●FORK — Claude Code 2.1.212 changes what /fork does: it copies your conversation into a new background session with its own row in claude agents, so you can keep working. The old in-session subagent is now /subtask●LIMITS — WebSearch calls are now capped at 200 per session by default, and subagent spawns get the same 200 ceiling, so a runaway search or delegation loop stops on its own●MCPBG — MCP tool calls running past two minutes now move to the background automatically, keeping the session usable. Tune the threshold with CLAUDE_CODE_MCP_AUTO_BACKGROUND_MS●PLANFIX — Fixed plan mode auto-running file-modifying Bash commands such as touch and rm without a permission prompt or an SDK canUseTool callback●SONNET5 — Claude Sonnet 5 is running on introductory pricing of $2 per million input tokens and $10 per million output. After August 31 it moves to $3 and $15●IPO — Bankers are reportedly lining up investor meetings for Anthropic ahead of a possible public listing as soon as October●FORK — Claude Code 2.1.212 changes what /fork does: it copies your conversation into a new background session with its own row in claude agents, so you can keep working. The old in-session subagent is now /subtask●LIMITS — WebSearch calls are now capped at 200 per session by default, and subagent spawns get the same 200 ceiling, so a runaway search or delegation loop stops on its own●MCPBG — MCP tool calls running past two minutes now move to the background automatically, keeping the session usable. Tune the threshold with CLAUDE_CODE_MCP_AUTO_BACKGROUND_MS●PLANFIX — Fixed plan mode auto-running file-modifying Bash commands such as touch and rm without a permission prompt or an SDK canUseTool callback●SONNET5 — Claude Sonnet 5 is running on introductory pricing of $2 per million input tokens and $10 per million output. After August 31 it moves to $3 and $15●IPO — Bankers are reportedly lining up investor meetings for Anthropic ahead of a possible public listing as soon as October

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Data Preprocessing

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Claude API¹ PII protection¹ privacy¹ operations¹ Claude¹ Artifacts¹ Visualizations¹ Dashboards¹ Indie Development¹

⬡ API & SDK/2026-06-01Advanced

Before You Send Reviews and Crash Logs to the Claude API: A Reversible PII Masking Design

When you run App Store reviews and Crashlytics logs through the Claude API, the personal data buried in the text is unavoidable. Here is a reversible masking design that lets you trace the model's output back to the real record, plus the pitfalls I hit in production, with code.

◉ Claude AI/2026-03-21Advanced

Building Dashboards with Claude Artifacts — Why I Aggregate Before Pasting, and the Setup That Stuck

Claude artifacts render as React components. Working from that fact, here is how I stopped pasting raw CSVs and settled on a setup that separates preprocessing, data contracts, and refresh paths.