feat(core): add embedded v2 session runtime and tool foundation (#30632)

packages/core/test/agent.test.ts

@@ -1,6 +1,10 @@
 import { describe, expect } from "bun:test"
 import { Effect, Exit, Scope } from "effect"
 import { AgentV2 } from "@opencode-ai/core/agent"
+import { Location } from "@opencode-ai/core/location"
+import { AgentPlugin } from "@opencode-ai/core/plugin/agent"
+import { AbsolutePath } from "@opencode-ai/core/schema"
+import { location } from "./fixture/location"
 import { testEffect } from "./lib/effect"
 
 const it = testEffect(AgentV2.locationLayer)
@@ -98,4 +102,22 @@ describe("AgentV2", () => {
       expect(yield* agent.get(id)).toBeUndefined()
     }),
   )
+
+  it.effect("does not ambiently opt built-in agents into bash", () =>
+    Effect.gen(function* () {
+      const agent = yield* AgentV2.Service
+      yield* AgentPlugin.Plugin.effect.pipe(
+        Effect.provideService(
+          Location.Service,
+          Location.Service.of(location({ directory: AbsolutePath.make("/project") })),
+        ),
+      )
+
+      const agents = yield* agent.all()
+      expect(agents.map((item) => String(item.id)).sort()).toEqual(["build", "compaction", "explore", "general", "plan", "summary", "title"])
+      for (const item of agents) {
+        expect(item.permissions.some((rule) => rule.action === "bash" && rule.effect !== "deny")).toBe(false)
+      }
+    }),
+  )
 })