◉CLAUDE LABJP
●2.1.292 — Claude Code 2.1.292 (Oct 6) fixes cloud sessions dropping answers to permission prompts and the last messages of a session being lost on quit●MODELS API — The Models API now reports in capabilities whether a model accepts thinking turned off (Oct)●11/30 — 54 days until Sonnet 4.5 retires on the Claude API. Move to Sonnet 5.5, and check your thinking settings and tool_choice first●MODS — A Zenn post walks through installing Claude Code Mods safely. The real question is what to check before you install, and how to back out●NEW — When Pro looks unpaid, the screens to check depend on whether you bought on the web or in the store. I sorted that out step by step●THINKING — Sonnet 5.5 thinking blocks only work in the account that produced them. Sent from another account, they are silently dropped●2.1.292 — Claude Code 2.1.292 (Oct 6) fixes cloud sessions dropping answers to permission prompts and the last messages of a session being lost on quit●MODELS API — The Models API now reports in capabilities whether a model accepts thinking turned off (Oct)●11/30 — 54 days until Sonnet 4.5 retires on the Claude API. Move to Sonnet 5.5, and check your thinking settings and tool_choice first●MODS — A Zenn post walks through installing Claude Code Mods safely. The real question is what to check before you install, and how to back out●NEW — When Pro looks unpaid, the screens to check depend on whether you bought on the web or in the store. I sorted that out step by step●THINKING — Sonnet 5.5 thinking blocks only work in the account that produced them. Sent from another account, they are silently dropped
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model migration

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⬡ API & SDK/2026-10-07Intermediate

Before You Switch Models, Replay Your Own Call Shapes Against the Candidate for a Few Tokens

Change a model ID and the first production request is where a 400 shows up. Here is a small replay script that checks your own call shapes against a candidate model with max_tokens 16 before you switch.

⬡ API & SDK/2026-07-05Intermediate

Don't Let the Opus 4.7 Fast Mode Retirement (July 24) Kill Your Unattended Jobs

claude-opus-4-7 fast mode retires on 2026-07-24, and speed: fast starts throwing errors. Here's how to keep unattended pipelines from breaking silently: mechanically detect where fast mode is used, add a fail-closed runtime guard, and migrate to 4.8 with working code.

⬡ API & SDK/2026-07-03Advanced

A 40% Lower Price Doesn't Mean a 40% Lower Bill — Measuring the Opus 4.8 to Sonnet 5 Migration by Cost per Completed Task

Sonnet 5's intro pricing looks ~40% cheaper than Opus 4.8, yet extra tool turns can flip the math. Working TypeScript for consumption vectors, a paired-run harness, and break-even turn counts.