diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
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+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
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+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.
diff --git a/README.md b/README.md
index ed6d364..4687944 100644
--- a/README.md
+++ b/README.md
@@ -1,59 +1,255 @@
-Team Members: Ibraheem Amin (lead) Abu Ahmed, Cole Ramer, Richard Wang, John Wu
-# First Time Setup
+<div align="center">
 
-## Convex Database
+# Harness
+
+*Share a chat with your AI coding agent like a Google Doc — viewers watch it think live, editors drive it on your keys.*
+
+[![License: GPLv3](https://img.shields.io/badge/License-GPLv3-blue.svg)](./LICENSE)
+[![Build](https://img.shields.io/badge/CI-pytest%20%2B%20vitest-success.svg)](.github/workflows/test.yml)
+[![Bun](https://img.shields.io/badge/Bun-1.3.5-black.svg?logo=bun)](https://bun.sh)
+[![TypeScript](https://img.shields.io/badge/TypeScript-5.9-3178c6.svg?logo=typescript&logoColor=white)](https://www.typescriptlang.org/)
+[![React](https://img.shields.io/badge/React-19-61dafb.svg?logo=react&logoColor=black)](https://react.dev)
+[![Convex](https://img.shields.io/badge/Convex-1.31-orange.svg)](https://convex.dev)
+[![FastAPI](https://img.shields.io/badge/FastAPI-Python%203.11+-009688.svg?logo=fastapi&logoColor=white)](https://fastapi.tiangolo.com)
+
+</div>
+
+---
+
+> **Bring your own agent. Bring your own keys. Keep your secrets.**
+
+Harness is a thin, fast control plane over **whatever coding agent you want to drive** — Claude Code, Codex CLI, or Cursor, each in its own cloud sandbox — plus a built-in 10-model chat for when you don't want an agent at all. Your model bill stays on your account, your credentials are encrypted write-only, and every sensitive command surfaces an approval card before it runs.
+
+<p align="center"><img src="./assets/screenshots/real-agent-hero.png" alt="Harness — a live Claude Code session exploring a sandbox: real tool calls, a terminal run with exit 0, and the output" width="960" /></p>
+
+<div align="center"><sub>A real Claude Code run in a cloud sandbox — not a mockup.</sub></div>
+
+<div align="center">
+
+<details>
+<summary><b>More screenshots</b> — background agents, planning, approvals, MCP, harnesses, sharing</summary>
+
+<br/>
+
+<img src="./assets/screenshots/agents-sidebar.png" alt="Live background-agents panel — two subagents running in parallel with their steps" width="900" />
+
+<img src="./assets/screenshots/agent-plan.png" alt="A multi-step agent run — the plan, file edits, and a passing test suite" width="900" />
+
+<img src="./assets/screenshots/approval-card.png" alt="An approval card — the agent asks before writing a file" width="900" />
+
+<img src="./assets/screenshots/mcp-context7.png" alt="MCP servers on a harness — Context7 connected" width="900" />
+
+<img src="./assets/screenshots/harnesses.png" alt="Harnesses grouped by status, each with its model and MCP servers" width="900" />
+
+<img src="./assets/screenshots/harness-edit.png" alt="Editing a harness — agent loop picker, model, system prompt, MCP servers" width="900" />
+
+<img src="./assets/screenshots/share-dialog.png" alt="Sharing a chat — viewer and editor links" width="760" />
+
+</details>
+
+</div>
+
+## Share a chat. They drive your agent. You watch live.
+
+Share an agent session the way you share a Google Doc — one link, viewer or editor.
+
+- **Viewers** (even logged-out) watch the agent think, call tools, and write code **live as it streams**, fanned out over Redis.
+- **Editors** do something Docs can't: they type a new prompt straight into your conversation and the agent runs it on **your** harness, **your** credentials, **your** budget. The editor's browser sends only the message and the share token — your MCP secrets, sandbox, and real cost never leave the server.
+
+Collaborative agent sessions, without ever handing over the keys.
+
+---
+
+## Features
+
+**Every coding agent, one chat.** Claude Code, Codex CLI, or Cursor — each in its own cloud sandbox — plus a built-in 10-model chat.
+
+**Harnesses.** Swap your whole toolset — model, MCP servers, skills, prompt, agent — mid-conversation.
+
+**One-click MCP.** GitHub, Notion, and Linear over OAuth, plus Exa, Context7, AWS, and Princeton TigerApps.
+
+**Secrets stay server-side.** Your tokens never enter the agent's sandbox.
+
+**Real Linux boxes.** Live terminal, file explorer, and a git panel per session.
+
+**Approvals-first.** Permissions, plans, and questions render as inline cards.
+
+**Live sharing & collaboration.** Viewers follow token-by-token; editors drive on the owner's harness and keys.
+
+**Rewind & fork.** Branch or roll back any conversation; fork any shared chat into your own account.
+
+**Background-agent observability.** Subagents, workflows, and long-running commands as live task cards.
+
+**Workspaces, skills & a command palette.** Color-tinted workspaces, importable playbooks, and `Cmd/Ctrl-K` for everything.
+
+**Encrypted, bring-your-own credentials.** Write-only secrets; usage bills to your own account.
+
+---
+
+## How it works
+
+Harness is a three-tier monorepo: a **TanStack Start** frontend, a **Convex** realtime backend, and a **FastAPI** agent/stream gateway. The browser holds a live Convex WebSocket for data (chats, harnesses, workspaces, shares, usage) and an SSE stream to FastAPI for token-by-token model and agent output. Clerk issues the JWT that authenticates both.
+
+```
+        ┌──────────────────────────────────────────────────────────┐
+        │                       Browser (SPA)                       │
+        │            TanStack Start · React 19 · xterm.js           │
+        └───────┬───────────────────────────────────────┬──────────┘
+   Convex WS    │                                        │   SSE (token / agent stream)
+   (data)       ▼                                        ▼
+   ┌────────────────────────┐              ┌──────────────────────────────┐
+   │     Convex backend     │   Clerk JWT  │       FastAPI gateway        │
+   │  realtime DB · 19      │◄────────────►│   /api/chat · /api/agents    │
+   │  tables · shareGrants  │              │   /api/chat/follow (read)    │
+   └────────────────────────┘              └──┬────────────┬──────────┬───┘
+                                              │            │          │
+                          OpenRouter ◄────────┘            │          │ ACP over
+                          (10 models)                      │          │ sandbox URL
+                                                           │          ▼
+                                      stream_bus.tee()     │  ┌─────────────────────────────┐
+                              (allowlist + sanitize,       │  │       Daytona sandbox       │
+                               1s breaker / fail-soft)     │  │  ┌───────────────────────┐  │
+                                          │ XADD           │  │  │ acp_shim.mjs (stdio↔  │  │
+                                          ▼                │  │  │ HTTP/SSE bridge)      │  │
+                  ┌──────────────────────────────────┐     │  │  │          │            │  │
+                  │  REDIS STREAM  (shared instance)  │     │  │  │          ▼ child proc │  │
+                  │  harness:stream:{conversationId}  │     │  │  │  Claude Code / Codex /│  │
+                  │  + harness:turn:{id} marker       │     │  │  │  Cursor (ACP agent)   │  │
+                  └──────────────────────────────────┘     │  │  └───────────┬───────────┘  │
+                       ▲     ▲     ▲  (blocking XREAD,      │  └──────────────┼─────────────┘
+                       │     │     │   own cursor each)     │      relay_request (MCP call)
+              GET /api/chat/follow (auth as shared read)    │                 ▼
+                       │     │     │                        │          ┌────────────┐
+                  Follower Follower Follower                └─────────►│ MCP servers│
+                  (other tab / sharee / late joiner)    relay_response │ (OAuth)    │
+                                                         w/ your tokens └────────────┘
 ```
+
+- **Convex realtime layer.** All durable state lives in Convex (19 tables: `messages`, `conversations`, `harnesses`, `workspaces`, `sandboxes`, `shareGrants`, `usageLedger`, and more), pushed to the browser over a WebSocket and authenticated with a Clerk JWT.
+- **FastAPI gateway.** Streams the default OpenRouter chat loop and orchestrates ACP agent sessions. It brokers MCP OAuth server-side, fans display-only events out to followers via Redis Streams, and resolves editor-collaborator runs to the owner's harness/credentials/billing.
+- **ACP in Daytona.** Each agent runs as a child process inside an isolated sandbox. An in-box `acp_shim.mjs` bridges the agent's stdio JSON-RPC to HTTP/SSE, reached by the FastAPI ACP client over the sandbox's preview URL.
+- **MCP relay.** Because sandbox egress is restricted, the shim emits each agent MCP call as a `relay_request`; FastAPI executes it with your OAuth tokens and returns a `relay-response` — so secrets never enter the box.
+- **Live follow (Redis).** Each turn streams SSE 1:1 to its initiator *and* tees every display event into a per-conversation Redis Stream. Passive viewers hit `GET /api/chat/follow` — authorized exactly like a shared read — which replays the current turn from its start, then block-tails for new tokens. An allowlist relays only the transcript a viewer can already see; owner-only signals (MCP URLs, sandbox id, per-turn cost) are stripped. Fan-out is pull-based, so N viewers — and producers on other workers — all read the same shared stream. **Redis is fail-soft:** unset, and turns simply stream to the initiator only.
+
+---
+
+## Tech stack
+
+| Layer | What's in it |
+|---|---|
+| **Frontend** (`apps/web`) | TanStack Start 1.132 · React 19 · Tailwind CSS v4 · xterm.js 6 · cmdk · Clerk · Convex client · Arcjet · Vitest · TypeScript 5.9 · deployed to Cloudflare Workers via Wrangler 4 |
+| **Realtime backend** (`packages/convex-backend`) | Convex 1.31.7 · Clerk JWT auth · 19-table schema |
+| **Agent gateway** (`packages/fastapi`) | FastAPI · Python 3.11+ · OpenRouter · MCP (OAuth 2.1) · Daytona SDK · ACP agents (Claude Code / Codex / Cursor) · Redis Streams · `cryptography` (AES-256-GCM) · sse-starlette |
+| **Tooling** | Turborepo · Bun 1.3.5 · Biome · Husky · pytest · CI on GitHub Actions · CD via `convex deploy` + Wrangler (Cloudflare) and rsync/systemd (EC2) |
+
+---
+
+## Quickstart
+
+> Prereqs: [Bun](https://bun.sh) `1.3.5`, Python `3.11+`, and accounts for [Convex](https://convex.dev), [Clerk](https://clerk.com), [OpenRouter](https://openrouter.ai), and [Daytona](https://app.daytona.io).
+
+### 1. Install
+
+```bash
+bun install
+```
+
+### 2. Convex database
+
+```bash
 cd packages/convex-backend
 bun install
 npx convex login
-npx convex dev
+npx convex dev      # creates a cloud deployment + .env.local here
 ```
-Create a new cloud deployment following the instructions, then a
-.env.local file will generate under `packages/convex-backend`
 
-Copy over the environment variable that ends in `.cloud` to 
-a new .env.local variable under apps/web, then set VITE_CONVEX_URL:
-```
+Copy the generated `*.convex.cloud` URL into `apps/web/.env.local` as `VITE_CONVEX_URL`:
+
+```bash
 VITE_CONVEX_URL=https://your-deployment.convex.cloud
 ```
 
-## Clerk Setup
-Join the clerk team (contact the team lead) OR
-Create a new Clerk project, from the API, copy over the two
-following environment variables from the Clerk dashboard into
-apps/web/.env.local 
-```
+### 3. Clerk auth
+
+Create a Clerk project and copy its keys into `apps/web/.env.local`:
+
+```bash
 VITE_CLERK_PUBLISHABLE_KEY=pk_test_...
 CLERK_SECRET_KEY=sk_test_...
 ```
-Finally, set the CLERK_JWT_ISSUER_DOMAIN variable on the
-Convex Dashboard.
+
+Then set the JWT issuer on the **Convex** dashboard (Settings → Environment Variables):
+
 ```bash
-# Either go to convex dashboard manually or run
-cd packages/convex-backend
-npx convex dashboard
+cd packages/convex-backend && npx convex dashboard
+# set:
+CLERK_JWT_ISSUER_DOMAIN=https://your-clerk-deployment.clerk.accounts.dev
 ```
-Navigate to settings -> environment variables and set
+
+### 4. FastAPI gateway
+
+```bash
+cd packages/fastapi
+python3 -m venv .venv && .venv/bin/pip install -r requirements.txt
+cp .env.example .env     # then fill in the values below
+.venv/bin/uvicorn app.main:app --reload --port 8000
+```
+
+Fill in `packages/fastapi/.env` (`OPENROUTER_API_KEY`, `CONVEX_URL`, `DAYTONA_API_KEY`, …) and set `FRONTEND_URL=http://localhost:3000` to match the web dev port. Then point the web app at the gateway in `apps/web/.env.local`:
+
+```bash
+VITE_FASTAPI_URL=http://localhost:8000
+```
+
+> A Redis URL is optional locally — live multi-viewer "follow" fan-out is fail-soft and no-ops when Redis isn't configured. Credential encryption requires `AGENT_CREDENTIALS_KEY` on the FastAPI service (any non-empty secret; FastAPI SHA-256-derives the 32-byte AES-256-GCM key from it) — it isn't in `.env.example`, so add it yourself.
+
+### 5. Run everything
+
+```bash
+turbo dev
+```
+
+The web app comes up on `http://localhost:3000`, Convex syncs in the background, and FastAPI listens on `:8000`.
+
+---
+
+## Monorepo layout
+
 ```
-CLERK_JWT_ISSUER_DOMAIN=https://your-clerk-depl.clerk.accounts.dev
+Harness/
+├─ apps/
+│  └─ web/                  # TanStack Start (React 19) frontend → Cloudflare Workers
+├─ packages/
+│  ├─ convex-backend/       # Convex realtime DB (19-table schema, Clerk JWT)
+│  └─ fastapi/              # FastAPI agent/stream gateway
+│     └─ app/
+│        ├─ routes/         # chat, agents, sandbox, terminal, harness_suggest …
+│        └─ services/       # agents (ACP registry/client/shim), mcp_oauth,
+│                           # daytona_service, stream_bus, secrets_crypto
+├─ deploy/                  # EC2 systemd units + setup scripts
+└─ turbo.json              # Turborepo task graph
 ```
 
+---
+
+## Contributing
+
+Pull requests target **`staging`**, not `main`. A Husky pre-commit hook runs Biome — before committing TS/TSX, run:
+
+```bash
+cd apps/web && bun x biome check --write src/
+```
 
-### Utilities
+CI runs `pytest` (FastAPI gateway) and `vitest` (frontend **and** Convex backend); keep all three green.
 
-Already set up
+---
 
-- [TypeScript](https://www.typescriptlang.org/) for static type checking
-- [Biome](https://biomejs.dev/) for code linting and formatting
+## Authors
 
+Built by **Ibraheem Amin** (lead), **Abu Ahmed**, **Cole Ramer**, **Richard Wang**, and **John Wu**.
 
-## Useful Links
+## License
 
-Learn more about the power of Turborepo:
+Copyright © 2026 the Harness authors.
 
-- [Tasks](https://turborepo.dev/docs/crafting-your-repository/running-tasks)
-- [Caching](https://turborepo.dev/docs/crafting-your-repository/caching)
-- [Remote Caching](https://turborepo.dev/docs/core-concepts/remote-caching)
-- [Filtering](https://turborepo.dev/docs/crafting-your-repository/running-tasks#using-filters)
-- [Configuration Options](https://turborepo.dev/docs/reference/configuration)
-- [CLI Usage](https://turborepo.dev/docs/reference/command-line-reference)
+Harness is free software, licensed under the **GNU General Public License v3.0**. You may redistribute and/or modify it under those terms; it comes with **no warranty**. See [`./LICENSE`](./LICENSE) for the full text.
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