Elena' s AI Blog

A series is a collection of related posts published over time that explore a topic step by step. On this site, series are used for topics that benefit from depth, structure, and gradual learning — such as developer tools, workflows, and emerging technologies — while still allowing each post to stand on its own.

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Production Hardening: Idempotency, Run Isolation, and Crash Safety


Elena Daehnhardt ·

LangGraph replays a node from the start every time it resumes after an interrupt, so a `finalized` flag alone cannot stop a side effect from firing twice. Here's how stable run identity, atomic file writes, and operation-level idempotency keys turn a crash into a tested recovery path instead of a corrupted report. Read more...

Connecting Codex CLI, Cursor, and Antigravity via MCP


Elena Daehnhardt ·

I was maintaining three separate integrations — one each for Codex CLI, Cursor, and Antigravity — until I moved them all behind a single shared MCP server. Here's how one LangGraph orchestrator now serves every client without duplicating approval, file-writing, or retry logic. Read more...

Codex CLI Part 4: Advanced Operations, Troubleshooting, and Team Patterns


Elena Daehnhardt ·

Part 4 closes the Codex CLI series with advanced operational patterns: non-interactive automation, permission strategy, troubleshooting playbooks, and team-level standards for reliable adoption. Read more...

Codex CLI Part 3: Practical Workflows for Blogging and Python Development


Elena Daehnhardt ·

A practical, high-depth guide to using Codex CLI for blog editing and Python delivery: review loops, safe refactoring, debugging, and non-interactive automation with explicit guardrails. Read more...

My Inbox Is a Black Hole (and How I Escaped It)


Elena Daehnhardt ·

47,000 unread emails, a cosmic quantity of newsletters, and one determined person with Gmail search operators and a plan. Here is how I escaped the inbox black hole — manually, intelligently, and sometimes with AI help. Read more...

Codex CLI Part 2 — Security Controls & Safe Editing


Elena Daehnhardt ·

Learn how Codex CLI balances permissions and approvals to keep you in control. Master essential commands like /diff and /review, understand the three security modes, and make your first safe code edits with full visibility. Read more...

Getting Started with Codex CLI


Elena Daehnhardt ·

Learn what Codex CLI is, how to install it on Mac, Linux, and Windows, and take your first steps with this AI coding assistant that runs in your terminal. Read more...

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