Update methodology.md

methodology.md

@@ -73,15 +73,28 @@ Multimodal interactions (e.g., image + explanation) are rendered in chat.
 ## Architecture at a Glance
 
 User Input (Text / Image / Audio)
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         │
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         ▼
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 Intent Classifier ──► Rule-based (intents.json)
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         │
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         ├─ Chat → Chatbot Client (LLM)
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         ├─ Search Local Image → Embedding Match
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         ├─ Image Analysis → Vision Client + Groq Summary
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         └─ Audio Analysis → Audio Client
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         ▼
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 Response Generator (Groq Narrative + History)
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         ▼
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 Gradio Chat UI