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Krzysztof kuhy Rudnicki 00a08de076
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fix(enforcer): Steam CDP restart never worked (root+no-display, port collision)
The systemd service runs as root with no User=, so _run_as_user() had no
SUDO_USER/USER to drop privileges to and launched Steam as bare root with
no DISPLAY/XAUTHORITY/DBUS session - its CDP port never opened. Add an
explicit STEAM_ENFORCER_DESKTOP_USER env var (set in the unit, substituted
by install.sh) so the enforcer always knows which desktop user owns the
Steam session, regardless of how it was launched.

Also fix a hardcoded _CDP_PORT=8080 colliding with an already-running
local service bound to 0.0.0.0:8080: requests to 127.0.0.1:8080 always
hit that service instead of steamwebhelper (which only bound
[::1]:8080), so CDP detection could never succeed even with the user
fix. Move to 9222, the conventional Chrome DevTools port.

Verified live: journalctl shows CDP ready and games hidden within ~7s
of a service restart, Steam running as the desktop user (not root).
2026-07-18 06:49:10 +02:00
.github/workflows chore: set up as standalone repo 2026-05-28 07:21:29 +02:00
scripts Add CI-mirror pre-push gate + requirements-sync check 2026-07-11 17:47:14 +02:00
steam_backlog_enforcer fix(enforcer): Steam CDP restart never worked (root+no-display, port collision) 2026-07-18 06:49:10 +02:00
web feat: add pick-manual command with 2-week enforcement lock 2026-05-30 17:15:37 +02:00
.gitignore Add CI-mirror pre-push gate + requirements-sync check 2026-07-11 17:47:14 +02:00
.mcp.json Add MCP server exposing the enforcer to Claude Code 2026-07-10 21:05:17 +02:00
.pre-commit-config.yaml Add CI-mirror pre-push gate + requirements-sync check 2026-07-11 17:47:14 +02:00
CLAUDE.md feat: add block-gaming command (Stage 4) + guard-lib migration cleanup 2026-07-04 11:45:54 +02:00
install.sh fix(enforcer): Steam CDP restart never worked (root+no-display, port collision) 2026-07-18 06:49:10 +02:00
pyproject.toml Add MCP server exposing the enforcer to Claude Code 2026-07-10 21:05:17 +02:00
README.md Add MCP server exposing the enforcer to Claude Code 2026-07-10 21:05:17 +02:00
requirements.txt Add CI-mirror pre-push gate + requirements-sync check 2026-07-11 17:47:14 +02:00
run.sh feat: add block-gaming command (Stage 4) + guard-lib migration cleanup 2026-07-04 11:45:54 +02:00
steam-backlog-enforcer.service fix(enforcer): Steam CDP restart never worked (root+no-display, port collision) 2026-07-18 06:49:10 +02:00

Steam Backlog Enforcer

Forces you to 100% complete one Steam game at a time before moving on.

Features

  • Achievement tracking: Picks the next game by shortest HLTB completionist time
  • Store blocking: Blocks store.steampowered.com via /etc/hosts
  • Game uninstalling: Removes all installed games except the assigned one
  • Process enforcement: Kills unauthorized game processes
  • Tampering detection: Detects achievement unlocks on non-assigned games
  • HLTB integration: Estimates completion time with persistent cache

Setup

python -m python_pkg.steam_backlog_enforcer.main setup

Commands

Command Description
scan Scan library, fetch HLTB data, assign game
check Check if assigned game is complete
status Show current assignment and blocking
list List incomplete games from snapshot
skip Skip the currently assigned game
enforce Run enforcer (block, uninstall, kill)
unblock Remove store blocking
reset Reset all state
installed List currently installed Steam games
uninstall Interactively uninstall non-assigned games
setup First-time configuration

Enforce mode

sudo python -m python_pkg.steam_backlog_enforcer.main enforce

This will:

  1. Block Steam store in /etc/hosts
  2. Uninstall all games except the assigned one
  3. Continuously kill any unauthorized game processes

Game Uninstall

Directly removes appmanifest files and game directories from ~/.local/share/Steam/steamapps/. Preserves Proton versions and Steam Linux Runtime.

python -m python_pkg.steam_backlog_enforcer.main uninstall

MCP server (Claude Code integration)

The enforcer exposes an MCP server (steam_backlog_enforcer._mcp) so Claude Code and its subagents can query the backlog and drive it through typed tools.

  • Read tools: get_dataset, get_status, get_stats, list_backlog.
  • Gated write tools: pick_manual, block_gaming — each defaults to a dry-run preview; pass confirm=true to actually apply. These write tools must never be added to a permission allowlist (a subagent could otherwise bypass the human confirmation).

The mcp SDK is an optional dependency (pip install -e '.[mcp]'), kept out of the CLI/systemd system-python path. One-time setup of the dedicated venv that Claude Code spawns:

./scripts/setup_mcp.sh

Registration lives in the checked-in .mcp.json (project scope). Restart Claude Code in this repo and approve the project MCP-server prompt for it to load. Verify with claude mcp list.