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orbithub/docs/OrbitHub_v0_Spec_CPP_QtWidgets.md

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# OrbitHub v0 Specification (Pure C++ / Qt6 Widgets)
## Overview
OrbitHub is a cross-platform native desktop application for managing and launching remote sessions.
Platforms:
- Windows 11
- Linux (Mint/Ubuntu-family)
- macOS
Implementation:
- 100% C++
- Qt 6 Widgets (no Qt Quick)
- CMake build system
- MIT License
This replaces the earlier Python-based architecture.
---
## UX Model
OrbitHub uses a two-window model:
1) Profiles Window (single instance)
- List of saved profiles
- Search box
- New / Edit / Delete
- Double-click connects
2) Session Window(s)
- QTabWidget
- One tab per session
- Close tab destroys session
- Placeholder view widget displays:
"OrbitHub Native Surface"
---
## Milestone 0
- Fresh C++/Qt repo scaffold
- App builds
- Profiles window launches
- Session window opens with placeholder tab
- Tag: v0-m0-done
---
## Milestone 1
- SQLite integration
- Profiles CRUD
- Connect loads profile name into tab
- Tag: v0-m1-done
---
## Milestone 2
- Extend profiles schema (`host`, `port`, `username`, `protocol`, `auth_mode`)
- Replace prompt-based create/edit with a structured profile dialog form
- Connect loads full profile details into session tab
- Session lifecycle states in UI (`Connecting`, `Connected`, `Failed`) with non-blocking updates
- Tag: v0-m2-done
---
## Milestone 3
- Real SSH backend using native `ssh` process (connect, disconnect, reconnect)
- Protocol backend abstraction with worker-thread execution
- RDP/VNC explicitly marked as not implemented in session UX
- Connect-time credential prompts (password/private key path) with no secret storage in DB
- Session tab controls: `Connect`, `Disconnect`, `Reconnect`, `Copy Error`
- Per-session timestamped event log and user-friendly error mapping
- Profile schema extended with `private_key_path` and `known_hosts_policy`
- Tag: v0-m3-done
---
## Milestone 4
- Interactive embedded SSH terminal (`KodoTerm` + `libvterm`)
- SSH host-key trust prompt flow for `Ask` policy
- Improved SSH auth flow for password / private key
- Terminal utilities and UX polish (theme, clear, resize/input behavior)
- Session lifecycle UX cleanup (auto-connect, disconnect on close, tab state indicators)
- Tag: v0-m4-done
---
## Milestone 5 - RDP Fully Working
- Implement complete RDP protocol support (replace not-implemented RDP path)
- Deliver a usable in-app RDP session experience consistent with SSH tab UX
- Support RDP connect/disconnect/reconnect lifecycle from OrbitHub
- Add required RDP-specific connect options in profile/session flows
- Normalize event/error reporting with existing SSH behavior
- Planned Tag: v0-m5-done
---
## Milestone 6 - VNC Fully Working
- Implement complete VNC protocol support (replace not-implemented VNC path)
- Deliver a usable in-app VNC session experience consistent with SSH/RDP tab UX
- Support VNC connect/disconnect/reconnect lifecycle from OrbitHub
- Add required VNC-specific connect options in profile/session flows
- Normalize event/error reporting with SSH/RDP behavior
- Planned Tag: v0-m6-done
---
## Milestone 7 - Cross-Platform Protocol Hardening
- Validate SSH/RDP/VNC behavior on Windows, Linux, and macOS
- Resolve platform-specific path/process/auth differences
- Improve diagnostics and failure messaging for common protocol issues
- Add protocol regression checklist and repeatable verification scripts
- Planned Tag: v0-m7-done
---
## Milestone 8 - Profile and Session UX Completion
- Complete profile fields/validation for all protocols
- Add quality-of-life controls for active sessions (tab context actions, defaults, persistence)
- Persist per-user UI/session preferences (theme, panel visibility, terminal defaults)
- Improve session history/event visibility and filtering
- Planned Tag: v0-m8-done
---
## Milestone 9 - Packaging and Distribution
- Produce distributable artifacts for Windows, Linux, and macOS
- Document dependency/runtime requirements per platform
- Add release build scripts for reproducible packaging
- Validate clean install + first-run flow on each platform
- Planned Tag: v0-m9-done
---
## Milestone 10 - v1.0 Stabilization
- End-to-end QA pass across core workflows (profile CRUD + SSH/RDP/VNC session lifecycle)
- Fix blocker/critical defects from validation
- Finalize docs (`BUILDING`, usage notes, known limitations)
- Prepare v1.0 release notes and final acceptance checklist
- Planned Tag: v1.0.0