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Ryan Alexander ZhangI love persimmon.

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Journey

2026

Sep 21I bought a book about the Harness by Jianfei Zhang. I knew the author years ago from the COLA framework; he was my tutor for the DDD. I have written three perma
Sep 18Cloud Code Opus is better at coding than Codex Astra, although it is usually slower. One issue with Opus is that it adds too many comments. Codex Astra is weake
Sep 16Tibo doesn't reset the Codex today Feels too disappointed for that I have touched the weekly limit, and I can't reset any more until next week. The CEO asked me
Sep 15I reset my Codex x5 twice today! That's terrible. I'm using a high effort for design and a medium effort for coding. But it still costs quickly. So is the root
Sep 14I updated my Persimmon Template today. It is based on the arc42 quality model and the ADD (Attribute-Driven Design) to describe the NFR (Non-Functional Requirem
Sep 13I ate instant noodles with lots of chicken feet today. I hadn't had instant noodles like this in a long time. It was so good.
Jul 09I drafted a Java DDD template architecture for the AI Native project. It was still open for review. The full draft is in Java DDD 模板目标架构草稿.
Jul 06I fixed several issues last week. My Payment AI code review showed that the system requirements, observability, and audit logs were too rough. I wanted to impro
Jul 01I had questions about self-improving Skills. How should I judge whether a Skill is better, and when should I roll it back? When a log shows a Skill script being
Jun 12The backend reached a stage of completion. For CCBill on the frontend, I was considering a direct API call, the official SDK, and a redirect to the payment page
May 22I outlined unit, integration, API, smoke, and E2E tests for a mono project. I also noted an OnlyFans API sandbox and backend refactor. Local development needed
May 20I compared OnlyFans API wrappers with the API list from the cai project, putting both into OpenAPI YAML. I looked at OnlyFans API Docs, OFMAPI, and UltimaScrape
Apr 14Payment progress was 4/10. For AI coding, I noted Gstack and Pencil, and the problem of reviews that did not converge. I also noted a Coding Copilot idea.
Apr 07I wanted to practice writing and meditation more deliberately.
Mar 12The Q2 goal was three agent-powered workflows in production per team. The Sorin Agentic Task still needed confirmation. For Melon, I noted questions about cross
Mar 09I worked on BaaS research and design, though I had not checked the main risks yet. I explored GitHub source-to-service, organized the APIs for Sorin's H5 fronte
Mar 01I looked at Vercel and OpenFaaS Cron for short and long jobs. serverless cron design
Feb 09At the weekly meeting, we discussed replacing Nginx Ingress with the Istio Gateway API. SigNoz was integrated, but its daemon deployment still had a problem. Ku
Jan 06I worked on the Hive backend and AI Coding Copilot. The DDD scaffold was done. Model instructions and prompts were partly done. Backend development and improvem

2025

Dec 29I refactored the base architecture to add Kafka and Spring events. The goal was to support scheduled service start and stop windows and split a long flow into s
Dec 15The application and CLI had been switched to the new IAM integration. Harbor was still not integrated with Keycloak; the plan was to revisit it during the Tence
Dec 12The architecture cleanup was about 60% done. I was removing temporary components and unused modules to make the project easier to maintain. Keycloak IAM integra
Dec 08Last week, I removed about 80% to 90% of the Go orchestration layer. I also improved the service update flow and got the core Keycloak integration working. Next
Dec 05I saved before and after snapshots of the application and orchestration layers. Before: Before After: After | Layer | Before | After | | --- | ---: | ---: | | A
Dec 01I was working on removing the Go orchestration layer from Hive. I wrote "1.8 Development Done" next to it, without more detail. Related note: 2025-11-27.
Nov 27Hive I was removing the Go orchestration layer. My notes marked the K8s, Tekton, and Knative clients under Fabric8 SDK as checked. The Harbor API under OpenAPI
Nov 18x402 Paywall I wanted to decide whether to keep working on x402 Paywall and write down why. My architecture ideas were a Cloudflare Worker that adds an X-Paywal

December 5, 2025

December 5, 2025

Log

I saved before and after snapshots of the application and orchestration layers.

Before:

Before

After:

After

Layer	Before	After
App	12228	12494
Orchestration	10828	2976

2025-12-05 — Ryan Alexander Zhang