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Loop Engineering turns AI agents into iterative systems: plan, execute, test, refine, and stop when conditions are met. The key is safe design—isolated workspaces, roles, tools, memory, and guardrails. Read more : https://injoys.com/en/articles/loop-engineering-concept-components #LLMOps

AI investing may be moving past the obvious GPU trade. One takeaway: watch the next bottlenecks—power, cooling, data centers, cloud operations, and chip substrates—then test the numbers before chasing momentum. Read more : https://injoys.com/en/articles/ai-semiconductor-next-investment-framework #AI #Investing

Claude API docs are easier with runnable code. Anthropic’s Claude Cookbooks include Jupyter examples for RAG, summarization, classification, chatbots, and PDF/image workflows—best adapted to your own data. Read more : https://injoys.com/en/articles/claude-cookbooks-api-examples-guide #ClaudeAPI

July brings new National Pension limits: the standard monthly income cap rises to 6.59M won and the floor to 410K won. At the 9.5% rate, the max monthly contribution is 626,050 won. Read more : https://injoys.com/en/articles/national-pension-premium-july-income-ceiling-floor-rate #Pension #RetirementPlanning

VAT is money you collect, not money you keep. The article breaks down the core formula for general taxpayers: output tax − deductible input tax = VAT payable, plus what “supply price” vs. “consideration” means. Read more : https://injoys.com/en/articles/what-is-value-added-tax-vat-korea #VAT #TaxFiling

2026 VAT filings get stricter: fraudulent tax invoice surcharges rise to 4%, and media creators must submit cash sales statements or risk a 1% surcharge on unreported amounts. Read more : https://injoys.com/en/articles/2026-vat-changes-korea-business-guide #VAT #TaxFiling