refactor(council): move hasCouncilResponseTag to council-response-extractor

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

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

src/features/background-agent/council-continuation-enforcer.test.ts

@@ -2,10 +2,10 @@ import { describe, it, expect, mock } from "bun:test"
 
 import {
   isCouncilMemberAgent,
-  hasCouncilResponseTag,
   sendCouncilContinuationNudge,
   resetCouncilNudgeCount,
-} from "./council-continuation-enforcer"
+  } from "./council-continuation-enforcer"
+import { hasCouncilResponseTag } from "../../tools/council-archive/council-response-extractor"
 import type { BackgroundTask } from "./types"
 
 function createRunningTask(overrides: Partial<BackgroundTask> = {}): BackgroundTask {

src/features/background-agent/council-continuation-enforcer.ts

@@ -6,7 +6,6 @@ import {
   createInternalAgentTextPart,
 } from "../../shared"
 import { setSessionTools } from "../../shared/session-tools-store"
-import { extractCouncilResponse } from "../../tools/council-archive/council-response-extractor"
 import { COUNCIL_MEMBER_KEY_PREFIX } from "../../agents/builtin-agents/council-member-agents"
 
 type OpencodeClient = PluginInput["client"]
@@ -26,20 +25,6 @@ export function resetCouncilNudgeCount(taskId: string): void {
   nudgeCountByTask.delete(taskId)
 }
 
-export function hasCouncilResponseTag(sessionMessages: Array<{ info?: { role?: string }; parts?: Array<{ type?: string; text?: string }> }>): boolean {
-  const assistantTexts: string[] = []
-  for (const msg of sessionMessages) {
-    if (msg.info?.role !== "assistant") continue
-    for (const part of msg.parts ?? []) {
-      if (part.type === "text" && part.text) {
-        assistantTexts.push(part.text)
-      }
-    }
-  }
-  if (assistantTexts.length === 0) return false
-  const extraction = extractCouncilResponse(assistantTexts.join("\n"))
-  return extraction.has_response && extraction.response_complete
-}
 
 export function sendCouncilContinuationNudge(
   client: OpencodeClient,

src/features/background-agent/council-response-checker.ts

@@ -1,6 +1,6 @@
 import type { PluginInput } from "@opencode-ai/plugin"
 import { log, normalizeSDKResponse } from "../../shared"
-import { hasCouncilResponseTag } from "./council-continuation-enforcer"
+import { hasCouncilResponseTag } from "../../tools/council-archive/council-response-extractor"
 
 type OpencodeClient = PluginInput["client"]
 

src/tools/council-archive/council-response-extractor.ts

@@ -39,6 +39,21 @@ export function extractCouncilResponse(fullText: string): CouncilResponseExtract
   return { has_response: true, response_complete: true, result: content }
 }
 
+export function hasCouncilResponseTag(sessionMessages: Array<{ info?: { role?: string }; parts?: Array<{ type?: string; text?: string }> }>): boolean {
+  const assistantTexts: string[] = []
+  for (const msg of sessionMessages) {
+    if (msg.info?.role !== "assistant") continue
+    for (const part of msg.parts ?? []) {
+      if (part.type === "text" && part.text) {
+        assistantTexts.push(part.text)
+      }
+    }
+  }
+  if (assistantTexts.length === 0) return false
+  const extraction = extractCouncilResponse(assistantTexts.join("\n"))
+  return extraction.has_response && extraction.response_complete
+}
+
 function isStructuralOpen(text: string, idx: number): boolean {
   return idx === 0 || text[idx - 1] === "\n"
 }