Release Notes

A record of building, organized by product. From foundational architecture to business features, it documents the steady evolution of each usable release.

Personal Website System

A personal website content management system built with FastAPI, Jinja2, and MySQL. Beyond displaying articles, it provides a complete data foundation for profile records, homepage configuration, photo galleries, and dynamic visitor logs, with ongoing improvements to frontend architecture and backend model abstractions.

FastAPI Jinja2 MySQL Tailwind

Visit Live Website

GEO / SEO project showcase: new AI crawler and structured-data governance entry points 2026-06-10 ------

Search Governance

✨ Added Added a GEO / SEO governance tab to Selected Projects and the Creative Workshop, between Qwen3-8B Fine-Tuning and the Logistics Routing Sandbox.
⚡️ Improved Completed project background, responsibilities, technical approach, highlights, technology tags, and entry buttons for llms.txt / sitemap.xml.
📝 Documentation Synchronized Chinese and English i18n copy and JSON-LD fallback projects so page content matches the machine-readable project list.

Progress page styling: fixed section visibility when switching project tabs, ensuring… 2026-06-06 ------

Bug Fixes

🐛 Fixed Fixed section visibility when switching project tabs, ensuring flicker-free navigation.

Homepage Demo Entry Smoke Tests 2026-06-05 ------

Test Verification

⚡️ Improved Completed smoke tests for homepage demo entry points, covering inactive, activated, and expired-key states.

Homepage demo integration: removed obsolete RPA/Amazon development-log buttons and separated… 2026-06-05 ------

Iteration Improvements

⚡️ Improved Removed obsolete RPA/Amazon development-log buttons and separated them by project.

Persistent LiteStudio demo link: Passport activation now returns to the previously visited demo, reducing… 2026-06-05 ------

Iteration Improvements

⚡️ Improved Passport activation now returns to the previously visited demo, shortening the user journey.

Progress page styling: corrected the record-sorting source; data now sorts precisely by date in descending order. 2026-06-05 ------

Bug Fixes

🐛 Fixed Corrected the record-sorting source; data now sorts precisely by date in descending order.

End-to-end Passport demo tests: added targeted coverage for homepage entry links and buffered destinations. All 21 tests… 2026-06-05 ------

Iteration Improvements

⚡️ Improved Added targeted coverage for homepage entry links and buffered destinations. All 21 tests passed.

Progress Page Mobile Layout 2026-06-04 ------

Page Governance

⚡️ Improved Improved the Progress timeline on mobile, keeping nodes and cards aligned on narrow screens.

Site README update: consolidated scattered documents into one entry point, reducing onboarding context costs. 2026-06-04 ------

Iteration Improvements

⚡️ Improved Consolidated scattered documents into one entry point, reducing onboarding context costs.

Homepage demo integration: corrected LiteStudio demo button labels and destinations… 2026-06-04 ------

Bug Fixes

🐛 Fixed Corrected LiteStudio demo button labels and destinations so Passport buffers the correct target.

Persistent LiteStudio demo link: implemented a persistent LiteStudio demo link with support for… 2026-06-04 ------

Feature Implementation

✨ Added Implemented a persistent LiteStudio demo link, allowing browsers to restore the previous session.

Progress page styling: improved the Release Notes presentation… 2026-06-04 ------

Iteration Improvements

⚡️ Improved Improved the Progress page Release Notes presentation and rearranged timeline cards.

End-to-end Passport demo testing: completed the full sequence from key generation to… 2026-06-04 ------

Security Hardening

🔒 Security Completed end-to-end Passport demo testing: key generation → activation → Access Token → demo redirect.

Passport activation security checks: pinned the LiteStudio demo reminder and separated… 2026-06-03 ------

Feature Implementation

✨ Added Pinned the LiteStudio demo reminder, separating entry guidance from the activated state.

Site README update: added development setup, route documentation, and deployment… 2026-06-03 ------

Documentation

📝 Documentation Updated the site README with development setup, route documentation, and a deployment checklist.

Homepage demo integration: added a general-purpose toolkit DEMO label and demo… 2026-06-03 ------

Feature Implementation

✨ Added Added a general-purpose toolkit DEMO label and demo button to the homepage project section.

Homepage demo entry design: added a ChatCore conversation example to LiteStudio… 2026-06-02 ------

Feature Implementation

✨ Added Added a ChatCore conversation example to LiteStudio Demo, demonstrating long-term memory and MCP toolchains.

LiteStudio demo template improvements: aligned response templates so temperature/context behavior matches… 2026-06-02 ------

Iteration Improvements

⚡️ Improved Aligned response templates so actual temperature/context parameter behavior matches the UI.

Passport activation security checks: implemented key activation verification, producing… 2026-06-02 ------

Security Hardening

🔒 Security Implemented Passport key activation verification, issuing a persistent Access Token after successful validation.

Homepage demo entry design: separated the general-purpose toolkit and LiteStudio… 2026-06-01 ------

Feature Implementation

✨ Added Designed separate homepage demo entry paths for the general-purpose toolkit and LiteStudio.

LiteStudio demo template improvements: strengthened message editing, parameter panels, and model-switching… 2026-06-01 ------

Feature Implementation

✨ Added Strengthened demo interactions for message editing, parameter panels, and model switching.

CodeGraph: Visualizing Page Template Dependencies 2026-05-31 ------

Engineering Infrastructure

✨ Added Visualized partial-template dependencies to clarify page rendering hierarchy.

CodeGraph indexing and frontend visualization: showed code module relationships to locate maintenance impact quickly. 2026-05-31 ------

Iteration Improvements

⚡️ Improved Showed code module relationships in the frontend to locate maintenance impact quickly.

Streaming rendering, Passport, and CodeGraph: designed code-graph metadata collection and module dependency indexing. 2026-05-30 ------

Documentation

📝 Documentation Designed code-graph metadata collection and established a module dependency index.

CodeGraph indexing and frontend visualization: completed the index generator with module metadata statistics and dependency topology. 2026-05-30 ------

Feature Implementation

✨ Added Completed the code-graph index generator, producing module metadata statistics and dependency topology.

Consistent Demo Entry Button Styling 2026-05-29 ------

Frontend Improvements

⚡️ Improved Unified homepage demo entry button styling across the general-purpose toolkit and LiteStudio paths.

Full template split, traffic controls, and icon fixes: corrected Quan_icon asset paths and static-route 500… 2026-05-29 ------

Bug Fixes

🐛 Fixed Fixed Quan_icon asset paths and static-route 500 errors.

Streaming rendering, Passport, and CodeGraph: added Passport Key management and access logs to keep demo… 2026-05-29 ------

Security Hardening

🔒 Security Added Passport Key management and access logs so demo entry points are auditable.

Rate-limit allowlist improvements: added traffic_guard allowlists and structured JSON when… 2026-05-29 ------

Security Hardening

🔒 Security Added the traffic_guard allowlist mechanism, returning structured JSON when limits are triggered.

Passport: Token Expiration and Refresh 2026-05-28 ------

Security Flow

🔒 Security Designed and implemented Access Token expiration and silent refresh for a better user experience.

Initial template split, public routes, and icons: designed Quan_icon branding and favicon… 2026-05-28 ------

Feature Implementation

✨ Added Designed Quan_icon brand icons and favicon assets to unify the global visual style.

Full template split, traffic controls, and icon fixes: implemented traffic_guard authentication and multidimensional DDoS… 2026-05-28 ------

Feature Implementation

✨ Added Implemented traffic_guard authentication and multidimensional DDoS defense rules.

Streaming rendering, Passport, and CodeGraph: improved navigation tab changes and anchor matching after partials… 2026-05-28 ------

Iteration Improvements

⚡️ Improved Improved navigation tab changes and anchor matching after partials load.

Initial template split, public routes, and icons: registered stable public routes for LiteStudio Demo and… 2026-05-27 ------

Feature Implementation

✨ Added Registered public entry routes, providing stable URL endpoints for LiteStudio Demo and donation links.

Full template split, traffic controls, and icon fixes: completed remaining partials, reducing templates from 3,783… 2026-05-27 ------

Refactoring Governance

♻️ Refactored Completed the remaining partials split, reducing the template from 3,783 lines to 2,060 (-46%).

Homepage modularization and secure rate limits: evaluated site traffic and designed IP, session, and endpoint… 2026-05-26 ------

Security Hardening

🔒 Security Evaluated the site traffic model and designed three rate-limit layers: IP, session, and endpoint.

Initial template split, public routes, and icons: extracted about, biography, skills, pr… 2026-05-26 ------

Refactoring Governance

♻️ Refactored Extracted about, biography, skills, projects, and experience into separate partials.

Rate Limits: Configurable Endpoint Thresholds 2026-05-25 ------

Site Security

🔒 Security Made endpoint rate-limit thresholds configurable, with different QPS ceilings based on endpoint importance.

Post-guestbook verification and Passport design: designed Passport key activation and protected demo entry… 2026-05-25 ------

Documentation

📝 Documentation Designed Passport key activation and demo entry protection, distinguishing public access from authorized paths.

Homepage modularization and secure rate limits: planned splitting the 3,783-line index.html… 2026-05-25 ------

Refactoring Governance

♻️ Refactored Planned splitting the 3,783-line monolithic index.html into 10 partials.

Passport: Key Generation and Verification 2026-05-24 ------

Security Flow

✨ Added Implemented Passport key generation and verification with HMAC-SHA256 signatures to prevent forged keys.

Removing the visitor guestbook from the homepage: removed the initialization-stage loadMessages() call… 2026-05-24 ------

Bug Fixes

🐛 Fixed Removed the initialization-stage loadMessages() call to avoid API requests after the section was removed.

Post-guestbook verification and Passport design: verified backend message endpoints still respond and historical messages remain intact. 2026-05-24 ------

Iteration Improvements

⚡️ Improved Verified backend message endpoints still respond normally and historical messages remain intact.

Pre-removal guestbook assessment: mapped dependencies and retained backend endpoints to prevent data loss. 2026-05-23 ------

Documentation

📝 Documentation Mapped guestbook dependencies and retained backend endpoints to prevent data loss.

Removing the visitor guestbook from the homepage: removed the complete #guestbook DOM… 2026-05-23 ------

Bug Fixes

🐛 Fixed Removed the entire #guestbook DOM section and message form container from homepage index.html.

Pre-removal guestbook assessment: reviewed actual usage after launch, confirmed very low engagement, and decided… 2026-05-22 ------

Iteration Improvements

⚡️ Improved Reviewed actual guestbook usage after launch, confirmed very low engagement, and decided to retire it.

Missing photo shadows on the homepage: added thumbnail fallback in the service layer, keeping templates unchanged… 2026-05-21 ------

Bug Fixes

🐛 Fixed Added thumbnail fallback in the service layer, keeping templates unchanged to avoid cascading view-layer changes.

Article pinning and deletion: deletion affects article records only, without directly erasing underlying media to avoid accidental… 2026-05-21 ------

Security Hardening

🔒 Security Deletion affects article records only; underlying media is not directly erased, preventing accidental loss.

Missing photo shadows on the homepage: traced missing shadows in the fourth photo group to fewer thumbnails than full-size images. 2026-05-20 ------

Bug Fixes

🐛 Fixed Traced missing shadows in the fourth homepage photo group to fewer thumbnails than full-size images.

Article pinning and deletion: unified pinned-first ordering in frontend and backend, aligning display with admin configuration. 2026-05-20 ------

Iteration Improvements

⚡️ Improved Unified pinned-first ordering in frontend and backend, aligning public display with admin configuration.

Article pinning and deletion: added pin/unpin and deletion endpoints to Admin Workspace… 2026-05-19 ------

Feature Implementation

✨ Added Added article pin/unpin and deletion endpoints to Admin Workspace.

Homepage typewriter jitter fix: added notranslate protection to stop browser translation extensions from… 2026-05-19 ------

Iteration Improvements

⚡️ Improved Added notranslate protection to stop browser translation extensions from interfering with typewriter content.

Visitor moderation, rate limits, and IP detection: IP region lookup failures fall back to Pending without… 2026-05-19 ------

Iteration Improvements

⚡️ Improved IP region lookup failures fall back to Pending without blocking legitimate submissions.

Homepage typewriter jitter fix: used a fixed-width rendering area to prevent horizontal movement as… 2026-05-18 ------

Bug Fixes

🐛 Fixed Used fixed-width rendering for the typewriter area, preventing horizontal jitter as text length changes.

Visitor moderation, rate limits, and IP detection: added per-IP and global limits to prevent malicious submissions. 2026-05-18 ------

Security Hardening

🔒 Security Added per-IP and global limits to the submission flow to prevent abusive flooding.

Claude Opus backend proxy and usage quotas: persisted conversation history for continuity and traceable troubleshooting. 2026-05-18 ------

Iteration Improvements

⚡️ Improved Persisted conversation history to improve continuity and traceable troubleshooting.

Visitor moderation, rate limits, and IP detection: stored guestbook messages and contact forms together for backend moderation. 2026-05-17 ------

Feature Implementation

✨ Added Stored visitor messages and contact forms in the database with unified backend moderation.

Claude Opus backend proxy and usage quotas: added input validation, usage quotas, and abuse bans. 2026-05-17 ------

Security Hardening

🔒 Security Added input validation, usage quotas, and abuse bans to the API.

Claude Opus backend proxy and usage quotas: routed homepage AI conversations through backend /api/ai/chat… 2026-05-16 ------

Refactoring Governance

♻️ Refactored Routed homepage AI conversations through backend /api/ai/chat; the Claude Opus key is supplied only through environment variables.

Photo display and portrait carousel refactor: templates no longer parse comma-separated strings or infer data, clarifying responsibilities. 2026-05-16 ------

Iteration Improvements

⚡️ Improved Templates no longer parse comma-separated strings or infer data, clarifying responsibility boundaries.

Photo display and portrait carousel refactor: unified multi-image and portrait carousel display fields in the service layer. 2026-05-15 ------

Refactoring Governance

♻️ Refactored Refactored multi-image photos and portrait carousels, with display fields supplied consistently by the service layer.

Backend template consolidation: controlled branches through page/form_type so new features… 2026-05-15 ------

Iteration Improvements

⚡️ Improved Controlled branch boundaries through page/form_type, eliminating the need for a full new page for each feature.

Backend template consolidation: moved modules into admin.html to reduce fragmented template maintenance… 2026-05-14 ------

Refactoring Governance

♻️ Refactored Consolidated backend modules into admin.html to reduce fragmented template maintenance.

Deployment and configuration alignment: clarified management of environment variables and administrator accounts to reduce handover… 2026-05-14 ------

Documentation

📝 Documentation Clarified management of environment variables, administrator account configuration, and other key settings to reduce handover discrepancies.

Content pages, media library, and implementation-log planning: connected backend writes → database reads → frontend display → visit records… 2026-05-14 ------

Iteration Improvements

⚡️ Improved Organized backend writes → database reads → frontend display → visit records into one continuous flow.

Deployment and configuration alignment: added deployment documentation standardizing server setup, database configuration, and initialization… 2026-05-13 ------

Documentation

📝 Documentation Added site deployment documentation to standardize server setup, database configuration, and initialization.

Content pages, media library, and implementation-log planning: completed admin content-page planning for profiles, media, homepage… 2026-05-13 ------

Documentation

📝 Documentation Completed admin content-page implementation planning, covering profile reads, media management, homepage configuration, and visitor records.

Homepage and updates integration completed: fixed button behavior and navigation details for a continuous home-to-detail-to-timeline… 2026-05-10 ------

Bug Fixes

🐛 Fixed Fixed button behavior and navigation details for a continuous journey from homepage to detail to timeline.

Homepage and updates integration completed: modularized the homepage, connected recent-update detail routes, and improved project progress… 2026-05-09 ------

Feature Implementation

✨ Added Completed homepage modularization, recent-update detail navigation, and visual improvements to project progress pages.

LangChain RunnableSequence: Chained S2 Workflow Orchestration 2026-06-04 ------

Documentation Infrastructure

📝 Documentation Connected the S2 multistage workflow with RunnableSequence and added chained-orchestration documentation.

LangChain Tool Layer: merging the text Chain and image Tool into one… 2026-06-04 ------

Documentation

📝 Documentation Merged the text Chain and image Tool Layer into a complete content production pipeline; documentation reached 587 lines.

LangChain Tool Layer: added image Tool nodes for white-background images, composition, slice filling, format normalization, and high… 2026-06-03 ------

Documentation

📝 Documentation Added image tool-layer descriptions for white-background images, composition, slice filling, format normalization, and high-resolution enhancement.

LangChain Tool Documentation: RPA Tool Layer Wrapping 2026-06-02 ------

Documentation Infrastructure

📝 Documentation Wrapped RPA Amazon operations as a LangChain Tool Layer and added API call examples.

Documenting LangChain engineering semantics: covering RPA Tool, PromptComposer, AIClie… 2026-06-02 ------

Documentation

📝 Documentation Covered RPA, PromptComposer, AIClient, S2 workflows, Painter, and other modules.

Documenting LangChain engineering semantics: added AiNative-Tools Chain / Tool documentation… 2026-06-01 ------

Documentation

📝 Documentation Added the AiNative-Tools LangChain technical roadmap, clarifying Chain, Tool, Parser, and RunnableSequence boundaries.

Enhanced Logging at Key Painter Stages 2026-05-07 ------

Database Maintenance

⚡️ Improved Added structured logs at key Painter execution stages for production troubleshooting.

Painter database integration: added key-stage logs to improve production troubleshooting efficiency. 2026-05-07 ------

Iteration Improvements

⚡️ Improved Added key-stage logs, improving production troubleshooting efficiency.

Painter Parameter Tuning and Drift Fixes 2026-05-06 ------

Database Maintenance

⚡️ Improved Tuned temperature and prompt parameters in the single-image conversation pipeline to reduce output drift with long text.

Painter database integration: tuned single-image conversation parameters to reduce prompt drift with long text. 2026-05-06 ------

Iteration Improvements

⚡️ Improved Tuned single-image conversation parameters to reduce prompt drift with long text.

Painter database integration: completed image-module integration, aligning gallery ingestion and… 2026-05-05 ------

Feature Implementation

✨ Added Completed Painter image-module database integration, aligning gallery ingestion and task-state lookup conventions.

Painter Gallery Ingestion API 2026-05-04 ------

Database Maintenance

✨ Added Developed the Painter gallery ingestion API with image metadata extraction and batch writes.

Painter Database Schema Design 2026-05-03 ------

Database Maintenance

✨ Added Designed the Painter database schema, defining image-task state transition fields.

Painter Task-State Lookup API 2026-05-02 ------

Database Maintenance

✨ Added Developed the Painter task-state lookup API to retrieve current state and execution logs by task ID.

Amazon US curated-listing workflow integration: followed original white-background image standards to improve product-page consistency and readability. 2026-05-02 ------

Iteration Improvements

⚡️ Improved Followed original white-background image production standards to improve product-page consistency and readability.

Amazon US curated-listing workflow integration: used data filtering and staged execution to keep low-quality links out of the listing queue. 2026-05-01 ------

Iteration Improvements

⚡️ Improved Used data filtering and staged execution to keep low-quality links out of the listing queue.

Amazon US curated-listing workflow integration: connected FBM product selection, asset production, and listing… 2026-04-30 ------

Iteration Improvements

⚡️ Improved Connected FBM curated product selection, asset production, and listing in one coordinated workflow.

Exception Branches and Fallback Mechanisms 2026-04-28 ------

New Features

⚡️ Improved Completed image-generation exception handling, adding fallback messages and error retries.

Product Data Filtering Rules for Curated Listings 2026-04-28 ------

Operations Automation

⚡️ Improved Defined product-selection filters for FBM curated listings, blocking low-quality links before listing.

AI image generator model options: completed exception branches and fallback messages, establishing a repeatable standard testing workflow. 2026-04-27 ------

Iteration Improvements

⚡️ Improved Completed exception branches and fallback messages, establishing a repeatable standard testing workflow.

Image Generator Response Parsing and Saved-Result Validation 2026-04-26 ------

New Features

⚡️ Improved Integrated generator response parsing and verified the complete flow through saving results to disk.

AI image generator model options: used the implementation-review checklist to verify request construction, response parsing, and disk output end to end… 2026-04-26 ------

Iteration Improvements

⚡️ Improved Used the implementation-review checklist to verify request construction, response parsing, and disk output end to end.

AI image generator model options: added new model choices and a parameter panel, enabling task-specific… 2026-04-25 ------

Feature Implementation

✨ Added Added new model options and a parameter panel to image generation, enabling task-specific generation strategies.

Templated Image Generation Requests 2026-04-23 ------

New Features

✨ Added Templated image generation request construction, enabling model options to change by task type.

Amazon Secondary and Lifestyle Image Templates 2026-04-20 ------

Operations Improvements

⚡️ Improved Created templated workflows for Amazon secondary and lifestyle images, with category-specific composition and copy layouts.

Amazon US detail-page asset standards: unified templates and quality checklists to reduce visual inconsistency and rework across collaborators. 2026-04-19 ------

Iteration Improvements

⚡️ Improved Unified templates and quality checklists to reduce visual inconsistency and rework across collaborators.

Amazon US detail-page asset standards: improved FBM detail-page assets, completing… 2026-04-18 ------

Iteration Improvements

⚡️ Improved Improved Amazon US FBM detail-page asset specifications, completing standards for main, secondary, and lifestyle images.

Amazon US Main Image Standards Implemented 2026-04-16 ------

Operations Improvements

⚡️ Improved Implemented Amazon US FBM main image standards: pure white background + product occupying 85% + no added text.

P1 Plugin Configuration Entry Cleanup 2026-04-12 ------

Plugin Platform

⚡️ Improved Organized plugin configuration entry points and UI interactions, unifying temporary configuration paths.

P1 plugin platform implementation and P2 finalization: advanced P2 product completion, filling key acceptance criteria and delivery boundaries. 2026-04-11 ------

Iteration Improvements

⚡️ Improved Advanced P2 product completion, filling key acceptance criteria and delivery boundaries.

P1 plugin platform implementation and P2 finalization: completed core hooks and configuration cleanup, migrating temporary implementations to a standard structure. 2026-04-10 ------

Feature Implementation

✨ Added Completed core hooks and configuration entry cleanup, migrating temporary implementations to a standard structure.

Baseline Plugin Hook Implementation 2026-04-08 ------

Plugin Platform

✨ Added Implemented baseline core plugin hooks, establishing plugin loading and unloading protocols.

P2 Final Acceptance Criteria 2026-04-06 ------

Plugin Platform

📝 Documentation Defined the P2 final acceptance checklist and delivery boundaries, clarifying what constitutes acceptance.

S2 retry backoff and execution-chain cleanup: significantly reduced task-chain jitter under pressure while improving observability. 2026-04-02 ------

Iteration Improvements

⚡️ Improved Significantly reduced task-chain jitter under pressure while improving observability.

S2 retry backoff and execution-chain cleanup: adjusted execution order, added backoff and state markers for smoother recovery. 2026-04-01 ------

Iteration Improvements

⚡️ Improved Adjusted execution order and added backoff strategies and state markers for smoother exception recovery.

S2 retry backoff and execution-chain cleanup: separated Sandwich and Key failure handling into layers to… 2026-03-31 ------

Refactoring Governance

♻️ Refactored Separated Sandwich and Key failure paths into layered handling to avoid concurrent reentry.

Layered Analysis of Sandwich Failure Paths 2026-03-28 ------

Backend Fixes

♻️ Refactored Independently analyzed Sandwich execution-chain failure layers and mapped the complete branch decision tree.

Intermediate-State Validation for Product-Modification Templates 2026-03-25 ------

Workflow Improvements

⚡️ Improved Added intermediate-state records to product-modification template mapping for precise field-mismatch tracing.

Automated Product-Modification Result Writeback 2026-03-22 ------

Workflow Improvements

✨ Added Automated product-modification result writeback into product tables, reducing manual data entry.

Detailed automated product-modification workflow: added intermediate-state records and replayable logs at key steps to locate field mismatches. 2026-03-20 ------

Iteration Improvements

⚡️ Improved Added intermediate-state records and replayable logs at key steps to locate field mismatches.

Detailed automated product-modification workflow: refined the complete flow step by step from input validation to result writeback. 2026-03-19 ------

Iteration Improvements

⚡️ Improved Refined the automated product-modification flow end to end, breaking it down from input validation through result writeback.

Standardized Product-Modification Input Validation 2026-03-16 ------

Workflow Improvements

⚡️ Improved Standardized automated product-modification input validation, unifying field mapping and format conversion rules.

White-Background Image Sampling and Fallback 2026-03-10 ------

Image Production Pipeline

✨ Added Added sampling and fallback to the white-background image pipeline, automatically flagging failed images for regeneration.

Further white-background image efficiency gains: manual retouching time fell markedly while image-related complaints remained low. 2026-03-10 ------

Iteration Improvements

⚡️ Improved Manual retouching time fell markedly while image-related complaints remained low.

Further white-background image efficiency gains: sampling and fallback improved consistency and usability. 2026-03-09 ------

Feature Implementation

✨ Added Added sampling and fallback, continuing to improve image consistency and usability.

Further white-background image efficiency gains: strengthened Nano banana pro parameter coordination with category-specific… 2026-03-08 ------

Iteration Improvements

⚡️ Improved Strengthened Nano banana pro parameter coordination, automatically applying background margins and composition rules by category.

Category Parameter Mapping for White-Background Images 2026-03-06 ------

Image Production Pipeline

⚡️ Improved Created category parameter mapping for white-background images, automatically matching background colors, margins, and composition to each category.

Systematic development logs and version cadence: made version tracing and incident reviews more efficient, with faster context lookup across modules. 2026-01-13 ------

Iteration Improvements

⚡️ Improved Made version tracing and incident reviews more efficient, with faster context lookup during cross-module collaboration.

Systematic development logs and version cadence: established date-based archives and topic-based logs, unifying requirements and verification… 2026-01-12 ------

Documentation

📝 Documentation Established development logs archived by date and organized by topic, unifying requirement backgrounds and verification results.

Breaking the Blueprint into Milestones 2025-12-03 ------

Blueprint Implementation

⚡️ Improved Split blueprint scheduling, image processing, product modification, and configuration into deliverable milestone stages.

First Tools implementation blueprint: established acceptance standards to keep subsequent iterations on track and reduce directional drift. 2025-12-03 ------

Documentation

📝 Documentation Established acceptance standards to keep subsequent iterations on track and reduce directional drift.

First Tools implementation blueprint: split large requirements into small deliverable loops through staged milestones. 2025-12-02 ------

Iteration Improvements

⚡️ Improved Split large requirements into small deliverable loops through staged milestones.

First Tools implementation blueprint: defined four core workflows for scheduling, image processing, automated product modification, and configuration management. 2025-12-01 ------

Feature Implementation

✨ Added Defined four core workflows: task scheduling, image processing, automated product modification, and configuration management.

Initial Crawler implementation: upgraded scraping from one-off scripts to reusable engineering modules. 2025-11-17 ------

Iteration Improvements

⚡️ Improved Upgraded scraping from one-off scripts to reusable engineering modules.

Initial Crawler implementation: fixed interrupted collection and inconsistent fields, adding logging and failure replay. 2025-11-16 ------

Iteration Improvements

⚡️ Improved Fixed interrupted collection and inconsistent fields, adding logging and failure replay.

Initial Crawler implementation: completed entry scheduling, request retries, basic anti-bot handling, and data cleaning… 2025-11-15 ------

Feature Implementation

✨ Added Completed four core stages: site entry scheduling, request retries, basic anti-bot handling, and data cleaning.

Establishing a delivery baseline: prioritized frequent pain points and developed reusable templates and workflows. 2025-09-14 ------

Iteration Improvements

⚡️ Improved Prioritized frequent pain points and developed reusable templates and workflows.

Establishing a delivery baseline: established a software cadence centered on requirements → implementation → verification → review… 2025-09-13 ------

Documentation

📝 Documentation Established a software cadence centered on requirements breakdown → implementation → verification → review.

Documentation alignment review: corrected legacy naming inconsistencies and established a minimum acceptance checklist and change-log… 2026-05-02 ------

Bug Fixes

🐛 Fixed Corrected legacy naming inconsistencies and established a minimum acceptance checklist and change-log template.

P1 model protocol alignment: decoupled upper-level UI and invocation chains from model-specific branches, routing new models through a common… 2026-05-01 ------

Iteration Improvements

⚡️ Improved Decoupled upper-level UI and invocation chains from model-specific branches; new models use a common adaptation layer.

Documentation alignment review: checked parameter definitions and behavioral boundaries for settings, conversations, plugins, and other key modules. 2026-05-01 ------

Documentation

📝 Documentation Checked parameter definitions and behavioral boundaries for settings, conversations, plugins, and other key modules individually.

P1 model protocol alignment: normalized model integration protocols, request parameter structures, and streaming event types. 2026-04-30 ------

Refactoring Governance

♻️ Refactored Normalized model integration protocols, unifying request parameter structures and streaming event types.

Multimodal enhancement design: planned branch editing, message resending, batch saving for large files, and a smart Mod… 2026-04-29 ------

Documentation

📝 Documentation Designed branch editing, message resending, batch saving for large files, and a smart Model selector.

Conversation isolation and database migration: designed context slicing and preset application logic. 2026-04-28 ------

Documentation

📝 Documentation Designed context slicing and preset application logic.

Multimodal enhancement design: designed automatic Base64 image storage after 5 seconds, with dragged images… 2026-04-28 ------

Documentation

📝 Documentation Designed automatic Base64 image storage after 5 seconds; dragged images save to a local directory after a countdown.

Preset System and Conversation Inheritance Design 2026-04-27 ------

Architecture Design

📝 Documentation Designed three-level preset fallback when creating conversations: preset, most recent conversation, then global defaults.

Conversation isolation and database migration: designed non-destructive database migration with ALERT TABLE for… 2026-04-27 ------

Documentation

📝 Documentation Designed non-destructive database migration using ALERT TABLE to ensure a smooth transition for existing users.

Conversation isolation and database migration: designed conversation-level configuration isolation using an override model. 2026-04-26 ------

Documentation

📝 Documentation Designed conversation-level configuration isolation, reading configuration through an override model.

Streaming Buffer and Base64 Detection Algorithm Design 2026-04-25 ------

Feature Implementation

✨ Added Designed a sliding-window streaming buffer algorithm to detect Base64 patterns within a 0.6s window and pause output.

Performance and startup optimization: designed smart collapsing and asynchronous startup, creating the UI window first → background… 2026-04-25 ------

Documentation

📝 Documentation Designed smart collapsing and asynchronous startup: create the UI window first → load signals in the background.

Performance and startup optimization: designed silent handling for very long text, using placeholders instead of actual DOM above 10,000… 2026-04-24 ------

Documentation

📝 Documentation Designed silent handling for very long text: render placeholders rather than actual DOM for text longer than 10,000 characters.

Collapsible Interaction Prototype and State Management 2026-04-23 ------

Feature Implementation

✨ Added Completed a right-sidebar collapsing prototype, including API URL/Key collapsing and Session persistence of collapse state.

Complete review of 18 requirements: organized four implementation batches around data refactoring, startup performance, and interaction improvements. 2026-04-23 ------

Iteration Improvements

⚡️ Improved Organized four implementation batches around data refactoring, startup performance, and interaction improvements.

Complete review of 18 requirements: reviewed 18 LiteStudio requirements covering completion,… 2026-04-22 ------

Documentation

📝 Documentation Reviewed all 18 LiteStudio requirements, covering completion, collapsing, resending, streaming buffers, and related scenarios.

Smart URL Completion: Rule-Engine Pseudocode Validation 2026-04-21 ------

Feature Implementation

✨ Added Validated the smart URL completion rule engine, covering 12 input scenarios across OpenAI/Gemini modes.

Hybrid architecture blueprint: designed smart URL completion with automatic endpoint recognition for OpenAI-compatible and Gem… 2026-04-21 ------

Feature Implementation

✨ Added Designed smart URL completion with automatic endpoint recognition for OpenAI-compatible and Gemini-native modes.

Hybrid architecture blueprint: designed LiteStudio Hybrid architecture with Vue… 2026-04-20 ------

Documentation

📝 Documentation Designed LiteStudio Hybrid architecture: Vue 3 + Tailwind frontend with a Python pywebview bridge.

Hybrid Architecture Technology Research 2026-04-19 ------

Technology Selection

📝 Documentation Compared Electron / pywebview / Tauri and selected pywebview + Vue 3.

QCode Toolkit: GitHub Pages Release and Live Experience Finalization 2026-06-03 ------

Released

✨ Added Published QCode Toolkit to GitHub Pages, providing a directly accessible online QR code tool.

QCode Toolkit: Linking Demo Entry Points with Project Showcase 2026-06-02 ------

Site Integration

⚡️ Improved Added online trial, Repo, and development-log links to the personal website project section to improve visibility.

QCode Toolkit: Static Asset Paths and Deployment Compatibility 2026-05-31 ------

Deployment Compatibility

🐛 Fixed Checked script, style, and third-party library loading paths for correct operation under subpath deployment and static hosting.

QCode Toolkit: Batch QR Code Result Management 2026-05-29 ------

Batch Processing

✨ Added Completed preview, selection, and download flows for batch generation, reducing repetitive operations with multiple texts.

QCode Toolkit: Improved Drag-and-Drop Decoding 2026-05-28 ------

Interaction Improvements

⚡️ Improved Improved hover, failure messages, and decoding-state feedback in the QR image drop zone.

QCode Toolkit: SVG Vector Export 2026-05-26 ------

Export Features

✨ Added Added SVG vector QR code export for lossless scaling in posters, documents, and web pages.

QCode Toolkit: PNG Download and File Naming 2026-05-24 ------

Export Features

⚡️ Improved Organized QR code PNG downloads with recognizable filenames based on content summaries and generation time.

QCode Toolkit: Color and Rounded-Corner Styling 2026-05-22 ------

Visual Configuration

✨ Added Added foreground and background colors, rounded corners, and module styling for more refined QR code presentation.

QCode Toolkit: Error Correction and Size Controls 2026-05-20 ------

Parameter Configuration

✨ Added Added QR code size, margin, and error-correction settings, balancing recognition reliability and visual density.

QCode Toolkit: Copying Decoded Results and Temporary History 2026-05-18 ------

Decoding Features

⚡️ Improved Added one-click copying and temporary history for decoded QR results, making consecutive checks easier.

QCode Toolkit: Baseline QR Image Decoding 2026-05-16 ------

Decoding Features

✨ Added Completed baseline QR image upload and decoding, reading text, links, and ordinary content from local images.

QCode Toolkit: Minimum Viable Frontend-Only Generator 2026-05-14 ------

Feature Implementation

✨ Added Implemented frontend-only QR code generation, creating a live preview immediately from entered text.

QCode Toolkit: Privacy Boundaries Without a Backend 2026-05-12 ------

Security Design

🔒 Security Specified that all generation and decoding occur locally in the browser, without uploading user input or image content.

QCode Toolkit: QR Swiss Army Knife Project Proposal 2026-05-10 ------

Solution Design

📝 Documentation Established QCode Toolkit as a frontend-only tool for QR generation, decoding, export, and customization.

Routing Security Boundary Tests 2026-05-30 ------

Security Hardening

🔒 Security Completed routing security tests, confirming no authentication leakage between paid and free paths.

web-researcher route priority and connection health: defined graceful fallback to free search when paid search is unavailable. 2026-05-29 ------

Security Hardening

🔒 Security Defined graceful routing fallback to free search when paid search is unavailable.

Paid Search Routing Fallback Verification 2026-05-28 ------

Routing Governance

🔒 Security Verified completeness and response speed when unavailable paid MCP falls back to free search.

web-researcher route priority and connection health: adjusted Keep-Alive to retain idle paid connections and reduce… 2026-05-28 ------

Iteration Improvements

⚡️ Improved Adjusted Keep-Alive to retain idle paid connections and reduce handshake overhead.

web-researcher route priority and connection health: increased the priority of paid MCP search… 2026-05-27 ------

Feature Implementation

✨ Added Increased the priority of the web-researcher paid MCP search route.

Idle Timeout Threshold Tuning Tests 2026-05-26 ------

Resource Governance

⚡️ Improved Compared different timeout thresholds to balance resource release speed against frequent reconstruction costs.

Automatic web-researcher idle cleanup: defined idle timeout thresholds and resource-reclamation strategies. 2026-05-26 ------

Iteration Improvements

⚡️ Improved Defined idle timeout thresholds and resource-reclamation strategies.

Automatic web-researcher idle cleanup: added idle cleanup to avoid long-term MCP connection… 2026-05-25 ------

Iteration Improvements

⚡️ Improved Added automatic web-researcher idle cleanup to avoid occupying MCP connections indefinitely.

Reviewing the MCP Routing Chain 2026-05-24 ------

Resource Governance

📝 Documentation Reviewed the complete web-researcher MCP invocation chain, identifying resource bottlenecks caused by idle connections.

Video Processing and Workflow Automation Experiments 2026-03-15 ------

Tool Experiments

✨ Added Tested batch folder previews and video merging, exploring Python as a replacement for manual editing.

Kaggle CMI competition exploration: combined real-time forecasting with streaming signal processing to gain time-series experience. 2026-02-02 ------

Iteration Improvements

⚡️ Improved Explored combinations of real-time forecasting and streaming signal processing to gain time-series experience.

Kaggle CMI competition exploration: built a basic prediction pipeline and submitted… 2026-02-01 ------

Feature Implementation

✨ Added Participated in Kaggle CMI, built a basic prediction pipeline, and submitted a baseline.

C++ programming and linear algebra review: organized notes on matrix operations and eigenvalue analysis. 2026-01-16 ------

Documentation

📝 Documentation Organized linear algebra study notes, including matrix operations and eigenvalue analysis.

C++ programming and linear algebra review: organized a systematic tutorial covering classes, objects, templates, and I/O… 2026-01-15 ------

Documentation

📝 Documentation Organized a systematic C++ tutorial covering classes and objects, templates, and I/O streams.

Product Selection Data Analysis and New Product Assessment 2026-01-12 ------

Operations Analysis

⚡️ Improved Completed product-selection analysis, using historical sales and competition data to identify promising new products.

Pricing Strategy Backtests: Probability and Weighting Models 2026-01-10 ------

Operations Analysis

✨ Added Analyzed Poisson and WeightedStore pricing-model backtest performance across categories in detail.

Multi-store pricing and SKU analysis: produced three reports on pricing strategy, sizes, and title keywords. 2026-01-08 ------

Iteration Improvements

⚡️ Improved Produced three reports on pricing strategy, size analysis, and title keywords.

Multi-store pricing and SKU analysis: completed pricing backtests comparing Poisson, ProbFactor,… 2026-01-07 ------

Feature Implementation

✨ Added Completed pricing strategy backtests comparing Poisson, ProbFactor, SingleStore, and WeightedStore.

English data analysis exercises: completed ENG exercises and dataset analysis to strengthen Py… 2025-11-20 ------

Documentation

📝 Documentation Completed ENG data analysis exercises and dataset analysis, strengthening Python data-processing fundamentals.

Multiple iterations of data collection tools: standardized cleaning and ingestion to produce product-selection-ready CS… 2025-11-18 ------

Iteration Improvements

⚡️ Improved Standardized data cleaning and ingestion to produce CSV datasets ready for product-selection analysis.

Multiple iterations of data collection tools: developed a 1688 scraper, advancing from V2.0 to V12.… 2025-11-17 ------

Feature Implementation

✨ Added Developed a 1688 data collection tool from V2.0 through V12.5, addressing anti-bot measures and pagination.

C++ Algorithm Fundamentals Practice 2025-11-04 ------

Study Notes

📝 Documentation Implemented basic data structures in C++—linked lists, stacks, queues, and binary trees—and practiced STL.

Data Structures and Algorithm Exercises 2025-10-22 ------

Study Notes

📝 Documentation Completed LeetCode-style exercises to strengthen sorting, searching, and graph algorithms.

Python Data Processing and Visualization Practice 2025-09-21 ------

Study Notes

📝 Documentation Completed hands-on data processing and visualization exercises with Pandas, Matplotlib, and Seaborn.

SQL Data Analysis Query Practice 2025-09-03 ------

Study Notes

📝 Documentation Completed advanced SQL exercises covering window functions, CTEs, and complex joins.

Preliminary Thesis Research and Literature Review 2025-08-05 ------

Study Notes

📝 Documentation Started preliminary thesis research, reading and annotating academic literature on the distance paradox in cross-border e-commerce.

Store Logo Design and Visual Asset Preparation 2025-07-29 ------

Design Experiments

✨ Added Designed brand logos for several e-commerce stores and prepared visual assets for schoolbags, blankets, and other categories.

Building Basic Machine Learning Models 2025-07-19 ------

Machine Learning

✨ Added Built baseline classification and regression pipelines, comparing KNN, decision trees, and logistic regression.

Kaggle Data Exploration and EDA Practice 2025-07-06 ------

Machine Learning

✨ Added Completed exploratory analysis of Kaggle datasets, practicing data visualization and basic feature engineering.

Automated thesis-defense slides: scripted generation and page-by-page previews to align visuals, narrative pacing, and conclusions. 2026-04-24 ------

Iteration Improvements

⚡️ Improved Used scripted generation and page-by-page previews to align visuals, narrative pacing, and conclusions.

Automated thesis-defense slides: advanced automatic generation and page previews, organizing university-emblem backgrounds and speech… 2026-04-23 ------

Feature Implementation

✨ Added Advanced automatic slide generation and page previews, organizing university-emblem backgrounds and the presentation script structure.

Page-by-Page Thesis Defense Script Refinement 2026-04-15 ------

Defense Materials

⚡️ Improved Refined the defense script page by page, focusing on research motivation, methodological innovation, and policy implications.

Defense narrative and presentation script: moved beyond repeating thesis chapters to present the complete research development path. 2026-04-12 ------

Iteration Improvements

⚡️ Improved The defense no longer repeats thesis chapters; it presents the complete research development path.

Defense narrative and presentation script: organized the sequence from real-world paradox → theoretical breakdown → identification correction → core findings → professional value… 2026-04-11 ------

Documentation

📝 Documentation Organized the presentation around real-world paradox → theoretical breakdown → identification correction → core findings → professional value.

Plagiarism-check materials and data/code packaging: consolidated scattered empirical analysis and writing into formal submission form. 2026-04-10 ------

Iteration Improvements

⚡️ Improved Consolidated previously scattered empirical analysis and writing into formal submission form.

Plagiarism-check materials and data/code packaging: organized the similarity report, thesis text, and data/code into deliverable directories. 2026-04-09 ------

Documentation

📝 Documentation Organized the similarity report, thesis text, and data/code package into deliverable directories.

Six thesis chapters and appendices assembled: connected theory, data processing, missing-data correction, fixed effects, and policy implications into a complete… 2026-04-08 ------

Feature Implementation

✨ Added Connected theoretical mechanisms, data processing, missing-data correction, fixed effects, and policy implications into a complete draft.

Six thesis chapters and appendices assembled: completed a stage-wise compilation of main chapters, abstract, references, and appendices. 2026-04-07 ------

Documentation

📝 Documentation Completed a stage-wise compilation of main chapters, abstract, references, and appendices.

Final Thesis: Standardizing Layout, Tables, and Figures 2026-04-05 ------

Thesis Writing

⚡️ Improved Unified table and figure numbering and citation formats throughout the thesis to meet academic typesetting standards.

Empirical framework and methodological defense connected: clarified that distance persists while policy mainly lowers institutional barriers. 2026-02-06 ------

Documentation

📝 Documentation Clarified the empirical finding: distance persists, while policy mainly lowers institutional barriers.

Empirical framework and methodological defense connected: linked structural gravity models, nonrandom missingness identification, and PPML robustness… 2026-02-05 ------

Feature Implementation

✨ Added Connected structural gravity models, nonrandom missingness identification, and PPML robustness checks.

Amazon US FBM and image integration: workflow-based image production and rule-based checks significantly reduced image quality complaints. 2026-01-06 ------

Iteration Improvements

⚡️ Improved Workflow-based image production and rule-based checks significantly reduced image quality complaints.

Amazon US FBM and image integration: formally joined Amazon US FBM operations, connecting white-background… 2026-01-05 ------

Feature Implementation

✨ Added Formally joined Amazon US FBM operations, connecting white-background image and detail-page production.

Thesis proposal and improvement roadmap: defined the sequence of policy-effect mechanisms → heterogeneity checks → robustness discussion. 2026-01-04 ------

Documentation

📝 Documentation Defined the improvement roadmap: policy-effect mechanism analysis → heterogeneity checks → robustness discussion.

Thesis proposal and improvement roadmap: consolidated the proposal, clarifying research background, literature review, and empirical strategy. 2026-01-03 ------

Documentation

📝 Documentation Consolidated the thesis proposal, clarifying research background, literature review, and empirical strategy.

Thesis Chapter One: Integrated Literature Review 2026-01-02 ------

Thesis Writing

📝 Documentation Integrated literature on the digital economy and distance paradox, tracing gravity models from traditional trade to cross-border e-commerce.

Thesis draft and repeated iterations: advanced from V4 to V6, arguing for inclusive policy effects rather than distance… 2025-12-29 ------

Iteration Improvements

⚡️ Improved Iterated from V4 to V6, centering the argument on inclusive policy effects rather than distance avoidance.

Thesis draft and repeated iterations: completed a first draft on an empirical test of the cross-border e-commerce distance paradox under the Digital Silk… 2025-12-28 ------

Documentation

📝 Documentation Completed a thesis draft titled “An Empirical Test of the Cross-Border E-Commerce Distance Paradox under the Digital Silk Road.”

Data processing and empirical results: two-way fixed effects revealed Simpson’s paradox, with distance elasticity around -1.16. 2025-12-21 ------

Documentation

📝 Documentation Two-way fixed effects revealed Simpson’s paradox, with distance elasticity around -1.16.

Data processing and empirical results: completed the full processing report with MICE imputation, distance supplementation, and sample matching… 2025-12-20 ------

Feature Implementation

✨ Added Completed the full data-processing report, including MICE imputation, distance supplementation, and sample matching.

Empirical Analysis: Comparing PPML and OLS Results 2025-12-19 ------

Empirical Analysis

✨ Added Completed supporting PPML pseudo-maximum-likelihood estimation, confirming consistency with OLS results.

Thesis feasibility review V2 model revision: shifted the core hypothesis from distance moderation to testing inclusive policy effects. 2025-12-18 ------

Documentation

📝 Documentation Shifted the core hypothesis from distance moderation to testing inclusive policy effects.

Mexican customer complaints and Spanish SOP: used gemini-2.5-flash for high-quality Mexican… 2025-12-17 ------

Feature Implementation

✨ Added Used gemini-2.5-flash to produce high-quality Mexican Spanish explanations and negotiations.

Thesis feasibility review V2 model revision: corrected perfect collinearity between time fixed effects and policy variables, removing the main-effect… 2025-12-17 ------

Bug Fixes

🐛 Fixed Corrected perfect collinearity between time fixed effects and policy variables by removing the main-effect term.

Mexican customer complaints and Spanish SOP: established complaint tiers and response templates, clarifying evidence collection and communication cadence… 2025-12-16 ------

Documentation

📝 Documentation Established tiered complaint SOPs and response templates, clarifying evidence collection and communication cadence.

AliExpress data cleaning and MICE imputation: established 46 destination countries, 42 months, and 1932 country-month… 2025-12-16 ------

Iteration Improvements

⚡️ Improved Established an analytical foundation of 46 destination countries, 42 months, and 1932 country-month observations.

AliExpress data cleaning and MICE imputation: completed dataset cleaning, country-distance supplementation, and multiple… 2025-12-15 ------

Feature Implementation

✨ Added Completed AliExpress dataset cleaning, country-distance supplementation, and multiple imputation by chained equations.

Thesis feasibility review V1: confirmed a dual approach using OLS + cluster-robust standard errors and PPML support… 2025-12-15 ------

Feature Implementation

✨ Added Confirmed feasibility of OLS + cluster-robust standard errors with supporting PPML verification.

Thesis feasibility review V1: completed the first review, assessing panel data quality for 46 countries and 42 months… 2025-12-14 ------

Documentation

📝 Documentation Completed the first feasibility review, assessing 46-country, 42-month panel data quality, FMI=0.62%.

Mercado Storefront Design and A+ Content 2025-12-12 ------

Platform Operations

✨ Added Completed the Mercado storefront and A+ content pages with consistent brand visuals.

Mercado coupon strategy: gradually increased visibility and order conversion while controlling subsidies to protect profit balance. 2025-12-09 ------

Iteration Improvements

⚡️ Improved Gradually increased store visibility and order conversion while controlling subsidy intensity to protect profit balance.

Mercado coupon strategy: combined new-product acquisition, repeat-purchase, and limited-time campaign coupons in a tiered strategy. 2025-12-08 ------

Feature Implementation

✨ Added Designed tiered coupons combining new-product acquisition, repeat-purchase, and limited-time campaigns.

Mercado listing operations launch: established reusable operational actions, laying foundations for complaint governance and asset improvements. 2025-12-02 ------

Iteration Improvements

⚡️ Improved Established the first reusable operational actions, laying foundations for complaint governance and asset improvements.

Mercado listing operations launch: coordinated coupons with product selection and listing… 2025-12-01 ------

Feature Implementation

✨ Added Launched Mercado listing operations with a steady cold start, coordinating coupons with product selection and listing cadence.

Release Notes

Personal Website System

Tools / General-Purpose Toolkit

Lite Studio Client

MiMo Vision MCP

QCode Toolkit

OpenClaw Sentinel

Other Research Notes

Data Analysis and Empirical Practice