Remove plan from chat payload and UI

Frontend/server/graphql/schema.ts

@@ -225,7 +225,6 @@ async function getChatMessages(auth: AuthContext | null) {
       id: m.id,
       role: m.role === "USER" ? "user" : m.role === "ASSISTANT" ? "assistant" : "system",
       text: m.text,
-      plan: Array.isArray(debug.steps) ? (debug.steps as string[]) : [],
       thinking: Array.isArray(debug.thinking) ? (debug.thinking as string[]) : [],
       tools: Array.isArray(debug.tools) ? (debug.tools as string[]) : [],
       toolRuns: Array.isArray(debug.toolRuns)
@@ -619,7 +618,6 @@ async function sendPilotMessage(auth: AuthContext | null, textInput: string) {
         authorUserId: null,
         role: "SYSTEM",
         text: event.text,
-        plan: [],
         thinking: [],
         tools: event.toolRun ? [event.toolRun.name] : [],
         toolRuns: event.toolRun ? [event.toolRun] : [],
@@ -636,7 +634,6 @@ async function sendPilotMessage(auth: AuthContext | null, textInput: string) {
     authorUserId: null,
     role: "ASSISTANT",
     text: reply.text,
-    plan: reply.plan,
     thinking: reply.thinking ?? [],
     tools: reply.tools,
     toolRuns: reply.toolRuns ?? [],
@@ -657,7 +654,6 @@ async function logPilotNote(auth: AuthContext | null, textInput: string) {
     authorUserId: null,
     role: "ASSISTANT",
     text,
-    plan: [],
     thinking: [],
     tools: [],
     toolRuns: [],
@@ -747,7 +743,6 @@ export const crmGraphqlSchema = buildSchema(`
     id: ID!
     role: String!
     text: String!
-    plan: [String!]!
     thinking: [String!]!
     tools: [String!]!
     toolRuns: [PilotToolRun!]!