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Engineering notes.

The work behind the projects. Decisions, tests, and things learned along the way.

Dev Log Entries

Fifteen Meme Voices and an OBS That Finally Uses the GPU - 2026-09-29
Xylem Grows Stomata: Eleven Decisions for JefeOS 1.3 - 2026-09-26
JefeRust 1.2 Ships the Missing Middle - 2026-09-15
JefeRust Finishes M1: Parity Without Imitation - 2026-09-09
JefeOS 1.2.0 Ships: Four Re-Cuts, One Leak, Zero Fake Evidence - 2026-09-08
The HIGH Queue Hits Zero: JefeOS 1.2 Nears RC - 2026-09-07
Give the JefeOS Lab a Waiter - 2026-09-05
Two Kernels, One Review Bench - 2026-09-02
Permission Modes and Attested Boots - 2026-08-30
The Qualification Spine Comes First - 2026-08-29
Gates, Not Features - 2026-08-25
284 PRs, POSIX Conformance, and Theme Zero Cleardown - 2026-08-23
Two Vessels, One Workload - 2026-08-22
The POSIX True-Up - 2026-08-20
Teaching JefeRust to Supervise Linux Workloads - 2026-08-17
JefeRust 1.0 Ships on Exact Bytes - 2026-08-16
A Goose in a Box: The Local Glimmer Coding Runner - 2026-08-13
The Release Nobody Ran - 2026-08-11
A Gate That Refused to Lie - 2026-08-05
JefeRust Joins the Bot Channel - 2026-08-03
Making the Tests Able to Fail - 2026-08-01
From OpenStack Proof to JefeOS 1.1.2 - 2026-07-29
Codex Clears 22 PRs and Makes JefeOS First-Class on OpenStack - 2026-07-28
88 PRs in 7 Days - 2026-07-26
The Bot Reaps Its Own Wedges - 2026-07-19
It Was Never the Kernel - 2026-07-18
The 4 KB Buffer Behind the Bot's Silence - 2026-07-13
The Film Club Feeds Itself - 2026-07-11
The Reliability Turn: Hardening Both Kernels After the Bot - 2026-07-11
JefeRust Follow-Ups Get Their Own Branch - 2026-07-09
JefeOS-Bot Goes Live: A Real Discord Bot on a From-Scratch Kernel - 2026-06-30
First Contact: A From-Scratch Kernel Speaks WSS to Discord - 2026-06-30
Xylem Runs: From Manifesto to a Self-Healing Cluster - 2026-06-27
Trust and Truth: Hardening the Linux-ABI and Running Real Software - 2026-06-22
GygaxBot: From Dead Image References to Phantom NPCs - 2026-06-20
Xylem: A Natively-Clustered OS - 2026-06-17
Following the SYN: A Hung Bot, a Port Shadow, and a Missing FIN - 2026-06-17
Real Packages Install and Run — Now the NTFS Writer Is the Frontier - 2026-06-16
A Real Discord Bot, on a Kernel That Was Never Linux - 2026-06-13
Phase 5: Alpine's Init Runs, and a Crash Class Falls - 2026-06-10
A Sentinel Sweep: Patch, Audit, Add Semgrep - 2026-06-07
In-Place execve Lands — and busybox Becomes PID 1 - 2026-06-05
Bringing the Linux ABI to life: Python, fork(), and busybox under chroot - 2026-05-31
Three PRs of Quiet Kernel Hardening - 2026-05-21
Ending the Gygaxbot Rotation Nightmare - 2026-05-21
Reconciling the wedges: smoke baseline, DHCP, and the 1MB ELF cap - 2026-05-14
Adventure Router Refactor + Three Feature Sprints - 2026-05-11
Adventure Roles + Multiplayer Fixup, in Parallel - 2026-05-10
Five-Bug Cascade Unblocks SMP Phase 5 - 2026-05-09
DOOM Boots on JefeOS - 2026-05-07
Codex Learns to Check the Artifact - 2026-05-06
Eight-Sprint Day — Both Kernels at 77% POSIX, Three Linux Extensions Live - 2026-05-05
Four Sprints, One Sitting — Both Kernels Past 75% POSIX (and eventfd) - 2026-05-05
Transcendentals, In One More Sitting — Both Kernels at 68% POSIX - 2026-05-05
Greenfield libm in One Sitting — Both Kernels Past 62% POSIX - 2026-05-05
Closing the Loop: PRs #5 and #6 Land - 2026-05-05
Two Waves + Three Agents Stick the Landing — both kernels >55% POSIX - 2026-05-05
JefeVault Gets an Admin Console and a Cleaner Risk Story - 2026-05-04
Tier 1 Linux Compat: From Review Scope to Real Fixes - 2026-05-01
Public IdP, Central DB, Pliny Defense, and a Voice Resurrection - 2026-05-01
Adventure Alpha Polish: Multiplayer, TTS, and Real Dice Rolls - 2026-04-30
POSIX-FILEIO-SYNC: Three Honest Yes Flips on the Scorecard - 2026-04-26
Pthread #PF Panic Fixed: Defer ELF Cleanup to Last Sibling - 2026-04-26
Backward Coalesce: The Heap Bug That Looked Like a Leak - 2026-04-25
Service Workers, Stale Subs, and a Local Translation Stack - 2026-04-24
Lifting Adventure: Three Commits, One Routing Lesson - 2026-04-24
The Five-Sprint Bet: Stop Deferring JefeRust - 2026-04-24
Seven Rounds to 33% POSIX - 2026-04-20
Sigtest Passes, the Wedge Escapes - 2026-04-19
Does the Scanner Pay the Rent? - 2026-04-17
The Last MAJOR Standing - 2026-04-17
556 Findings Down, 20 Fixes Across 12 Repos - 2026-04-16
The Drift Hunt - 2026-04-15
JefeNotes ships, plus a handful of CI sidequests we couldn't leave alone - 2026-04-15
JefePass: read-only tokens, Forgejo trust, popup quick-actions - 2026-04-14
Five Traps and a Recovery - 2026-04-13
Idle Games Night: Polish and a Redo - 2026-04-12
Unfucking the Ecosystem - 2026-04-12
160 Findings, 11 Repos, One Night - 2026-04-10
Locking Down the Supply Chain - 2026-04-09
Sentinel Sweeps Everything - 2026-04-08
14 Commits Later, the DM Remembers - 2026-04-05
Shipping Sentinel: The Verifier Pattern - 2026-04-05
Bug Hunt Across Three Kernels - 2026-04-04
We Don't Talk About Session 20 - 2026-04-04
Three Kernels, 20,000 Lines, One Session - 2026-04-03
18 Agents, 18 Tasks, Zero Idle Hands - 2026-04-03
The Board Meeting That Wasn't a Board Meeting - 2026-04-03
Session 18: RAG Security Overhaul, Bot Brain Surgery, and Services That Stay Up - 2026-04-03
Adventure GUI: 7,100 Lines in One Night - 2026-04-03
Session 17: Nemotron Everywhere, Inception Ready, Adventure GUI Lives - 2026-04-02
Session 16: Adventure GUI, JefeCode Proxy, Maddy Mail, and a Model Upgrade - 2026-04-01
Session 15: Strategic Pivot, Seven Specialists, and a Full Ecosystem Sweep - 2026-03-31
JefeHealth: A Privacy-First Therapy Assistant, Built in One Session - 2026-03-28
Session 12: Voxtral TTS, Let's Encrypt, JefeCode, and 40+ Items Shipped - 2026-03-28
Private CA, 24 Security Fixes, Two Websites, and a Secrets Vault - 2026-03-27
JefeCode Sentinel, Flux.1, Gigi Voice, and 13 Security Fixes - 2026-03-26
Titan Migration Day Two: Bots, Models, and a RAG Bug That Broke the Chatbot - 2026-03-25
JefePass: Zero to Vault Key Architecture in One Night - 2026-03-24
JefeLife: From Architecture Review to Live Wellness Tracker in One Session - 2026-03-24
Titan Migration Day: GPU Dashboard, Inference Router, and 22 Alert Rules - 2026-03-24
Forgejo CI/CD, Service Migrations, and JefeAdventure Takes Shape - 2026-03-23
Titan Online, Network Segmentation, and a Training Pipeline That Actually Works - 2026-03-22
New Portfolio, JefeWorks Org, Game Fixes, and a Product Roadmap - 2026-03-20
TTS, 22 Vibes, Twitch Embeds, and a Creator Dashboard That Actually Works - 2026-03-18
AIMemeLord Goes Live: Dashboard, Playlists, and Three New Overlay Panels - 2026-03-18
VibeBot Goes Live, 135 Creatures, and Two New Websites - 2026-03-17
Bot Badges, VibeBot4000, and a Server in Pieces - 2026-03-15
AIMemeLord: Single-Scene Overlay and End-to-End Image Display - 2026-03-13
AIMemeLord Pipeline, Film Club Merge, and the JefeHQ Rename - 2026-03-13
Infrastructure Rebuild, 16 Agents, JefeStream, and JefeWorks LLC - 2026-03-12
Sprint Day: 5 Repos Pushed, HIGHs Remediated, and a Server Build Ordered - 2026-03-11
The Ops Brain Awakens: Dashboard, Agents, and a Night of Shipping - 2026-03-10
Kitty Box v0.6: RPG Modules, Profile Panel, and Auto-Play Minigames - 2026-03-09
JefeHome: Airthings Integration, Prometheus Metrics, and Service Startup - 2026-03-08
JefeOS Vault: ChaCha20 Secrets Engine on Bare Metal NTFS - 2026-03-08
Idle Games: Profiles, Themes, Tauri Desktop App, and Kitty Box Phase 2 Planning - 2026-03-08
JefeOS SSH: From Cipher Mismatch to Full PuTTY Sessions - 2026-03-08
FreeChat: Message Edit/Delete, Backup Manager, and the DM History Fix - 2026-03-08
JefeHome Phases 2-3: FCM Push, OAuth2, Smart Home Fulfillment - 2026-03-08
Idle Games: Three-Agent Audit, 28 Bug Fixes, and the Stress System Overhaul - 2026-03-08
MMO Prototype: 101-Test Suite, Merge Resolution, and Codebase Index - 2026-03-08
Questlandia Wildlife Expansion + Three Satirical Idle Games from Scratch - 2026-03-07
Arcade Playtest Sweep: 10 Games Fixed, Animal Breakout Enhanced - 2026-03-06
Game Prototype Workshop: 13 Games in One Session - 2026-03-05
MMO Prototype: FFT Job System, Save Slots, and Pause Menu - 2026-03-05
Jefebot: Film Club Feature Suite with OMDB + IMDB Hydration - 2026-03-04
Self-Learning AI: Evaluation, Distillation, and the Road to Fine-Tuning - 2026-02-28
GygaxBot: AI D&D Archival Pipeline, Dashboard, and Session Showcase - 2026-02-26
Jefebot: Twitch Token Auto-Refresh System - 2026-02-25
Boomer Bros Phase 2: Five Game Modes, Puzzle Systems, and Survival Arenas - 2026-02-25
FreeChat & Enclave: The Enhancements Sweep - 2026-02-22
Goose Integration Review, New Agent Team, and Custom AI Training Research - 2026-02-22
Jefebot: Spam Edit, Dashboard Overhaul, Reply Tracking Fix - 2026-02-22
FreeVox: From Zero to Voice/Video Platform - 2026-02-22
jefehz.org: 18,000 Lines of Cruft, Meet the Delete Key - 2026-02-22
JefePass: New Password Manager from Zero to Loadable Extension - 2026-02-22
Monitoring the New Stacks & Model Refresh - 2026-02-22
Enclave: Discovery Features, Public Invites, and Repo Hardening - 2026-02-22
FreeChat: E2E Encrypted File Uploads - 2026-02-22
Ecosystem-Wide Review: Domain Audits, Jenkins Triage, and Security Scanning - 2026-02-21