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README: installation, quickstart and docs first, laya 0.3.16 notes
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README.md
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Python 3.10 or newer. Optional extras: `laya[serve]` (HTTP server), `laya[mcp]` (MCP server), `laya[langchain]` (LangChain and LangGraph), `laya[onnx]` (ONNX Runtime), `laya[fast]` (TileLang GPU fast path). Platform-by-platform setup is in the [GitHub README](https://github.com/NandhaKishorM/laya#installation-details).
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## Documentation
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**[nandhakishorm.github.io/laya](https://nandhakishorm.github.io/laya/)**: guides for [prediction hooks](https://nandhakishorm.github.io/laya/hooks/), [schema-driven decisions](https://nandhakishorm.github.io/laya/structured/), [Docker](https://nandhakishorm.github.io/laya/docker/) and [LangChain and LangGraph](https://nandhakishorm.github.io/laya/langchain/), plus a full [API reference](https://nandhakishorm.github.io/laya/reference/).
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## What's new in laya 0.3.
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The checkpoints themselves are unchanged. `pip install -U laya` for the latest runtime fixes:
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Python 3.10 or newer. Optional extras: `laya[serve]` (HTTP server), `laya[mcp]` (MCP server), `laya[langchain]` (LangChain and LangGraph), `laya[onnx]` (ONNX Runtime), `laya[fast]` (TileLang GPU fast path). Platform-by-platform setup is in the [GitHub README](https://github.com/NandhaKishorM/laya#installation-details).
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## Quickstart
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```python
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from laya import Router
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router = Router() # downloads a checkpoint on first use; Router(preload=True) loads all three up front
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state = "Hi, we were billed twice for March. Please refund the duplicate today or we will cancel our plan."
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questions = {
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"department": {"type": "choice", "instructions": "Which department should handle this?",
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"criteria": {"billing": "invoices, payments, refunds",
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"technical": "bugs, outages, system errors",
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"other": "everything else"}},
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"urgency": {"type": "score", "instructions": "How urgent is this?",
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"criteria": ["not urgent", "soon", "blocking"]},
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"churn_risk": {"type": "noul", "instructions": "Does the user threaten to cancel or leave?"},
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}
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result = router.predict(state, questions)
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print(result["answers"]["department"]["choice"]) # billing
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print(result["answers"]["churn_risk"]["noul"]) # probability the answer is yes
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print(result["routing"]["model"]) # english
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```
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Text in any of 100+ languages works the same way: the `Router` sends it to `laya-multilingual` automatically.
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## Documentation
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**[nandhakishorm.github.io/laya](https://nandhakishorm.github.io/laya/)**: guides for [prediction hooks](https://nandhakishorm.github.io/laya/hooks/), [schema-driven decisions](https://nandhakishorm.github.io/laya/structured/), [Docker](https://nandhakishorm.github.io/laya/docker/) and [LangChain and LangGraph](https://nandhakishorm.github.io/laya/langchain/), plus a full [API reference](https://nandhakishorm.github.io/laya/reference/).
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## What's new in laya 0.3.16
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The checkpoints themselves are unchanged. `pip install -U laya` for the latest runtime fixes:
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