core: update plugin dependency and config loading for .opencode directory support

.opencode/bun.lock

@@ -5,7 +5,7 @@
     "": {
       "dependencies": {
         "@octokit/rest": "^22.0.1",
-        "@opencode-ai/plugin": "1.0.161",
+        "@opencode-ai/plugin": "0.0.0-dev-202512161920",
       },
     },
   },
@@ -34,9 +34,9 @@
 
     "@octokit/types": ["@octokit/[email protected]", "", { "dependencies": { "@octokit/openapi-types": "^27.0.0" } }, "sha512-sKq+9r1Mm4efXW1FCk7hFSeJo4QKreL/tTbR0rz/qx/r1Oa2VV83LTA/H/MuCOX7uCIJmQVRKBcbmWoySjAnSg=="],
 
-    "@opencode-ai/plugin": ["@opencode-ai/plugin@1.0.161", "", { "dependencies": { "@opencode-ai/sdk": "1.0.161", "zod": "4.1.8" } }, "sha512-8bD/SvqO0LMrhPx8rNTF02nUWNW0ajYkuO9uTMnCCqiyWMx7QLcGfM1xMb/qm1gUiWR9KsSFsAr3s5cGkA78yQ=="],
+    "@opencode-ai/plugin": ["@opencode-ai/plugin@0.0.0-dev-202512161920", "", { "dependencies": { "@opencode-ai/sdk": "0.0.0-dev-202512161920", "zod": "4.1.8" } }, "sha512-gkjeTGFHsU13N4leq2zaxTJarX3oeg3Dl4swZyJUeY6xcX0S+OP2A+gJRpJFggN8h39ZdjYRmnxdaB1jhYRORg=="],
 
-    "@opencode-ai/sdk": ["@opencode-ai/sdk@1.0.161", "", {}, "sha512-yhduFCmayZ0C7GKecwZ1fvtixReC3wHM4FOgRTc4ai9nwd7jiGCtFi/pimc/0/6DV4lVkNyp0/2jdMekAZnt7A=="],
+    "@opencode-ai/sdk": ["@opencode-ai/sdk@0.0.0-dev-202512161920", "", {}, "sha512-K8HjAvscC96jyMjtJ5annvkpo6lQM8qpfCsfcUpqnj4ZdRdj0732QGhS1rq6g5nYWCCnHuSZlGeM6YcdQSVlMw=="],
 
     "before-after-hook": ["[email protected]", "", {}, "sha512-q6tR3RPqIB1pMiTRMFcZwuG5T8vwp+vUvEG0vuI6B+Rikh5BfPp2fQ82c925FOs+b0lcFQ8CFrL+KbilfZFhOQ=="],
 

packages/opencode/src/config/config.ts

@@ -5,7 +5,7 @@ import os from "os"
 import z from "zod"
 import { Filesystem } from "../util/filesystem"
 import { ModelsDev } from "../provider/models"
-import { mergeDeep, pipe } from "remeda"
+import { mergeDeep, pipe, unique } from "remeda"
 import { Global } from "../global"
 import fs from "fs/promises"
 import { lazy } from "../util/lazy"
@@ -76,6 +76,13 @@ export namespace Config {
           stop: Instance.worktree,
         }),
       )),
+      ...(await Array.fromAsync(
+        Filesystem.up({
+          targets: [".opencode"],
+          start: Global.Path.home,
+          stop: Global.Path.home,
+        }),
+      )),
     ]
 
     if (Flag.OPENCODE_CONFIG_DIR) {
@@ -84,7 +91,7 @@ export namespace Config {
     }
 
     const promises: Promise<void>[] = []
-    for (const dir of directories) {
+    for (const dir of unique(directories)) {
       await assertValid(dir)
 
       if (dir.endsWith(".opencode") || dir === Flag.OPENCODE_CONFIG_DIR) {