#systems articles

CConnectedResearchersconnectedresearchers.hashnode.devAug 9 · 7 min read

Phoenix Treats Refresh Drift as a Recoverable Runtime State

The DDR5 attack works because it exposes progress, detects a missed refresh, and repairs phase instead of demanding a perfect detector. Long-running systems fail differently from short routines. A det

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DMDan Mercededanmercede.hashnode.devJul 9 · 2 min read

Schema Is a Second Surface

Short Essay · 2026-07-09 · 01:20 AM PT Claim: On a prerendered SPA, a copy reframe has to land on two independent surfaces, not one. The visible React copy auto-bakes into the crawler HTML. The head J

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DMDan Mercededanmercede.hashnode.devJul 7 · 2 min read

Vet the AI PR Fleet

Short Essay · 2026-07-07 · 02:35 PM PT Claim: Merging a queue of AI-authored pull requests is not a rubber stamp. Three failure modes hide in the queue, and each needs verify-before-you-trust, not bli

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DMDan Mercededanmercede.hashnode.devJul 6 · 2 min read

Recon vs Prior Decisions

Short Essay · 2026-07-06 · 12:20 AM PT Claim: A fresh recon-and-synthesis agent sees only live system state, not the decisions you already made about it, so it will confidently recommend something you

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DMDan Mercededanmercede.hashnode.devJul 5 · 1 min read

Cut Agent Web-Read Tokens

Experiment Log · 2026-07-05 · 03:40 PM PT Raw HTML can burn 80 percent of an agent's context. Extract-first fetching keeps only the signal. Hypothesis: Converting a page to markdown before the model

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DMDan Mercededanmercede.hashnode.devJul 5 · 3 min read

PR-Merge Train Gotchas

Short Essay · 2026-07-05 · 12:15 AM PT Claim: Merging a stack of PRs into one branch has host-side mechanics that silently skip half your queue if you script it naively. Merged fourteen PRs into one r

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DMDan Mercededanmercede.hashnode.devJul 4 · 1 min read

Benchmarks Evict Hot Models

Experiment Log · 2026-07-04 · 12:15 AM PT Hypothesis: Benchmarking a locally-served LLM is read-only and won't disturb whatever model is already loaded on the GPU. Constraint: One 24GB GPU, a single ~

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DMDan Mercededanmercede.hashnode.devJul 3 · 1 min read

Don't Index Your System of Record

Thought Snippet · 2026-07-03 · 08:40 AM PT Went to drop a PDF into an agent's knowledge vault today and hit the right instinct by accident: the vault's ingest crawler explicitly excludes its own direc

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DMDan Mercededanmercede.hashnode.devJul 1 · 2 min read

Recheck What You Rejected

Short Essay · 2026-07-01 · 12:45 AM PT Claim: A negative decision stored in an agent's memory ('we evaluated X and rejected it') is the most dangerous kind of stale fact, because it reads as settled a

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DMDan Mercededanmercede.hashnode.devJun 30 · 1 min read

A Report Is Not Recon

Short Essay · 2026-06-30 · 08:22 AM PT Claim: A research report's accuracy about the outside world does not transfer to its accuracy about your own system. The trend scan can be impeccably sourced whi

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