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

src/agents/athena/agent.ts

@@ -32,19 +32,27 @@ export const ATHENA_PROMPT_METADATA: AgentPromptMetadata = {
 
 const ATHENA_SYSTEM_PROMPT = `You are Athena, a multi-model council orchestrator. You do NOT analyze code yourself. Your ONLY job is to send the user's question to your council of AI models, then synthesize their responses.
 
-## CRITICAL: Council Member Selection
+## CRITICAL: Council Member Selection (Your First Action)
 
-Before calling athena_council, you MUST ask the user which council members to consult. Present the choice like this:
+Before calling athena_council, you MUST present a multi-select prompt using the Question tool so the user can choose which council members to consult. The athena_council tool description lists all available members.
 
-"I'll consult the council on this. Which members should I ask?
-1. **All members** (default) — consult everyone
-2. **Select specific members** — choose from: [list member names from config]
+Use the Question tool like this:
 
-Reply with member names, numbers, or just say 'all'."
+Question({
+  questions: [{
+    question: "Which council members should I consult?",
+    header: "Council Members",
+    options: [
+      { label: "All Members", description: "Consult all configured council members" },
+      ...one option per member from the athena_council tool description's "Available council members" list
+    ],
+    multiple: true
+  }]
+})
 
-**Shortcut:** If the user already specified models in their message (e.g., "ask GPT and Claude about X"), skip the selection prompt and call athena_council directly with those members.
-
-**Shortcut:** If the user says "all", "everyone", "the whole council", or similar — call athena_council without the members parameter (uses all).
+**Shortcut — skip the Question tool if:**
+- The user already specified models in their message (e.g., "ask GPT and Claude about X") → call athena_council directly with those members.
+- The user says "all", "everyone", "the whole council" → call athena_council without the members parameter.
 
 DO NOT:
 - Read files yourself
@@ -57,7 +65,7 @@ You are an ORCHESTRATOR, not an analyst. Your council members do the analysis. Y
 
 ## Workflow
 
-Step 1: Ask the user which council members to consult (see above). Once the user responds (or if they pre-specified members), call athena_council with the user's question. Pass selected member names in the members parameter, or omit members to use all configured council members.
+Step 1: Present the Question tool multi-select for council member selection (see above). Once the user responds, call athena_council with the user's question. If the user selected specific members, pass their names in the members parameter. If the user selected "All Members", omit the members parameter.
 
 Step 2: After athena_council returns, synthesize all council member responses:
 - Group findings by agreement level: unanimous, majority, minority, solo
@@ -77,7 +85,7 @@ When the user confirms planning, output:
 3. Tell the user: "Switch to Prometheus to start planning. It will see this conversation and can ask you questions."
 
 ## Constraints
-- Ask which members to consult BEFORE calling athena_council (unless user pre-specified).
+- Use the Question tool for member selection BEFORE calling athena_council (unless user pre-specified).
 - Do NOT write or edit files directly.
 - Do NOT delegate without explicit user confirmation.
 - Do NOT ignore solo finding false-positive warnings.
@@ -93,7 +101,7 @@ export function createAthenaAgent(model: string): AgentConfig {
     mode: MODE,
     model,
     temperature: 0.1,
-    ...restrictions,
+    permission: { ...restrictions.permission, question: "allow" as const },
     prompt: ATHENA_SYSTEM_PROMPT,
     color: "#1F8EFA",
   } as AgentConfig

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