Add CI verification, read the Apple key from a secret, add README

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

README.md

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+# AgentCompany
+
+A desktop app that runs a company of AI agents. You set a goal. An AI CEO hires a team, splits the goal into tasks, and the agents do the work against real model providers. You watch, chat, and approve.
+
+Electron, React, and SQLite. Company data lives in a local database; prompts go to the model providers you connect.
+
+## Run it
+
+Needs Node 24 and pnpm 11 (`corepack enable pnpm`).
+
+```sh
+pnpm install
+pnpm dev
+```
+
+## Keys
+
+The app ships with no keys. Add your own in **Settings > Integrations**:
+
+| Key | Used for | Get one |
+|---|---|---|
+| Composio API key | Connectors page and agent connector tools | platform.composio.dev |
+| logo.dev publishable key | Connector logos | logo.dev |
+| Google Antigravity OAuth client secret | Google Antigravity sign-in | Google |
+
+Model provider keys and sign-ins live in **Settings > Providers**. All keys are encrypted with the OS keychain.
+
+## Test
+
+```sh
+pnpm verify:ci
+```
+
+Typecheck, lint, unit, contract, integration, replay-eval, and Electron e2e.
+
+## Build installers
+
+```sh
+pnpm package:win
+pnpm package:mac
+pnpm package:linux
+```
+
+Without an Apple Developer ID, build macOS with the ad-hoc config:
+
+```sh
+pnpm build && pnpm exec electron-builder --mac --publish never --config electron-builder.unsigned.yml
+```
+
+GitHub Actions runs `verify:ci` on pushes to `main` and on pull requests, and attaches installers to each published release.
+
+## License
+
+MIT