- Intent classification with LLM structured output (single/multi/ambiguous) - Discount agent with apply_discount and generate_coupon tools - Interrupt manager with 30-min TTL auto-expiration and retry prompts - Webhook escalation module with exponential backoff retry (max 3) - Three vertical industry templates (e-commerce, SaaS, fintech) - Template loading in AgentRegistry - Enhanced supervisor prompt with dynamic agent descriptions - 153 tests passing, 90.18% coverage
116 lines
3.5 KiB
Python
116 lines
3.5 KiB
Python
"""Interrupt TTL management -- tracks pending interrupts with auto-expiration."""
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from __future__ import annotations
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import time
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import uuid
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from dataclasses import dataclass
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@dataclass(frozen=True)
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class InterruptRecord:
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"""Immutable record of a pending interrupt."""
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interrupt_id: str
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thread_id: str
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action: str
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params: dict
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created_at: float
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ttl_seconds: int
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@dataclass(frozen=True)
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class InterruptStatus:
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"""Current status of a tracked interrupt."""
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is_expired: bool
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remaining_seconds: float
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record: InterruptRecord
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class InterruptManager:
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"""Manages interrupt TTL with auto-expiration.
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Complements SessionManager -- this tracks interrupt-specific TTL
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while SessionManager handles session-level TTL.
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"""
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def __init__(self, ttl_seconds: int = 1800) -> None:
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self._ttl_seconds = ttl_seconds
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self._interrupts: dict[str, InterruptRecord] = {}
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def register(
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self,
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thread_id: str,
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action: str,
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params: dict,
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) -> InterruptRecord:
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"""Register a new pending interrupt with TTL tracking."""
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record = InterruptRecord(
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interrupt_id=uuid.uuid4().hex,
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thread_id=thread_id,
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action=action,
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params=dict(params),
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created_at=time.time(),
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ttl_seconds=self._ttl_seconds,
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)
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self._interrupts = {**self._interrupts, thread_id: record}
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return record
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def check_status(self, thread_id: str) -> InterruptStatus | None:
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"""Check the TTL status of a pending interrupt."""
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record = self._interrupts.get(thread_id)
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if record is None:
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return None
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elapsed = time.time() - record.created_at
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remaining = max(0.0, record.ttl_seconds - elapsed)
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is_expired = elapsed > record.ttl_seconds
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return InterruptStatus(
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is_expired=is_expired,
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remaining_seconds=remaining,
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record=record,
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)
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def resolve(self, thread_id: str) -> None:
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"""Remove a resolved interrupt from tracking."""
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self._interrupts = {
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k: v for k, v in self._interrupts.items() if k != thread_id
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}
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def cleanup_expired(self) -> tuple[InterruptRecord, ...]:
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"""Find and remove all expired interrupts. Returns the expired records."""
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now = time.time()
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expired: list[InterruptRecord] = []
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active: dict[str, InterruptRecord] = {}
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for thread_id, record in self._interrupts.items():
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if now - record.created_at > record.ttl_seconds:
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expired.append(record)
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else:
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active[thread_id] = record
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self._interrupts = active
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return tuple(expired)
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def generate_retry_prompt(self, expired_record: InterruptRecord) -> dict:
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"""Generate a WebSocket message prompting the user to retry an expired action."""
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return {
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"type": "interrupt_expired",
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"thread_id": expired_record.thread_id,
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"action": expired_record.action,
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"message": (
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f"The approval request for '{expired_record.action}' has expired "
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f"after {expired_record.ttl_seconds // 60} minutes. "
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f"Would you like to try again?"
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),
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}
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def has_pending(self, thread_id: str) -> bool:
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"""Check if a thread has a pending (non-expired) interrupt."""
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status = self.check_status(thread_id)
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if status is None:
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return False
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return not status.is_expired
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