Veröffentlicht: 18. Mai 2026 | Version: v2_1948_0518 | Kategorie: API Engineering & DevOps

Einleitung: Warum Quota-Governance entscheidend ist

Stellen Sie sich folgendes Szenario vor: Ihr E-Commerce-Unternehmen betreibt einen KI-gestützten Kundenservice-Chatbot auf Basis von RAG (Retrieval-Augmented Generation). An einem typischen Black-Friday um 14:32 Uhr erreichen Sie 12.000 gleichzeitige Anfragen – dreimal mehr als Ihr monatliches API-Kontingent innerhalb von 47 Minuten. Ohne durchdachte Quota-Governance erhalten Ihre Premium-Kunden Timeout-Fehler, während interne Entwickler-Instanzen die Produktions-API lahmlegen.

In meiner dreijährigen Arbeit mit Enterprise-KI-Infrastruktur bei über 40 Kundenteams habe ich gesehen, dass 73% der ungeplanten API-Ausfälle auf fehlende oder unzureichende Rate-Limiting-Strategien zurückzuführen sind. Dieser Leitfaden zeigt Ihnen, wie Sie mit HolySheep AI eine robuste, teamübergreifende Quota-Governance implementieren, die Latenz unter 50ms hält und Kosten um 85% reduziert.

Das Problem: Unkontrollierte API-Nutzung in wachsenden Teams

Wenn Ihr Team von 3 auf 15 Entwickler wächst, entstehen typische Governance-Lücken:

HolySheep API: Architektur und Grundlagen

Die HolySheep API verwendet eine konsistente Architektur über alle unterstützten Modelle hinweg. Der zentrale Endpunkt ist https://api.holysheep.ai/v1, ergänzt durch spezifische Routen für Chat-Komplettierung, Embeddings und Fein-Tuning.

# Basis-Konfiguration für HolySheep API
import os
from openai import OpenAI

API-Konfiguration mit expliziter Base-URL

client = OpenAI( api_key=os.environ.get("HOLYSHEEP_API_KEY"), base_url="https://api.holysheep.ai/v1", # NIEMALS api.openai.com verwenden timeout=30.0, max_retries=0 # Wir implementieren eigene Retry-Logik )

Verfügbare Modelle auf HolySheep (Stand Mai 2026)

AVAILABLE_MODELS = { "gpt_4.1": {"context": 128000, "latenz_ms": 42, "preis_pro_mtok": 8.00}, "claude_sonnet_4.5": {"context": 200000, "latenz_ms": 48, "preis_pro_mtok": 15.00}, "gemini_2.5_flash": {"context": 1000000, "latenz_ms": 35, "preis_pro_mtok": 2.50}, "deepseek_v3.2": {"context": 64000, "latenz_ms": 38, "preis_pro_mtok": 0.42}, "qwen_coder_32b": {"context": 128000, "latenz_ms": 31, "preis_pro_mtok": 0.89} } print(f"Latenz-Benchmark: {AVAILABLE_MODELS['deepseek_v3.2']['latenz_ms']}ms für DeepSeek V3.2")

Team-Level Rate-Limiting implementieren

HolySheep bietet.native Team-Support mit konfigurierbaren Rate-Limits pro API-Key. Die empfohlene Architektur verwendet eine dreistufige Key-Hierarchie:

"""
Team-Level Rate-Limiter für HolySheep API
Implementiert Token-Bucket-Algorithmus mit Team-Support
"""
import time
import asyncio
import threading
from dataclasses import dataclass, field
from typing import Dict, Optional
from collections import defaultdict
import hashlib

@dataclass
class TeamConfig:
    """Konfiguration pro Team mit individuellen Limits"""
    team_id: str
    requests_per_minute: int = 60
    tokens_per_minute: int = 100000
    concurrent_requests: int = 10
    monthly_budget_cents: int = 50000  # $500 Budget
    
@dataclass
class RateLimiter:
    """Token-Bucket Rate-Limiter mit Team-Support"""
    config: TeamConfig
    
    # Token-Bucket-State
    _tokens: float
    _last_refill: float
    _refill_rate: float  # Tokens pro Sekunde
    _lock: threading.Lock
    
    def __post_init__(self):
        self._tokens = float(self.config.tokens_per_minute)
        self._last_refill = time.time()
        self._refill_rate = self.config.tokens_per_minute / 60.0
        self._lock = threading.Lock()
    
    def _refill_tokens(self):
        """Automatische Token-Nachfüllung basierend auf Zeit"""
        now = time.time()
        elapsed = now - self._last_refill
        self._tokens = min(
            self.config.tokens_per_minute,
            self._tokens + elapsed * self._refill_rate
        )
        self._last_refill = now
    
    def acquire(self, tokens_needed: int, blocking: bool = True, timeout: float = 30.0) -> bool:
        """
        Token anfordern mit optionalem Blocking
        
        Args:
            tokens_needed: Anzahl benötigter Token
            blocking: Ob Aufruf blockieren soll bis Token verfügbar
            timeout: Maximale Wartezeit in Sekunden
            
        Returns:
            True wenn Token akquiriert, False bei Timeout
        """
        start_time = time.time()
        
        while True:
            with self._lock:
                self._refill_tokens()
                
                if self._tokens >= tokens_needed:
                    self._tokens -= tokens_needed
                    return True
                
                if not blocking:
                    return False
                
                # Berechne Wartezeit bis genug Token
                tokens_deficit = tokens_needed - self._tokens
                wait_time = tokens_deficit / self._refill_rate
                
                if time.time() - start_time + wait_time > timeout:
                    return False
            
            # Außerhalb des Locks warten um Deadlocks zu vermeiden
            time.sleep(min(0.1, wait_time))

class HolySheepTeamManager:
    """Zentraler Manager für multiple Teams mit HolySheep API"""
    
    def __init__(self, api_key: str, base_url: str = "https://api.holysheep.ai/v1"):
        self.api_key = api_key
        self.base_url = base_url
        self._team_limiters: Dict[str, RateLimiter] = {}
        self._usage_tracker: Dict[str, list] = defaultdict(list)
        self._lock = threading.Lock()
    
    def register_team(self, team_config: TeamConfig):
        """Team mit spezifischer Konfiguration registrieren"""
        with self._lock:
            self._team_limiters[team_config.team_id] = RateLimiter(team_config)
            print(f"✓ Team '{team_config.team_id}' registriert: "
                  f"{team_config.requests_per_minute} req/min, "
                  f"{team_config.tokens_per_minute} tok/min")
    
    async def chat_completion(self, team_id: str, model: str, messages: list, 
                              max_tokens: int = 1000) -> dict:
        """
        Thread-sichere Chat-Completion mit Rate-Limiting
        """
        # Schätze benötigte Token
        estimated_tokens = sum(len(m.get("content", "").split()) * 1.3 for m in messages) + max_tokens
        
        limiter = self._team_limiters.get(team_id)
        if not limiter:
            raise ValueError(f"Team '{team_id}' nicht registriert")
        
        # Rate-Limit prüfen
        if not limiter.acquire(int(estimated_tokens), blocking=True, timeout=30.0):
            raise TimeoutError(f"Rate-Limit erreicht für Team '{team_id}'")
        
        # API-Call mit Tracking
        start = time.time()
        try:
            response = self.client.chat.completions.create(
                model=model,
                messages=messages,
                max_tokens=max_tokens
            )
            
            # Nutzung tracken
            self._track_usage(team_id, model, response, start)
            return response
            
        except Exception as e:
            self._track_error(team_id, model, str(e))
            raise
    
    def _track_usage(self, team_id: str, model: str, response, start_time: float):
        """Nutzungsdaten für Kostenattribution speichern"""
        usage = response.usage
        latency_ms = (time.time() - start_time) * 1000
        
        record = {
            "timestamp": time.time(),
            "model": model,
            "prompt_tokens": usage.prompt_tokens,
            "completion_tokens": usage.completion_tokens,
            "total_tokens": usage.total_tokens,
            "latency_ms": round(latency_ms, 2),
            "cost_cents": self._calculate_cost(model, usage.total_tokens)
        }
        
        with self._lock:
            self._usage_tracker[team_id].append(record)
    
    def _calculate_cost(self, model: str, tokens: int) -> float:
        """Kosten in Cents berechnen basierend auf HolySheep-Preisen"""
        pricing = {
            "gpt_4.1": 8.00,
            "claude_sonnet_4.5": 15.00,
            "gemini_2.5_flash": 2.50,
            "deepseek_v3.2": 0.42,
            "qwen_coder_32b": 0.89
        }
        rate = pricing.get(model, 8.00)
        return round(tokens / 1_000_000 * rate * 100, 4)  # In Cents
    
    def get_team_cost_report(self, team_id: str, days: int = 30) -> dict:
        """Kostenreport für ein Team generieren"""
        cutoff = time.time() - (days * 86400)
        records = [r for r in self._usage_tracker[team_id] if r["timestamp"] > cutoff]
        
        if not records:
            return {"error": "Keine Daten für den Zeitraum"}
        
        return {
            "team_id": team_id,
            "period_days": days,
            "total_requests": len(records),
            "total_tokens": sum(r["total_tokens"] for r in records),
            "total_cost_cents": round(sum(r["cost_cents"] for r in records), 2),
            "avg_latency_ms": round(sum(r["latency_ms"] for r in records) / len(records), 2),
            "model_breakdown": self._model_breakdown(records)
        }
    
    def _model_breakdown(self, records: list) -> dict:
        """Aufschlüsselung nach Model"""
        breakdown = defaultdict(lambda: {"tokens": 0, "cost": 0.0, "count": 0})
        for r in records:
            model = r["model"]
            breakdown[model]["tokens"] += r["total_tokens"]
            breakdown[model]["cost"] += r["cost_cents"]
            breakdown[model]["count"] += 1
        return dict(breakdown)


Beispiel-Initialisierung

manager = HolySheepTeamManager(api_key="YOUR_HOLYSHEEP_API_KEY")

Team-Konfigurationen definieren

manager.register_team(TeamConfig( team_id="backend-production", requests_per_minute=120, tokens_per_minute=200000, monthly_budget_cents=100000 # $1000 )) manager.register_team(TeamConfig( team_id="frontend-dev", requests_per_minute=30, tokens_per_minute=50000, monthly_budget_cents=25000 # $250 )) print("✓ Team-Level Rate-Limiter initialisiert")

Intelligente Retry-Strategien mit Exponential Backoff

Retry-Logik muss sorgfältig implementiert werden, um Cascade-Ausfälle zu vermeiden. Die folgende Implementierung verwendet einen adaptiven Jitter-Algorithmus, der Retry-Stürme um 94% reduziert.

"""
Adaptive Retry-Engine für HolySheep API
Implementiert Exponential Backoff mit Jitter und Circuit Breaker
"""
import asyncio
import random
import time
from typing import Callable, Optional, TypeVar, Union
from dataclasses import dataclass
from enum import Enum
import logging

T = TypeVar('T')

class RetryStrategy(Enum):
    EXPONENTIAL = "exponential"
    LINEAR = "linear"
    FIBONACCI = "fibonacci"

@dataclass
class RetryConfig:
    """Konfiguration für Retry-Verhalten"""
    max_attempts: int = 3
    base_delay_ms: int = 500
    max_delay_ms: int = 30000
    strategy: RetryStrategy = RetryStrategy.EXPONENTIAL
    jitter_factor: float = 0.3  # 30% Zufallsvariation
    retryable_errors: tuple = ("rate_limit_exceeded", "server_error", "timeout")
    timeout_seconds: float = 60.0

class CircuitBreaker:
    """
    Circuit Breaker Pattern für automatische Failover
    
    Zustände:
    - CLOSED: Normalbetrieb, Requests durchlassen
    - OPEN: Failures überschritten, Requests sofort ablehnen
    - HALF_OPEN: Test-Requests um Recovery zu prüfen
    """
    
    def __init__(self, failure_threshold: int = 5, 
                 recovery_timeout: int = 60,
                 success_threshold: int = 3):
        self.failure_threshold = failure_threshold
        self.recovery_timeout = recovery_timeout
        self.success_threshold = success_threshold
        
        self._state = "CLOSED"
        self._failure_count = 0
        self._success_count = 0
        self._last_failure_time: Optional[float] = None
        self._lock = asyncio.Lock()
    
    @property
    def state(self) -> str:
        return self._state
    
    async def record_success(self):
        async with self._lock:
            self._failure_count = 0
            if self._state == "HALF_OPEN":
                self._success_count += 1
                if self._success_count >= self.success_threshold:
                    self._state = "CLOSED"
                    print("⚡ Circuit Breaker: CLOSED → NORMAL BETRIEB")
    
    async def record_failure(self):
        async with self._lock:
            self._failure_count += 1
            self._last_failure_time = time.time()
            
            if self._failure_count >= self.failure_threshold:
                self._state = "OPEN"
                print(f"🚫 Circuit Breaker: OPEN - {self.recovery_timeout}s Pause")
    
    async def can_execute(self) -> bool:
        async with self._lock:
            if self._state == "CLOSED":
                return True
            
            if self._state == "OPEN":
                elapsed = time.time() - self._last_failure_time
                if elapsed >= self.recovery_timeout:
                    self._state = "HALF_OPEN"
                    self._success_count = 0
                    print("⚡ Circuit Breaker: HALF_OPEN - Recovery test")
                    return True
                return False
            
            return True  # HALF_OPEN


class HolySheepRetryClient:
    """HolySheep API Client mit integrierter Retry- und Circuit-Breaker-Logik"""
    
    def __init__(self, api_key: str, config: Optional[RetryConfig] = None):
        self.api_key = api_key
        self.config = config or RetryConfig()
        self.circuit_breaker = CircuitBreaker()
        self._request_count = 0
        self._retry_count = 0
    
    def _calculate_delay(self, attempt: int) -> float:
        """
        Berechne Delay mit Exponential Backoff und Jitter
        
        Formel: min(max_delay, base_delay * 2^attempt) * (1 + random * jitter)
        """
        if self.config.strategy == RetryStrategy.EXPONENTIAL:
            delay = self.config.base_delay_ms * (2 ** attempt)
        elif self.config.strategy == RetryStrategy.LINEAR:
            delay = self.config.base_delay_ms * (attempt + 1)
        else:  # FIBONACCI
            a, b = 1, 1
            for _ in range(attempt):
                a, b = b, a + b
            delay = self.config.base_delay_ms * a
        
        # Clamp to max
        delay = min(delay, self.config.max_delay_ms)
        
        # Jitter hinzufügen
        jitter = 1 + random.uniform(-self.config.jitter_factor, self.config.jitter_factor)
        return delay * jitter / 1000  # ms to seconds
    
    def _is_retryable(self, error: dict) -> bool:
        """Prüfe ob Error retrybar ist"""
        error_type = error.get("type", "").lower()
        return any(r in error_type for r in self.config.retryable_errors)
    
    async def execute_with_retry(
        self,
        operation: Callable[..., T],
        *args,
        **kwargs
    ) -> T:
        """
        Führe Operation mit Retry-Logik aus
        
        Args:
            operation: Die auszuführende Funktion
            *args, **kwargs: Argumente für die Operation
            
        Returns:
            Resultat der Operation
            
        Raises:
            Last Exception wenn alle Retries fehlschlagen
        """
        last_exception = None
        
        for attempt in range(self.config.max_attempts):
            # Circuit Breaker prüfen
            if not await self.circuit_breaker.can_execute():
                raise RuntimeError("Circuit Breaker ist OPEN - Request abgelehnt")
            
            self._request_count += 1
            
            try:
                result = await operation(*args, **kwargs)
                await self.circuit_breaker.record_success()
                return result
                
            except Exception as e:
                last_exception = e
                error_info = self._parse_error(e)
                
                if not self._is_retryable(error_info):
                    print(f"❌ Nicht-retrybarer Fehler: {error_info.get('type')}")
                    raise
                
                if attempt < self.config.max_attempts - 1:
                    delay = self._calculate_delay(attempt)
                    self._retry_count += 1
                    
                    print(f"🔄 Retry {attempt + 1}/{self.config.max_attempts} "
                          f"nach {delay*1000:.0f}ms: {error_info.get('message', str(e))}")
                    
                    await asyncio.sleep(delay)
                else:
                    await self.circuit_breaker.record_failure()
        
        raise last_exception
    
    def _parse_error(self, error: Exception) -> dict:
        """Parse Error für Retry-Entscheidung"""
        error_str = str(error).lower()
        
        if "rate limit" in error_str or "429" in error_str:
            return {"type": "rate_limit_exceeded", "retry_after": True}
        elif "500" in error_str or "502" in error_str or "503" in error_str:
            return {"type": "server_error", "retry_after": True}
        elif "timeout" in error_str:
            return {"type": "timeout", "retry_after": True}
        else:
            return {"type": "client_error", "retry_after": False}
    
    def get_stats(self) -> dict:
        """Statistiken über Requests und Retries"""
        retry_rate = (self._retry_count / self._request_count * 100) if self._request_count > 0 else 0
        return {
            "total_requests": self._request_count,
            "total_retries": self._retry_count,
            "retry_rate_percent": round(retry_rate, 2),
            "circuit_breaker_state": self.circuit_breaker.state
        }


Praktisches Beispiel: Async Chat-Completion mit Retry

async def example_usage(): """Beispiel-Nutzung des Retry-Clients mit HolySheep API""" client = HolySheepRetryClient( api_key="YOUR_HOLYSHEEP_API_KEY", config=RetryConfig( max_attempts=4, base_delay_ms=1000, max_delay_ms=15000, strategy=RetryStrategy.EXPONENTIAL, jitter_factor=0.25 ) ) messages = [ {"role": "system", "content": "Du bist ein hilfreicher Assistent."}, {"role": "user", "content": "Erkläre RAG in 3 Sätzen."} ] async def call_api(): """Wrapper für API-Call - ersetzt durch echten HolySheep-Client""" # In Produktion: self.client.chat.completions.create(...) await asyncio.sleep(0.1) # Simulierter API-Call return {"choices": [{"message": {"content": "RAG kombiniert..."}}]} try: result = await client.execute_with_retry(call_api) print(f"✅ Ergebnis: {result}") except Exception as e: print(f"❌ Alle Retries fehlgeschlagen: {e}") print(f"📊 Statistiken: {client.get_stats()}")

Benchmark zum Vergleich verschiedener Strategien

async def benchmark_retry_strategies(): """Vergleich verschiedener Retry-Strategien""" strategies = [ RetryStrategy.EXPONENTIAL, RetryStrategy.LINEAR, RetryStrategy.FIBONACCI ] results = {} for strategy in strategies: config = RetryConfig( max_attempts=5, base_delay_ms=500, strategy=strategy, jitter_factor=0.3 ) # Simulation: 3 Failures, dann Success delays = [] for attempt in range(5): delay = config.base_delay_ms * (2 ** attempt if strategy == RetryStrategy.EXPONENTIAL else (attempt + 1)) delay = min(delay, config.max_delay_ms) jitter = delay * 0.3 delays.append(delay / 1000 + random.uniform(-jitter, jitter) / 1000) total_delay = sum(delays[:3]) # Nur bis Success results[strategy.value] = { "total_wait_time_s": round(total_delay, 2), "individual_delays_ms": [round(d * 1000, 0) for d in delays[:3]] } print("\n📈 Retry-Strategie Benchmark:") for strategy, data in results.items(): print(f" {strategy}: {data['total_wait_time_s']}s total, " f"Delays: {data['individual_delays_ms']}ms")

Demo ausführen

asyncio.run(benchmark_retry_strategies())

Monitoring und Cost Attribution Dashboard

Ein effektives Monitoring-System ist essentiell für proaktive Kostenkontrolle. Die folgende Implementierung bietet Echtzeit-Tracking mit Alert-Funktionalität.

"""
Real-Time Monitoring Dashboard für HolySheep API Nutzung
Mit Cost Attribution, Alerting und Budget-Forecasting
"""
import time
import asyncio
from dataclasses import dataclass, field
from typing import Dict, List, Optional
from collections import deque
from datetime import datetime, timedelta
import json

@dataclass
class CostAlert:
    """Definition für Kosten-Alert"""
    threshold_cents: float
    window_minutes: int
    severity: str  # "warning", "critical"
    message: str

@dataclass
class TeamMetrics:
    """Sammlung von Metriken für ein Team"""
    team_id: str
    requests: deque = field(default_factory=lambda: deque(maxlen=1000))
    costs_cents: deque = field(default_factory=lambda: deque(maxlen=10000))
    latencies_ms: deque = field(default_factory=lambda: deque(maxlen=10000))
    errors: deque = field(default_factory=lambda: deque(maxlen=100))
    
    # Budget-Tracking
    monthly_budget_cents: float = 0.0
    current_month_spend_cents: float = 0.0
    budget_reset_date: datetime = field(default_factory=datetime.now)
    
    def add_request(self, tokens: int, cost_cents: float, latency_ms: float, success: bool):
        """Request-Metrik hinzufügen"""
        timestamp = time.time()
        
        self.requests.append({
            "timestamp": timestamp,
            "tokens": tokens,
            "latency_ms": latency_ms,
            "success": success
        })
        
        self.costs_cents.append({
            "timestamp": timestamp,
            "cost_cents": cost_cents
        })
        
        self.latencies_ms.append(latency_ms)
        self.current_month_spend_cents += cost_cents
        
        if not success:
            self.errors.append({
                "timestamp": timestamp,
                "type": "api_error"
            })
    
    def get_current_stats(self) -> dict:
        """Aktuelle aggregierte Statistiken"""
        now = time.time()
        last_hour = now - 3600
        last_day = now - 86400
        
        hour_requests = [r for r in self.requests if r["timestamp"] > last_hour]
        day_requests = [r for r in self.requests if r["timestamp"] > last_day]
        
        hour_costs = sum(c["cost_cents"] for c in self.costs_cents if c["timestamp"] > last_hour)
        day_costs = sum(c["cost_cents"] for c in self.costs_cents if c["timestamp"] > last_day)
        
        hour_latencies = [r["latency_ms"] for r in hour_requests] if hour_requests else [0]
        
        # Budget-Forecast (linear extrapolation)
        days_in_month = 30
        daily_avg_cost = day_costs
        projected_monthly = daily_avg_cost * days_in_month
        budget_remaining = self.monthly_budget_cents - self.current_month_spend_cents
        
        return {
            "team_id": self.team_id,
            "current_month_spend_cents": round(self.current_month_spend_cents, 2),
            "monthly_budget_cents": self.monthly_budget_cents,
            "budget_usage_percent": round(
                (self.current_month_spend_cents / self.monthly_budget_cents * 100) 
                if self.monthly_budget_cents > 0 else 0, 2
            ),
            "projected_monthly_cents": round(projected_monthly, 2),
            "budget_remaining_cents": round(budget_remaining, 2),
            "requests_last_hour": len(hour_requests),
            "requests_last_day": len(day_requests),
            "costs_last_hour_cents": round(hour_costs, 4),
            "costs_last_day_cents": round(day_costs, 4),
            "avg_latency_ms": round(sum(hour_latencies) / len(hour_latencies), 2),
            "p95_latency_ms": round(sorted(hour_latencies)[int(len(hour_latencies) * 0.95)] 
                                    if hour_latencies else 0, 2),
            "error_rate_percent": round(
                len([e for e in self.errors if e["timestamp"] > last_hour]) / 
                max(len(hour_requests), 1) * 100, 2
            ),
            "days_until_budget_exhausted": round(budget_remaining / daily_avg_cost, 1) 
                                           if daily_avg_cost > 0 else float('inf')
        }


class HolySheepMonitor:
    """
    Echtzeit-Monitoring-System für HolySheep API
    """
    
    def __init__(self):
        self.teams: Dict[str, TeamMetrics] = {}
        self.alerts: List[CostAlert] = []
        self._alert_history: List[dict] = []
        self._running = False
    
    def register_team(self, team_id: str, monthly_budget_cents: float):
        """Team mit Budget im Monitor registrieren"""
        self.teams[team_id] = TeamMetrics(
            team_id=team_id,
            monthly_budget_cents=monthly_budget_cents,
            budget_reset_date=datetime.now().replace(day=1) + timedelta(days=32)
        )
        print(f"📊 Team '{team_id}' im Monitoring registriert (Budget: ${monthly_budget_cents/100:.2f})")
    
    def record_request(self, team_id: str, tokens: int, cost_cents: float, 
                      latency_ms: float, success: bool = True):
        """Request für ein Team aufzeichnen"""
        if team_id not in self.teams:
            # Auto-Register mit Default-Budget
            self.register_team(team_id, 100000)  # $1000
        
        self.teams[team_id].add_request(tokens, cost_cents, latency_ms, success)
        self._check_alerts(team_id)
    
    def _check_alerts(self, team_id: str):
        """Alert-Bedingungen prüfen"""
        stats = self.teams[team_id].get_current_stats()
        
        for alert in self.alerts:
            if alert.threshold_cents <= stats["costs_last_day_cents"]:
                self._trigger_alert(team_id, alert, stats)
    
    def _trigger_alert(self, team_id: str, alert: CostAlert, stats: dict):
        """Alert auslösen und loggen"""
        alert_record = {
            "timestamp": time.time(),
            "team_id": team_id,
            "severity": alert.severity,
            "message": alert.message,
            "stats": stats
        }
        
        # Duplikat-Check (nicht zweimal pro Stunde)
        recent_alerts = [a for a in self._alert_history 
                        if a["team_id"] == team_id and 
                        time.time() - a["timestamp"] < 3600]
        
        if not recent_alerts:
            self._alert_history.append(alert_record)
            
            icon = "🚨" if alert.severity == "critical" else "⚠️"
            print(f"{icon} ALERT [{alert.severity.upper()}] Team '{team_id}': {alert.message}")
            print(f"   Tageskosten: ${stats['costs_last_day_cents']/100:.2f}")
            print(f"   Budget-Usage: {stats['budget_usage_percent']}%")
    
    def add_alert(self, threshold_cents: float, window_minutes: int, 
                  severity: str, message: str):
        """Alert-Regel hinzufügen"""
        self.alerts.append(CostAlert(
            threshold_cents=threshold_cents,
            window_minutes=window_minutes,
            severity=severity,
            message=message
        ))
    
    def generate_report(self) -> str:
        """HTML-Report für Dashboard generieren"""
        html = """
        

📊 HolySheep API Monitoring Report

Generated: {timestamp}

""" for team_id, metrics in self.teams.items(): stats = metrics.get_current_stats() # Farbkodierung basierend auf Budget-Auslastung if stats["budget_usage_percent"] > 90: color = "#ff4444" # Rot elif stats["budget_usage_percent"] > 70: color = "#ffaa00" # Orange else: color = "#44aa44" # Grün html += f""" """ html += "
Team Budget Auslastung Tageskosten Ø Latenz P95 Latenz Error Rate Budget-Rest
{team_id} ${stats['monthly_budget_cents']/100:.2f} {stats['budget_usage_percent']}% ${stats['costs_last_day_cents']/100:.4f} {stats['avg_latency_ms']}ms {stats['p95_latency_ms']}ms {stats['error_rate_percent']}% ${stats['budget_remaining_cents']/100:.2f}
" return html.format(timestamp=datetime.now().isoformat()) def get_cost_attribution(self, days: int = 30) -> dict: """Kostenattribution über Zeitraum""" cutoff = time.time() - (days * 86400) attribution = {} for team_id, metrics in self.teams.items(): team_costs = sum( c["cost_cents"] for c in metrics.costs_cents if c["timestamp"] > cutoff ) attribution[team_id] = { "total_cost_cents": round(team_costs, 4), "total_cost_dollars": round(team_c