Files

T

Fusion e344e961d6 feat: implement web terminal for tool instances

- Add TerminalSession backend service for docker exec subprocess management
- Add TerminalManager for WebSocket session lifecycle management
- Create WebSocket endpoint at /ws/tool-instances/{id}/terminal
- Add session cookie authentication and instance ownership verification
- Install xterm.js with fit and web-links addons
- Create TerminalComponent with xterm.js integration
- Create TerminalPage with full-screen terminal view
- Add terminal route at /instances/:id/terminal
- Add terminal button to InstanceList for running instances
- Add terminal and arrow-left icons to icon registry
- Add comprehensive terminal CSS styles (dark theme, responsive)

Quality gates: typecheck ✓, lint ✓, build ✓, Python syntax ✓

2026-05-19 21:11:29 +02:00

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Tool Instances with Sessions

Problem

Users currently have no way to launch development tools (code-server, Jupyter, etc.) directly from their repositories. The tool-types system exists but cannot create running container instances. Additionally, there's no concept of a "session" - a running tool linked to a specific repo that appears in navigation for quick access.

Solution

Implement a complete tool instance management system with sessions:

ToolInstance Model - Links a ToolType to a GitRepository with status tracking
Session Concept - A running ToolInstance that gets a top-level navigation entry
Docker Integration - Render compose templates and execute docker compose commands
Lifecycle Management - Start, stop, restart, and delete instances
Navigation Integration - Active sessions appear in the app shell for quick access

Key Features

Tool Instance Creation

Select a tool type and repository
Generate unique instance name
Render Docker Compose template with variables
Execute docker compose up -d
Store container metadata

Session Management

Sessions are active/running instances
Each session gets a top-level nav entry with the tool icon
Session dropdown in app shell shows active sessions
Clicking a session opens the tool in a new tab/window

Lifecycle Operations

Start: docker compose start
Stop: docker compose stop
Restart: docker compose restart
Delete: docker compose down -v + remove DB record

Status Monitoring

pending, building, running, stopped, error
Real-time status via Docker API
Last accessed timestamp

Success Criteria

Create tool instances from repository page
Sessions appear in top-level navigation
Start/stop/restart/delete instances
Status monitoring works
Docker Compose templates render correctly
Navigation updates when sessions change

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