Add Cloud Agent Development Environment Setup

[nickmisasi]

Summary

Adds development environment configuration files for Cursor Cloud Agents working on this plugin.

Changes

• cursor.md — Cloud-specific instructions (services, env vars, build/deploy/lint/test commands, gotchas). Concatenated into AGENTS.md at runtime by the update script (never committed).
• .cursor/skills/agent-browser/SKILL.md — Browser automation skill for GUI-based testing via agent-browser CLI.
• .gitignore — Added AGENTS.md to prevent accidental commits of the runtime-generated file.

Development Environment

The update script (configured via SetupVmEnvironment) handles:

1. Docker CE installation with nested-container workarounds (fuse-overlayfs, iptables-legacy)
2. Go 1.25 installation (matching go.mod)
3. Node.js 24.13.1 installation via n (matching .nvmrc)
4. AWS CLI installation
5. agent-browser CLI + bundled Chrome
6. PostgreSQL + Mattermost Enterprise containers with admin user setup
7. Project dependency installation (go mod download, npm install in webapp)

Verification

Plugin deployed and verified active via /github about slash command:

Test Results

• ✅ npm run lint (ESLint — clean)
• ✅ npm run check-types (TypeScript — clean)
• ✅ npm run test (Jest — 22 tests passed)
• ✅ go test ./... (Go — all packages pass)
• ✅ make deploy (plugin built and deployed successfully)
• ✅ /github about responds with version 2.7.1

  

[coderabbitai]

Important

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⚙️ Run configuration

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Review profile: CHILL

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Run ID: 85142f02-10a5-4128-85ac-dace830749a3

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch cursor/dev-environment-setup

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