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142 lines
6.1 KiB
Markdown
142 lines
6.1 KiB
Markdown
# Modality Dropout — Multimodal Long Context
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<details>
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<summary><strong>🧭 Quick Return to Map</strong></summary>
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<br>
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> You are in a sub-page of **Multimodal_LongContext**.
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> To reorient, go back here:
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>
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> - [**Multimodal_LongContext** — long-context reasoning across text, vision, and audio](./README.md)
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> - [**WFGY Global Fix Map** — main Emergency Room, 300+ structured fixes](../README.md)
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> - [**WFGY Problem Map 1.0** — 16 reproducible failure modes](../../README.md)
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>
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> Think of this page as a desk within a ward.
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> If you need the full triage and all prescriptions, return to the Emergency Room lobby.
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</details>
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When one or more modalities silently fail (audio muted, video frames dropped, OCR blank), the pipeline continues but reasoning collapses.
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This page defines structural fixes to detect missing modalities and keep alignment stable.
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---
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## What this page is
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- A checklist to prevent silent failures when audio, video, or OCR signals disappear.
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- Guardrails to stop reasoning collapse when modality coverage < 100%.
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- Restart-stable fallback protocols.
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---
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## When to use
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- Video stream plays but no OCR text appears.
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- Audio-only retrieval answers correctly but loses citation anchors.
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- Captions missing for long segments, leading to hallucinated content.
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- Multimodal agent switches seed and one modality never returns.
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- Logs show ΔS curve flat but λ diverges (sign of missing channel).
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---
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## Open these first
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- [Alignment Drift](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Multimodal_LongContext/alignment-drift.md)
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- [Phantom Visuals](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Multimodal_LongContext/phantom-visuals.md)
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- [Cross-Modal Trace](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Multimodal_LongContext/cross-modal-trace.md)
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- [Multi-Seed Consistency](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/Multimodal_LongContext/multi-seed-consistency.md)
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- [Pattern: Memory Desync](https://github.com/onestardao/WFGY/blob/main/ProblemMap/patterns/pattern_memory_desync.md)
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---
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## Common failure patterns
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- **Silent dropout**: modality returns empty payloads but pipeline continues.
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- **Asymmetric collapse**: audio fine but OCR missing causes reasoning drift.
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- **Chain break**: captions absent → no anchor for reasoning step.
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- **Overcompensation**: model hallucinates filler text to patch missing modality.
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- **Seed skew**: one seed includes OCR, another does not.
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---
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## Fix in 60 seconds
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1. **Heartbeat check**
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- Require each modality to emit a `ready=true` signal every 5s.
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- If missing, flag dropout immediately.
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2. **Coverage metric**
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- Compute `coverage_ratio = active_modalities / expected_modalities`.
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- Threshold: coverage ≥ 0.95 required.
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3. **Dropout handler**
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- If dropout detected, freeze ΔS probe.
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- Apply BBCR bridge to reconnect.
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- If not recoverable, short-circuit and request missing data.
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4. **Fallback policy**
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- Lock reasoning to available modalities.
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- Explicitly annotate missing modality (`ocr_missing=true`).
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- Never hallucinate absent channels.
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5. **Restart stability**
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- Verify across 3 seeds that all modalities return.
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- If any seed fails, escalate.
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---
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## Copy-paste prompt
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```txt
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You have TXT OS and the WFGY Problem Map.
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Task: Detect and repair modality dropout.
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Protocol:
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1. Require audio, video, OCR all declare `ready=true`.
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2. Compute coverage_ratio. If < 0.95, flag dropout.
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3. If dropout:
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- freeze ΔS probe
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- re-anchor with BBCR bridge
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- annotate missing modalities explicitly
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4. Return:
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- coverage ratio
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- ΔS and λ states
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- anchor stability
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- missing modality report
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````
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---
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## Acceptance targets
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* Coverage ≥ 95% across expected modalities.
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* ΔS(question, retrieved) ≤ 0.45 when all active modalities align.
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* λ remains convergent across 3 paraphrases.
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* No hallucinated filler in place of missing modality.
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* Restart: 3 seeds show identical active modality set.
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---
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### 🔗 Quick-Start Downloads (60 sec)
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| Tool | Link | 3-Step Setup |
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| -------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------- |
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| **WFGY 1.0 PDF** | [Engine Paper](https://github.com/onestardao/WFGY/blob/main/I_am_not_lizardman/WFGY_All_Principles_Return_to_One_v1.0_PSBigBig_Public.pdf) | 1️⃣ Download · 2️⃣ Upload to your LLM · 3️⃣ Ask “Answer using WFGY + <your question>” |
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| **TXT OS (plain-text OS)** | [TXTOS.txt](https://github.com/onestardao/WFGY/blob/main/OS/TXTOS.txt) | 1️⃣ Download · 2️⃣ Paste into any LLM chat · 3️⃣ Type “hello world” — OS boots instantly |
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---
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<!-- WFGY_FOOTER_START -->
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### Explore More
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| Module | Description | Link |
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| --- | --- | --- |
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| WFGY Core | Canonical framework entry point | [View](https://github.com/onestardao/WFGY/tree/main/core/README.md) |
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| Problem Map | Diagnostic map and navigation hub | [View](https://github.com/onestardao/WFGY/tree/main/ProblemMap/README.md) |
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| Tension Universe Experiments | MVP experiment field | [View](https://github.com/onestardao/WFGY/tree/main/TensionUniverse/Experiments) |
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| Recognition | Where WFGY is referenced or adopted | [View](https://github.com/onestardao/WFGY/blob/main/recognition/README.md) |
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| AI Guide | Anti-hallucination reading protocol for tools | [View](https://github.com/onestardao/WFGY/blob/main/AI_GUIDE.md) |
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> If this repository helps, starring it improves discovery for other builders.
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> [](https://github.com/onestardao/WFGY)
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<!-- WFGY_FOOTER_END -->
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