etwenandClaude Opus 4.8
38b6af1f35
Bump the version badge to 0.3.3 and add the v0.3.3 entry to Version History in both README.md and README.zh-TW.md (terminal input fix). Add the v0.3.3 release note, and include the previously uncommitted v0.3.2 release note. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
470 lines
23 KiB
Markdown
470 lines
23 KiB
Markdown
# ETTerms
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[](README.md) [](README.zh-TW.md)
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> A native Windows terminal workspace (C# .NET 8 WinForms) — **SSH**, **Serial Port**, and **local Shell (ConPTY)** in one window, with a **TTL scripting engine** ported from MyTeraTerm for automation, plus an optional **Serial MCP server** that lets AI agents (Kiro CLI / Claude CLI) drive the serial port directly. Standalone, no cloud, no login.
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---
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## 📖 Table of Contents
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- [✨ Features](#-features)
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- [🖼️ Layout](#️-layout)
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- [💻 System Requirements](#-system-requirements)
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- [📥 Installation](#-installation)
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- [🚀 Quick Start](#-quick-start)
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- [📚 Usage Guide](#-usage-guide)
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- [🤖 TTL Scripting](#-ttl-scripting)
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- [👥 Group Sync Execution](#-group-sync-execution)
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- [⚡ PDU Power Control](#-pdu-power-control)
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- [🤖 AI / MCP Integration](#-ai--mcp-integration)
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- [🔐 Data & Security](#-data--security)
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- [🔧 Troubleshooting](#-troubleshooting)
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- [🔨 Building from Source](#-building-from-source)
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- [📁 Project Structure](#-project-structure)
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- [🤝 Contributing](#-contributing)
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- [📜 Version History](#-version-history)
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- [📄 License](#-license)
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- [🙏 Acknowledgments](#-acknowledgments)
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---
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## ✨ Features
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### Core Functionality
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- 🖥️ **Multiple protocols in one workspace**
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- **SSH** (`SSH.NET`): password / private key / keyboard-interactive auth, with built-in SFTP
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- **Serial Port** (`System.IO.Ports`): configurable COM port, baud, data bits, parity, stop bits, handshake
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- **Local Shell** (Windows ConPTY): launch PowerShell / Cmd / Bash directly
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- 🪟 **Tiling tabbed workspace**
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- One-click grid layouts: `1×1 / 1×2 / 2×1 / 2×2 / 2×3 / 3×3`
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- Per-pane manual split: `↔` horizontal / `↕` vertical, drag splitters to resize proportionally
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- Each pane hosts its own mini tab strip for multiple connections
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- 🗂️ **Editable connection sidebar (Saved Connections)**
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- Nested folders with connection-count badges, expand / collapse all
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- Live filter by name / host, matching branches auto-expand
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- Context menu & toolbar: add / rename / delete, drag to re-categorize
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- Double-click to open in the active pane; ad-hoc quick connect (not saved)
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- 🤖 **TTL script automation**
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- TTL (Tera Term Language) interpreter ported and extended from MyTeraTerm
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- Runs `.ttl` against the active session, showing file / line / current command live
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- Supports `send` / `sendln` / `wait` / `if` / `while` / variable math / file logging
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- Long-running `wait` / `while` can be aborted anytime with **■ Stop**
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- 👥 **Group sync execution**
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- Assign tabs to Group 1/2/3 and run one script across the whole group at once
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- Sync commands: `waitall` (barrier), `sendlnall` (send after all arrive), `sendlngroup` (target a member)
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- ⚡ **PDU power control (optional)**
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- Control PDU outlets over SNMP (`SnmpSharpNet`) to power-cycle devices during tests
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- **Status → PDU** tab: connect to a PDU, auto-poll outlet state every 3 s, and toggle any port on/off with per-row **Control** buttons
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- Script commands: `pduconnect` / `pductrl`
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- 🤖 **AI / MCP integration (optional)**
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- The **GUI owns the COM port**; a standalone stdio **Serial MCP server** bridges to it over a local named pipe for **Kiro CLI / Claude CLI**
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- Tools: `serial_list` / `serial_attach` / `serial_write` / `serial_read` / `serial_detach`
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- AI's serial TX/RX shows live in the GUI tagged `[AI]` — open the port in the GUI first, then let the AI attach
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- **One-click setup** in **Settings → AI MCP**: register the server into Claude Code / Kiro with a single button
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- 📊 **Session RX logging**
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- `logopen` / `logwrite` / `logclose` write session output to file
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### Terminal Rendering
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- 🎨 Owner-drawn VT100 / ANSI control, double-buffered cell grid
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- 🌑 KKTerm-style dark theme (incl. DWM dark title bar + dark terminal scrollbar)
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- 🔤 Configurable font / size / palette / scrollback
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- 🖱️ Scroll back through long output with the mouse wheel or the dark scrollbar
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- 📋 Select / copy / paste — right-click copy clears the highlight; multi-line paste uses **bracketed paste** so it isn't submitted line-by-line
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---
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## 🖼️ Layout
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```
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┌──────┬─────────────────────┬───────────────────────────────────────┐
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│ ▣ T │ Saved Connections │ Workspace (tiling) │
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│ ▣ S │ 🔍 search │ ┌─────────────────┬─────────────────┐ │
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│ ▣ ⚙ │ ▾ 📁 Servers (2) │ │ [tab1][tab2] + │ [tab1] + │ │
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│ │ ▸ SSH srv-01 │ │ │ │ │
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│ icon │ ▸ SSH nas │ │ TerminalView │ TerminalView │ │
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│ rail │ ▾ 📁 Boards (2) │ │ (owner-drawn) │ (owner-drawn) │ │
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│ │ ▸ COM3 @115200 │ │ │ │ │
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│ │ ▸ COM7 @9600 │ ├─────────────────┴─────────────────┤ │
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│ │ │ │ [Group1-A] ▶ Script ■ Stop │ │
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└──────┴─────────────────────┴───────────────────────────────────────┘
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Activity Rail Sidebar Tabbed / Tiling Workspace
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```
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> The Activity Rail switches the three main views — **Terminal / Scripts / Settings**. The sidebar manages saved connections; the workspace holds multiple sessions across tabs and tiled panes.
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---
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## 💻 System Requirements
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| Item | Requirement |
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|------|-------------|
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| OS | Windows 10 (1809+) / Windows 11 |
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| Runtime | .NET 8 Desktop Runtime (`Microsoft.WindowsDesktop.App 8.0.x`) |
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| Display | 1600×900 or higher recommended |
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| Optional hardware | USB-to-Serial adapter (Serial), SNMP-capable PDU (power control) |
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Check the runtime:
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```powershell
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dotnet --list-runtimes | findstr WindowsDesktop
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```
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---
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## 📥 Installation
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Source build for now (no binary release yet).
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```powershell
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git clone <repo-url> ETTerms
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cd ETTerms
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dotnet build
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dotnet run --project src\ETTerms\ETTerms.csproj
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```
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Full steps in [Building from Source](#-building-from-source).
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---
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## 🚀 Quick Start
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### Create an SSH connection
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1. Launch ETTerms; on the left Activity Rail switch to **Terminal**
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2. In the sidebar click **＋ New Connection** and pick type **SSH**
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3. Enter `Host` / `Port` (default 22) / `Username`, choose auth (password / private key)
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4. Double-click the connection → opens a tab in the active pane
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### Create a Serial connection
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1. Sidebar **＋ New Connection**, type **Serial**
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2. Pick `COM port` and `BaudRate` (e.g. `COM3` / `115200`)
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3. Double-click to open
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### Run a TTL script
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1. With a tab connected, click **▶ Script** on the script bar and pick a `.ttl`
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2. The left status bar shows the running line and command live
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3. Press **■ Stop** to abort if needed
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---
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## 📚 Usage Guide
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### Activity Rail
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Switches the three main views: **Terminal** (workspace), **Scripts** (edit & run), **Settings** (preferences).
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### Connection Sidebar (Saved Connections)
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| Action | How |
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|--------|-----|
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| Add folder / connection | Toolbar button or context menu |
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| Rename / delete | Context menu |
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| Categorize | Drag a connection or folder into a target folder (cannot drop into its own descendant) |
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| Search | Top search box, live filter by name / host |
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| Open connection | Double-click → opens in the active pane |
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### Workspace Tiling
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- One-click grid layouts: `1×1 / 1×2 / 2×1 / 2×2 / 2×3 / 3×3`
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- Per-pane actions (top-right): `↔` split horizontally, `↕` split vertically, `＋` new tab, `✕` close
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- Closing a pane collapses the split so siblings fill the space; at least one pane remains
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- The active pane is outlined with an accent border
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### Terminal
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- Incoming channel bytes → ANSI parser → screen buffer → painted
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- Keyboard input is encoded to byte sequences sent to the remote
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- Supports scrollback, select / copy / paste; font and palette under **Settings**
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---
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## 🤖 TTL Scripting
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On any connection tab's script bar, click **▶ Script** to load a `.ttl` and run it against that connection. Full syntax and examples in
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[docs/ttl-script-reference.md](docs/ttl-script-reference.md); sample scripts in `tools/scripts/`.
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### Supported Commands
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| Command | Description |
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|---------|-------------|
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| `send 'text'` | Send text (no newline) |
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| `sendln 'text'` | Send text plus `\r\n` |
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| `wait 'string'` | Wait until the string appears in the RX buffer (infinite by default, cancellable via Stop); sets `result=1` on match |
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| `flushrecv` | Clear the RX buffer |
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| `pause seconds` | Pause N seconds (cancellable via Stop) |
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| `timeout = seconds` | `wait` timeout; `0` = infinite, `N>0` aborts the script with an error on timeout |
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| `if … then` / `elseif … then` / `else` / `endif` | Conditional branching (nestable) |
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| `while …` / `endwhile` | Loop (nestable, cancellable via Stop) |
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| `name = value` | Variable assignment; integer `+ - * /` and strings; built-in `result` |
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| `logopen 'file'` | Open a log file (overwrite) |
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| `logwrite 'text'` | Write one line to the log |
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| `logclose` | Close the log (auto-closed at script end) |
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| `messagebox 'msg'` | Show a topmost dialog |
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| `; comment` | Inline comment (from `;` to end of line) |
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| `:label` | Label line (skipped) |
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**Comparison operators** (`if` / `elseif` / `while`): `>=` `<=` `>` `<` `==` `!=` `=`, or none (non-zero = true).
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### Example: auto login
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```ttl
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; tools/scripts/login.ttl
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timeout = 10
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wait 'login: '
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sendln 'root'
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wait 'Password: '
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sendln 'toor'
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wait '# '
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sendln 'uname -a'
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```
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---
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## 👥 Group Sync Execution
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Assign multiple tabs to one Group and run a single script across all of them — ideal for syncing multiple DUTs.
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1. **Right-click a tab** → set as Group 1 / 2 / 3 (or clear); the cell footer shows a `[Group1-A]` label
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2. Click **▶ Group1 / ▶ Group2 / ▶ Group3** on the toolbar to run across the whole group
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| Command | Description |
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|---------|-------------|
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| `waitall 'string'` | All members wait for the keyword, then continue together (`System.Threading.Barrier`) |
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| `sendlnall 'text'` | Each member sends once all have arrived |
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| `sendlngroup N 'text'` | Only the specified member sends |
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> ⚠️ Group sync commands work **only in Run Group mode**; `▶ Script` and `▶ Run All` reject scripts containing them and show a warning.
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---
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## ⚡ PDU Power Control
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Control PDU outlets over SNMP to power-cycle a DUT from within a script.
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```ttl
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; connect PDU (device 2 = iPoMan II 1202, IP 192.168.1.21)
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pduconnect 2 192.168.1.21
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pductrl 2 1 0 ; turn port 1 off
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pause 5
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pductrl 2 1 1 ; turn port 1 on
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wait 'login: '
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```
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| Command | Syntax | Description |
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|---------|--------|-------------|
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| `pduconnect` | `pduconnect <device> <ip>` | Connect to a PDU |
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| `pductrl` | `pductrl <device> <port> <0\|1>` | Set a port off(0) / on(1) |
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---
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## 🤖 AI / MCP Integration
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> Let AI agents (**Kiro CLI / Claude CLI**) send/receive on a serial port **while you watch it live in the ETTerms GUI**.
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**Key design: the GUI owns the COM port; the MCP server never opens it.** A COM port can be opened by only one process at a time, so rather than the MCP server grabbing it, the GUI is the sole owner and runs a local **named pipe server** (`SerialBridgeServer`). The standalone `ETTerms.SerialMcp` (launched by Kiro/Claude CLI) is a thin client: every `write` / `read` is forwarded over the pipe to the GUI, which does the real port I/O. AI's TX is echoed into the terminal tagged `[AI]`, so RX/TX flow through the GUI channel and what you see is exactly what the AI sees.
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Full closed loop — all inside the ETTerms GUI:
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- **Tab 1:** a Serial session holding e.g. COM3 (shows traffic live; AI's writes tagged `[AI]`)
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- **Tab 2:** a PowerShell (ConPTY) tab running `kiro-cli`, which spawns `ETTerms.SerialMcp`, which connects back to the pipe
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| Tool | Params | Description |
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|------|--------|-------------|
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| `serial_list` | — | List serial sessions currently **open in the GUI** (name + baud) |
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| `serial_attach` | portName | Bind to a GUI serial session by COM name (required before write/read) |
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| `serial_write` | text, appendNewline? | Send text via the GUI (shown live tagged `[AI]`) |
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| `serial_read` | waitFor?, timeoutMs? | Drain accumulated RX; optionally wait for a substring / timeout |
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| `serial_detach` | — | Unbind (does **not** close the GUI's port) |
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### One-click setup (recommended)
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In **Settings → AI MCP**, click **Setup** on the Claude Code or Kiro card to register the Serial MCP server into that CLI's user-level config (`~/.claude.json` / `~/.kiro/settings/mcp.json`) with a single button. Your other MCP servers are preserved, and each card shows the CLI command to verify the connection. **Remove** unregisters it.
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### Manual setup
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```powershell
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kiro-cli mcp add --name serial --command dotnet --args "run --project src\ETTerms.SerialMcp\ETTerms.SerialMcp.csproj"
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```
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Or add it to `agent.json` under `mcpServers` (Claude CLI uses an equivalent `mcpServers` config). **Open the target serial connection in the ETTerms GUI first**, then tell the AI: *"list serial sessions, attach to COM3, send `AT` and read the reply."*
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> ⚠️ The COM port is owned solely by the GUI. The MCP server attaches over the pipe — it never opens the port itself, so there's no GUI-vs-server conflict.
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📖 Step-by-step setup: [docs/serial-mcp-guide.md](docs/serial-mcp-guide.md).
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---
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## 🔐 Data & Security
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- **Standalone, no cloud:** connection metadata is stored in a local SQLite file (`%LocalAppData%\ETTerms\ettermsdb.sqlite`); no telemetry is sent.
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- **Passwords never stored in plaintext:** SQLite holds only a `CredentialKey` pointing to **Windows Credential Manager**; actual passwords / key passphrases are accessed via `CredentialVault`.
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- **SSH host keys:** the fingerprint is shown for confirmation on first connect (trust-on-first-use), then compared; mismatches warn.
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- **Logs contain no secrets:** `AppLogger` and `logopen` record only host / port, never credentials.
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- **No `secret/` directory:** a single-user desktop app with no server-side secrets, DB passwords, or compile-time secrets.
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---
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## 🔧 Troubleshooting
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| Issue | Likely cause | Fix |
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|-------|--------------|-----|
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| Startup reports missing runtime | .NET 8 Desktop Runtime not installed | Install `Microsoft.WindowsDesktop.App 8.0.x`; verify with `dotnet --list-runtimes` |
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| Serial connect fails / port busy | COM port held by another app | Close other terminal apps; a COM port can be opened by only one session at a time |
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| SSH auth fails | Wrong credentials / key or host-key mismatch | Check auth settings; verify the host-key fingerprint |
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| Script stuck on `wait` | Expected string never received | Check connection & baud, verify the `wait` string; set `timeout` or press ■ Stop |
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| Group script rejected | Ran a script with Group commands via `▶ Script` | Use **▶ GroupN** instead |
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More runbooks in [docs/runbooks/](docs/runbooks/).
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---
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## 🔨 Building from Source
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### Prerequisites
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- .NET 8 SDK (or SDK 9/10 + .NET 8 Desktop Runtime)
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- Visual Studio 2022 or VS Code + C# extension
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- Git
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### Build & Run
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```powershell
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dotnet --list-sdks
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dotnet build
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dotnet run --project src\ETTerms\ETTerms.csproj
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```
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### Key NuGet Packages
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| Package | Purpose |
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|---------|---------|
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| `SSH.NET` | SSH shell + SFTP |
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| `System.IO.Ports` | Serial connections |
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| `Microsoft.Data.Sqlite` | Connection metadata storage |
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| `SnmpSharpNet` | PDU control (optional) |
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### Publish (self-contained=false)
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```powershell
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dotnet publish src\ETTerms\ETTerms.csproj -c Release -r win-x64 --self-contained false
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```
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---
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## 📁 Project Structure
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```
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ETTerms/
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├── README.md # English (default)
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├── README.zh-TW.md # Traditional Chinese
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├── ARCHITECTURE.md # Full architecture doc
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├── CLAUDE.md # Project memory & dev commands
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├── ETTerms.slnx
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├── docs/
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│ ├── ttl-script-reference.md # TTL command reference
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│ └── runbooks/ # Runbooks / troubleshooting
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├── tools/scripts/ # Sample .ttl scripts
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├── src/ETTerms/ # Main application (WinForms)
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│ ├── App/ # Window shell: MainForm / ActivityRail / ConnectionSidebar / Workspace
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│ ├── Terminal/ # Owner-drawn VT100: TerminalView / AnsiParser / ScreenBuffer / TerminalInput
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│ ├── Sessions/ # Connection abstraction: ISessionChannel / SshChannel / SerialChannel / ShellChannel
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│ ├── Connections/ # Connection data: Connection / ConnectionStore(SQLite) / CredentialVault
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│ ├── Scripting/ # TTL engine: TTLInterpreter / ScriptRunner / GroupSyncContext / Pdu
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│ └── Infrastructure/ # AppLogger / AppSettings / McpRegistrar / NativeTheme
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└── src/ETTerms.SerialMcp/ # Serial MCP server (stdio) — lets AI agents drive the serial port
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```
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**Core design:** every connection implements `ISessionChannel` (`Write(byte[])` + `event DataReceived`). `TerminalView` and `TTLInterpreter` only know this abstraction, so SSH / Serial / Shell look identical to upper layers — the key to "one script engine driving multiple connection types." See [ARCHITECTURE.md](ARCHITECTURE.md).
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---
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## 🤝 Contributing
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1. Fork and create a feature branch: `git checkout -b feature/your-feature`
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2. Follow [Conventional Commits](https://www.conventionalcommits.org/): `feat(serial): add auto-reconnect`
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3. Push and open a Pull Request
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**Conventions:** PascalCase types / methods, `_camelCase` private fields, filename = class name; the UI layer depends only on the `ISessionChannel` abstraction; channel I/O runs in the background and all UI updates go back to the UI thread via `Control.Invoke`.
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---
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## 📜 Version History
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### v0.3.3
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- **Terminal input fix** — after the terminal had printed output (Serial or PowerShell), switching away and back (minimize, or click another app) could leave it unable to accept typing or **Enter**, forcing a session reopen; idle sessions were never affected
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- Cause: once output built up scrollback, the terminal's scrollbar could steal keyboard focus on window re-activation. The scrollbar is now mouse-only and never takes focus, so input keeps working no matter how much has printed
|
||
|
||
### v0.3.2
|
||
|
||
- **Status → PDU tab** — a dedicated `Status` rail view hosts the PDU panel: connect by IP, auto-poll all 12 outlets every 3 s (background thread, no manual Refresh), with live current / power readouts
|
||
- **Manual outlet control buttons** — each row has a **Control** button that toggles that port on/off over SNMP; the label tracks state (ON → "Turn OFF", OFF → "Turn ON"), the SNMP set runs off the UI thread, and the grid refreshes after the command
|
||
|
||
### v0.3.1
|
||
|
||
- **Terminal usability fixes** — added a **dark vertical scrollbar** (drag or click-to-page through long output instead of long mouse-wheel scrolling)
|
||
- **Multi-line paste** into Kiro CLI / PSReadLine now pastes as a single block (**bracketed paste**, DEC mode 2004) instead of submitting each line immediately
|
||
- Right-click copy now **clears the highlight** so you know it worked
|
||
|
||
### v0.3.0
|
||
|
||
- **AI-driven PDU power control (MCP)** — new `ETTerms.PduMcp` server lets AI agents (Kiro CLI / Claude CLI) control an SNMP PDU directly: outlets on/off, status, and power-cycle a DUT during automated tests
|
||
- PDU runs over SNMP (UDP, non-exclusive), so the AI talks to it directly — the ETTerms GUI does not need to be running
|
||
- Tools: `pdu_connect` / `pdu_list` / `pdu_set_port` / `pdu_get_port` / `pdu_status` / `pdu_power_cycle` / `pdu_disconnect`
|
||
- **Settings → AI MCP** now registers both `etterms-serial` and `etterms-pdu` with one click; publishing the GUI auto-bundles both MCP servers
|
||
|
||
### v0.2.2
|
||
|
||
- **Terminal stability** — the terminal no longer freezes after minimizing or switching tabs (most noticeable with full-screen TUIs like Kiro CLI in PowerShell); a degenerate 1×1 size is no longer sent to the pseudo-console
|
||
- **Shift+Enter** inserts a newline in the shell, so you can type multi-line commands (plain Enter still submits)
|
||
- **High-DPI fixes** — text and buttons no longer clipped at 125% / 150% scaling (PerMonitorV2); toolbar / settings / sidebar / About now scale adaptively
|
||
|
||
### v0.2.1
|
||
|
||
- **AI MCP one-click setup** — new **Settings → AI MCP** tab registers the Serial MCP server into Claude Code (`~/.claude.json`) or Kiro (`~/.kiro/settings/mcp.json`) with a single button; existing MCP servers are preserved, and each card shows the verify command
|
||
- Publish now auto-bundles `ETTerms.SerialMcp` into the app folder, so the registered path always resolves
|
||
|
||
### v0.2.0
|
||
|
||
- **Phase 9: Serial MCP server** (`ETTerms.SerialMcp`) — AI agents (Kiro CLI / Claude CLI) send/receive on the serial port while you watch it live in the GUI
|
||
- GUI is the sole COM-port owner; the MCP server bridges over a local named pipe (`SerialBridgeServer`) and never opens the port itself
|
||
- Tools: `serial_list` / `serial_attach` / `serial_write` / `serial_read` / `serial_detach`; AI's TX echoed into the terminal tagged `[AI]`
|
||
- New app icon (window / taskbar / executable); version shown in the title bar
|
||
|
||
### v0.1.0
|
||
|
||
- Phases 1–8 complete: window shell, connection sidebar, tiling workspace, Serial / SSH / local Shell (ConPTY) / SFTP
|
||
- Owner-drawn VT100 terminal rendering
|
||
- TTL scripting engine (ported from MyTeraTerm) + Group sync execution
|
||
- PDU power control (SNMP)
|
||
- Settings / About
|
||
|
||
---
|
||
|
||
## 📄 License
|
||
|
||
Licensed under the **MIT License** — see [LICENSE](LICENSE).
|
||
|
||
---
|
||
|
||
## 🙏 Acknowledgments
|
||
|
||
- **[KKTerm](https://github.com/ryantsai/KKTerm)** — by ryantsai (MIT) — UI design reference (Activity Rail + tabbed workspace + Saved Connections)
|
||
- **MyTeraTerm** — source of the TTL scripting engine and `AppLogger`
|
||
- **[SSH.NET](https://github.com/sshnet/SSH.NET)**, **[SnmpSharpNet](http://www.snmpsharpnet.com/)** — open-source connectivity / SNMP libraries
|
||
- **Microsoft** — .NET 8, WinForms, ConPTY, Credential Manager
|