migrated custom tools to V2 plugin

.opencode/plugins/tools/tea-pulls.ts

@@ -0,0 +1,21 @@
+import { $ } from "bun"
+import type { Info } from "@opencode/plugin/promise/tool"
+
+const teaPulls: Info = {
+  name: "tea-pulls",
+  description: "List pull requests in the repository using tea CLI",
+  input: {
+    type: "object",
+    properties: {
+      state: { type: "string", description: "Filter by state (all|open|closed)" },
+    },
+    additionalProperties: false,
+  },
+  async execute(input) {
+    const state = (input as { state?: string }).state || "open"
+    const result = await $`tea pulls --state ${state} --output json`.text()
+    return { content: result.trim() }
+  },
+}
+
+export default teaPulls