fix(plugin): skip mismatched detected plugins

packages/opencode/src/plugin/shared.ts

@@ -290,6 +290,8 @@ export function readV1Plugin(
   if (tui !== undefined && typeof tui !== "function") {
     throw new TypeError(`Plugin ${spec} has invalid tui export`)
   }
+  if (mode === "detect" && kind === "server" && server === undefined) return
+  if (mode === "detect" && kind === "tui" && tui === undefined) return
   if (server !== undefined && tui !== undefined) {
     throw new TypeError(`Plugin ${spec} must default export either server() or tui(), not both`)
   }

packages/opencode/test/plugin/shared.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, test } from "bun:test"
-import { parsePluginSpecifier } from "../../src/plugin/shared"
+import { parsePluginSpecifier, readV1Plugin } from "../../src/plugin/shared"
 
 describe("parsePluginSpecifier", () => {
   test("parses standard npm package without version", () => {
@@ -86,3 +86,21 @@ describe("parsePluginSpecifier", () => {
     })
   })
 })
+
+describe("readV1Plugin", () => {
+  test("skips plugins without the requested entrypoint in detect mode", () => {
+    const tuiOnly = { id: "demo.tui", tui: async () => {} }
+    const serverOnly = { id: "demo.server", server: async () => {} }
+
+    expect(readV1Plugin({ default: tuiOnly }, "demo-tui", "server", "detect")).toBeUndefined()
+    expect(readV1Plugin({ default: serverOnly }, "demo-server", "tui", "detect")).toBeUndefined()
+  })
+
+  test("still rejects missing entrypoints in strict mode", () => {
+    const tuiOnly = { id: "demo.tui", tui: async () => {} }
+
+    expect(() => readV1Plugin({ default: tuiOnly }, "demo-tui", "server")).toThrow(
+      "Plugin demo-tui must default export an object with server()",
+    )
+  })
+})