refactor(plugins): move onboarding auth metadata to manifests

extensions/opencode/index.ts

@@ -1,4 +1,7 @@
 import { emptyPluginConfigSchema, type OpenClawPluginApi } from "openclaw/plugin-sdk/core";
+import { applyOpencodeZenConfig } from "../../src/commands/onboard-auth.config-opencode.js";
+import { OPENCODE_ZEN_DEFAULT_MODEL } from "../../src/commands/opencode-zen-model-default.js";
+import { createProviderApiKeyAuthMethod } from "../../src/plugins/provider-api-key-auth.js";
 
 const PROVIDER_ID = "opencode";
 const MINIMAX_PREFIX = "minimax-m2.5";
@@ -22,7 +25,35 @@ const opencodePlugin = {
       label: "OpenCode Zen",
       docsPath: "/providers/models",
       envVars: ["OPENCODE_API_KEY", "OPENCODE_ZEN_API_KEY"],
-      auth: [],
+      auth: [
+        createProviderApiKeyAuthMethod({
+          providerId: PROVIDER_ID,
+          methodId: "api-key",
+          label: "OpenCode Zen catalog",
+          hint: "Shared API key for Zen + Go catalogs",
+          optionKey: "opencodeZenApiKey",
+          flagName: "--opencode-zen-api-key",
+          envVar: "OPENCODE_API_KEY",
+          promptMessage: "Enter OpenCode API key",
+          defaultModel: OPENCODE_ZEN_DEFAULT_MODEL,
+          expectedProviders: ["opencode", "opencode-go"],
+          applyConfig: (cfg) => applyOpencodeZenConfig(cfg),
+          noteMessage: [
+            "OpenCode uses one API key across the Zen and Go catalogs.",
+            "Zen provides access to Claude, GPT, Gemini, and more models.",
+            "Get your API key at: https://opencode.ai/auth",
+            "Choose the Zen catalog when you want the curated multi-model proxy.",
+          ].join("\n"),
+          noteTitle: "OpenCode",
+          wizard: {
+            choiceId: "opencode-zen",
+            choiceLabel: "OpenCode Zen catalog",
+            groupId: "opencode",
+            groupLabel: "OpenCode",
+            groupHint: "Shared API key for Zen + Go catalogs",
+          },
+        }),
+      ],
       capabilities: {
         openAiCompatTurnValidation: false,
         geminiThoughtSignatureSanitization: true,