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- Added a new function `_warm_agent_jit_caches` to pre-warm agent caches at startup, reducing cold invocation costs. - Updated the `SurfSenseContextSchema` to include per-invocation fields for better state management during agent execution. - Introduced caching mechanisms in various tools to ensure fresh database sessions are used, improving performance and reliability. - Enhanced middleware to support new context features and improve error handling during connector and document type discovery.
64 lines
2.5 KiB
Python
64 lines
2.5 KiB
Python
"""
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Context schema definitions for SurfSense agents.
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This module defines the per-invocation context object passed to the SurfSense
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deep agent via ``agent.astream_events(..., context=ctx)`` (LangGraph >= 0.6).
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The agent's compiled graph is the same across invocations (and cached by
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``agent_cache``), so anything that varies per turn — the user mentions a
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specific document, the front-end issues a unique ``request_id``, etc. —
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MUST live on this context object instead of being captured into a
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middleware ``__init__`` closure. Middlewares read fields back via
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``runtime.context.<field>``; tools read them via ``runtime.context``.
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This object is read inside both ``KnowledgePriorityMiddleware`` (for
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``mentioned_document_ids``) and any future middleware that needs
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per-request state without invalidating the compiled-agent cache.
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"""
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from __future__ import annotations
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from dataclasses import dataclass, field
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from typing import TypedDict
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class FileOperationContractState(TypedDict):
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intent: str
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confidence: float
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suggested_path: str
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timestamp: str
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turn_id: str
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@dataclass
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class SurfSenseContextSchema:
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"""
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Per-invocation context for the SurfSense deep agent.
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Defaults are chosen so the dataclass can be safely default-constructed
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(LangGraph's ``Runtime.context`` itself defaults to ``None`` if no
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context is supplied — see ``langgraph.runtime.Runtime``). All fields
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are optional; consumers must None-check before reading.
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Phase 1.5 fields:
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search_space_id: Search space the request is scoped to.
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mentioned_document_ids: KB documents the user @-mentioned this turn.
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Read by ``KnowledgePriorityMiddleware`` to seed its priority
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list. Stays out of the compiled-agent cache key — that's the
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whole point of putting it here.
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file_operation_contract: One-shot file operation contract emitted
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by ``FileIntentMiddleware`` for the upcoming turn.
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turn_id / request_id: Correlation IDs surfaced by the streaming
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task; populated for telemetry.
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Phase 2 will extend with: thread_id, user_id, visibility,
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filesystem_mode, anon_session_id, available_connectors,
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available_document_types, created_by_id (everything currently captured
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by middleware ``__init__`` closures).
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"""
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search_space_id: int | None = None
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mentioned_document_ids: list[int] = field(default_factory=list)
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file_operation_contract: FileOperationContractState | None = None
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turn_id: str | None = None
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request_id: str | None = None
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