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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | 46x 46x 46x 46x 46x 46x 46x 46x 46x 46x 46x 46x 46x 46x 46x | import { Entity, Column, Index } from 'typeorm';
import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
import { BaseEntity } from '../core-entities/base.entity';
/**
* LlmCallLog records every request made to an LLM provider.
*
* Each log captures:
* - Request details (provider, model, request body)
* - Response details (response body, status code, latency)
* - Token usage (input, output, cached tokens)
* - Error information if the request failed
*
* Use these logs to:
* - Monitor LLM usage and costs
* - Debug failed requests
* - Analyze token consumption patterns
* - Track latency across providers
*/
@Entity('llm_call_logs')
@Index('IDX_llm_call_logs_created_at', ['created_at'])
export class LlmCallLog extends BaseEntity {
@ApiPropertyOptional({
description: 'UUID of the session input that triggered this call',
format: 'uuid',
})
@Index()
@Column({ type: 'varchar', nullable: true })
session_input_id: string | null;
@ApiProperty({
description: 'LLM provider used for this request',
enum: ['zai', 'openrouter', 'gemini', 'alibaba', 'ollama', 'openai'],
example: 'gemini',
})
@Index()
@Column({ type: 'text' })
provider: 'zai' | 'openrouter' | 'gemini' | 'alibaba' | 'ollama' | 'openai';
@ApiProperty({
description: 'Model identifier used for this request',
example: 'gemini-2.0-flash',
})
@Index()
@Column({ type: 'text' })
model_id: string;
@ApiProperty({
description: 'Full request body sent to the provider (JSON string)',
})
@Column({ type: 'text' })
request_body: string;
@ApiPropertyOptional({
description: 'Full response body received from the provider',
})
@Column({ type: 'text', nullable: true })
response_body: string | null;
@ApiPropertyOptional({
description: 'HTTP status code of the response',
example: 200,
})
@Index()
@Column({ type: 'integer', nullable: true })
status_code: number | null;
@ApiPropertyOptional({
description: 'Request latency in milliseconds',
example: 2500,
})
@Column({ type: 'integer', nullable: true })
latency_ms: number | null;
@ApiPropertyOptional({
description: 'Number of input tokens used',
example: 5000,
})
@Column({ type: 'integer', nullable: true })
input_tokens: number | null;
@ApiPropertyOptional({
description: 'Number of output tokens generated',
example: 800,
})
@Column({ type: 'integer', nullable: true })
output_tokens: number | null;
@ApiPropertyOptional({
description: 'Number of cached tokens used (for context caching)',
example: 3000,
})
@Column({ type: 'integer', nullable: true })
cached_tokens: number | null;
@ApiPropertyOptional({
description: 'Error message if the request failed',
})
@Column({ type: 'text', nullable: true })
error_message: string | null;
}
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