feat(relay): expand role roster to dev-a through dev-f (6 devs)

Adds dev-d, dev-e, dev-f to Role type, KNOWN_ROLES, RelayQueue map,
and all three MCP tool enums in server.ts. Updates the isRole test
to assert the new roles are valid and dev-g is still rejected.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tools/relay/queue.test.ts

@@ -52,7 +52,10 @@ describe("RelayQueue", () => {
     assert.ok(isRole("dev-a"));
     assert.ok(isRole("dev-b"));
     assert.ok(isRole("dev-c"));
-    assert.ok(!isRole("dev-d"));
+    assert.ok(isRole("dev-d"));
+    assert.ok(isRole("dev-e"));
+    assert.ok(isRole("dev-f"));
+    assert.ok(!isRole("dev-g"));
     assert.ok(!isRole(""));
     assert.ok(!isRole("PM"));
   });

tools/relay/queue.ts

@@ -1,6 +1,6 @@
 import { randomUUID } from "node:crypto";
 
-export type Role = "pm" | "dev-a" | "dev-b" | "dev-c";
+export type Role = "pm" | "dev-a" | "dev-b" | "dev-c" | "dev-d" | "dev-e" | "dev-f";
 export type MessageKind = "status" | "question" | "directive" | "free";
 
 export interface RelayMessage {
@@ -12,7 +12,7 @@ export interface RelayMessage {
   ts: string;
 }
 
-const KNOWN_ROLES = new Set<string>(["pm", "dev-a", "dev-b", "dev-c"]);
+const KNOWN_ROLES = new Set<string>(["pm", "dev-a", "dev-b", "dev-c", "dev-d", "dev-e", "dev-f"]);
 
 export function isRole(s: string): s is Role {
   return KNOWN_ROLES.has(s);
@@ -24,6 +24,9 @@ export class RelayQueue {
     ["dev-a", []],
     ["dev-b", []],
     ["dev-c", []],
+    ["dev-d", []],
+    ["dev-e", []],
+    ["dev-f", []],
   ]);
 
   post(from: Role, to: Role, kind: MessageKind, body: string): RelayMessage {

tools/relay/server.ts

@@ -20,12 +20,12 @@ const TOOLS = [
       properties: {
         from: {
           type: "string",
-          enum: ["pm", "dev-a", "dev-b", "dev-c"],
+          enum: ["pm", "dev-a", "dev-b", "dev-c", "dev-d", "dev-e", "dev-f"],
           description: "Your role name",
         },
         to: {
           type: "string",
-          enum: ["pm", "dev-a", "dev-b", "dev-c"],
+          enum: ["pm", "dev-a", "dev-b", "dev-c", "dev-d", "dev-e", "dev-f"],
           description: "Recipient role name",
         },
         kind: {
@@ -50,7 +50,7 @@ const TOOLS = [
       properties: {
         for: {
           type: "string",
-          enum: ["pm", "dev-a", "dev-b", "dev-c"],
+          enum: ["pm", "dev-a", "dev-b", "dev-c", "dev-d", "dev-e", "dev-f"],
           description: "Your role name",
         },
       },
@@ -66,7 +66,7 @@ const TOOLS = [
       properties: {
         for: {
           type: "string",
-          enum: ["pm", "dev-a", "dev-b", "dev-c"],
+          enum: ["pm", "dev-a", "dev-b", "dev-c", "dev-d", "dev-e", "dev-f"],
           description: "Your role name",
         },
       },