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left4me/l4d2web
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mwiegand 8f5306db09
fix(server-detail): scroll the actual container, not the autoscroll target 
The inline Log tab uses .tab-pane (height:18rem, overflow:auto) as its
scroll container. .log-stream has overflow:auto too but max-height:none
in tab-pane context, so it grows to fit and scrollHeight === clientHeight
— setting scrollTop on the <pre> was a no-op.

scrollAutoscrollTargets now walks up from each [data-autoscroll] target
until it finds an element whose CSS allows scrolling AND whose content
is actually overflowing (scrollHeight > clientHeight). sse.js delegates
to the same helper so per-line log appends scroll the right container.

e2e: new test asserts the .tab-pane is pinned to its bottom after 200
log lines are injected and the helper runs.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-21 09:53:06 +02:00
..
alembic feat(l4d2-web): add command_history table for RCON console transcript 2026-05-14 21:26:56 +02:00
l4d2web fix(server-detail): scroll the actual container, not the autoscroll target 2026-05-21 09:53:06 +02:00
scripts docs(editor): document vocab argument shape on rankVocab 2026-05-17 18:38:01 +02:00
tests fix(server-detail): scroll the actual container, not the autoscroll target 2026-05-21 09:53:06 +02:00
alembic.ini chore(l4d2): flatten component layout 2026-05-05 23:47:06 +02:00
pyproject.toml refactor(repo): uv workspace + hatchling + layout restructure 2026-05-15 22:04:29 +02:00
README.md refactor(repo): uv workspace + hatchling + layout restructure 2026-05-15 22:04:29 +02:00

README.md

l4d2-web-app

Flask web app for managing L4D2 servers through user-private blueprints.

Key v1 behaviors

  • Local username/password login; no public signup
  • Admin-managed overlay catalog
  • Private blueprints per user
  • Server creation from blueprints (live-linked; no per-server blueprint overrides)
  • Async job model with persisted command logs in job_logs
  • Desired vs actual state model
  • Live logs for jobs and servers via SSE endpoints
  • Host operations go through l4d2ctl via a local host command runner, not direct l4d2host imports

Frontend constraints

  • Server-rendered templates (Jinja)
  • Vendored HTMX (static/vendor/htmx.min.js)
  • Custom CSS only
  • Tokenized, consistent link and accent colors

Development

From the workspace root (../):

uv sync          # creates .venv, installs l4d2host + l4d2web editable, plus dev deps
uv run pytest l4d2web/tests -q

Configuration

The web app reads these settings from the environment:

  • DATABASE_URL: SQLAlchemy database URL, for example sqlite:////var/lib/left4me/left4me.db.
  • SECRET_KEY: Flask secret key used for sessions and CSRF-sensitive state.
  • JOB_WORKER_THREADS: number of background job worker threads.

In the systemd deployment, environment is loaded from /etc/left4me/host.env and /etc/left4me/web.env.

Admin Bootstrap

Create the first admin account with the Flask CLI. Provide the password through LEFT4ME_ADMIN_PASSWORD:

LEFT4ME_ADMIN_PASSWORD='change-me' flask create-user <username> --admin