# 2026-06-12-completed-changes-archive/multi-session-terminal-ux
dir: 2026-06-12-completed-changes-archive/multi-session-terminal-ux

index: 2026-06-12-completed-changes-archive/multi-session-terminal-ux/.pi-map.index.md

## role
Archive of completed design documents and implementation specifications for adding multi-session terminal support to an existing tool instance platform.
## files
- .openspec.yaml | Defines metadata for a completed project specification named "multi-session-terminal-ux"
- apply-pr1.md | Documents the implementation of database schema, Alembic migration, and TerminalManager multi-session core for a multi-session terminal UX feature. | dep: Alembic, SQLAlchemy, aiosqlite, asyncio, pytest, TerminalSession, TerminalManager, UUIDPrimaryKeyMixin, TimestampMixin, SessionLocal
- apply-pr2.md | Documents the implementation of a multi-session terminal UX with WebSocket routing, REST CRUD endpoints, frontend API client/hook, and auth-focused tests, while maintaining backward compatibility with legacy single-session endpoints. | dep: WebSocket, REST API, React hooks, Python pytest, Docker/PTY, terminal session manager
- apply-pr3.md | Documents a pull request implementing a frontend multi-session terminal UI with tabbed management, fullscreen mode, keyboard shortcuts, and mobile support. | dep: React, TypeScript, WebSocket, CSS, Python (backend terminal manager), testing framework
- design.md | Software design document specifying architecture and implementation for adding multi-session terminal support (up to 5 concurrent sessions) to an existing tool instance platform | dep: FastAPI, SQLAlchemy, Alembic, React, xterm.js, WebSocket, PTY, docker exec, Python, TypeScript
- explore.md | Explores architectural options for adding multi-session terminal support to an existing persistent terminal system, evaluating backend, frontend, protocol, and database design choices with recommendations for MVP implementation. | dep: TerminalManager, TerminalSession, TerminalComponent, TerminalPage, MobileTerminalWrapper, xterm.js, FastAPI, SQLAlchemy, alembic
- proposal.md | Proposes architectural changes to support multiple concurrent terminal sessions per tool instance with improved UI/UX features | dep: TerminalManager, TerminalSession, api/terminal.py, TerminalComponent, terminal.tsx, WebSocket protocol, database schema
- tasks.md | A software design document specifying 12 implementation tasks for adding multi-session terminal UX support across backend (Python/FastAPI) and frontend (React/TypeScript) with detailed acceptance criteria, file changes, and TDD testing steps. | dep: Alembic, FastAPI, WebSocket, React, TypeScript, xterm.js (implied), pytest, Jest/npm test
## arch
Design-driven development with phased PR implementation (backend core → API/WebSocket → frontend UI), using FastAPI/WebSocket backend and React/TypeScript frontend, with explicit architectural exploration and task breakdown before coding.
## tags
terminal, session, multi, apply, implementation, alembic, websocket, support
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