{"components":{"schemas":{"Error":{"description":"Error is returned when a handler encounters an error. It contains a simple error message that the developer can customize.","properties":{"message":{"description":"Error message (e.g., 'user not found', 'database connection failed')","type":"string"}},"type":"object"},"FieldViolation":{"description":"FieldViolation describes a single validation error for a specific field.","properties":{"description":{"description":"Human-readable description of the validation violation (e.g., 'must be a valid email address', 'required field missing')","type":"string"},"field":{"description":"The field path that failed validation (e.g., 'user.email' for nested fields). For header validation, this will be the header name (e.g., 'X-API-Key')","type":"string"}},"required":["field","description"],"type":"object"},"SummarizeArticleRequest":{"description":"SummarizeArticleRequest specifies parameters for LLM article summarization.","properties":{"geoContext":{"description":"Geographic signal context to include in the prompt.","type":"string"},"headlines":{"items":{"description":"Headlines to summarize (max 8 used).","minItems":1,"type":"string"},"minItems":1,"type":"array"},"lang":{"description":"Output language code, default \"en\".","type":"string"},"mode":{"description":"Summarization mode: \"brief\", \"analysis\", \"translate\", \"\" (default).","type":"string"},"provider":{"description":"LLM provider: \"ollama\", \"groq\", \"openrouter\"","minLength":1,"type":"string"},"variant":{"description":"Variant: \"full\", \"tech\", or target language for translate mode.","type":"string"}},"required":["provider"],"type":"object"},"SummarizeArticleResponse":{"description":"SummarizeArticleResponse contains the LLM summarization result.","properties":{"cached":{"description":"Whether the result came from Redis cache.","type":"boolean"},"error":{"description":"Error message if the request failed.","type":"string"},"errorType":{"description":"Error type/name (e.g. \"TypeError\").","type":"string"},"fallback":{"description":"Whether the client should try the next provider in the fallback chain.","type":"boolean"},"model":{"description":"Model identifier used for generation.","type":"string"},"provider":{"description":"Provider that produced the result (or \"cache\").","type":"string"},"reason":{"description":"Human-readable skip/error reason.","type":"string"},"skipped":{"description":"Whether this provider was skipped (credentials missing).","type":"boolean"},"summary":{"description":"The generated summary text.","type":"string"},"tokens":{"description":"Token count from the LLM response.","format":"int32","type":"integer"}},"type":"object"},"ValidationError":{"description":"ValidationError is returned when request validation fails. It contains a list of field violations describing what went wrong.","properties":{"violations":{"description":"List of validation violations","items":{"$ref":"#/components/schemas/FieldViolation"},"type":"array"}},"required":["violations"],"type":"object"}}},"info":{"title":"NewsService API","version":"1.0.0"},"openapi":"3.1.0","paths":{"/api/news/v1/summarize-article":{"post":{"description":"SummarizeArticle generates an LLM summary with provider selection and fallback support.","operationId":"SummarizeArticle","requestBody":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/SummarizeArticleRequest"}}},"required":true},"responses":{"200":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/SummarizeArticleResponse"}}},"description":"Successful response"},"400":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/ValidationError"}}},"description":"Validation error"},"default":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/Error"}}},"description":"Error response"}},"summary":"SummarizeArticle","tags":["NewsService"]}}}}