⚗ writing telemetry

src/main/fileSystem.ts

@@ -47,6 +47,18 @@ export interface RevisionMeta {
   wordCount: number
 }
 
+export interface TelemetrySession {
+  id: string
+  storyId: string
+  date: string          // YYYY-MM-DD local date
+  startedAt: number     // ms timestamp
+  endedAt: number       // ms timestamp
+  wordsStart: number
+  wordsEnd: number
+  activeMs: number      // typing time, excluding idle gaps
+  wpm: number
+}
+
 // ─── Path helpers ─────────────────────────────────────────────────────────────
 
 const borgesDir = (): string => join(getCollectionRoot(), '.borges')
@@ -56,6 +68,7 @@ const sessionFile = (): string => join(borgesDir(), 'session.json')
 const marketsFile = (): string => join(borgesDir(), 'markets.json')
 const submissionsFile = (): string => join(borgesDir(), 'submissions.json')
 const revisionsDir = (): string => join(borgesDir(), 'revisions')
+const telemetryFile = (): string => join(borgesDir(), 'telemetry.json')
 
 const MAX_REVISIONS = 50
 
@@ -320,3 +333,23 @@ export async function loadRevision(filePath: string, revisionId: string): Promis
   const raw = JSON.parse(await readFile(revPath, 'utf-8'))
   return raw.content
 }
+
+// ─── Telemetry ────────────────────────────────────────────────────────────────
+
+export async function appendTelemetrySession(session: TelemetrySession): Promise<void> {
+  await mkdir(borgesDir(), { recursive: true })
+  let sessions: TelemetrySession[] = []
+  try {
+    sessions = JSON.parse(await readFile(telemetryFile(), 'utf-8'))
+  } catch { /* first write */ }
+  sessions.push(session)
+  await writeFile(telemetryFile(), JSON.stringify(sessions, null, 2), 'utf-8')
+}
+
+export async function readTelemetry(): Promise<TelemetrySession[]> {
+  try {
+    return JSON.parse(await readFile(telemetryFile(), 'utf-8'))
+  } catch {
+    return []
+  }
+}

src/main/ipcHandlers.ts

@@ -5,9 +5,10 @@ import {
   saveOrderList, readSession, writeSession,
   listMarkets, upsertMarket, deleteMarket,
   listSubmissions, addSubmission, updateSubmission,
-  saveRevision, listRevisions, loadRevision
+  saveRevision, listRevisions, loadRevision,
+  appendTelemetrySession, readTelemetry
 } from './fileSystem'
-import type { Market, Submission, StoryMeta } from './fileSystem'
+import type { Market, Submission, StoryMeta, TelemetrySession } from './fileSystem'
 import { streamMessage, streamPrompt, resetClient } from './aiService'
 import type { AIPayload } from './aiService'
 import { readGlobalConfig, writeGlobalConfig } from './globalConfig'
@@ -48,6 +49,10 @@ export function registerIpcHandlers(): void {
   ipcMain.handle('revisions:list', async (_e, path: string) => listRevisions(path))
   ipcMain.handle('revisions:load', async (_e, path: string, id: string) => loadRevision(path, id))
 
+  // ── Telemetry ─────────────────────────────────────────────────────────────────
+  ipcMain.handle('telemetry:append', async (_e, session: TelemetrySession) => appendTelemetrySession(session))
+  ipcMain.handle('telemetry:read', async () => readTelemetry())
+
   // ── Config ────────────────────────────────────────────────────────────────────
   ipcMain.handle('config:read', async () => readGlobalConfig())
   ipcMain.handle('config:write', async (_e, updates: Partial<GlobalConfig>) => {