testsAndMisc/linux_configuration/docs/security-hardening/DOCS-02-language-choice.md
Krzysztof kuhy Rudnicki 49d82511c3 Adopt the four markdown namespaces and gate them
Renames this repo's markdown onto README.md / CLAUDE*.md / DOCS*.md /
TODO*.md so a future session can tell a live task from a finished
record without reading the file to find out.

TODO files carry the literal "REMOVE ME AFTER FINISH" and are deleted
when the work lands. Enforced by the md-naming pre-commit hook and CI
workflow, both delegating to the shared gate in kuhyx/utils so this
repo's idea of a valid name cannot drift from every other repo's.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01A47aX5DJwmA3QFn3pkEWi7
2026-08-24 15:55:46 +02:00

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## Part 2: Language Considerations
### Shell (Bash) Limitations
**Pros:**
- Native to the system, no dependencies
- Direct access to systemd, chattr, filesystem
- Fast for simple operations
**Cons:**
- No persistent daemon capability (need systemd for that)
- Race conditions in file operations
- Complex state management is fragile
- No proper event loop for window monitoring
- Cannot easily monitor process list in real-time
### Python Advantages for Certain Tasks
**Where Python would be better:**
1. **Process monitoring daemon** - Watch for Steam/browsers in real-time with proper event loop
2. **Window management** - Using `python-xlib` for proper X11 interaction
3. **Complex state machines** - Like the screen locker
4. **Cross-repo integration** - The screen_lock.py already shows good patterns
### Recommendation
| Component | Keep Bash | Move to Python | Reason |
| ----------------- | --------- | -------------- | ------------------------------------ |
| hosts guard | ✅ | | Simple file ops, systemd integration |
| shutdown schedule | ✅ | | Systemd timers, config files |
| screen locker | | ✅ Already | Complex UI, state machine |
| pacman wrapper | ✅ | | Must intercept pacman |
| compulsive block | | ✅ | Needs daemon for auto-close |
| music wrapper | | ✅ | Needs real-time process monitoring |
**New Python Daemon Needed:** A single "digital wellbeing daemon" that:
1. Monitors running processes
2. Auto-closes apps after timeout
3. Enforces Steam/browser mutual exclusion
4. Can be controlled via DBus