Opening the next: Closure, Reflection, and a New Beginning ​

December 2025

The past two weeks marked a small but meaningful Ending Phase.
During this period, I wasn’t chasing explosive productivity. Instead, I focused on wrapping up tasks I had previously opened—one by one—so I could clear space for the next stage I’m truly excited about: indie game development.

Here’s what I completed and consolidated during this cycle.

🎯 1. Algorithm Training: A Steady Rhythm ​

Algorithms remain the most stable routine I’ve kept.
Compared with before, my practice now feels more natural, less pressured, and yet more rewarding.

During the past two weeks, I:

• Continued consistent problem-solving
• Participated in virtual contests to maintain rhythm
• Went further into graph theory, dynamic programming, and search
• Noticed a real improvement in how quickly solution ideas form

Algorithms are no longer simply “for competitions.”
They’ve become a form of mental endurance training — the more I run, the steadier I get.

🪐 2. Universe Component Published ​

I redesigned and refined a commonly used work component into a reusable, general-purpose version, then successfully uploaded it to Universe.
I also completed a UI challenge on Universe during the process.

What I focused on:

• Designing for general use cases rather than business-specific scenarios

The component itself isn’t complex, but this was my first time publicly releasing and productizing one of my frontend modules.
Its value lies not in the code, but in the act of publishing it.

💰 3. Personal Finance System: From Notes to a Real Application ​

I started by keeping financial records in a simple document—crude but consistent.
The more I recorded, the clearer it became:

“Logging numbers is just input; the real value is in analysis and reflection.”

So I built a lightweight but practical personal finance system, including:

• Cash flow
• Custom categories
• A basic investment portfolio structure
• Data visualization (trend charts, monthly charts, etc.)

The frontend, data model, and charts are all functioning.
It’s not a full product yet, but it already helps me understand my financial landscape far better.
This is a milestone I’m genuinely proud of.
https://otadk.github.io/tools/finance

🧭 4. Natural Closure of Tasks (Ending Phase) ​

With these tasks wrapped up, I clearly felt that:

A certain chapter has now come to an end.

During this phase, I improved and explored across many areas—my website, automation, AI, Fastify, Universe components, tools, and algorithms.
I moved from “fragmented improvements” to a more complete technical foundation.

And now—
I want to shift my focus to something more long-term, more creative, and far more exciting:

🎮 The Next Chapter: Indie Game Development ​

Starting in December, I’ll begin a new thematic cycle:
Building my own indie game.

And I can genuinely feel that I’m ready:

• Algorithms: stronger foundations in logic and math
• Frontend: confident with design, UI, and interactions
• Backend: smooth workflows with Fastify and Node
• AI: can help generate story, dialogue, and content
• Automation & tooling: boosts development efficiency
• Aesthetics: homepage redesign & Universe work sharpened my visual sense

None of these skills were studied specifically for game development,
but all of them will help me move faster and more confidently as I build a game.

That’s why I believe—
this is the perfect moment to start the next chapter.

✨ Summary ​

These two weeks weren’t an intense sprint.
They felt more like a light and intentional ending ritual:

Organizing
Finishing
Publishing
Reflecting
Closing

I gathered all the open threads and tied them together into a complete chapter.

Starting next issue—
the main theme will shift to indie game development, marking the beginning of a new story.

This is an Ending, but also an Opening.

I will no longer continue updating here.
My new website is https://gjf8.com.
If you want to reach me, feel free to email 1647751528@qq.com.