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2026-04-25T06:20:07+08:00 https://img.uatgpt.com/articles/hero-output-formatting-control.png Output Formatting Control — JSON, Markdown, CSV, and Structured Responses https://uatgpt.com/ai-safety-responsible/prompt-injection-defense/ 2026-04-22T14:56:48+08:00 https://img.uatgpt.com/articles/hero-prompt-injection-defense.png Prompt Injection Defense — Attack Classification, Sanitization Patterns, and Defense Effectiveness Rates https://uatgpt.com/prompt-engineering/prompt-testing-methodology/ 2026-04-22T14:56:48+08:00 https://img.uatgpt.com/articles/hero-prompt-testing-methodology.png Prompt Testing Methodology — A/B Evaluation, Test Suites, and Regression Detection https://uatgpt.com/ai-development-workflows/rag-architecture-guide/ 2026-04-22T14:56:48+08:00 https://img.uatgpt.com/articles/hero-rag-architecture-guide.png RAG Architecture — Prototype to Production in Three Stages https://uatgpt.com/ai-development-workflows/rag-evaluation-framework/ 2026-04-25T06:20:07+08:00 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Strategy — Token-Window vs Semantic-Boundary Chunking, Overlap Ratio Tuning, Hierarchical and Parent-Document Retrieval, Sliding-Window Recursive-Character Patterns, and the Specific Chunking Decision That Determines RAG Quality as of 2026-04 https://uatgpt.com/prompt-engineering/structured-output-json-schema-prompt-patterns/ 2026-04-25T05:21:48+08:00 https://img.uatgpt.com/articles/hero-structured-output-json-schema-prompt-patterns.png Structured Output JSON Schema Prompt Patterns — Schema-Enforced Generation, Tool-Call vs Response-Format APIs, Retry-on-Parse-Fail Protocols, Pydantic and Zod Coercion, Nested Object Depth Limits, and the Specific Patterns That Produce Parseable JSON at 99%+ Reliability as of 2026-04 https://uatgpt.com/prompt-engineering/system-prompt-patterns/ 2026-04-22T14:56:48+08:00 https://img.uatgpt.com/articles/hero-system-prompt-patterns.png System Prompt Patterns That Actually Work https://uatgpt.com/prompt-engineering/temperature-top-p-guide/ 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