refactor(core): replace legacy logger with Effect logging (#31310)

packages/opencode/src/session/processor.ts

@@ -20,7 +20,6 @@ import { SessionSummary } from "./summary"
 import type { Provider } from "@/provider/provider"
 import { Question } from "@/question"
 import { errorMessage } from "@/util/error"
-import { Log } from "@opencode-ai/core/util/log"
 import { isRecord } from "@/util/record"
 import { EventV2Bridge } from "@/event-v2-bridge"
 import { Database } from "@opencode-ai/core/database/database"
@@ -34,8 +33,6 @@ import { toolFileSourceFromUri, Usage, type LLMEvent } from "@opencode-ai/llm"
 import { ToolOutput } from "@opencode-ai/core/tool-output"
 
 const DOOM_LOOP_THRESHOLD = 3
-const log = Log.create({ service: "session.processor" })
-
 export type Result = "compact" | "stop" | "continue"
 
 export interface Handle {
@@ -131,7 +128,6 @@ export const layer = Layer.effect(
       }
       const mirrorAssistant = flags.experimentalEventSystem && !input.assistantMessage.summary
       let aborted = false
-      const slog = log.clone().tag("session.id", input.sessionID).tag("messageID", input.assistantMessage.id)
 
       const parse = (e: unknown) =>
         MessageV2.fromError(e, {
@@ -918,7 +914,12 @@ export const layer = Layer.effect(
       })
 
       const halt = Effect.fn("SessionProcessor.halt")(function* (e: unknown) {
-        slog.error("process", { error: errorMessage(e), stack: e instanceof Error ? e.stack : undefined })
+        yield* Effect.logError("process", {
+          "session.id": input.sessionID,
+          messageID: input.assistantMessage.id,
+          error: errorMessage(e),
+          stack: e instanceof Error ? e.stack : undefined,
+        })
         const error = parse(e)
         yield* flushV2Fragments()
         if (SessionV1.ContextOverflowError.isInstance(error)) {
@@ -956,7 +957,10 @@ export const layer = Layer.effect(
       })
 
       const process = Effect.fn("SessionProcessor.process")(function* (streamInput: LLM.StreamInput) {
-        slog.info("process")
+        yield* Effect.logInfo("process", {
+          "session.id": input.sessionID,
+          messageID: input.assistantMessage.id,
+        })
         ctx.needsCompaction = false
         ctx.shouldBreak = (yield* config.get()).experimental?.continue_loop_on_deny !== true