Writing by Liyuk on technology, work, and everyday life.https://liyuk.com/enhttps://liyuk.com/en/projects/2026/10/astro-memory-atlas/https://liyuk.com/en/projects/2026/10/astro-memory-atlas/A bilingual keepsake site template built with Astro, with a photo album, relationship timeline, yearly reviews, and place map, plus a workflow for using AI to help maintain the content.Wed, 07 Oct 2026 00:00:00 GMT2026-10-07T00:00:00.000Zprojectastrostatic-siteprivacyrelationshipspersonal-publicationhttps://liyuk.com/en/photos/monument-valley-2/https://liyuk.com/en/photos/monument-valley-2/Optical-illusion stairways, a train among the clouds, floating islands, and a cat by the water trace a new journey through Monument Valley. Thanks to Yaozi for her creativity and productivity.Tue, 29 Sep 2026 00:00:00 GMT2026-09-29T00:00:00.000Zgalleryhttps://liyuk.com/en/projects/2026/08/novel-pandonggui/https://liyuk.com/en/projects/2026/08/novel-pandonggui/A novel. Lu Zhao grew up in the Ming Cult of the Western Regions, wearing a longevity lock inscribed with "Long Life." At nineteen she is ordered to enter Tong Pass, delivering messages, guiding the way, and saving people amid the chaos of war — can an ordinary person avoid having her life decided for her by her sect, her family, and history?Fri, 14 Aug 2026 00:00:00 GMT2026-09-28T00:00:00.000Zprojectfictionnovelwork-leadershiphttps://liyuk.com/en/projects/2026/08/novel-yuanwang-zhihou/https://liyuk.com/en/projects/2026/08/novel-yuanwang-zhihou/A novel. Cradling three-month-old Shen Le, Xiban walks into the sand sea, wanting only to bring this child through the trade route alive. A wish never guarantees happiness; it only leaves the responsibility to those who come after the wish is fulfilled.Fri, 14 Aug 2026 00:00:00 GMT2026-09-28T00:00:00.000Zprojectfictionnovelwork-leadershiphttps://liyuk.com/en/projects/2026/09/engineering-decision-skills/https://liyuk.com/en/projects/2026/09/engineering-decision-skills/A proposal is due for review, three projects do not fit the next planning cycle, and another delivery is late. Five independent skills, each with an input and a concrete output you can take into a discussion.Mon, 28 Sep 2026 00:00:00 GMT2026-09-28T00:00:00.000Zprojectagenttechnical-managementdecision-makingmetricsworkflowopen-sourcehttps://liyuk.com/en/projects/2026/09/relation-forge/https://liyuk.com/en/projects/2026/09/relation-forge/Some relationships leave you uneasy, but you cannot quite say why. RelationForge can help you make sense of what happened, including your part in it.Mon, 28 Sep 2026 00:00:00 GMT2026-09-28T00:00:00.000Zprojectagentinterpersonal-analysisanti-scamprivacyworkflowhttps://liyuk.com/en/consulting/2026/09/product-engineer-without-boundaries/https://liyuk.com/en/consulting/2026/09/product-engineer-without-boundaries/A consultation about a high-pressure blended role: looking past the schedule to the business goal, shared expectations, resources, and authority the work requires.Wed, 23 Sep 2026 00:00:00 GMT2026-09-23T00:00:00.000Zconsultingcareer-developmentengineeringproduct-thinkingoperationscommunicationcollaborationprioritizationrisk-managementhttps://liyuk.com/en/writing/2026/09/every-choice-is-a-trade/https://liyuk.com/en/writing/2026/09/every-choice-is-a-trade/A reflection on how supply and demand, entry and exit, and resource commitments connect company building with financial trading.Thu, 17 Sep 2026 00:00:00 GMT2026-09-17T00:00:00.000Zwritingdecision-makingproductstrategyreflectionrisk-managementagencyhttps://liyuk.com/en/writing/2026/08/cache-optimization-and-locality/https://liyuk.com/en/writing/2026/08/cache-optimization-and-locality/Using a multi-layer execution service as an example, this article breaks down the multiple levels of locality across request identity, edge routing, execution resources, and backend caches, then presents reusable approaches to routing, invalidation, failover, and observability.Fri, 28 Aug 2026 00:00:00 GMT2026-09-04T00:00:00.000Zwritingperformancesystems-designalgorithmsreliabilityobservabilityroutingtechnologyhttps://liyuk.com/en/writing/2026/08/data-center-revenue-design/https://liyuk.com/en/writing/2026/08/data-center-revenue-design/Starting from the different questions asked by analysis, operations, and engineering, this article organizes how a data center for a multi-source business platform should divide Tabs, define metrics, structure read and write paths, and handle billing, reconciliation, growth, and cost.Thu, 27 Aug 2026 00:00:00 GMT2026-09-04T00:00:00.000Zwritingdatametricssystems-designobservabilitysettlementreliabilitytechnical-planningarchitecturerisk-managementhttps://liyuk.com/en/writing/2026/08/distributed-architecture-is-state-ownership/https://liyuk.com/en/writing/2026/08/distributed-architecture-is-state-ownership/Starting from the fault structure of a multi-node execution system, this article reviews how requests, state, storage, performance, and failures gradually cross boundaries, and discusses how the next architecture should be reorganized.Fri, 28 Aug 2026 00:00:00 GMT2026-09-04T00:00:00.000Zwritingsystems-designarchitecturedistributed-workreliabilityobservabilitycapacity-planningtechnologyhttps://liyuk.com/en/writing/2026/08/from-request-id-to-trace-system/https://liyuk.com/en/writing/2026/08/from-request-id-to-trace-system/Starting from the observability problems of a small API service, this article distills the minimum implementation of request IDs, distributed Traces, service discovery, health monitoring, log queries, reliability, and infrastructure governance.Tue, 25 Aug 2026 00:00:00 GMT2026-09-04T00:00:00.000Zwritingobservabilityreliabilitysystemstechnologyoperationshttps://liyuk.com/en/writing/2026/09/what-ai-gateways-do/https://liyuk.com/en/writing/2026/09/what-ai-gateways-do/Using multi-backend model access as the setting, this article explains how an AI Gateway handles resource scheduling, capacity control, failure switching, distributed state, usage accounting, and enterprise cost governance.Thu, 03 Sep 2026 00:00:00 GMT2026-09-03T00:00:00.000Zwritingaiarchitecturesystems-designroutingreliabilitycapacity-planningobservabilityinterviewlearningtechnologyhttps://liyuk.com/en/writing/2026/08/configuration-driven-multi-domain-platform/https://liyuk.com/en/writing/2026/08/configuration-driven-multi-domain-platform/Content, search, commerce, and growth systems repeatedly face the same challenge across multiple countries, industries, and scenarios: how to reuse stable capabilities while keeping business expressions distinct. How should boundaries be drawn between configuration, protocols, components, and orchestration?Sat, 29 Aug 2026 00:00:00 GMT2026-08-29T00:00:00.000Zwritingarchitecturesystems-designtechnical-planningtechnologyoperationshttps://liyuk.com/en/writing/2026/08/what-i-meant-and-what-ai-wrote/https://liyuk.com/en/writing/2026/08/what-i-meant-and-what-ai-wrote/A personal reflection on using AI: it can make facts, feelings, and reasoning I already have much clearer, but it cannot replace the accumulation of knowledge or the formation of judgment. It can also leave me feeling pushed along by content and an intensified work state.Fri, 28 Aug 2026 00:00:00 GMT2026-08-28T00:00:00.000Zwritingaiwritingagencyhuman-ai-collaborationprovenancejudgmenthttps://liyuk.com/en/writing/2026/08/referral-rewards-fraud-control/https://liyuk.com/en/writing/2026/08/referral-rewards-fraud-control/Starting with referral rewards and transaction systems, this article designs reusable, auditable marketing infrastructure across campaigns, audiences, entitlements, budgets, attribution, risk, experimentation, messaging, and measurement.Thu, 27 Aug 2026 00:00:00 GMT2026-08-27T00:00:00.000Zwritingsystems-designrisk-managementanti-scamsettlementreliabilityobservabilityoperationsworkflowdataauditabilityhttps://liyuk.com/en/writing/2026/08/ai-productivity-complex-systems/https://liyuk.com/en/writing/2026/08/ai-productivity-complex-systems/Starting from a multi-system integration experience, this essay distinguishes creation, task efficiency, organizational productivity, and business value—and asks where value and cost actually come from when AI enters a complex system.Wed, 26 Aug 2026 00:00:00 GMT2026-08-26T00:00:00.000Zwritingaideveloper-productivitysystemssystems-designarchitecturemetricsobservabilitytechnical-planningstrategyhttps://liyuk.com/en/consulting/2026/08/turning-ai-into-business-value/https://liyuk.com/en/consulting/2026/08/turning-ai-into-business-value/An edited consultation about an FDE conference, technical communication, and AI’s business value: when owners care about revenue and cost, how can technical people explain their work as a result worth testing?Wed, 26 Aug 2026 00:00:00 GMT2026-08-26T00:00:00.000Zconsultingaicommunicationproduct-thinkingstrategymetricsoperationsengineeringcareer-developmenthttps://liyuk.com/en/consulting/2026/08/newcomer-without-a-map/https://liyuk.com/en/consulting/2026/08/newcomer-without-a-map/Two months in, there are requirements to deliver but no clear direction. A consultation interview about entering a new organization, business context, and how a senior engineer can begin to act.Fri, 21 Aug 2026 00:00:00 GMT2026-08-21T00:00:00.000Zconsultingcareer-developmentonboardingorganizationnetworkauthorizationgrowthcommunicationcollaborationhttps://liyuk.com/en/projects/2026/08/dsh-skin-chatlab-upgrade/https://liyuk.com/en/projects/2026/08/dsh-skin-chatlab-upgrade/Six independently published skins, aggregate bundle loading, avatar identity convergence, partial-install fallback, and a clean uninstall boundary for DSH Web.Fri, 21 Aug 2026 00:00:00 GMT2026-08-21T00:00:00.000Zprojecttechnologyagent-systemsdeveloper-productivityhttps://liyuk.com/en/projects/2026/08/quota-router-engineering/https://liyuk.com/en/projects/2026/08/quota-router-engineering/How candidate chains, failure classification, per-turn identity, and cost formulas make multi-source model routing controllable and auditable.Fri, 21 Aug 2026 00:00:00 GMT2026-08-21T00:00:00.000Zprojectagentroutingalgorithmsreliabilityobservabilitytypescripthttps://liyuk.com/en/writing/2026/08/dsh-plugin-architecture-stability/https://liyuk.com/en/writing/2026/08/dsh-plugin-architecture-stability/A practical account of developing and debugging ChatLab, Agent Suite, and Quota Router, covering DSH plugin mechanics, common preview-version stability problems, and the boundaries that are easiest to get wrong when building plugins yourself.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingtechnologyagent-systemsdeveloper-productivityhttps://liyuk.com/en/writing/2026/08/manager-of-managers-leadership-supply/https://liyuk.com/en/writing/2026/08/manager-of-managers-leadership-supply/Hiring is not a request handed to HR or TA. Managers of managers, HRBPs, TAs, and hiring managers build a shared system for defining problems, hiring, developing, and handing off leadership responsibility.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingmanagementhiringorganizationteamleadershipplanninghttps://liyuk.com/en/writing/2026/08/people-work-money-authority/https://liyuk.com/en/writing/2026/08/people-work-money-authority/A framework for understanding how an organization distributes people decisions, problem and priority decisions, budgets, and capacity—and for seeing what a manager of managers can decide, negotiate, or escalate.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingmanagementleadershiporganizationgovernancedecision-makingstrategyhttps://liyuk.com/en/writing/2026/08/seo-content-engineering/https://liyuk.com/en/writing/2026/08/seo-content-engineering/A content supply and retirement system for keyword expansion, existing content, multilingual pages, and AI-assisted production.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingseowritingaigovernancehttps://liyuk.com/en/writing/2026/08/seo-experiments/https://liyuk.com/en/writing/2026/08/seo-experiments/A learning protocol for search delay, CUPED, page versions, and traffic incidents.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingseogrowthengineeringmetricshttps://liyuk.com/en/writing/2026/08/seo-indexing-recovery/https://liyuk.com/en/writing/2026/08/seo-indexing-recovery/A recoverable URL state machine and an incident workflow for separating submission, crawling, indexing, and algorithm context.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingseoengineeringreliabilityobservabilityhttps://liyuk.com/en/writing/2026/08/seo-links/https://liyuk.com/en/writing/2026/08/seo-links/A source-quality and referral framework that keeps third-party authority metrics separate from ranking facts.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingseobacklinksgrowthtrusthttps://liyuk.com/en/writing/2026/08/seo-rich-media/https://liyuk.com/en/writing/2026/08/seo-rich-media/A verifiable content model for structured data, images, video, and related-page context.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingseoimage-seovideo-seoarchitecturehttps://liyuk.com/en/writing/2026/08/seo-search-fundamentals/https://liyuk.com/en/writing/2026/08/seo-search-fundamentals/A project-based introduction to discovery, crawling, indexing, clicks, and business conversion.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingseoengineeringlearningsystems-thinkingmetricshttps://liyuk.com/en/writing/2026/08/seo-technical-system/https://liyuk.com/en/writing/2026/08/seo-technical-system/A page contract for identity, crawl boundaries, rendering, migrations, and Core Web Vitals.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingseoengineeringsystemsreliabilityhttps://liyuk.com/en/writing/2026/08/seo-to-geo-engineering/https://liyuk.com/en/writing/2026/08/seo-to-geo-engineering/Connect SEO page engineering, AI-search observation, and claim–evidence evaluation into a replayable loop.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingseoaiobservabilityexplainabilityinformation-architecturehttps://liyuk.com/en/writing/2026/08/seo-value-funnel/https://liyuk.com/en/writing/2026/08/seo-value-funnel/A practical value model for search, page consumption, Web2App handoff, and retention.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zwritingseogrowthengineeringmetricshttps://liyuk.com/en/projects/2026/08/astro-fourfold/https://liyuk.com/en/projects/2026/08/astro-fourfold/A static-first personal publication starter for independent authors, engineers, researchers, and creators, organizing writing, columns, projects, research, photos, and discovery into a sustainable content system.Thu, 20 Aug 2026 00:00:00 GMT2026-08-20T00:00:00.000Zprojectastrostatic-sitepersonal-publicationinformation-architectureopen-sourcehttps://liyuk.com/en/writing/2026/08/governance-boundaries-for-managers/https://liyuk.com/en/writing/2026/08/governance-boundaries-for-managers/How safety, fairness, evidence, dissent, and accountability constrain authority when managers of managers control outcomes and resources.Wed, 19 Aug 2026 00:00:00 GMT2026-08-19T00:00:00.000Zwritingleadershipmanagementorganizationrisk-managementwork-leadershiphttps://liyuk.com/en/research/2026/08/agent-hci-emotional-equilibrium/https://liyuk.com/en/research/2026/08/agent-hci-emotional-equilibrium/Based on long-task use, this paper examines how an Agent can adapt state, evidence, and action feedback to uncertainty, waiting, failure, and takeover needs, while documenting how delegated execution changes human pressure, trust, and capability boundaries.Wed, 19 Aug 2026 00:00:00 GMT2026-08-19T00:00:00.000Zresearchhciagentagencyemotiontrust-calibrationcognitive-offloadingdeskillingobservabilityhttps://liyuk.com/en/research/2026/08/agent-interface-feedback-architecture/https://liyuk.com/en/research/2026/08/agent-interface-feedback-architecture/Based on ChatLab design work, this paper records how presence, response, waiting, and delivery patterns from human collaboration can make Agent runtime states easier to understand; it is an HCI design observation about feedback, evidence, intervention, and result confirmation.Wed, 19 Aug 2026 00:00:00 GMT2026-08-19T00:00:00.000Zresearchhciagentfeedbackobservabilityrecoverabilityauthorizationhuman-ai-collaborationsystems-designhttps://liyuk.com/en/research/2026/08/model-harness-task-scheduling-context-routing/https://liyuk.com/en/research/2026/08/model-harness-task-scheduling-context-routing/This paper examines task decomposition, subtask capability classification, model selection, and bounded execution-time fallback, while reducing the broader Agent scheduling problem to an engineering slice of dsh-quota-router.Wed, 19 Aug 2026 00:00:00 GMT2026-08-19T00:00:00.000Zresearchaiagent-systemsengineeringarchitectureplanningobservabilitymeasurementsystemshttps://liyuk.com/en/projects/2026/08/quota-router/https://liyuk.com/en/projects/2026/08/quota-router/A policy-only DeepSeek Harness plugin that builds ordered, explainable, auditable model candidate chains per task and advances along them within bounded failure rules.Wed, 19 Aug 2026 00:00:00 GMT2026-08-19T00:00:00.000Zprojectagentroutingalgorithmsexplainabilityreliabilityobservabilitytypescripthttps://liyuk.com/en/writing/2026/08/manager-of-managers-management-and-authority/https://liyuk.com/en/writing/2026/08/manager-of-managers-management-and-authority/How a manager of managers can coordinate frontline managers, make cross-team choices, and use authorization and resources without taking back daily management.Mon, 17 Aug 2026 00:00:00 GMT2026-08-17T00:00:00.000Zwritingleadershipmanagementmentoringteamdecision-makingorganizationwork-leadershiphttps://liyuk.com/en/writing/2026/08/managing-managers-and-leader-profile/https://liyuk.com/en/writing/2026/08/managing-managers-and-leader-profile/Why a manager of managers is needed, what complexity the role must carry, and how to judge whether a person fits that responsibility.Mon, 17 Aug 2026 00:00:00 GMT2026-08-17T00:00:00.000Zwritingleadershipmanagementorganizationteamwork-leadershiphttps://liyuk.com/en/writing/2026/08/sustaining-frontline-managers/https://liyuk.com/en/writing/2026/08/sustaining-frontline-managers/How a manager of managers builds durable succession by transferring capability, relationships, and outcomes rather than preserving empty positions.Mon, 17 Aug 2026 00:00:00 GMT2026-08-17T00:00:00.000Zwritingleadershipmanagementgrowthteamwork-leadershiphttps://liyuk.com/en/writing/2026/08/dsh-plugin-toolbox/https://liyuk.com/en/writing/2026/08/dsh-plugin-toolbox/DSH has been out only a few days, and I've already installed nine plugins on it. Notes on what each one fills in, how it works, and which one is the most useful.Sun, 16 Aug 2026 00:00:00 GMT2026-08-16T00:00:00.000Zwritingtechnologyagent-systemsdeveloper-productivityhttps://liyuk.com/en/projects/2026/08/dsh-skin-chatlab/https://liyuk.com/en/projects/2026/08/dsh-skin-chatlab/Using a base-plus-skin architecture to give the DSH Web GUI a switchable, uninstallable Feishu-style chat skin that touches no existing plugin: workspaces become project groups, sessions become contacts, and the chat becomes bubbles.Sun, 16 Aug 2026 00:00:00 GMT2026-08-16T00:00:00.000Zprojecttechnologyagent-systemsdeveloper-productivityhttps://liyuk.com/en/writing/2025/11/technical-planning-business-and-competitive-analysis/https://liyuk.com/en/writing/2025/11/technical-planning-business-and-competitive-analysis/Technical planning is not a project list. At its core it is two things: understanding the business you serve (business analysis) and understanding the gap and level against competitors (competitive analysis), then linking them into a causal chain of goals, trade-offs, and execution.Mon, 10 Nov 2025 00:00:00 GMT2026-08-15T00:00:00.000Zwritingtechnical-planningengineering-managementstrategydecision-makingtechnologyhttps://liyuk.com/en/writing/2026/08/business-model-canvas/https://liyuk.com/en/writing/2026/08/business-model-canvas/Business Model Canvas explained through nine questions: what each box answers, how the pieces fit together, and why a project's needs change across company stages.Sat, 15 Aug 2026 00:00:00 GMT2026-08-15T00:00:00.000Zwritingstrategyproduct-thinkingdecision-makinglearninghttps://liyuk.com/en/writing/2026/08/canvas-pitch-diligence/https://liyuk.com/en/writing/2026/08/canvas-pitch-diligence/A note on a distinction: the business model canvas is 'made for yourself,' the startup pitch is 'told to others,' and investor due diligence is 'others scrutinizing you'; the three differ completely in purpose, focus, and framing — don't mix them up.Sat, 15 Aug 2026 00:00:00 GMT2026-08-15T00:00:00.000Zwritingstrategyproduct-thinkingdecision-makinglearninghttps://liyuk.com/en/writing/2026/08/management-retrospective/https://liyuk.com/en/writing/2026/08/management-retrospective/A practical management framework built from eight recurring judgments: problem definition, boundaries, alignment, context, closed loops, resources, teams, and retrospectives.Sat, 15 Aug 2026 00:00:00 GMT2026-08-15T00:00:00.000Zwritingmanagementleadershipdecision-makingwork-leadershiphttps://liyuk.com/en/writing/2026/08/structured-thinking-practice/https://liyuk.com/en/writing/2026/08/structured-thinking-practice/A hands-on companion to the Five Lenses method: four scenarios — interview, promotion, reporting, and cross-team collaboration — show how to apply the structured tools and the Five Lenses to real problems.Sat, 15 Aug 2026 00:00:00 GMT2026-08-15T00:00:00.000Zwritingthinkingproblem-framingdecision-makingcommunicationwork-leadershiphttps://liyuk.com/en/research/2026/08/connection-oriented-problem-location/https://liyuk.com/en/research/2026/08/connection-oriented-problem-location/A framework paper that advances structured thinking from the generic expression of "conclusion first, mutually exclusive and collectively exhaustive" into a four-stage problem-location method — Structure → Surface connections → Infer root problem → Find solution — with the causal, duality, dialectical, position, and interest lenses at its core, offering a testable training protocol and its boundaries of use.Sat, 15 Aug 2026 00:00:00 GMT2026-08-15T00:00:00.000Zresearchthinkingproblem-framingdecision-makingcommunicationleadershipwork-leadershipstrategyhttps://liyuk.com/en/research/2026/08/housing-price-five-year-forecast/https://liyuk.com/en/research/2026/08/housing-price-five-year-forecast/Based on the official second-hand residential price indices of 70 cities (2019–2026, 90 consecutive months with no gaps), we propose an interpretable three-component combination forecast (trend continuation / mean reversion / seasonality, with weights selected by rolling out-of-sample validation), provide five-year forecasts for the nation and Beijing, and discuss the possibility of a bottom.Sat, 15 Aug 2026 00:00:00 GMT2026-08-15T00:00:00.000Zresearchhousingforecastingtime-seriesexplainabilitychinahttps://liyuk.com/en/research/2026/08/human-motivation-situational-model/https://liyuk.com/en/research/2026/08/human-motivation-situational-model/A theoretical synthesis, conceptual model, and application framework: it redefines motivation from "whether someone has drive" into a situated process of "whether motivation is generated, whether it can be converted into behavior, and whether it can be sustained," integrating self-determination theory, expectancy-value, goal setting, self-efficacy, and behavior models; bringing in perspectives from developmental psychology, business management, and organizational and occupational psychology to propose a three-layer "Situational Motivation Model" with a "growth axis," which it concretizes in the workplace into six components — task, goal, incentive, feedback, development path, and leadership/relationship — connecting to measurable outcomes such as engagement, commitment, performance, burnout, and turnover, introducing the enterprise life cycle as an enterprise-level moderating variable, and ultimately yielding nine falsifiable laws of motivation.Sat, 15 Aug 2026 00:00:00 GMT2026-08-15T00:00:00.000Zresearchpsychologymotivationbehaviorwork-leadershipmanagementhttps://liyuk.com/en/projects/2026/08/neo-matrix/https://liyuk.com/en/projects/2026/08/neo-matrix/An OpenAI-compatible relay platform with a revenue-sharing mechanism for individual suppliers: consumers call models through one unified entry point, suppliers host idle upstream keys, and the platform handles routing, metering, settlement, and withdrawals. This article introduces the project, its mock demo, business model, financial estimates, and the risks and sunk costs that must be accepted before launch.Sat, 15 Aug 2026 00:00:00 GMT2026-08-15T00:00:00.000Zprojectai-relayapi-keyrevenue-sharingroutingsettlementhttps://liyuk.com/en/projects/2026/08/ourbook/https://liyuk.com/en/projects/2026/08/ourbook/A public-interest project started by Nankai graduates: current students and alumni write down their real college experiences to help gaokao applicants see a more three-dimensional picture of each university when filling in their preferences. By 2018 the project had been passed down for many years, with its content hosted on a third-party platform; in 2018 I rebuilt it, brought the data back in-house on a self-built site, and archived it along the way—this article also uses it to trace the 2011–2026 market for college-admissions information products.Sat, 19 May 2018 00:00:00 GMT2026-08-15T00:00:00.000Zprojecteducationpublic-goodvuepressstatic-sitecommunityhttps://liyuk.com/en/projects/2026/08/veylumi/https://liyuk.com/en/projects/2026/08/veylumi/An AI beauty decision product for users in China and the U.S.: from a single front-facing photo to explainable makeup suggestions, real products, and tutorials.Thu, 13 Aug 2026 00:00:00 GMT2026-08-15T00:00:00.000Zprojectproductaicomputer-visionprivacybeautyhttps://liyuk.com/en/photos/maomao/https://liyuk.com/en/photos/maomao/Maomao, the cat at home, sits on a chair and looks up, curiously sizing up her surroundings.Sat, 15 Aug 2026 00:00:00 GMT2026-08-15T00:00:00.000Zgalleryhttps://liyuk.com/en/writing/2012/01/network-bug/https://liyuk.com/en/writing/2012/01/network-bug/A sci-fi short written in early university: when a bug in a two-dimensional network gains three-dimensional knowledge, what it loses is not ignorance but the ability to act.Sun, 01 Jan 2012 00:00:00 GMT2026-08-14T00:00:00.000Zwritingfictionarchivefield-noteshttps://liyuk.com/en/writing/2018/04/interview-questions-archive/https://liyuk.com/en/writing/2018/04/interview-questions-archive/An index of interview and engineering fundamentals compiled after the spring 2018 job search; keeping it as a reminder that interview questions are never just interview questions.Mon, 02 Apr 2018 00:00:00 GMT2026-08-14T00:00:00.000Zwritinginterviewengineeringarchivetechnologyhttps://liyuk.com/en/writing/2018/04/product-apocalypse-one/https://liyuk.com/en/writing/2018/04/product-apocalypse-one/An old case from a Double Eleven shopping scenario: before rushing to a solution, first identify the problem the user is actually facing.Thu, 05 Apr 2018 00:00:00 GMT2026-08-14T00:00:00.000Zwritingproductproblem-framingarchivework-leadershiphttps://liyuk.com/en/writing/2018/07/frontend-first-ride/https://liyuk.com/en/writing/2018/07/frontend-first-ride/An old signpost written for frontend beginners: information gathering, study logs, algorithm practice, interviews, and internships are all just the beginning.Wed, 04 Jul 2018 00:00:00 GMT2026-08-14T00:00:00.000Zwritingfrontendlearningcareerarchivetechnologyhttps://liyuk.com/en/writing/2020/01/why-technical-knowledge-bases-need-entry-pages/https://liyuk.com/en/writing/2020/01/why-technical-knowledge-bases-need-entry-pages/An entry page is not a pile of links, but the shared memory a constantly changing project leaves for its team: it helps readers enter by task, judge whether information is still valid, and find the people responsible for maintaining it.Mon, 06 Jan 2020 00:00:00 GMT2026-08-14T00:00:00.000Zwritingtechnical-writingknowledge-managementinformation-architectureengineeringtechnologyhttps://liyuk.com/en/writing/2020/10/documents-are-collaboration-interfaces/https://liyuk.com/en/writing/2020/10/documents-are-collaboration-interfaces/A practical way to write technical documents: state the conclusion and problem clearly first, then use the right structure to carry the plan, progress, and details.Thu, 22 Oct 2020 00:00:00 GMT2026-08-14T00:00:00.000Zwritingwritingtechnical-writingcommunicationwork-leadershiphttps://liyuk.com/en/writing/2020/10/reusable-engineering-retrospective/https://liyuk.com/en/writing/2020/10/reusable-engineering-retrospective/The value of an engineering retrospective is not in retelling what happened or blaming individuals, but in turning an experience into improvements that can be verified, maintained, and reused.Thu, 22 Oct 2020 00:00:00 GMT2026-08-14T00:00:00.000Zwritingengineeringretrospectivelearningcollaborationtechnologyhttps://liyuk.com/en/writing/2020/10/what-good-technical-sharing-should-change/https://liyuk.com/en/writing/2020/10/what-good-technical-sharing-should-change/Turn technical sharing from a regular talk into a knowledge-collaboration system that connects topic selection, research, discussion, and consolidation.Thu, 22 Oct 2020 00:00:00 GMT2026-08-14T00:00:00.000Zwritingtechnical-sharinglearningknowledge-managementcollaborationtechnologyhttps://liyuk.com/en/writing/2021/04/engineering-poc-faq-responsibility-boundaries/https://liyuk.com/en/writing/2021/04/engineering-poc-faq-responsibility-boundaries/Facing cross-functional requirements, how should an engineering POC divide work, surface risks, handle changes, and manage their own workload? A public FAQ for real-world collaboration.Wed, 21 Apr 2021 00:00:00 GMT2026-08-14T00:00:00.000Zwritingengineeringcollaborationproject-managementrisk-managementownershipwork-leadershiphttps://liyuk.com/en/writing/2021/08/requirement-poc-responsibilities/https://liyuk.com/en/writing/2021/08/requirement-poc-responsibilities/An engineering POC is neither a project secretary nor someone who covers for everyone else; the role exists to keep goals, commitments, risks, and decisions clear in cross-functional collaboration.Tue, 17 Aug 2021 00:00:00 GMT2026-08-14T00:00:00.000Zwritingproject-managementengineeringcollaborationownershipdeliverywork-leadershiphttps://liyuk.com/en/writing/2021/09/product-overview-is-a-decision-model/https://liyuk.com/en/writing/2021/09/product-overview-is-a-decision-model/The job of a product overview is not to collect as many facts as possible, but to help readers build a shared question, form judgments, and understand what evidence is still missing within a limited time.Wed, 15 Sep 2021 00:00:00 GMT2026-08-14T00:00:00.000Zwritingproduct-thinkingwritingresearchcollaborationwork-leadershiphttps://liyuk.com/en/writing/2023/06/from-zero-design-the-team/https://liyuk.com/en/writing/2023/06/from-zero-design-the-team/When an existing bench has failed or you need to start over, rebuild responsibility, standards, and development mechanisms first — not just redraw a division-of-labor chart.Thu, 01 Jun 2023 00:00:00 GMT2026-08-14T00:00:00.000Zwritingleadershipcollaborationmanagementwork-leadershiphttps://liyuk.com/en/writing/2023/08/career-growth-ten-questions/https://liyuk.com/en/writing/2023/08/career-growth-ten-questions/An uncompressed question bank: prepare promotion materials, interview answers, and stage reviews item by item across business, technology, team, individual judgment, and organizational capability.Tue, 01 Aug 2023 00:00:00 GMT2026-08-14T00:00:00.000Zwritingcareerpromotioninterviewleadershipengineeringwork-leadershiphttps://liyuk.com/en/writing/2026/08/rebuilding-this-site/https://liyuk.com/en/writing/2026/08/rebuilding-this-site/This site is being rebuilt from an old static blog into a personal publication about technology, work, and life — and it also records the trade-offs made along the way.Fri, 14 Aug 2026 00:00:00 GMT2026-08-14T00:00:00.000Zwritingsite-notesfield-noteshttps://liyuk.com/en/writing/2026/08/vless-reality-return-proxy-notes/https://liyuk.com/en/writing/2026/08/vless-reality-return-proxy-notes/From a temporary SSH direct connection, to accommodating phones and family, and finally converging on sing-box as a maintainable return-to-China network setup.Fri, 14 Aug 2026 00:00:00 GMT2026-08-14T00:00:00.000Zwritingsing-boxvlessrealitynetworkoperationstechnologyhttps://liyuk.com/en/research/2026/08/ai-engineering-capability-boundaries/https://liyuk.com/en/research/2026/08/ai-engineering-capability-boundaries/A position paper based on the author's experience driving AI infrastructure and pilots in a real engineering organization: it proposes four kinds of boundaries—context, responsibility, authorization, and measurement—and offers a falsifiable pilot protocol plus a minimal harness as a demonstration of putting them into practice.Fri, 14 Aug 2026 00:00:00 GMT2026-08-14T00:00:00.000Zresearchaisoftware-engineeringagent-systemsdeveloper-productivitygovernancetechnologyhttps://liyuk.com/en/research/2026/08/data-measurement-organizational-protocol/https://liyuk.com/en/research/2026/08/data-measurement-organizational-protocol/A research-design and protocol paper: reframing data measurement from what belongs on the dashboard into a recomputable, reviewable, decision-supporting collaboration protocol, with minimal mechanisms for definitions, measurement units, metric tiering, dictionaries, and retrospectives.Fri, 14 Aug 2026 00:00:00 GMT2026-08-14T00:00:00.000Zresearchdatametricsmeasurementcollaborationreproducibilitytechnologyhttps://liyuk.com/en/research/2026/08/developer-productivity-feedback-loops/https://liyuk.com/en/research/2026/08/developer-productivity-feedback-loops/A research synthesis and position paper: defining engineering productivity as a continuously shortening "propose change — get trustworthy feedback — correct safely" loop, with metrics, a default path, and a falsifiable pilot protocol.Fri, 14 Aug 2026 00:00:00 GMT2026-08-14T00:00:00.000Zresearchdeveloper-productivityplatform-engineeringfeedback-loopssoftware-engineeringtechnologyhttps://liyuk.com/en/research/2026/08/functional-lines-versus-business-lines/https://liyuk.com/en/research/2026/08/functional-lines-versus-business-lines/A position paper: functional lines were efficient in an era of highly specialized work; once tools lower skill barriers, organizations should be redesigned around end-to-end business capability. It provides the mechanism, a spectrum of organizational forms, judgment signals, the two Chinese and American starting points, talent needs, and a falsifiable pilot protocol.Fri, 14 Aug 2026 00:00:00 GMT2026-08-14T00:00:00.000Zresearchorganization-designaiengineeringfunctional-teamsbusiness-lineswork-leadershiphttps://liyuk.com/en/research/2026/08/relationship-material-analysis-m1-m5/https://liyuk.com/en/research/2026/08/relationship-material-analysis-m1-m5/A research-design and protocol paper: it proposes a material-organization and risk-annotation protocol aimed at safety actions, covering intimate and general interpersonal relationships, and defines AI's role as a structured co-pilot.Fri, 14 Aug 2026 00:00:00 GMT2026-08-14T00:00:00.000Zresearchrelationshipsinterpersonal-analysisanti-scampsychologyhuman-ai-collaborationwork-leadershiphttps://liyuk.com/en/research/2026/08/workplace-relationship-analysis-protocol/https://liyuk.com/en/research/2026/08/workplace-relationship-analysis-protocol/A research-design and protocol paper proposing a safety-action-oriented framework for organizing material and annotating risk in workplace settings, covering top-middle-bottom three-tier safety, power structures, horizontal competition, authority-responsibility misalignment, career safety, career development, and occupational mental health.Fri, 14 Aug 2026 00:00:00 GMT2026-08-14T00:00:00.000Zresearchworkplacepowerprofessional-relationshipsrisk-analysishuman-ai-collaborationwork-leadershiphttps://liyuk.com/en/projects/2026/08/claude-code-harness-study/https://liyuk.com/en/projects/2026/08/claude-code-harness-study/Starting from public material, observable behavior, and a runnable microkernel, learn how to turn a coding agent's permissions, tool calls, and execution traces into a verifiable system boundary.Thu, 13 Aug 2026 00:00:00 GMT2026-08-14T00:00:00.000Zprojectagentcoding-agentsystemstypescripthttps://liyuk.com/en/research/2026/08/china-housing-price-data-methods/https://liyuk.com/en/research/2026/08/china-housing-price-data-methods/How to build reproducible China housing price data across official 70-city indexes, Beijing district-level listings, LPR, and transaction records without confusing incompatible measures.Sat, 08 Aug 2026 00:00:00 GMT2026-08-08T00:00:00.000Zresearchdatamachine-learninghousingreproducibilityprovenancehttps://liyuk.com/en/research/2026/08/canonloom-auditable-narrative-production/https://liyuk.com/en/research/2026/08/canonloom-auditable-narrative-production/A system design paper: modeling long-form fiction collaboration as recoverable, auditable, author-approved state transitions, and proposing an evaluation scheme that does not mistake mechanical scores for literary value.Mon, 03 Aug 2026 00:00:00 GMT2026-08-03T00:00:00.000Zresearchhuman-ai-collaborationagent-systemsnarrativeauditabilitytechnologyhttps://liyuk.com/en/projects/2026/08/canonloom/https://liyuk.com/en/projects/2026/08/canonloom/A command-driven workflow for long-form novel production: the author drives with short commands, an Agent does the creative work, Python performs deterministic validation, and the author makes choices and approvals at every key checkpoint.Mon, 03 Aug 2026 00:00:00 GMT2026-08-03T00:00:00.000Zprojectagentcreative-writingworkflowpythonhttps://liyuk.com/en/writing/2026/05/departure-under-sunlit-flames/https://liyuk.com/en/writing/2026/05/departure-under-sunlit-flames/A farewell, reflection, and word of thanks at the end of an eight-and-a-half-year career journey.Fri, 29 May 2026 00:00:00 GMT2026-05-29T00:00:00.000Zwritingcareerreflectionleadershipwork-leadershiphttps://liyuk.com/en/writing/2025/12/turn-spoken-ideas-into-decision-documents/https://liyuk.com/en/writing/2025/12/turn-spoken-ideas-into-decision-documents/Distill scattered thoughts into a document that can be discussed and acted on: tools handle the organizing, people handle the judgment.Wed, 31 Dec 2025 00:00:00 GMT2025-12-31T00:00:00.000Zwritingwritingdecision-makingcommunicationwork-leadershiphttps://liyuk.com/en/writing/2025/08/counting-practice/https://liyuk.com/en/writing/2025/08/counting-practice/Starting from saying 1, 2, 3 clearly, practice listening, restating, answering, and self-review, so that messy information gains an actionable structure.Wed, 20 Aug 2025 00:00:00 GMT2025-08-20T00:00:00.000Zwritingthinkingcommunicationself-reflectionwork-leadershiphttps://liyuk.com/en/writing/2025/04/everyday-full-makeup-decision-framework/https://liyuk.com/en/writing/2025/04/everyday-full-makeup-decision-framework/From skin prep to finishing touches, a practical full-makeup routine that leans natural and emphasizes long wear and bone-structure definition.Sat, 12 Apr 2025 00:00:00 GMT2025-04-12T00:00:00.000Zwritingbeautyeveryday-lifeguidefield-noteshttps://liyuk.com/en/writing/2025/04/from-skin-observation-to-product-selection/https://liyuk.com/en/writing/2025/04/from-skin-observation-to-product-selection/Choosing makeup doesn't require memorizing shade numbers or brands first: observe your skin tone, lightness, and how your skin feels that day in natural light, then narrow your choices down to colors and textures that suit you.Sat, 12 Apr 2025 00:00:00 GMT2025-04-12T00:00:00.000Zwritingbeautyeveryday-lifeguideskincarefield-noteshttps://liyuk.com/en/writing/2025/03/referral-is-mutual-recognition/https://liyuk.com/en/writing/2025/03/referral-is-mutual-recognition/A responsible referral is not about prompting an application, but about helping both sides gain enough truthful information to judge whether it is worth getting closer.Sat, 01 Mar 2025 00:00:00 GMT2025-03-01T00:00:00.000Zwritingcommunicationrelationshipscareerteamwork-leadershiphttps://liyuk.com/en/writing/2025/02/gifting-question-framework/https://liyuk.com/en/writing/2025/02/gifting-question-framework/A ready-to-use gifting guide: first confirm the person and the occasion, then narrow the choices across three categories — generic, custom, and experience.Thu, 20 Feb 2025 00:00:00 GMT2025-02-20T00:00:00.000Zwritingrelationshipsgiftseveryday-lifeguidefield-noteshttps://liyuk.com/en/writing/2024/05/recruiting-brand-is-a-trust-system/https://liyuk.com/en/writing/2024/05/recruiting-brand-is-a-trust-system/Recruiting branding is not about polishing a job posting; it is about making the right people believe: the work is worth doing, the team has a chance to make it happen, and they can push it into reality together with their peers.Mon, 20 May 2024 00:00:00 GMT2024-05-20T00:00:00.000Zwritinghiringleadershipcommunicationteam-buildingwork-leadershiphttps://liyuk.com/en/writing/2024/02/top-k-thinking/https://liyuk.com/en/writing/2024/02/top-k-thinking/When facing a long list of tasks, problems, and opinions, first define the standard of judgment, then find the few things that truly rank at the top.Fri, 09 Feb 2024 00:00:00 GMT2024-02-09T00:00:00.000Zwritingthinkingprioritizationcommunicationwork-leadershiphttps://liyuk.com/en/writing/2024/01/insecurity-comparison-and-long-term-capability/https://liyuk.com/en/writing/2024/01/insecurity-comparison-and-long-term-capability/Insecurity comes from the environment and also from comparison. First identify the source, then adjust expectations, extend the time horizon, and pull attention back from 'how others are doing' to 'what I should practice.'Sat, 20 Jan 2024 00:00:00 GMT2024-01-20T00:00:00.000Zwritingself-reflectiongrowthcommunicationwork-leadershiphttps://liyuk.com/en/writing/2023/12/anxiety-when-growth-slows/https://liyuk.com/en/writing/2023/12/anxiety-when-growth-slows/When business growth slows, teams get anxious together. First set the tone of 'respond positively, analyze the problem, solve the critical path,' then talk through what's going wrong item by item.Sun, 10 Dec 2023 00:00:00 GMT2023-12-10T00:00:00.000Zwritingself-reflectioncommunicationdecision-makingwork-leadershiphttps://liyuk.com/en/writing/2023/11/my-reading-archives/https://liyuk.com/en/writing/2023/11/my-reading-archives/A personal reading record from 2021 to 2023: what I read, how I keep notes, and a few reflections I still haven't fully worked out.Tue, 14 Nov 2023 00:00:00 GMT2023-11-14T00:00:00.000Zwritingreadingbooksnoteslearningarchivefield-noteshttps://liyuk.com/en/writing/2023/08/frontend-engineer-system-judgment/https://liyuk.com/en/writing/2023/08/frontend-engineer-system-judgment/Career growth isn't just shipping more requirements—it's gradually expanding your responsibility for defining problems, making trade-offs, and collaborating.Tue, 01 Aug 2023 00:00:00 GMT2023-08-01T00:00:00.000Zwritingfrontendcareer-developmentsystems-thinkingdecision-makingwork-leadershiphttps://liyuk.com/en/writing/2023/07/goals-retrospectives-and-next-actions/https://liyuk.com/en/writing/2023/07/goals-retrospectives-and-next-actions/Planning and retrospective are not about completing tasks. From the difficulty of setting goals, to methods for retrospective, and on to orienting around your own growth — a complete list of topics.Sun, 16 Jul 2023 00:00:00 GMT2023-07-16T00:00:00.000Zwritingretrospectivedecision-makinggrowthwork-leadershiphttps://liyuk.com/en/writing/2023/06/tokyo-wandering/https://liyuk.com/en/writing/2023/06/tokyo-wandering/Six days in June 2023: Ginza, Shibuya, Yokohama, and Kamakura, plus density, walking, and "why is area priced separately".Sun, 11 Jun 2023 00:00:00 GMT2023-06-11T00:00:00.000Zwritingjapantokyotravelfield-noteshttps://liyuk.com/en/writing/2023/06/growth-paths-for-newcomers-core-and-leads/https://liyuk.com/en/writing/2023/06/growth-paths-for-newcomers-core-and-leads/Growth paths are not job-level checklists but three expanding responsibilities: completing tasks, owning problems, and enabling others to do important work.Thu, 01 Jun 2023 00:00:00 GMT2023-06-01T00:00:00.000Zwritingcareergrowthteamleadershipwork-leadershiphttps://liyuk.com/en/writing/2023/06/self-iteration-feedback-system/https://liyuk.com/en/writing/2023/06/self-iteration-feedback-system/What we call self-iteration is not endlessly pushing yourself to go faster; it is seeing your goals clearly, observing results, adjusting your actions, and continuously recalibrating amid uncertainty.Thu, 01 Jun 2023 00:00:00 GMT2023-06-01T00:00:00.000Zwritinggrowthself-reflectionfeedbackwork-leadershiphttps://liyuk.com/en/writing/2023/06/team-development-compounds/https://liyuk.com/en/writing/2023/06/team-development-compounds/The purpose of developing a team is not to pour experience into everyone, but to make judgment, collaboration, and responsibility things that can be practiced, given feedback on, and passed on.Thu, 01 Jun 2023 00:00:00 GMT2023-06-01T00:00:00.000Zwritingteamleadershipgrowthmentoringwork-leadershiphttps://liyuk.com/en/writing/2023/05/west-coast-daily-life/https://liyuk.com/en/writing/2023/05/west-coast-daily-life/Fifteen days in May 2023: working in another time zone while driving, refueling, parking, and keeping accounts. The deepest impression was not the sights but the jet lag and the expense.Mon, 15 May 2023 00:00:00 GMT2023-05-15T00:00:00.000Zwritingunited-stateswest-coasttravelfield-noteshttps://liyuk.com/en/writing/2023/04/how-to-ask-yourself-better-questions/https://liyuk.com/en/writing/2023/04/how-to-ask-yourself-better-questions/A good question is not a clever way of asking, but turning a vague sense of discomfort into something verifiable, discussable, and actionable; this is a set of daily exercises for work, learning, and review.Wed, 12 Apr 2023 00:00:00 GMT2023-04-12T00:00:00.000Zwritingthinkinglearningreflectionproblem-solvingwork-leadershiphttps://liyuk.com/en/writing/2023/04/healthy-redundancy-and-harmful-overlap/https://liyuk.com/en/writing/2023/04/healthy-redundancy-and-harmful-overlap/Disaster recovery and review are healthy redundancy; the horse race caused by grabbing resources, grabbing projects, and unclear authority pushes an organization into zero-sum exhaustion.Mon, 10 Apr 2023 00:00:00 GMT2023-04-10T00:00:00.000Zwritingcollaborationorganizationmanagementwork-leadershiphttps://liyuk.com/en/writing/2023/04/escaping-the-resource-curse/https://liyuk.com/en/writing/2023/04/escaping-the-resource-curse/The resource curse isn't having too much money or too many people; it's resources making goals more granular, structure heavier, and low-quality decisions more common, until the organization loses the ability to find and solve high-ROI problems.Sun, 09 Apr 2023 00:00:00 GMT2023-04-09T00:00:00.000Zwritingorganizationdecision-makingprioritizationwork-leadershiphttps://liyuk.com/en/writing/2023/04/anxiety-and-work-boundaries/https://liyuk.com/en/writing/2023/04/anxiety-and-work-boundaries/One-on-ones at work are not counseling. Break anxiety into "what you can control and what you cannot"; talk through perception first, then concrete pressures and working conditions.Sat, 08 Apr 2023 00:00:00 GMT2023-04-08T00:00:00.000Zwritingcommunicationself-reflectioncollaborationwork-leadershiphttps://liyuk.com/en/writing/2023/04/functional-teams-in-the-ai-era/https://liyuk.com/en/writing/2023/04/functional-teams-in-the-ai-era/Functional lines once made specialized capability run efficiently; once tools lower workflow barriers, organizations should redesign around end-to-end business capability rather than cling to historical divisions of labor.Thu, 06 Apr 2023 00:00:00 GMT2023-04-06T00:00:00.000Zwritingorganization-designaiengineeringwork-leadershiphttps://liyuk.com/en/writing/2023/04/communicating-organizational-change/https://liyuk.com/en/writing/2023/04/communicating-organizational-change/Sync the officially confirmed objective facts first, without covering up problems; then explain goals, stability, and the new ways of collaborating separately to superiors, the team, and collaborators.Tue, 04 Apr 2023 00:00:00 GMT2023-04-04T00:00:00.000Zwritingmanagementcommunicationorganizational-changework-leadershiphttps://liyuk.com/en/writing/2023/04/headcount-is-not-a-ratio/https://liyuk.com/en/writing/2023/04/headcount-is-not-a-ratio/Headcount ratios are only a dynamic concept. What matters more is aligning goals, markets, and resource constraints in time when expanding, contracting, or changing plans.Sun, 02 Apr 2023 00:00:00 GMT2023-04-02T00:00:00.000Zwritingplanningmanagementcapacity-planningwork-leadershiphttps://liyuk.com/en/writing/2023/03/one-on-ones-and-decision-rights/https://liyuk.com/en/writing/2023/03/one-on-ones-and-decision-rights/The core of a 1-on-1 is helping managers and reports understand each other's goals and needs; authorization must follow information and role boundaries rather than mistaking context for transferred decision rights.Fri, 31 Mar 2023 00:00:00 GMT2023-03-31T00:00:00.000Zwritingmanagementcommunicationownershipwork-leadershiphttps://liyuk.com/en/writing/2023/03/shared-core-and-local-variation/https://liyuk.com/en/writing/2023/03/shared-core-and-local-variation/A multi-region system can neither cram every difference into a single core nor rebuild everything for each region. The key is to identify stable boundaries, preserve extension points, and clarify module ownership.Wed, 29 Mar 2023 00:00:00 GMT2023-03-29T00:00:00.000Zwritingarchitectureengineeringsystems-designtechnologyhttps://liyuk.com/en/writing/2023/03/information-sync-for-decisions/https://liyuk.com/en/writing/2023/03/information-sync-for-decisions/The goal of effective sync is not to send out everything you know, but to give a specific reader, at the right time, the information needed to judge, collaborate, or act.Mon, 27 Mar 2023 00:00:00 GMT2023-03-27T00:00:00.000Zwritingcommunicationdocumentationcollaborationwork-leadershiphttps://liyuk.com/en/writing/2023/03/reducing-context-loss-in-distributed-teams/https://liyuk.com/en/writing/2023/03/reducing-context-loss-in-distributed-teams/The most expensive cost of remote collaboration is often not the time difference but the repeated loss of context. Clear closed-loop responsibility, asynchronous documentation, and limited overlap time make collaboration more stable.Sat, 25 Mar 2023 00:00:00 GMT2023-03-25T00:00:00.000Zwritingdistributed-workcollaborationcommunicationwork-leadershiphttps://liyuk.com/en/writing/2023/03/working-under-resource-constraints/https://liyuk.com/en/writing/2023/03/working-under-resource-constraints/Resource pressure is not something a call to "try harder" can fix. The team needs to reduce commitments, risks, and complaints back to facts, and make trade-offs openly.Thu, 23 Mar 2023 00:00:00 GMT2023-03-23T00:00:00.000Zwritingcapacity-planningmanagementprioritizationdeliverywork-leadershiphttps://liyuk.com/en/writing/2023/03/defining-what-not-to-do/https://liyuk.com/en/writing/2023/03/defining-what-not-to-do/Time management isn't about packing your calendar full; it's about clarifying your commitments—and what you won't do right now—based on role, value, and opportunity cost.Tue, 21 Mar 2023 00:00:00 GMT2023-03-21T00:00:00.000Zwritingprioritizationtime-managementleadershipwork-leadershiphttps://liyuk.com/en/writing/2023/03/resolving-project-conflicts/https://liyuk.com/en/writing/2023/03/resolving-project-conflicts/Most project conflicts are not about someone failing to cooperate, but about goals, facts, or decision authority never being made explicit. Only by clarifying these three things first can disagreements return to something solvable.Sun, 19 Mar 2023 00:00:00 GMT2023-03-19T00:00:00.000Zwritingproject-managementcollaborationcommunicationwork-leadershiphttps://liyuk.com/en/writing/2023/03/quality-is-shared-accountability/https://liyuk.com/en/writing/2023/03/quality-is-shared-accountability/Every role owns its own delivery, and everyone shares accountability for production outcomes. A quality loop depends on monitoring, fast containment, precise fixes, and retrospectives.Fri, 17 Mar 2023 00:00:00 GMT2023-03-17T00:00:00.000Zwritingqualityreliabilityengineeringtechnologyhttps://liyuk.com/en/writing/2023/03/product-engineering-trust/https://liyuk.com/en/writing/2023/03/product-engineering-trust/Good collaboration is built on trust, shared information, and solving problems together; when goals conflict, don't make promises privately—escalate with complete information to align.Wed, 15 Mar 2023 00:00:00 GMT2023-03-15T00:00:00.000Zwritingcollaborationtrustproduct-thinkingwork-leadershiphttps://liyuk.com/en/writing/2023/03/engineering-standards-without-bureaucracy/https://liyuk.com/en/writing/2023/03/engineering-standards-without-bureaucracy/Good standards don't turn every step into an approval; they make the key handoff points — where distortion, rework, and accidents are most likely — visible, discussable, and reusable.Mon, 13 Mar 2023 00:00:00 GMT2023-03-13T00:00:00.000Zwritingengineeringprocesscollaborationtechnologyhttps://liyuk.com/en/writing/2023/03/when-a-team-member-loses-motivation/https://liyuk.com/en/writing/2023/03/when-a-team-member-loses-motivation/Motivation is not manufactured through slogans or pressure. What a manager can do is distinguish whether the problem stems from the environment, the role, the rewards, or the person's own state, and offer honest but limited support.Sat, 11 Mar 2023 00:00:00 GMT2023-03-11T00:00:00.000Zwritingmanagementteamgrowthwork-leadershiphttps://liyuk.com/en/writing/2023/03/how-close-managers-should-stay-to-code/https://liyuk.com/en/writing/2023/03/how-close-managers-should-stay-to-code/A manager's distance from the code shouldn't be a fixed number but a consequence of the goal: close enough to judge architecture, risk, and blockers, far enough to spend energy on defining problems, unblocking collaboration, and securing authority upward.Thu, 09 Mar 2023 00:00:00 GMT2023-03-09T00:00:00.000Zwritingengineering-managementleadershipengineeringwork-leadershiphttps://liyuk.com/en/writing/2023/03/why-code-decays/https://liyuk.com/en/writing/2023/03/why-code-decays/Code decay rarely comes from any single moment of bad writing; it comes from local changes repeatedly bypassing shared boundaries. What truly needs maintaining is the consistency between design and collaboration.Tue, 07 Mar 2023 00:00:00 GMT2023-03-07T00:00:00.000Zwritingengineeringcode-qualityarchitecturetechnologyhttps://liyuk.com/en/writing/2023/03/engineering-without-unique-value/https://liyuk.com/en/writing/2023/03/engineering-without-unique-value/Technology can't manufacture a selling point out of thin air, but engineers can still help the team understand users more precisely, shorten validation cycles, and turn implicit constraints into choosable problems.Sun, 05 Mar 2023 00:00:00 GMT2023-03-05T00:00:00.000Zwritingengineeringproduct-thinkingdecision-makingwork-leadershiphttps://liyuk.com/en/writing/2023/03/mapping-an-unfamiliar-value-chain/https://liyuk.com/en/writing/2023/03/mapping-an-unfamiliar-value-chain/When entering an unfamiliar business or system, don't rush to start from a local solution. First map the users, the process, inputs and outputs, key constraints, and value, so you know what to ask.Fri, 03 Mar 2023 00:00:00 GMT2023-03-03T00:00:00.000Zwritingproduct-thinkinglearningsystems-thinkingwork-leadershiphttps://liyuk.com/en/writing/2023/03/frontline-engineering-management/https://liyuk.com/en/writing/2023/03/frontline-engineering-management/Frontline management is not about doing a bit more work for the team; it is about continuously producing better judgment, predictable delivery, and a collaboration system that can repair itself.Wed, 01 Mar 2023 00:00:00 GMT2023-03-01T00:00:00.000Zwritingtechnical-managementleadershipdecision-makingteamwork-leadershiphttps://liyuk.com/en/writing/2023/02/indonesia-fourteen-days/https://liyuk.com/en/writing/2023/02/indonesia-fourteen-days/Fourteen days in Jakarta in February 2023: a city folded and cut apart, where high-rises and street stalls each live out their own everyday.Mon, 20 Feb 2023 00:00:00 GMT2023-02-20T00:00:00.000Zwritingindonesiajakartatravelfield-noteshttps://liyuk.com/en/writing/2023/02/evaluating-potential-with-care/https://liyuk.com/en/writing/2023/02/evaluating-potential-with-care/Potential is not a label drawn from a résumé or a single performance. Rather than judging whether someone is "smart enough," observe how they learn, act, think, and recover from setbacks.Wed, 15 Feb 2023 00:00:00 GMT2023-02-15T00:00:00.000Zwritinggrowthjudgmentlearningself-reflectionwork-leadershiphttps://liyuk.com/en/writing/2023/01/clarify-feedback-and-commitment/https://liyuk.com/en/writing/2023/01/clarify-feedback-and-commitment/Communication is a broad topic, but it can be made concrete. Starting with 'clarify first, then give feedback, then commit,' plus a complete list of questions for workplace communication.Sat, 14 Jan 2023 00:00:00 GMT2023-01-14T00:00:00.000Zwritingcommunicationfeedbackcollaborationwork-leadershiphttps://liyuk.com/en/writing/2022/09/honest-self-assessment/https://liyuk.com/en/writing/2022/09/honest-self-assessment/The worst thing for a capability model is to be treated as fog. Break 'where am I now, where are the gaps, where do I go next' into questions you can measure yourself, rather than relying on others to label you.Sun, 25 Sep 2022 00:00:00 GMT2022-09-25T00:00:00.000Zwritingself-reflectiongrowthfeedbackwork-leadershiphttps://liyuk.com/en/writing/2022/07/campus-recruitment-training/https://liyuk.com/en/writing/2022/07/campus-recruitment-training/From the resume and fundamentals to the project presentation: an interview is not about guessing a standard answer, but about letting people see your facts, judgment, learning style, and way of collaborating.Fri, 01 Jul 2022 00:00:00 GMT2022-07-01T00:00:00.000Zwritingcareercampus-recruitmentengineeringwork-leadershiphttps://liyuk.com/en/writing/2022/06/structured-thinking-at-work/https://liyuk.com/en/writing/2022/06/structured-thinking-at-work/Structure isn't about applying a template; it's about making problems, evidence, trade-offs, and decisions checkable by others. A ready-to-use training and questioning checklist.Sat, 18 Jun 2022 00:00:00 GMT2022-06-18T00:00:00.000Zwritingthinkingdecision-makingcommunicationwork-leadershiphttps://liyuk.com/en/writing/2022/03/product-judgment-for-engineers/https://liyuk.com/en/writing/2022/03/product-judgment-for-engineers/Product sense isn't guessing at requirements. A ready-to-use list of talking points, from two angles: how engineers should understand the product, and what product managers actually do.Sat, 12 Mar 2022 00:00:00 GMT2022-03-12T00:00:00.000Zwritingproduct-thinkingengineeringdecision-makingproducthttps://liyuk.com/en/writing/2022/02/engineer-product-judgment/https://liyuk.com/en/writing/2022/02/engineer-product-judgment/From completing requirements to taking part in planning, how engineers place technical implementation between user problems and business outcomes.Tue, 01 Feb 2022 00:00:00 GMT2022-02-01T00:00:00.000Zwritingengineeringproduct-thinkingcareer-developmentdecision-makingwork-leadershiphttps://liyuk.com/en/writing/2022/01/low-friction-solo-meals/https://liyuk.com/en/writing/2022/01/low-friction-solo-meals/Don't treat cooking as a test of willpower: with a small set of fixed choices, turn shopping, prep, cleanup, and unexpected changes into a sustainable routine.Sun, 30 Jan 2022 00:00:00 GMT2022-01-30T00:00:00.000Zwritingeveryday-lifecookingsystemsfield-noteshttps://liyuk.com/en/writing/2022/01/how-to-tell-if-work-helps-you-grow/https://liyuk.com/en/writing/2022/01/how-to-tell-if-work-helps-you-grow/Don't judge a job by title, busyness, or short-term evaluation. Look at whether it leaves portable changes in how you understand, spend time, and execute.Sat, 01 Jan 2022 00:00:00 GMT2022-01-01T00:00:00.000Zwritinggrowthcareerreflectionwork-leadershiphttps://liyuk.com/en/writing/2022/01/team-growth-is-not-expansion/https://liyuk.com/en/writing/2022/01/team-growth-is-not-expansion/A team is not simply the sum of its headcount and abilities. Real growth means forming, over time, more reliable collaboration, transferable experience, and the capacity to keep solving problems when circumstances change.Sat, 01 Jan 2022 00:00:00 GMT2022-01-01T00:00:00.000Zwritingteamleadershipgrowthwork-leadershiphttps://liyuk.com/en/writing/2022/01/technical-hiring-long-term-judgment/https://liyuk.com/en/writing/2022/01/technical-hiring-long-term-judgment/Recruiting is not just about filling a vacancy; it is about continuously clarifying what the team needs and can offer, and calibrating judgment with every choice.Sat, 01 Jan 2022 00:00:00 GMT2022-01-01T00:00:00.000Zwritingleadershipteamdecision-makingcommunicationwork-leadershiphttps://liyuk.com/en/writing/2021/11/relationships-as-long-term-reciprocity/https://liyuk.com/en/writing/2021/11/relationships-as-long-term-reciprocity/Professional relationships are not a resource pool to be tapped, but a network of trust built slowly through real collaboration, measured help, and clear boundaries.Mon, 15 Nov 2021 00:00:00 GMT2021-11-15T00:00:00.000Zwritingrelationshipscommunicationcollaborationcareerwork-leadershiphttps://liyuk.com/en/writing/2021/11/ownership-with-boundaries/https://liyuk.com/en/writing/2021/11/ownership-with-boundaries/Responsibility isn't mindless overtime or mindlessly taking on work. This set of questions makes clear 'who decides, who executes, when to escalate, and where accountability ends.'Fri, 05 Nov 2021 00:00:00 GMT2021-11-05T00:00:00.000Zwritingownershipleadershipcollaborationcommunicationwork-leadershiphttps://liyuk.com/en/writing/2021/08/specific-growth-milestones/https://liyuk.com/en/writing/2021/08/specific-growth-milestones/The worst thing about growth talk is when it stays vague. Break 'I want to grow faster' down into situation, capability, evidence, and the next round of practice, so both manager and report know what to ask.Fri, 20 Aug 2021 00:00:00 GMT2021-08-20T00:00:00.000Zwritinggrowthself-reflectionfeedbackwork-leadershiphttps://liyuk.com/en/writing/2021/06/one-on-one-time-and-commitment-boundaries/https://liyuk.com/en/writing/2021/06/one-on-one-time-and-commitment-boundaries/'I've been really busy' is a genuine feeling, but it isn't good enough as communication. These questions break 'busy' into scheduling, capacity, trade-offs, and commitments, so both managers and reports can ask them.Thu, 10 Jun 2021 00:00:00 GMT2021-06-10T00:00:00.000Zwritingcommunicationprioritizationcollaborationwork-leadershiphttps://liyuk.com/en/writing/2021/05/use-your-own-product-feedback-loop/https://liyuk.com/en/writing/2021/05/use-your-own-product-feedback-loop/Self-use isn't about 'spending more time in the product'; it's a feedback system spanning real tasks, valid evidence, and verified fixes.Sat, 15 May 2021 00:00:00 GMT2021-05-15T00:00:00.000Zwritingproduct-thinkingengineeringfeedbackwork-leadershiphttps://liyuk.com/en/writing/2021/05/periodic-metrics-and-retrospectives/https://liyuk.com/en/writing/2021/05/periodic-metrics-and-retrospectives/From daily and weekly reports to problem retrospectives: how to maintain baselines, record changes, judge impact, and turn data conclusions into verifiable action items.Sun, 02 May 2021 00:00:00 GMT2021-05-02T00:00:00.000Zwritingdatametricsretrospectiveoperationstechnologyhttps://liyuk.com/en/writing/2021/04/metric-dictionary-template/https://liyuk.com/en/writing/2021/04/metric-dictionary-template/A ready-to-copy metric dictionary template, plus public examples for completion rate, retention, conversion, error, experience quality, and feedback metrics.Tue, 20 Apr 2021 00:00:00 GMT2021-04-20T00:00:00.000Zwritingdatametricscollaborationmeasurementhttps://liyuk.com/en/writing/2021/04/metric-tiers-prioritize-decisions/https://liyuk.com/en/writing/2021/04/metric-tiers-prioritize-decisions/Don't lay metrics flat on the dashboard: prioritize them by task relevance, scope of impact, actionability, and data trustworthiness, and choose what to watch at each stage.Thu, 08 Apr 2021 00:00:00 GMT2021-04-08T00:00:00.000Zwritingdatametricscollaborationmeasurementhttps://liyuk.com/en/writing/2021/03/define-the-measurement-before-arguing-about-metrics/https://liyuk.com/en/writing/2021/03/define-the-measurement-before-arguing-about-metrics/A publicly reusable metric dictionary: from requests and users to tasks, explaining how availability, error, latency, performance, and feedback data should be defined, combined, and interpreted.Sat, 27 Mar 2021 00:00:00 GMT2021-03-27T00:00:00.000Zwritingdatametricsmeasurementobservabilitytechnologyhttps://liyuk.com/en/writing/2021/03/data-definitions-are-collaboration-interfaces/https://liyuk.com/en/writing/2021/03/data-definitions-are-collaboration-interfaces/Metrics are not numbers on a report; they are the shared language a team uses to describe the same thing. Only after defining the object, event, denominator, and time can data participate in decisions.Mon, 15 Mar 2021 00:00:00 GMT2021-03-15T00:00:00.000Zwritingdatametricscollaborationmeasurementtechnologyhttps://liyuk.com/en/writing/2021/03/shared-problem-definition/https://liyuk.com/en/writing/2021/03/shared-problem-definition/When you don't know how to open or what to talk about, begin by defining the problem clearly. A question-and-answer checklist that managers and reports alike can follow.Mon, 15 Mar 2021 00:00:00 GMT2021-03-15T00:00:00.000Zwritingcommunicationproblem-framingcollaborationwork-leadershiphttps://liyuk.com/en/writing/2021/02/one-on-one-from-definition-to-action/https://liyuk.com/en/writing/2021/02/one-on-one-from-definition-to-action/Solve one problem per conversation, with each theme lasting 30 to 60 minutes. How to use this series, an overview of its topics, and the three closing principles.Wed, 10 Feb 2021 00:00:00 GMT2021-02-10T00:00:00.000Zwritingcommunicationcollaborationself-reflectionwork-leadershiphttps://liyuk.com/en/writing/2021/01/achievement-is-not-a-reward/https://liyuk.com/en/writing/2021/01/achievement-is-not-a-reward/A sense of achievement comes not only from results or praise from others; it also comes from keeping commitments, identifying with your profession, helping others, and believing that what you do matters.Fri, 01 Jan 2021 00:00:00 GMT2021-01-01T00:00:00.000Zwritingcareermotivationreflectionwork-leadershiphttps://liyuk.com/en/writing/2020/10/mentor-relationship-and-first-90-days/https://liyuk.com/en/writing/2020/10/mentor-relationship-and-first-90-days/A mentor's value lies not in planning everything for the new hire, but in jointly building goals, feedback, and a rhythm of gradually stepping back; a workable 90-day plan makes this traceable.Thu, 01 Oct 2020 00:00:00 GMT2020-10-01T00:00:00.000Zwritingmentorshiponboardingcareer-developmentfeedbackleadershipwork-leadership