Add local agent profile and supporting local agents CLI including codex, claude code, pi, opencode, cursor etc

.agents/plan/local-agent-profiles-and-cli-plan.md

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+# Subagent profiles and DevSpace agent CLI plan
+
+## Decision
+
+Subagent profiles describe roles over built-in coding-agent providers.
+DevSpace owns provider invocation and lifecycle. Custom CLI-backed agents,
+provider action objects, and model-visible backend details are out of scope for
+v1.
+
+The model-facing workflow stays small:
+
+```bash
+devspace agents ls
+devspace agents run <profile-or-id> "<prompt>"
+devspace agents show <id>
+```
+
+Profile discovery happens through the compact catalog returned by
+`open_workspace`. `devspace agents ls` lists existing subagent sessions for the
+current workspace; it does not list profile definitions.
+
+## Profile schema
+
+Profiles are discovered from:
+
+- `~/.devspace/agents/*.md`
+- project `.devspace/agents/*.md`
+
+Supported frontmatter fields:
+
+```yaml
+schema: devspace-agent/v1
+name: reviewer
+description: Read-only reviewer for bugs, security risks, and missing tests.
+provider: codex
+model: gpt-5.4
+disabled: false
+```
+
+Supported providers:
+
+- `codex`
+- `claude`
+- `opencode`
+- `pi`
+- `cursor`
+- `copilot`
+
+Removed from v1 profile schema:
+
+- `backend`
+- `command`
+- `mode`
+- `permissions`
+- `actions`
+
+## Provider mapping
+
+DevSpace maps provider ids to native integrations:
+
+- `codex`: Codex SDK
+- `claude`: Claude Code SDK
+- `opencode`: OpenCode SDK
+- `pi`: Pi RPC mode
+- `cursor`: ACP
+- `copilot`: ACP
+
+The adapter registry is the internal seam future MCP tools can reuse if we move
+from skill plus CLI guidance to first-class MCP agent tools.
+
+## Model exposure
+
+`open_workspace` exposes only compact profile metadata:
+
+```json
+{
+  "name": "reviewer",
+  "description": "Read-only reviewer for bugs, security risks, and missing tests.",
+  "provider": "codex",
+  "model": "gpt-5.4"
+}
+```
+
+The profile body, provider protocol, raw provider transcript, and adapter
+details stay outside the default model context.
+
+Shell calls launched through DevSpace receive `DEVSPACE_WORKSPACE_ID` and
+`DEVSPACE_WORKSPACE_ROOT`, so `devspace agents ls` can scope itself without the
+model passing workspace flags.
+
+## Non-goals
+
+- Custom or arbitrary subagent commands.
+- Provider-specific action DSLs.
+- Exposing raw provider transcripts by default.
+- Tracking changed files or tests from provider output.