feat(athena): use Question tool TUI for council member selection with dynamic member list

src/tools/athena-council/constants.ts

@@ -1,8 +1,8 @@
-export const ATHENA_COUNCIL_TOOL_DESCRIPTION = `Execute Athena's multi-model council. Sends the question to all configured council members in parallel and returns their collected responses.
+export const ATHENA_COUNCIL_TOOL_DESCRIPTION_TEMPLATE = `Execute Athena's multi-model council. Sends the question to all configured council members in parallel and returns their collected responses.
 
 Optionally pass a members array of member names or model IDs to consult only specific council members. If omitted, all configured members are consulted.
 
-This tool reads council member configuration from the plugin config (agents.athena.council.members). Each member runs as an independent background agent with their configured model, variant, and temperature.
+{members}
 
 Returns council member responses with status, response text, and timing. Use this output for synthesis.
 

src/tools/athena-council/tools.test.ts

@@ -2,7 +2,7 @@
 
 import { describe, expect, test } from "bun:test"
 import type { BackgroundManager } from "../../features/background-agent"
-import { ATHENA_COUNCIL_TOOL_DESCRIPTION } from "./constants"
+import { ATHENA_COUNCIL_TOOL_DESCRIPTION_TEMPLATE } from "./constants"
 import { createAthenaCouncilTool, filterCouncilMembers } from "./tools"
 
 const mockManager = {
@@ -127,8 +127,9 @@ describe("createAthenaCouncilTool", () => {
       councilConfig: { members: [{ model: "openai/gpt-5.3-codex" }] },
     })
 
-    // #then
-    expect(athenaCouncilTool.description).toBe(ATHENA_COUNCIL_TOOL_DESCRIPTION)
+    // #then - description should be dynamic and include the member model
+    expect(athenaCouncilTool.description).toContain("openai/gpt-5.3-codex")
+    expect(athenaCouncilTool.description).toContain("Available council members:")
     expect((athenaCouncilTool as { args: Record<string, unknown> }).args.question).toBeDefined()
     expect((athenaCouncilTool as { args: Record<string, unknown> }).args.members).toBeDefined()
   })

src/tools/athena-council/tools.ts

@@ -2,7 +2,7 @@ import { tool, type ToolDefinition } from "@opencode-ai/plugin"
 import { executeCouncil } from "../../agents/athena/council-orchestrator"
 import type { CouncilConfig, CouncilMemberConfig, CouncilMemberResponse } from "../../agents/athena/types"
 import type { BackgroundManager, BackgroundTask, BackgroundTaskStatus } from "../../features/background-agent"
-import { ATHENA_COUNCIL_TOOL_DESCRIPTION } from "./constants"
+import { ATHENA_COUNCIL_TOOL_DESCRIPTION_TEMPLATE } from "./constants"
 import { createCouncilLauncher } from "./council-launcher"
 import type { AthenaCouncilToolArgs } from "./types"
 
@@ -152,14 +152,23 @@ export function filterCouncilMembers(
   return { members: filteredMembers }
 }
 
+function buildToolDescription(councilConfig: CouncilConfig | undefined): string {
+  const memberList = councilConfig?.members.length
+    ? councilConfig.members.map((m) => `- ${m.name ?? m.model}`).join("\n")
+    : "No members configured."
+
+  return ATHENA_COUNCIL_TOOL_DESCRIPTION_TEMPLATE.replace("{members}", `Available council members:\n${memberList}`)
+}
+
 export function createAthenaCouncilTool(args: {
   backgroundManager: BackgroundManager
   councilConfig: CouncilConfig | undefined
 }): ToolDefinition {
   const { backgroundManager, councilConfig } = args
+  const description = buildToolDescription(councilConfig)
 
   return tool({
-    description: ATHENA_COUNCIL_TOOL_DESCRIPTION,
+    description,
     args: {
       question: tool.schema.string().describe("The question to send to all council members"),
       members: tool.schema