Mastodawn

⭐️ Had a lot of questions on & offline about how I start a new project using Codex, so here is what I do every time:

• I create a new iOS -> Universal App (Basic) using this Xcode template: https://github.com/steventroughtonsmith/appleuniversal-xctemplates
• I add my AppleUniversalCore package: https://github.com/steventroughtonsmith/appleuniversalcore
• I drop in the latest version of my CodingStyle.md: https://gist.github.com/steventroughtonsmith/ee58b8c7fe6557a073ac792bcb891267

And then the starter prompt, some variation of:

"Please read the CodingStyle document here, and familiarize yourself with the project structure"

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Steve Troughton-Smith Mar 10

Also as of the time of writing, I'm using the GPT-5.3-Codex model at Medium, for everything, and my model tone set to Pragmatic (instead of Friendly).

I did not have a great experience with GPT-5.4 and I don't recommend it (it's not a model specific to coding anyway) — it would rather discuss things with you, like ChatGPT, than write code, and it really frustrated me. It might work for you.

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Steve Troughton-Smith

Then "I wish to experiment with some new UI here. I want a two-column UI. One column, is 400pt wide. The other column, has an image view with user interaction and drag and drop. The first column should have four different histogram views, stacked vertically. Each one should provide a different representation of the histogram from the image dropped in the large view. I'm thinking individual r g b histograms like Premier's Lumetri Scopes — waveform, vectorscope, parade and histogram. [ … ] Thanks"

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GK Mar 10

@stroughtonsmith