n8n Workflows & Services
Shared patterns from running scheduled AI and reporting workflows through n8n, Docker, SSH, PostgreSQL, and notification channels.
AI
AI
Cross-Agent Memory Unification: Claude Code + Codex
How Claude Code and Codex were connected to one persistent memory store while preserving separate sessions and platform identity.
AI
AI Instruction Architecture — From Intent to Validated Process and Pseudocode
A practical architecture for turning human intent into a validated visual process, neutral pseudocode, and implementation-ready design.
AI
Automated Activity Tracking & Reporting System
Overview Activity tracking and reporting system for two teenage daughters — tracking Study, Workout, and Rest. The system captures tamper-proof
AI
AI-Powered Tennis Video Processing Pipeline
Behind the Story Every tennis match gets recorded on a DJI Osmo Pocket 3 mounted court-side, and editing it afterward
AI
Garmin-Powered Automated Training Management System
Behind the Story A Garmin watch collects an enormous amount of physiological data — HRV, sleep, training load, body battery,
YouTube
Episode 7 — YouTube Chapter Thumbnail: Backend API + iOS Integration
Create a backend API endpoint that returns all chapter screenshot URLs stored in MinIO S3, and integrate it into the iOS app to render a thumbnail strip per published story.
YouTube
Episode 6 — Existing User Re-install: Register → Conflict → Fallback Login
What happens when an existing user deletes and reinstalls the app — the iOS conflict recovery mechanism and why it was broken by a wrong HTTP status code on the server side.
YouTube
Episode 5: Chapter Thumbnail — Screenshot Job Status & Delete Flow
Bug fix and architecture update session — adds separate job status tracking for screenshot processing, fixes the re-upload duplicate key issue, and verifies the full delete chain end-to-end.
YouTube
Episode 4: Chapter Thumbnail
This documents the Chapter Thumbnail feature — displaying chapter screenshots from MinIO S3 as a horizontal scroll row on published