LLM cleanup (#5462)

Co-authored-by: GitHub Action <action@github.com>
Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>

packages/opencode/src/session/processor.ts

@@ -1,5 +1,4 @@
 import { MessageV2 } from "./message-v2"
-import { streamText } from "ai"
 import { Log } from "@/util/log"
 import { Identifier } from "@/id/id"
 import { Session } from "."
@@ -12,6 +11,7 @@ import { SessionRetry } from "./retry"
 import { SessionStatus } from "./status"
 import { Plugin } from "@/plugin"
 import type { Provider } from "@/provider/provider"
+import { LLM } from "./llm"
 import { Config } from "@/config/config"
 
 export namespace SessionProcessor {
@@ -21,15 +21,6 @@ export namespace SessionProcessor {
   export type Info = Awaited<ReturnType<typeof create>>
   export type Result = Awaited<ReturnType<Info["process"]>>
 
-  export type StreamInput = Parameters<typeof streamText>[0]
-
-  export type TBD = {
-    model: {
-      modelID: string
-      providerID: string
-    }
-  }
-
   export function create(input: {
     assistantMessage: MessageV2.Assistant
     sessionID: string
@@ -48,14 +39,14 @@ export namespace SessionProcessor {
       partFromToolCall(toolCallID: string) {
         return toolcalls[toolCallID]
       },
-      async process(streamInput: StreamInput) {
+      async process(streamInput: LLM.StreamInput) {
         log.info("process")
         const shouldBreak = (await Config.get()).experimental?.continue_loop_on_deny !== true
         while (true) {
           try {
             let currentText: MessageV2.TextPart | undefined
             let reasoningMap: Record<string, MessageV2.ReasoningPart> = {}
-            const stream = streamText(streamInput)
+            const stream = await LLM.stream(streamInput)
 
             for await (const value of stream.fullStream) {
               input.abort.throwIfAborted()