Aufbau von Enterprise-Agent-Systemen: Kernkomponentendesign und -optimierung

Einführung

Der Aufbau von KI-Agenten der Enterprise-Klasse erfordert eine sorgfältige Prüfung des Komponentendesigns, der Systemarchitektur und der technischen Praktiken. In diesem Artikel werden die Schlüsselkomponenten und Best Practices für den Aufbau robuster und skalierbarer Agentensysteme untersucht.

1. Schnelles Template-Engineering

1.1 Vorlagenentwurfsmuster

from typing import Protocol, Dict
from jinja2 import Template

class PromptTemplate(Protocol):
    def render(self, **kwargs) -> str:
        pass

class JinjaPromptTemplate:
    def __init__(self, template_string: str):
        self.template = Template(template_string)

    def render(self, **kwargs) -> str:
        return self.template.render(**kwargs)

class PromptLibrary:
    def __init__(self):
        self.templates: Dict[str, PromptTemplate] = {}

    def register_template(self, name: str, template: PromptTemplate):
        self.templates[name] = template

    def get_template(self, name: str) -> PromptTemplate:
        return self.templates[name]

1.2 Versionskontrolle und Tests

class PromptVersion:
    def __init__(self, version: str, template: str, metadata: dict):
        self.version = version
        self.template = template
        self.metadata = metadata
        self.test_cases = []

    def add_test_case(self, inputs: dict, expected_output: str):
        self.test_cases.append((inputs, expected_output))

    def validate(self) -> bool:
        template = JinjaPromptTemplate(self.template)
        for inputs, expected in self.test_cases:
            result = template.render(**inputs)
            if not self._validate_output(result, expected):
                return False
        return True

2. Hierarchisches Speichersystem

2.1 Speicherarchitektur

from typing import Any, List
from datetime import datetime

class MemoryEntry:
    def __init__(self, content: Any, importance: float):
        self.content = content
        self.importance = importance
        self.timestamp = datetime.now()
        self.access_count = 0

class MemoryLayer:
    def __init__(self, capacity: int):
        self.capacity = capacity
        self.memories: List[MemoryEntry] = []

    def add(self, entry: MemoryEntry):
        if len(self.memories) >= self.capacity:
            self._evict()
        self.memories.append(entry)

    def _evict(self):
        # Implement memory eviction strategy
        self.memories.sort(key=lambda x: x.importance * x.access_count)
        self.memories.pop(0)

class HierarchicalMemory:
    def __init__(self):
        self.working_memory = MemoryLayer(capacity=5)
        self.short_term = MemoryLayer(capacity=50)
        self.long_term = MemoryLayer(capacity=1000)

    def store(self, content: Any, importance: float):
        entry = MemoryEntry(content, importance)

        if importance > 0.8:
            self.working_memory.add(entry)
        elif importance > 0.5:
            self.short_term.add(entry)
        else:
            self.long_term.add(entry)

2.2 Speicherabruf und Indizierung

from typing import List, Tuple
import numpy as np
from sklearn.metrics.pairwise import cosine_similarity

class MemoryIndex:
    def __init__(self, embedding_model):
        self.embedding_model = embedding_model
        self.embeddings = []
        self.memories = []

    def add(self, memory: MemoryEntry):
        embedding = self.embedding_model.embed(memory.content)
        self.embeddings.append(embedding)
        self.memories.append(memory)

    def search(self, query: str, k: int = 5) -> List[Tuple[MemoryEntry, float]]:
        query_embedding = self.embedding_model.embed(query)
        similarities = cosine_similarity(
            [query_embedding], 
            self.embeddings
        )[0]

        top_k_indices = np.argsort(similarities)[-k:]

        return [
            (self.memories[i], similarities[i]) 
            for i in top_k_indices
        ]

3. Beobachtbare Argumentationsketten

3.1 Kettenstruktur

from typing import List, Optional
from dataclasses import dataclass
import uuid

@dataclass
class ThoughtNode:
    content: str
    confidence: float
    supporting_evidence: List[str]

class ReasoningChain:
    def __init__(self):
        self.chain_id = str(uuid.uuid4())
        self.nodes: List[ThoughtNode] = []
        self.metadata = {}

    def add_thought(self, thought: ThoughtNode):
        self.nodes.append(thought)

    def get_path(self) -> List[str]:
        return [node.content for node in self.nodes]

    def get_confidence(self) -> float:
        if not self.nodes:
            return 0.0
        return sum(n.confidence for n in self.nodes) / len(self.nodes)

3.2 Kettenüberwachung und -analyse

import logging
from opentelemetry import trace
from prometheus_client import Histogram

reasoning_time = Histogram(
    'reasoning_chain_duration_seconds',
    'Time spent in reasoning chain'
)

class ChainMonitor:
    def __init__(self):
        self.tracer = trace.get_tracer(__name__)

    def monitor_chain(self, chain: ReasoningChain):
        with self.tracer.start_as_current_span("reasoning_chain") as span:
            span.set_attribute("chain_id", chain.chain_id)

            with reasoning_time.time():
                for node in chain.nodes:
                    with self.tracer.start_span("thought") as thought_span:
                        thought_span.set_attribute(
                            "confidence", 
                            node.confidence
                        )
                        logging.info(
                            f"Thought: {node.content} "
                            f"(confidence: {node.confidence})"
                        )

4. Komponentenentkopplung und Wiederverwendung

4.1 Schnittstellendesign

from abc import ABC, abstractmethod
from typing import Generic, TypeVar

T = TypeVar('T')

class Component(ABC, Generic[T]):
    @abstractmethod
    def process(self, input_data: T) -> T:
        pass

class Pipeline:
    def __init__(self):
        self.components: List[Component] = []

    def add_component(self, component: Component):
        self.components.append(component)

    def process(self, input_data: Any) -> Any:
        result = input_data
        for component in self.components:
            result = component.process(result)
        return result

4.2 Komponentenregister

class ComponentRegistry:
    _instance = None

    def __new__(cls):
        if cls._instance is None:
            cls._instance = super().__new__(cls)
            cls._instance.components = {}
        return cls._instance

    def register(self, name: str, component: Component):
        self.components[name] = component

    def get(self, name: str) -> Optional[Component]:
        return self.components.get(name)

    def create_pipeline(self, component_names: List[str]) -> Pipeline:
        pipeline = Pipeline()
        for name in component_names:
            component = self.get(name)
            if component:
                pipeline.add_component(component)
        return pipeline

5. Leistungsüberwachung und -optimierung

5.1 Leistungsmetriken

from dataclasses import dataclass
from typing import Dict
import time

@dataclass
class PerformanceMetrics:
    latency: float
    memory_usage: float
    token_count: int
    success_rate: float

class PerformanceMonitor:
    def __init__(self):
        self.metrics: Dict[str, List[PerformanceMetrics]] = {}

    def record_operation(
        self,
        operation_name: str,
        metrics: PerformanceMetrics
    ):
        if operation_name not in self.metrics:
            self.metrics[operation_name] = []
        self.metrics[operation_name].append(metrics)

    def get_average_metrics(
        self,
        operation_name: str
    ) -> Optional[PerformanceMetrics]:
        if operation_name not in self.metrics:
            return None

        metrics_list = self.metrics[operation_name]
        return PerformanceMetrics(
            latency=sum(m.latency for m in metrics_list) / len(metrics_list),
            memory_usage=sum(m.memory_usage for m in metrics_list) / len(metrics_list),
            token_count=sum(m.token_count for m in metrics_list) / len(metrics_list),
            success_rate=sum(m.success_rate for m in metrics_list) / len(metrics_list)
        )

5.2 Optimierungsstrategien

class PerformanceOptimizer:
    def __init__(self, monitor: PerformanceMonitor):
        self.monitor = monitor
        self.thresholds = {
            'latency': 1.0,  # seconds
            'memory_usage': 512,  # MB
            'token_count': 1000,
            'success_rate': 0.95
        }

    def analyze_performance(self, operation_name: str) -> List[str]:
        metrics = self.monitor.get_average_metrics(operation_name)
        if not metrics:
            return []

        recommendations = []

        if metrics.latency > self.thresholds['latency']:
            recommendations.append(
                "Consider implementing caching or parallel processing"
            )

        if metrics.memory_usage > self.thresholds['memory_usage']:
            recommendations.append(
                "Optimize memory usage through batch processing"
            )

        if metrics.token_count > self.thresholds['token_count']:
            recommendations.append(
                "Implement prompt optimization to reduce token usage"
            )

        if metrics.success_rate < self.thresholds['success_rate']:
            recommendations.append(
                "Review error handling and implement retry mechanisms"
            )

        return recommendations

Abschluss

Der Aufbau von Agentensystemen der Enterprise-Klasse erfordert sorgfältige Aufmerksamkeit auf:

• Strukturierte Eingabeaufforderungsverwaltung und Versionskontrolle
• Effiziente und skalierbare Speichersysteme
• Beobachtbare und nachvollziehbare Denkprozesse
• Modulares und wiederverwendbares Komponentendesign
• Umfassende Leistungsüberwachung und -optimierung

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