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Krzysztof kuhy Rudnicki d54df3a1ad
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fix(enforcer): idle when Steam is absent instead of crash-looping
A total gaming block on 2026-07-04 purged the Steam client (packages and
all data dirs, per total_block_purge_log.json) and it was never
reinstalled. The enforcer kept trying to drive it anyway: every start
called ensure_steam_debug_port() -> _launch_steam_with_debug(), waited
45s for a CDP port no process would ever open, raised, and exited 1 into
Restart=always. That ran to 1050+ restarts.

Each attempt also left a zombie behind: _run_as_user() launches
fire-and-forget via Popen and never reaps, so a launch that dies on exec
lingers as a dead process still named "steam". The focus-mode daemon
scans /proc for process names and read that zombie as a live Steam,
entering GAMING mode and killing the user's browsers every few seconds.

- steam_is_installed(): probe the real /usr/bin/steam. Deliberately not
  shutil.which("steam") - a launcher wrapper on $PATH keeps `which`
  truthy long after the package is gone, which is precisely how a
  deleted Steam went on looking installed.
- SteamUnavailableError (a RuntimeError, so existing handlers still
  catch it) raised on both "not installed" and CDP timeout, and caught
  at the _enforce_hide_games boundary: no library to hide is not fatal,
  the store block and install guard still work.
- Guard _enforce_loop_iteration and game_install._ensure_steam_running,
  whose 15s sleep was the source of the observed flapping interval.
- do_enforce falls through to the idle loop rather than returning:
  returning exits the process, which under Restart=always is the same
  crash loop by another name.
- _reap_spawned() retires exited launches so no zombie named "steam"
  outlives them.

Verified live: NRestarts 1050 -> 0, service active/running for 60s+ with
zero errors and zero steam zombies, logging "Steam is not installed -
nothing to enforce."

Also removed the orphaned /usr/local/bin/steam wrapper, a leftover of
the purge that pointed at the deleted binary. Its body was:
  #!/bin/sh
  exec /usr/bin/steam -cef-disable-gpu -cef-disable-gpu-compositing "$@"
Restore those flags if a Steam reinstall brings back GPU trouble.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013rN2usTS3pYLJqeVg2ZpgR
2026-07-17 13:53:24 +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): idle when Steam is absent instead of crash-looping 2026-07-17 13:53:24 +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 Point guard-lib at the consolidated utils monorepo 2026-07-10 14:01:04 +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 chore: set up as standalone repo 2026-05-28 07:21:29 +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.