Ziyu Zhao (Victor) — Writing https://ziyu.mnilab.cn/writing Essays, build notes, research notes, and working technical notes. en 微电子学习工具笔记 https://ziyu.mnilab.cn/writing/microelectronics-tools https://ziyu.mnilab.cn/writing/microelectronics-tools Tue, 22 Sep 2026 00:00:00 GMT 课程工具、操作说明、官方配图与RC练习。 Note Developer Tools Embedded AI Agents A result object is not an evaluated result https://ziyu.mnilab.cn/writing/ansys-result-state-gates https://ziyu.mnilab.cn/writing/ansys-result-state-gates Sun, 17 May 2026 00:00:00 GMT Why automated ANSYS Mechanical work needs separate geometry, setup, solver-input, solved, evaluated, and credibility gates. Build Note Engineering Software CAE AI Agents Separating DNS failure from slow CDN delivery https://ziyu.mnilab.cn/writing/jetbrains-network-validation https://ziyu.mnilab.cn/writing/jetbrains-network-validation Wed, 29 Apr 2026 00:00:00 GMT A redacted remote-development download investigation that isolates resolver, redirect, edge-selection, and throughput stages. Note Systems Developer Tools Separating measured cough-model runs from the experiment plan https://ziyu.mnilab.cn/writing/coughkd-measured-baseline https://ziyu.mnilab.cn/writing/coughkd-measured-baseline Mon, 27 Apr 2026 00:00:00 GMT A subject-disjoint Coswara pipeline, compact teacher–student baselines, and the evidence boundary before any clinical or SOTA claim. Research Note Medical AI Scientific Computing What the HarmonyOS prototype could and could not verify https://ziyu.mnilab.cn/writing/harmonyos-integration-boundaries https://ziyu.mnilab.cn/writing/harmonyos-integration-boundaries Tue, 04 Aug 2026 00:00:00 GMT ArkTS UI, browser OAuth and deep links, native Mihomo libraries, VPN Extension limits, and repository-level evidence. Build Note Embedded Systems Developer Tools Why ForgeSpec keeps a typed specification between a prompt and CAD https://ziyu.mnilab.cn/writing/forgespec-assembly-spec https://ziyu.mnilab.cn/writing/forgespec-assembly-spec Sun, 24 May 2026 00:00:00 GMT Separating requirement interpretation, domain planning, deterministic CadQuery generation, and artifact validation. Build Note Engineering Software CAD AI Agents The trend survived mesh refinement; the amplitude did not https://ziyu.mnilab.cn/writing/eyelid-mesh-sensitivity https://ziyu.mnilab.cn/writing/eyelid-mesh-sensitivity Mon, 10 Aug 2026 00:00:00 GMT A three-level finite-element audit where response ordering remained stable but the absolute output missed the registered mesh-independence criterion. Research Note CAE Scientific Computing Known limits of a shared persistent terminal https://ziyu.mnilab.cn/writing/persistent-terminal-limitations https://ziyu.mnilab.cn/writing/persistent-terminal-limitations Thu, 06 Aug 2026 00:00:00 GMT Failure boundaries in shell recovery, cancellation, replay, backpressure, terminal negotiation, and interactive programs. Note Systems Developer Tools AI Agents One shell, two observers: the persistent terminal architecture https://ziyu.mnilab.cn/writing/persistent-terminal-architecture https://ziyu.mnilab.cn/writing/persistent-terminal-architecture Thu, 06 Aug 2026 00:00:00 GMT How a native broker owns one PTY or ConPTY while an agent and a human share observation and controlled input. Build Note Systems Developer Tools AI Agents What I tested in the persistent terminal broker https://ziyu.mnilab.cn/writing/persistent-terminal-validation https://ziyu.mnilab.cn/writing/persistent-terminal-validation Thu, 06 Aug 2026 00:00:00 GMT Observed Windows and Linux checks for PTY lifecycle, authenticated IPC, state persistence, cancellation, replay, and human takeover. Build Note Systems Developer Tools AI Agents When a parameter sweep cannot identify its own model https://ziyu.mnilab.cn/writing/iop-parameter-identifiability https://ziyu.mnilab.cn/writing/iop-parameter-identifiability Thu, 06 Aug 2026 00:00:00 GMT Why independent endpoints for most eyelid thicknesses cannot support thickness-specific rational calibration parameters. Research Note CAE Scientific Computing A narrow Mechanical delivery protocol https://ziyu.mnilab.cn/writing/mechanical-mvp-protocol https://ziyu.mnilab.cn/writing/mechanical-mvp-protocol Mon, 01 Jun 2026 00:00:00 GMT A stepwise Discovery-to-Workbench-to-Mechanical path with explicit success signals and recovery actions. Build Note Engineering Software CAE AI Agents A T-Rex runner on a 16×2 character LCD https://ziyu.mnilab.cn/writing/stm32-lcd-trex https://ziyu.mnilab.cn/writing/stm32-lcd-trex Mon, 01 Jun 2026 00:00:00 GMT Timer-driven game state, interrupt input, and eight CGRAM slots on an STM32F446. Build Note Embedded Failure taxonomy for automated Mechanical handoffs https://ziyu.mnilab.cn/writing/mechanical-failure-taxonomy https://ziyu.mnilab.cn/writing/mechanical-failure-taxonomy Mon, 01 Jun 2026 00:00:00 GMT Seven ways an ANSYS workflow can look complete while its solver, evaluation, delivery, or exported evidence is still incomplete. Note Engineering Software CAE AI Agents