Building Friday

This book is about building Friday — a personal AI assistant that lives on your machine, knows your projects, and works alongside you every day.

Chapters

1.
Bootstrap (1,380 words, 22 lines of code)
2.
The Wall of JSON (1,445 words, 101 lines of code)
3.
Optimize Claude Token Usage (1,584 words, 111 lines of code)
4.
Queue Messages While Streaming (1,248 words, 97 lines of code)
5.
Scheduled Task Watchdog (1,632 words, 128 lines of code)
6.
Project Switching (1,351 words, 106 lines of code)
7.
Workflow Commands (1,809 words, 30 lines of code)
8.
Background Tasks (1,479 words, 62 lines of code)
9.
Worktree Management (2,265 words, 131 lines of code)
10.
CWD Persistence (844 words, 46 lines of code)
11.
Post Length Overflow (906 words, 36 lines of code)
12.
System HUD (830 words, 15 lines of code)
13.
Multimedia Attachments (1,266 words, 129 lines of code)
14.
Standardize Command Back-ends (885 words, 58 lines of code)
15.
Add Notes (1,165 words, 79 lines of code)
16.
Integrating Shell (761 words, 31 lines of code)
17.
Build Messenger Abstraction (862 words, 96 lines of code)
18.
Background Task Overrides (914 words, 63 lines of code)

22,626 words, 1,341 lines of code