refactor(tools): migrate producers to shared metadata bridge

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/tools/background-task/create-background-output.ts

@@ -1,6 +1,6 @@
 import { tool, type ToolDefinition } from "@opencode-ai/plugin"
 import type { BackgroundTask } from "../../features/background-agent"
-import { storeToolMetadata } from "../../features/tool-metadata-store"
+import { publishToolMetadata } from "../../features/tool-metadata-store"
 import type { BackgroundOutputArgs } from "./types"
 import type { BackgroundOutputClient, BackgroundOutputManager } from "./clients"
 import { BACKGROUND_OUTPUT_DESCRIPTION } from "./constants"
@@ -23,13 +23,6 @@ type ToolContextWithMetadata = {
   call_id?: string
 }
 
-function resolveToolCallID(ctx: ToolContextWithMetadata): string | undefined {
-  if (typeof ctx.callID === "string" && ctx.callID.trim() !== "") return ctx.callID
-  if (typeof ctx.callId === "string" && ctx.callId.trim() !== "") return ctx.callId
-  if (typeof ctx.call_id === "string" && ctx.call_id.trim() !== "") return ctx.call_id
-  return undefined
-}
-
 function formatResolvedTitle(task: BackgroundTask): string {
   const label = task.agent === SISYPHUS_JUNIOR_AGENT && task.category ? task.category : task.agent
   return `${label} - ${task.description}`
@@ -80,12 +73,7 @@ export function createBackgroundOutput(manager: BackgroundOutputManager, client:
             ...(task.sessionID ? { sessionId: task.sessionID } : {}),
           } as Record<string, unknown>,
         }
-        ctx.metadata?.(meta)
-
-        const callID = resolveToolCallID(ctx)
-        if (callID) {
-          storeToolMetadata(ctx.sessionID, callID, meta)
-        }
+        await publishToolMetadata(ctx, meta)
 
         const shouldBlock = args.block === true
         const timeoutMs = Math.min(args.timeout ?? 60000, 600000)

src/tools/background-task/create-background-task.ts

@@ -4,7 +4,7 @@ import type { BackgroundTaskArgs } from "./types"
 import { BACKGROUND_TASK_DESCRIPTION } from "./constants"
 import { resolveMessageContext } from "../../features/hook-message-injector"
 import { getSessionAgent } from "../../features/claude-code-session-state"
-import { storeToolMetadata } from "../../features/tool-metadata-store"
+import { publishToolMetadata } from "../../features/tool-metadata-store"
 import { log } from "../../shared/logger"
 import { delay } from "./delay"
 import { getMessageDir } from "./message-dir"
@@ -100,11 +100,7 @@ export function createBackgroundTask(
             ...(sessionId ? { sessionId } : {}),
           },
         }
-        ctx.metadata?.(bgMeta)
-
-        if (ctx.callID) {
-          storeToolMetadata(ctx.sessionID, ctx.callID, bgMeta)
-        }
+        await publishToolMetadata(ctx, bgMeta)
 
         return `Background task launched successfully.