refactor: switch Plugin to direct self-reexport imports

packages/opencode/test/session/compaction.test.ts

@@ -12,7 +12,7 @@ import { Token } from "../../src/util"
 import { Instance } from "../../src/project/instance"
 import { Log } from "../../src/util"
 import { Permission } from "../../src/permission"
-import { Plugin } from "../../src/plugin"
+import { Plugin } from "../../src/plugin/plugin"
 import { provideTmpdirInstance, tmpdir } from "../fixture/fixture"
 import { Session as SessionNs } from "../../src/session"
 import { MessageV2 } from "../../src/session/message-v2"

packages/opencode/test/session/processor-effect.test.ts

@@ -7,7 +7,7 @@ import { Agent as AgentSvc } from "../../src/agent/agent"
 import { Bus } from "../../src/bus"
 import { Config } from "../../src/config"
 import { Permission } from "../../src/permission"
-import { Plugin } from "../../src/plugin"
+import { Plugin } from "../../src/plugin/plugin"
 import { Provider } from "../../src/provider"
 import { ModelID, ProviderID } from "../../src/provider/schema"
 import { Session } from "../../src/session"

packages/opencode/test/session/prompt-effect.test.ts

@@ -11,7 +11,7 @@ import { FileTime } from "../../src/file/time"
 import { LSP } from "../../src/lsp"
 import { MCP } from "../../src/mcp"
 import { Permission } from "../../src/permission"
-import { Plugin } from "../../src/plugin"
+import { Plugin } from "../../src/plugin/plugin"
 import { Provider as ProviderSvc } from "../../src/provider"
 import { Env } from "../../src/env"
 import { ModelID, ProviderID } from "../../src/provider/schema"

packages/opencode/test/session/snapshot-tool-race.test.ts

@@ -37,7 +37,7 @@ import { FileTime } from "../../src/file/time"
 import { LSP } from "../../src/lsp"
 import { MCP } from "../../src/mcp"
 import { Permission } from "../../src/permission"
-import { Plugin } from "../../src/plugin"
+import { Plugin } from "../../src/plugin/plugin"
 import { Provider as ProviderSvc } from "../../src/provider"
 import { Env } from "../../src/env"
 import { Question } from "../../src/question"

packages/opencode/test/tool/bash.test.ts

@@ -13,7 +13,7 @@ import { Truncate } from "../../src/tool"
 import { SessionID, MessageID } from "../../src/session/schema"
 import * as CrossSpawnSpawner from "../../src/effect/cross-spawn-spawner"
 import { AppFileSystem } from "@opencode-ai/shared/filesystem"
-import { Plugin } from "../../src/plugin"
+import { Plugin } from "../../src/plugin/plugin"
 
 const runtime = ManagedRuntime.make(
   Layer.mergeAll(