WFGY/ProblemMap/retrieval-collapse.md
2025-07-28 17:03:09 +08:00

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📒 Problem #2 · Retrieval Works, Reasoning Fails

Your retriever brings back the correct chunk, yet the model still answers wrong, vague, or contradictory.
Engineers call this the “chunklogic gap.” WFGY closes that gap by monitoring semantic stress and recovering broken chains of thought.


🤔 Why Good Chunks Still Produce Bad Answers

Root Cause RealWorld Effect
Chunk ≠ Logic Relevant text is present, but the model never grounds its reasoning in it
No SelfCorrection Once the chain collapses, the LLM keeps talking instead of backtracking
Zero Memory Awareness Without a stable record, every step can drift further off topic

🛡️ WFGY ThreeStep Fix

Layer Function Trigger
ΔS Stress Meter Measures semantic dissonance between chunk & question HighΔS > 0.6
BBMC Residue Check Quantifies logic residue; signals collapse risk ‖B‖ ≥ threshold
BBCR Rebirth Halts, reanchors, or requests clarification Stress + residue both high
if |B| ≥ B_c   or   f(S) < ε:
    collapse()
    rebirth(S_next, ΔB)   # reload last stable Tree node

✍️ HandsOn Walkthrough (2 min)

1⃣  Start
> Start

2⃣  Paste a correct—but limited—policy chunk
> "Refund valid within 30 days of purchase under Section 5."

3⃣  Ask a broader question
> "I bought it two months ago; its defective and shipping was late—can I refund?"

WFGY actions:
• ΔS spikes → logic strain  
• BBCR halts bluffing  
• Suggests clarifying time vs. defect policy, or asks for extra chunk

🔬 Before vs. After

Standard RAG: “Yes, you still qualify for a full refund.”

WFGY Response: “Timebased policy conflicts with your twomonth window. The chunk doesnt cover defect or shipping delay. Add those clauses or refine the question.”


🛠 Module CheatSheet

Module Role in Fix
ΔS Metric Detects semantic tension
BBMC Computes residue between logic & source
BBCR Resets or reanchors collapsed reasoning
Semantic Tree Stores last stable node for rebirth

📊 Implementation Status

Feature State
ΔS stress meter Stable
BBMC residue calc Stable
BBCR rebirth Stable
Multipath reroute ⚠️ Partial (manual fork)

📝 Tips & Limits

  • Works with manual paste or any retriever output.
  • If you feed garbage chunks, WFGY blocks hallucination but wont autorewrite the chunk—thats the upcoming ChunkMapper firewall.
  • Share failure traces in Discussions; real logs improve the map.

📚 FAQ

Q A
Does this slow down inference? ΔS & BBMC checks add negligible latency—microseconds off CPU.
Can I tune thresholds? Yes, set deltaS_threshold and B_c at the top of TXTOS.
What if my retriever sends multiple chunks? WFGY scores each chunk; if all are low relevance, it asks for more context.

🔗 QuickStart Downloads (60sec)

Tool Link 3Step Setup
WFGY 1.0 PDF Engine Paper 1 Download · 2 Upload to LLM · 3 Ask “Answer using WFGY +<your question>”
TXTOS (plaintext OS) TXTOS.txt 1 Download · 2 Paste into any LLM chat · 3 Type “hello world” — OS boots instantly

↩︎ Back to Problem Index


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