Automating Blog Thumbnails with a Codex Subscription, Without API Credits
While building the INERIT blog, I connected the built-in image generation of the Codex subscription to an internal API. This post outlines thumbnail automation without using…
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Dev notes
Services I build and run, and the problems I solve along the way.
When an Agent Says It “Called a Tool,” What Should You Check
The agent’s completion sentence and the actual tool execution differ. By separating invocation events, executor results, and external state validation to diagnose failures, one…
Using the Same Authentication Server Does Not Complete SSO
This post examines the separation of central authentication, service sessions, usage approvals, and logout intentions, following the linkage of authentication between INERIT…
AI Digest
Articles researched and written with AI, with links to original sources.
Seocheon Half-Price Travel: The 50% Cashback Can Only Be Spent in ‘Seocheon’
The "50% travel expense rebate" referred to in the Seochun Half-Price Travel program is not an instant discount applied at the time of card payment. Tourism spending at local…
How to Distinguish Between Oversupply and Lack of Demand in "Low Prices" on Market Price Charts
When trading items in Albion Online, players typically start by opening a market comparison site to check prices side by side across cities. If they see a significant price…
SEC Opens the Door to “Blockchain Stocks,” but Why Were Robinhood Tokens Left Out?
The U.S. Securities and Exchange Commission (SEC) announced its "Innovation Exemption" on September 17, 2026, opening a five-year pathway for select blockchain exchanges to…
Why Did Jagiru Have Two Water-Receiving Pots
The water clock Jagyeolru (自擊漏) in Joseon Dynasty palaces had two water-receiving containers, known as susuhu (受水壺), set in place for measuring time. Unlike sundials, which…
Why Do Some Buildings Feel Like a Calm Cello, While Others Resonate Like a Grand Symphony?
When people are asked to “choose an image or material that matches your mood” while listening to music, what do they select? A controlled experiment involving 176 participants,…
Incheon’s ‘1,000 Won Brokerage Fee’: The 1,000 Won Is the Remaining Balance from the Brokerage Commission
Hearing the phrase “1,000-won move” can easily lead people to assume that the entire moving process—packing, hiring a truck, and taking possession of a new room—costs just…