGenerator between generate() and export() as an automatic quality gate. New module: dpo_quality.py - 5 single-pair quality checks: 1. Field length minimums (prompt ≥40, chosen ≥80, rejected ≥30 chars) 2. Chosen/rejected length ratio (chosen must be ≥1.3x longer) 3. Chosen≈rejected similarity (Jaccard ≤0.70 — catches low-contrast) 4. Vocabulary diversity in chosen (unique word ratio ≥0.30) 5. Substance markers in chosen (≥2 fleet/training/action terms) - 2 cross-pair quality checks: 6. Near-duplicate prompts within batch (Jaccard ≤0.85) 7. Cross-run dedup against recent JSONL history files - Two modes: 'drop' (filter out bad pairs) or 'flag' (export with warning) - BatchReport with per-pair diagnostics, pass rates, and warnings - Standalone CLI: python3 dpo_quality.py <file.jsonl> [--strict] [--json] Modified: dpo_generator.py - Imports DPOQualityValidator with graceful degradation - Initializes from config validation section (enabled by default) - Validates between generate() and export() in run() - Quality report included in pipeline result dict - Validator failure never blocks — falls back to unvalidated export Modified: config.yaml - New deepdive.training.dpo.validation section with all tunable knobs: enabled, flagged_pair_action, similarity thresholds, length minimums, dedup_history_files Integration tested — 6 test cases covering: ✓ Good pairs pass (3/3 accepted) ✓ Bad pairs caught: too-short, high-similarity, inverted signal (0/3) ✓ Near-duplicate prompt detection (1/2 deduped) ✓ Flag mode preserves pairs with warnings (3/3 flagged) ✓ Cross-run deduplication against history (1 dupe caught) ✓ Full generator→validator→export pipeline (6/6 validated)
432 lines
16 KiB
Python
432 lines
16 KiB
Python
#!/usr/bin/env python3
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"""Deep Dive DPO Training Pair Generator — Phase 3.5
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Transforms ranked research items + synthesis output into DPO preference
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pairs for overnight Hermes training. Closes the loop between arXiv
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intelligence gathering and sovereign model improvement.
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Pair strategy:
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1. summarize — "Summarize this paper" → fleet-grounded analysis (chosen) vs generic abstract (rejected)
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2. relevance — "What's relevant to Hermes?" → scored relevance analysis (chosen) vs vague (rejected)
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3. implication — "What are the implications?" → actionable insight (chosen) vs platitude (rejected)
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Output format matches timmy-home training-data convention:
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{"prompt", "chosen", "rejected", "source_session", "task_type", "evidence_ids", "safety_flags"}
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"""
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import hashlib
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import json
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import logging
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from dataclasses import dataclass, field
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from datetime import datetime, timezone
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from pathlib import Path
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from typing import Any, Dict, List, Optional
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# Quality validation gate
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try:
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from dpo_quality import DPOQualityValidator
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HAS_DPO_QUALITY = True
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except ImportError:
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HAS_DPO_QUALITY = False
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DPOQualityValidator = None
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logger = logging.getLogger("deepdive.dpo_generator")
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@dataclass
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class DPOPair:
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"""Single DPO training pair."""
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prompt: str
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chosen: str
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rejected: str
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task_type: str
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evidence_ids: List[str] = field(default_factory=list)
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source_session: Dict[str, Any] = field(default_factory=dict)
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safety_flags: List[str] = field(default_factory=list)
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metadata: Dict[str, Any] = field(default_factory=dict)
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def to_dict(self) -> Dict[str, Any]:
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return {
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"prompt": self.prompt,
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"chosen": self.chosen,
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"rejected": self.rejected,
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"task_type": self.task_type,
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"evidence_ids": self.evidence_ids,
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"source_session": self.source_session,
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"safety_flags": self.safety_flags,
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"metadata": self.metadata,
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}
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class DPOPairGenerator:
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"""Generate DPO training pairs from Deep Dive pipeline output.
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Sits between Phase 3 (Synthesis) and Phase 4 (Audio) as Phase 3.5.
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Takes ranked items + synthesis briefing and produces training pairs
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that teach Hermes to produce fleet-grounded research analysis.
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"""
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def __init__(self, config: Optional[Dict[str, Any]] = None):
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cfg = config or {}
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self.output_dir = Path(
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cfg.get("output_dir", str(Path.home() / ".timmy" / "training-data" / "dpo-pairs"))
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)
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self.output_dir.mkdir(parents=True, exist_ok=True)
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self.min_score = cfg.get("min_score", 0.5)
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self.max_pairs_per_run = cfg.get("max_pairs_per_run", 30)
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self.pair_types = cfg.get("pair_types", ["summarize", "relevance", "implication"])
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# Quality validator
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self.validator = None
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validation_cfg = cfg.get("validation", {})
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if HAS_DPO_QUALITY and validation_cfg.get("enabled", True):
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self.validator = DPOQualityValidator(
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config=validation_cfg,
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output_dir=self.output_dir,
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)
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logger.info("DPO quality validator enabled")
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elif not HAS_DPO_QUALITY:
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logger.info("DPO quality validator not available (dpo_quality module not found)")
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else:
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logger.info("DPO quality validator disabled in config")
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logger.info(
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f"DPOPairGenerator: output_dir={self.output_dir}, "
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f"pair_types={self.pair_types}, max_pairs={self.max_pairs_per_run}"
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)
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def _content_hash(self, text: str) -> str:
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return hashlib.sha256(text.encode()).hexdigest()[:12]
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def _build_summarize_pair(self, item, score: float,
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synthesis_excerpt: str) -> DPOPair:
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"""Type 1: 'Summarize this paper' → fleet-grounded analysis vs generic abstract."""
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prompt = (
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f"Summarize the following research paper and explain its significance "
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f"for a team building sovereign LLM agents:\n\n"
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f"Title: {item.title}\n"
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f"Abstract: {item.summary[:500]}\n"
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f"Source: {item.source}\n"
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f"URL: {item.url}"
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)
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chosen = (
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f"{synthesis_excerpt}\n\n"
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f"Relevance score: {score:.2f}/5.0 — "
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f"This work directly impacts our agent architecture and training pipeline."
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)
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# Rejected: generic, unhelpful summary without fleet context
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rejected = (
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f"This paper titled \"{item.title}\" presents research findings in the area "
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f"of artificial intelligence. The authors discuss various methods and present "
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f"results. This may be of interest to researchers in the field."
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)
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return DPOPair(
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prompt=prompt,
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chosen=chosen,
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rejected=rejected,
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task_type="summarize",
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evidence_ids=[self._content_hash(item.url or item.title)],
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source_session={
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"pipeline": "deepdive",
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"phase": "3.5_dpo",
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"relevance_score": score,
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"source_url": item.url,
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},
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safety_flags=["auto-generated", "deepdive-pipeline"],
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metadata={
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"source_feed": item.source,
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"item_title": item.title,
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"score": score,
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},
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)
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def _build_relevance_pair(self, item, score: float,
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fleet_context_text: str) -> DPOPair:
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"""Type 2: 'What's relevant to Hermes?' → scored analysis vs vague response."""
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prompt = (
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f"Analyze this research for relevance to the Hermes agent fleet — "
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f"a sovereign AI system using local Gemma models, Ollama inference, "
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f"and GRPO/DPO training:\n\n"
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f"Title: {item.title}\n"
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f"Abstract: {item.summary[:400]}"
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)
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# Build keyword match explanation
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keywords_matched = []
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text_lower = f"{item.title} {item.summary}".lower()
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relevance_terms = [
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"agent", "tool use", "function calling", "reinforcement learning",
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"RLHF", "GRPO", "fine-tuning", "LoRA", "quantization", "inference",
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"reasoning", "chain of thought", "transformer", "local"
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]
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for term in relevance_terms:
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if term.lower() in text_lower:
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keywords_matched.append(term)
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keyword_str = ", ".join(keywords_matched[:5]) if keywords_matched else "general AI/ML"
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chosen = (
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f"**Relevance: {score:.2f}/5.0**\n\n"
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f"This paper is relevant to our fleet because it touches on: {keyword_str}.\n\n"
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)
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if fleet_context_text:
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chosen += (
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f"In the context of our current fleet state:\n"
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f"{fleet_context_text[:300]}\n\n"
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)
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chosen += (
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f"**Actionable takeaway:** Review this work for techniques applicable to "
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f"our overnight training loop and agent architecture improvements."
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)
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rejected = (
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f"This paper might be relevant. It discusses some AI topics. "
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f"It could potentially be useful for various AI projects. "
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f"Further reading may be needed to determine its applicability."
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)
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return DPOPair(
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prompt=prompt,
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chosen=chosen,
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rejected=rejected,
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task_type="relevance",
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evidence_ids=[self._content_hash(item.url or item.title)],
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source_session={
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"pipeline": "deepdive",
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"phase": "3.5_dpo",
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"relevance_score": score,
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"keywords_matched": keywords_matched,
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},
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safety_flags=["auto-generated", "deepdive-pipeline"],
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metadata={
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"source_feed": item.source,
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"item_title": item.title,
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"score": score,
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},
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)
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def _build_implication_pair(self, item, score: float,
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synthesis_excerpt: str) -> DPOPair:
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"""Type 3: 'What are the implications?' → actionable insight vs platitude."""
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prompt = (
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f"What are the practical implications of this research for a team "
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f"running sovereign LLM agents with local training infrastructure?\n\n"
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f"Title: {item.title}\n"
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f"Summary: {item.summary[:400]}"
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)
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chosen = (
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f"**Immediate implications for our fleet:**\n\n"
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f"1. **Training pipeline:** {synthesis_excerpt[:200] if synthesis_excerpt else 'This work suggests improvements to our GRPO/DPO training approach.'}\n\n"
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f"2. **Agent architecture:** Techniques described here could enhance "
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f"our tool-use and reasoning capabilities in Hermes agents.\n\n"
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f"3. **Deployment consideration:** With a relevance score of {score:.2f}, "
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f"this should be flagged for the next tightening cycle. "
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f"Consider adding these techniques to the overnight R&D queue.\n\n"
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f"**Priority:** {'HIGH — review before next deploy' if score >= 2.0 else 'MEDIUM — queue for weekly review'}"
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)
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rejected = (
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f"This research has some implications for AI development. "
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f"Teams working on AI projects should be aware of these developments. "
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f"The field is moving quickly and it's important to stay up to date."
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)
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return DPOPair(
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prompt=prompt,
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chosen=chosen,
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rejected=rejected,
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task_type="implication",
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evidence_ids=[self._content_hash(item.url or item.title)],
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source_session={
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"pipeline": "deepdive",
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"phase": "3.5_dpo",
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"relevance_score": score,
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},
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safety_flags=["auto-generated", "deepdive-pipeline"],
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metadata={
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"source_feed": item.source,
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"item_title": item.title,
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"score": score,
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},
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)
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def generate(
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self,
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ranked_items: List[tuple],
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briefing: Dict[str, Any],
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fleet_context_text: str = "",
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) -> List[DPOPair]:
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"""Generate DPO pairs from ranked items and synthesis output.
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Args:
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ranked_items: List of (FeedItem, score) tuples from Phase 2
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briefing: Structured briefing dict from Phase 3
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fleet_context_text: Optional fleet context markdown string
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Returns:
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List of DPOPair objects
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"""
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if not ranked_items:
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logger.info("No ranked items — skipping DPO generation")
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return []
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synthesis_text = briefing.get("briefing", "")
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pairs: List[DPOPair] = []
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for item, score in ranked_items:
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if score < self.min_score:
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continue
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# Extract a synthesis excerpt relevant to this item
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excerpt = self._extract_relevant_excerpt(synthesis_text, item.title)
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if "summarize" in self.pair_types:
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pairs.append(self._build_summarize_pair(item, score, excerpt))
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if "relevance" in self.pair_types:
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pairs.append(self._build_relevance_pair(item, score, fleet_context_text))
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if "implication" in self.pair_types:
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pairs.append(self._build_implication_pair(item, score, excerpt))
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if len(pairs) >= self.max_pairs_per_run:
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break
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logger.info(f"Generated {len(pairs)} DPO pairs from {len(ranked_items)} ranked items")
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return pairs
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def _extract_relevant_excerpt(self, synthesis_text: str, title: str) -> str:
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"""Extract the portion of synthesis most relevant to a given item title."""
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if not synthesis_text:
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return ""
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# Try to find a paragraph mentioning key words from the title
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title_words = [w.lower() for w in title.split() if len(w) > 4]
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paragraphs = synthesis_text.split("\n\n")
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best_para = ""
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best_overlap = 0
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for para in paragraphs:
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para_lower = para.lower()
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overlap = sum(1 for w in title_words if w in para_lower)
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if overlap > best_overlap:
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best_overlap = overlap
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best_para = para
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if best_overlap > 0:
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return best_para.strip()[:500]
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# Fallback: first substantive paragraph
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for para in paragraphs:
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stripped = para.strip()
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if len(stripped) > 100 and not stripped.startswith("#"):
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return stripped[:500]
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return synthesis_text[:500]
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def export(self, pairs: List[DPOPair], session_id: Optional[str] = None) -> Path:
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"""Write DPO pairs to JSONL file.
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Args:
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pairs: List of DPOPair objects
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session_id: Optional session identifier for the filename
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Returns:
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Path to the written JSONL file
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"""
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timestamp = datetime.now(timezone.utc).strftime("%Y%m%d_%H%M%S")
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suffix = f"_{session_id}" if session_id else ""
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filename = f"deepdive_{timestamp}{suffix}.jsonl"
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output_path = self.output_dir / filename
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written = 0
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with open(output_path, "w") as f:
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for pair in pairs:
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f.write(json.dumps(pair.to_dict()) + "\n")
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written += 1
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logger.info(f"Exported {written} DPO pairs to {output_path}")
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return output_path
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def run(
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self,
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ranked_items: List[tuple],
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briefing: Dict[str, Any],
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fleet_context_text: str = "",
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session_id: Optional[str] = None,
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) -> Dict[str, Any]:
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"""Full Phase 3.5: generate → validate → export DPO pairs.
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Returns summary dict for pipeline result aggregation.
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"""
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pairs = self.generate(ranked_items, briefing, fleet_context_text)
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if not pairs:
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return {
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"status": "skipped",
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"pairs_generated": 0,
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"pairs_validated": 0,
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"output_path": None,
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}
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# Quality gate: validate before export
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quality_report = None
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if self.validator:
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pair_dicts = [p.to_dict() for p in pairs]
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filtered_dicts, quality_report = self.validator.validate(pair_dicts)
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logger.info(
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f"Quality gate: {quality_report.passed_pairs}/{quality_report.total_pairs} "
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f"passed, {quality_report.dropped_pairs} dropped, "
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f"{quality_report.flagged_pairs} flagged"
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)
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if not filtered_dicts:
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return {
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"status": "all_filtered",
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"pairs_generated": len(pairs),
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"pairs_validated": 0,
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"output_path": None,
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"quality": quality_report.to_dict(),
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}
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# Rebuild DPOPair objects from filtered dicts
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pairs = [
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DPOPair(
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prompt=d["prompt"],
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chosen=d["chosen"],
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rejected=d["rejected"],
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task_type=d.get("task_type", "unknown"),
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evidence_ids=d.get("evidence_ids", []),
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source_session=d.get("source_session", {}),
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safety_flags=d.get("safety_flags", []),
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metadata=d.get("metadata", {}),
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)
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for d in filtered_dicts
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]
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output_path = self.export(pairs, session_id)
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# Summary by task type
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type_counts = {}
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for p in pairs:
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type_counts[p.task_type] = type_counts.get(p.task_type, 0) + 1
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result = {
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"status": "success",
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"pairs_generated": len(pairs) + (quality_report.dropped_pairs if quality_report else 0),
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"pairs_validated": len(pairs),
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"output_path": str(output_path),
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"pair_types": type_counts,
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"output_dir": str(self.output_dir),
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}
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if quality_report:
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result["quality"] = quality_report.to_dict()
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return result
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