Rename to `tang` and prepare for publishing on npm

README.md

···
-# Tangled CLI: Architecture & Implementation Plan
+# tang
+
+A CLI for [Tangled.org](https://tangled.org) — manage issues and repository context from the terminal. Designed to be usable by both humans and AI agents.
+
+## Installation
+
+```bash
+npm install -g @markbennett/tang
+```
+
+## Quick Start
+
+```bash
+# Authenticate with your Tangled PDS handle and an App Password
+tang auth login
+
+# From inside a git repo cloned from tangled.org:
+tang issue list
+tang issue create "Bug: something is broken" --body "Detailed description"
+tang issue view 1
+tang issue close 1
+
+# SSH key management
+tang ssh-key add ~/.ssh/id_ed25519.pub
+```
+
+## Commands
+
+| Command | Description |
+| :--- | :--- |
+| `tang auth login` | Authenticate with your PDS handle and App Password |
+| `tang auth logout` | Log out and clear stored session |
+| `tang issue list` | List issues for the current repo |
+| `tang issue create <title>` | Create a new issue |
+| `tang issue view <n>` | View an issue |
+| `tang issue close <n>` | Close an issue |
+| `tang issue reopen <n>` | Reopen an issue |
+| `tang ssh-key add <path>` | Upload a public SSH key to your account |
+| `tang context` | Show resolved repo context (DID, handle, name) |
+| `tang config` | View or set CLI configuration |
+
+Most commands accept `--json [fields]` for machine-readable output, useful for scripting and LLM integrations.
+
+---
 
-## Project Overview
+# Architecture & Implementation Notes
 
 **Goal:** Create a context-aware CLI for tangled.org that bridges the gap between the AT Protocol (XRPC) and standard Git.
 
···
 
 # Install globally for local testing
 npm link
-tangled --version
-tangled --help
-npm unlink -g tangled-cli  # Unlink when done
+tang --version
+tang --help
+npm unlink -g @markbennett/tang  # Unlink when done
 ```
 
 ### Project Structure

package.json

···
 {
-  "name": "tangled-cli",
+  "name": "@markbennett/tang",
   "version": "0.0.1",
   "description": "A simple CLI for Tangled.org. Inspired by GitHub CLI, and usable by humans and AI.",
   "type": "module",
   "main": "./dist/index.js",
+  "exports": {
+    ".": "./dist/index.js"
+  },
   "bin": {
-    "tangled": "./dist/index.js"
+    "tang": "./dist/index.js"
+  },
+  "files": [
+    "dist",
+    "README.md",
+    "LICENSE"
+  ],
+  "publishConfig": {
+    "access": "public"
   },
   "scripts": {
     "dev": "tsx src/index.ts",
-    "build": "tsc",
+    "build": "tsc -p tsconfig.build.json",
+    "clean": "rm -rf dist",
     "test": "vitest run",
     "test:watch": "vitest watch",
     "test:coverage": "vitest run --coverage",

tsconfig.build.json

···
+{
+  "extends": "./tsconfig.json",
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "dist", "src/lexicon/**"]
+}