# Core System Paths

> Provide core-layer access to session and update helpers without UI importing utils directly.

- Skill: `tools-only/core-system-paths` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add tools-only/core-system-paths`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tools-only/core-system-paths/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: tools-only (https://skillmd.com/u/tools-only)
- Updated: 2026-09-29
- Page: https://skillmd.com/skills/tools-only/core-system-paths

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# Core System Paths

## Purpose
Provide core-layer access to session and update helpers without UI importing utils directly.

## Key Functions

### get_project_id
Returns a stable project identifier based on the current repository or working directory.

### delete_session_file
Removes a persisted session file for a project/session pair.

### check_for_updates
Checks whether a newer TunaCode CLI version is available.

## Integration Points

- **ui/app.py** - session metadata initialization
- **ui/main.py** - background update checks
- **ui/commands/__init__.py** - update and resume commands