rdev/ai-lookup/features/command-execution.md
jordan 39df51defd feat: Add multi-provider code agent interface with Claude Code and OpenCode adapters
Implements weeks 1-4 of the multi-provider architecture:

Week 1 - Foundation:
- Add domain models (AgentProvider, AgentRequest, AgentEvent, AgentResult)
- Define CodeAgent port interface with Execute, Cancel, Capabilities
- Create thread-safe provider registry with first-registered default

Week 2 - Claude Code Adapter:
- Extract kubectl exec logic into CodeAgent implementation
- Parse stream-json output format (init, message, tool_use, result)
- Support session continuation via --resume flag

Week 3 - OpenCode Adapter:
- HTTP/SSE client for opencode serve API
- Session management (create, send message, abort)
- Event streaming with documented buffer rationale

Week 4 - Quality & Polish:
- Fix race condition in OpenCode Cancel method
- Add AgentRequest.Validate() with ErrPromptRequired, ErrInvalidTimeout
- Document DefaultAvailabilityTimeout constants
- Add HTTP error context for debugging

Also includes:
- Work queue system with PostgreSQL adapter
- Credential store for infrastructure secrets
- Project templates with Woodpecker CI integration
- Comprehensive test coverage

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-27 09:25:51 -07:00

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# Command Execution
**Last Updated:** 2025-01
**Confidence:** High
## Summary
rdev executes commands (Claude, shell, git) in Kubernetes pods via kubectl exec. Commands can run synchronously or be queued for async processing with SSE output streaming.
**Key Facts:**
- Commands run in pods with label `rdev.orchard9.ai/project=true`
- Three types: `claude`, `shell`, `git`
- Async queue with status tracking (pending → running → completed/failed)
- Output streamed via SSE to `/projects/{id}/events/{stream_id}`
- All commands logged to audit trail
**File Pointers:**
- Executor: `internal/adapter/kubernetes/executor.go`
- Queue: `internal/adapter/postgres/queue.go`
- Worker: `internal/worker/queue.go`
- Handler: `internal/handlers/projects.go`
## Command Flow
```
Handler → Service → Queue (postgres)
Worker polls
Executor (kubectl exec)
StreamPublisher (SSE)
Webhook dispatch
```
## Request/Response
```
POST /projects/{id}/claude
Body: { "prompt": "write a hello world" }
Response:
{
"command_id": "cmd-abc123",
"stream_url": "/projects/my-project/events/stream-xyz"
}
```
## Status Transitions
| Status | Description |
|--------|-------------|
| `pending` | In queue, not started |
| `running` | Currently executing |
| `completed` | Finished successfully (exit 0) |
| `failed` | Error or non-zero exit |
## Related Topics
- [SSE Streaming](./sse-streaming.md)
- [Project Service](../services/project-service.md)