fix(athena): update council member guards for new agent key format

The hasPendingCouncilMembers guard now matches the 'Council: ' prefix from COUNCIL_MEMBER_KEY_PREFIX instead of the old task.agent === 'council-member' check.

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

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

src/hooks/keyword-detector/hook.ts

@@ -48,7 +48,7 @@ export function createKeywordDetectorHook(ctx: PluginInput, _collector?: Context
 
       // Athena is a council orchestrator — skip all keyword injections.
       // search/analyze modes tell the agent to use explore agents and grep directly,
-      // which conflicts with Athena's job of calling athena_council for council fan-out.
+      // which conflicts with Athena's job of launching council members via task calls.
       // Use getAgentConfigKey to handle display name remapping ("Athena (Council)" → "athena").
       const agentConfigKey = currentAgent ? getAgentConfigKey(currentAgent) : undefined
       if (agentConfigKey === "athena") {

src/plugin/tool-execute-before.ts

@@ -9,6 +9,7 @@ import { parseRalphLoopArguments } from "../hooks/ralph-loop/command-arguments"
 import { getAgentConfigKey } from "../shared/agent-display-names"
 
 import type { CreatedHooks } from "../create-hooks"
+import { COUNCIL_MEMBER_KEY_PREFIX } from "../agents/builtin-agents/council-member-agents"
 
 export function createToolExecuteBeforeHandler(args: {
   ctx: PluginContext
@@ -27,7 +28,7 @@ export function createToolExecuteBeforeHandler(args: {
 
     const tasks = backgroundManager.getTasksByParentSession(sessionID)
     return tasks.some((task) =>
-      task.agent === "council-member" &&
+      (task.agent === "council-member" || task.agent.startsWith(COUNCIL_MEMBER_KEY_PREFIX)) &&
       (task.status === "pending" || task.status === "running")
     )
   }