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/delegate-task/unstable-agent-task.ts

@@ -3,8 +3,7 @@ import type { ExecutorContext, ParentContext, SessionMessage } from "./executor-
 import { DEFAULT_SYNC_POLL_TIMEOUT_MS, getTimingConfig } from "./timing"
 import { buildTaskPrompt } from "./prompt-builder"
 import { cancelUnstableAgentTask } from "./cancel-unstable-agent-task"
-import { storeToolMetadata } from "../../features/tool-metadata-store"
-import { resolveCallID } from "./resolve-call-id"
+import { publishToolMetadata } from "../../features/tool-metadata-store"
 import { formatDuration } from "./time-formatter"
 import { formatDetailedError } from "./error-formatting"
 import { getSessionTools } from "../../shared/session-tools-store"
@@ -81,11 +80,7 @@ export async function executeUnstableAgentTask(
         model: categoryModel ? { providerID: categoryModel.providerID, modelID: categoryModel.modelID } : undefined,
       },
     }
-    await ctx.metadata?.(bgTaskMeta)
-    const callID = resolveCallID(ctx)
-    if (callID) {
-      storeToolMetadata(ctx.sessionID, callID, bgTaskMeta)
-    }
+    await publishToolMetadata(ctx, bgTaskMeta)
 
     const startTime = new Date()
     const timingCfg = getTimingConfig()