v2 message format and upgrade to ai sdk v5 (#743)

Co-authored-by: GitHub Action <action@github.com>
Co-authored-by: Liang-Shih Lin <liangshihlin@proton.me>
Co-authored-by: Dominik Engelhardt <dominikengelhardt@ymail.com>
Co-authored-by: Jay V <air@live.ca>
Co-authored-by: adamdottv <2363879+adamdottv@users.noreply.github.com>

packages/opencode/src/provider/provider.ts

@@ -91,8 +91,7 @@ export namespace Provider {
             if (!info || info.type !== "oauth") return
             if (!info.access || info.expires < Date.now()) {
               const tokens = await copilot.access(info.refresh)
-              if (!tokens)
-                throw new Error("GitHub Copilot authentication expired")
+              if (!tokens) throw new Error("GitHub Copilot authentication expired")
               await Auth.set("github-copilot", {
                 type: "oauth",
                 ...tokens,
@@ -101,15 +100,9 @@ export namespace Provider {
             }
             let isAgentCall = false
             try {
-              const body =
-                typeof init.body === "string"
-                  ? JSON.parse(init.body)
-                  : init.body
+              const body = typeof init.body === "string" ? JSON.parse(init.body) : init.body
               if (body?.messages) {
-                isAgentCall = body.messages.some(
-                  (msg: any) =>
-                    msg.role && ["tool", "assistant"].includes(msg.role),
-                )
+                isAgentCall = body.messages.some((msg: any) => msg.role && ["tool", "assistant"].includes(msg.role))
               }
             } catch {}
             const headers = {
@@ -138,14 +131,11 @@ export namespace Provider {
       }
     },
     "amazon-bedrock": async () => {
-      if (!process.env["AWS_PROFILE"] && !process.env["AWS_ACCESS_KEY_ID"])
-        return { autoload: false }
+      if (!process.env["AWS_PROFILE"] && !process.env["AWS_ACCESS_KEY_ID"]) return { autoload: false }
 
       const region = process.env["AWS_REGION"] ?? "us-east-1"
 
-      const { fromNodeProviderChain } = await import(
-        await BunProc.install("@aws-sdk/credential-providers")
-      )
+      const { fromNodeProviderChain } = await import(await BunProc.install("@aws-sdk/credential-providers"))
       return {
         autoload: true,
         options: {
@@ -157,9 +147,7 @@ export namespace Provider {
 
           switch (regionPrefix) {
             case "us": {
-              const modelRequiresPrefix = ["claude", "deepseek"].some((m) =>
-                modelID.includes(m),
-              )
+              const modelRequiresPrefix = ["claude", "deepseek"].some((m) => modelID.includes(m))
               if (modelRequiresPrefix) {
                 modelID = `${regionPrefix}.${modelID}`
               }
@@ -174,25 +162,18 @@ export namespace Provider {
                 "eu-south-1",
                 "eu-south-2",
               ].some((r) => region.includes(r))
-              const modelRequiresPrefix = [
-                "claude",
-                "nova-lite",
-                "nova-micro",
-                "llama3",
-                "pixtral",
-              ].some((m) => modelID.includes(m))
+              const modelRequiresPrefix = ["claude", "nova-lite", "nova-micro", "llama3", "pixtral"].some((m) =>
+                modelID.includes(m),
+              )
               if (regionRequiresPrefix && modelRequiresPrefix) {
                 modelID = `${regionPrefix}.${modelID}`
               }
               break
             }
             case "ap": {
-              const modelRequiresPrefix = [
-                "claude",
-                "nova-lite",
-                "nova-micro",
-                "nova-pro",
-              ].some((m) => modelID.includes(m))
+              const modelRequiresPrefix = ["claude", "nova-lite", "nova-micro", "nova-pro"].some((m) =>
+                modelID.includes(m),
+              )
               if (modelRequiresPrefix) {
                 regionPrefix = "apac"
                 modelID = `${regionPrefix}.${modelID}`
@@ -230,10 +211,7 @@ export namespace Provider {
         options: Record<string, any>
       }
     } = {}
-    const models = new Map<
-      string,
-      { info: ModelsDev.Model; language: LanguageModel }
-    >()
+    const models = new Map<string, { info: ModelsDev.Model; language: LanguageModel }>()
     const sdk = new Map<string, SDK>()
 
     log.info("init")
@@ -308,9 +286,7 @@ export namespace Provider {
       database[providerID] = parsed
     }
 
-    const disabled = await Config.get().then(
-      (cfg) => new Set(cfg.disabled_providers ?? []),
-    )
+    const disabled = await Config.get().then((cfg) => new Set(cfg.disabled_providers ?? []))
     // load env
     for (const [providerID, provider] of Object.entries(database)) {
       if (disabled.has(providerID)) continue
@@ -337,12 +313,7 @@ export namespace Provider {
       if (disabled.has(providerID)) continue
       const result = await fn(database[providerID])
       if (result && (result.autoload || providers[providerID])) {
-        mergeProvider(
-          providerID,
-          result.options ?? {},
-          "custom",
-          result.getModel,
-        )
+        mergeProvider(providerID, result.options ?? {}, "custom", result.getModel)
       }
     }
 
@@ -379,7 +350,7 @@ export namespace Provider {
       const existing = s.sdk.get(provider.id)
       if (existing) return existing
       const pkg = provider.npm ?? provider.id
-      const mod = await import(await BunProc.install(pkg, "latest"))
+      const mod = await import(await BunProc.install(pkg, "beta"))
       const fn = mod[Object.keys(mod).find((key) => key.startsWith("create"))!]
       const loaded = fn(s.providers[provider.id]?.options)
       s.sdk.set(provider.id, loaded)
@@ -406,9 +377,7 @@ export namespace Provider {
     const sdk = await getSDK(provider.info)
 
     try {
-      const language = provider.getModel
-        ? await provider.getModel(sdk, modelID)
-        : sdk.languageModel(modelID)
+      const language = provider.getModel ? await provider.getModel(sdk, modelID) : sdk.languageModel(modelID)
       log.info("found", { providerID, modelID })
       s.models.set(key, {
         info,
@@ -435,10 +404,7 @@ export namespace Provider {
   export function sort(models: ModelsDev.Model[]) {
     return sortBy(
       models,
-      [
-        (model) => priority.findIndex((filter) => model.id.includes(filter)),
-        "desc",
-      ],
+      [(model) => priority.findIndex((filter) => model.id.includes(filter)), "desc"],
       [(model) => (model.id.includes("latest") ? 0 : 1), "asc"],
       [(model) => model.id, "desc"],
     )
@@ -449,11 +415,7 @@ export namespace Provider {
     if (cfg.model) return parseModel(cfg.model)
     const provider = await list()
       .then((val) => Object.values(val))
-      .then((x) =>
-        x.find(
-          (p) => !cfg.provider || Object.keys(cfg.provider).includes(p.info.id),
-        ),
-      )
+      .then((x) => x.find((p) => !cfg.provider || Object.keys(cfg.provider).includes(p.info.id)))
     if (!provider) throw new Error("no providers found")
     const [model] = sort(Object.values(provider.info.models))
     if (!model) throw new Error("no models found")
@@ -536,9 +498,11 @@ export namespace Provider {
 
     if (schema instanceof z.ZodUnion) {
       return z.union(
-        schema.options.map((option: z.ZodTypeAny) =>
-          optionalToNullable(option),
-        ) as [z.ZodTypeAny, z.ZodTypeAny, ...z.ZodTypeAny[]],
+        schema.options.map((option: z.ZodTypeAny) => optionalToNullable(option)) as [
+          z.ZodTypeAny,
+          z.ZodTypeAny,
+          ...z.ZodTypeAny[],
+        ],
       )
     }
 

packages/opencode/src/provider/transform.ts

@@ -1,19 +1,15 @@
-import type { LanguageModelV1Prompt } from "ai"
+import type { ModelMessage } from "ai"
 import { unique } from "remeda"
 
 export namespace ProviderTransform {
-  export function message(
-    msgs: LanguageModelV1Prompt,
-    providerID: string,
-    modelID: string,
-  ) {
+  export function message(msgs: ModelMessage[], providerID: string, modelID: string) {
     if (providerID === "anthropic" || modelID.includes("anthropic")) {
       const system = msgs.filter((msg) => msg.role === "system").slice(0, 2)
       const final = msgs.filter((msg) => msg.role !== "system").slice(-2)
 
       for (const msg of unique([...system, ...final])) {
-        msg.providerMetadata = {
-          ...msg.providerMetadata,
+        msg.providerOptions = {
+          ...msg.providerOptions,
           anthropic: {
             cacheControl: { type: "ephemeral" },
           },
@@ -28,8 +24,8 @@ export namespace ProviderTransform {
       const final = msgs.filter((msg) => msg.role !== "system").slice(-2)
 
       for (const msg of unique([...system, ...final])) {
-        msg.providerMetadata = {
-          ...msg.providerMetadata,
+        msg.providerOptions = {
+          ...msg.providerOptions,
           bedrock: {
             cachePoint: { type: "ephemeral" },
           },