refactor(provider): flow branded ProviderID/ModelID through internal signatures (#17182)

packages/opencode/src/tool/batch.ts

@@ -1,5 +1,6 @@
 import z from "zod"
 import { Tool } from "./tool"
+import { ProviderID, ModelID } from "../provider/schema"
 import DESCRIPTION from "./batch.txt"
 
 const DISALLOWED = new Set(["batch"])
@@ -37,7 +38,7 @@ export const BatchTool = Tool.define("batch", async () => {
       const discardedCalls = params.tool_calls.slice(25)
 
       const { ToolRegistry } = await import("./registry")
-      const availableTools = await ToolRegistry.tools({ modelID: "", providerID: "" })
+      const availableTools = await ToolRegistry.tools({ modelID: ModelID.make(""), providerID: ProviderID.make("") })
       const toolMap = new Map(availableTools.map((t) => [t.id, t]))
 
       const executeCall = async (call: (typeof toolCalls)[0]) => {

packages/opencode/src/tool/registry.ts

@@ -20,6 +20,7 @@ import path from "path"
 import { type ToolContext as PluginToolContext, type ToolDefinition } from "@opencode-ai/plugin"
 import z from "zod"
 import { Plugin } from "../plugin"
+import { ProviderID, type ModelID } from "../provider/schema"
 import { WebSearchTool } from "./websearch"
 import { CodeSearchTool } from "./codesearch"
 import { Flag } from "@/flag/flag"
@@ -130,8 +131,8 @@ export namespace ToolRegistry {
 
   export async function tools(
     model: {
-      providerID: string
-      modelID: string
+      providerID: ProviderID
+      modelID: ModelID
     },
     agent?: Agent.Info,
   ) {
@@ -141,7 +142,7 @@ export namespace ToolRegistry {
         .filter((t) => {
           // Enable websearch/codesearch for zen users OR via enable flag
           if (t.id === "codesearch" || t.id === "websearch") {
-            return model.providerID === "opencode" || Flag.OPENCODE_ENABLE_EXA
+            return model.providerID === ProviderID.opencode || Flag.OPENCODE_ENABLE_EXA
           }
 
           // use apply tool in same format as codex