fix(electron): resolve preload bridge, sqlite native binding, and mount ingest modal

core/store/db.ts

@@ -6,7 +6,7 @@
 // ever touches the state DB — never write paper markdown/PDF bytes here.
 
 import { existsSync, mkdirSync } from 'node:fs'
-import { dirname } from 'node:path'
+import { dirname, resolve } from 'node:path'
 
 import Database from 'better-sqlite3'
 
@@ -15,10 +15,22 @@ import { runMigrations } from './migrate.js'
 export interface OpenDbOptions {
   /** Override the DB file path. Defaults to `data/app.db` under `cwd`. Pass `:memory:` for tests. */
   path?: string
+  /** Override the native binding location. Auto-detected for Electron if omitted. */
+  nativeBinding?: string
 }
 
 const DEFAULT_DB_PATH = 'data/app.db'
 
+function resolveNativeBinding(): string | undefined {
+  if (process.versions.electron) {
+    const electronBinding = resolve(process.cwd(), 'resources/native/better_sqlite3.electron.node')
+    if (existsSync(electronBinding)) {
+      return electronBinding
+    }
+  }
+  return undefined
+}
+
 /**
  * Open (creating if needed) the Vellum state database and bring its schema
  * up to date. Safe to call repeatedly — schema application is idempotent via
@@ -34,7 +46,8 @@ export function openDb(options: OpenDbOptions = {}): Database.Database {
     }
   }
 
-  const db = new Database(path)
+  const nativeBinding = options.nativeBinding ?? resolveNativeBinding()
+  const db = new Database(path, nativeBinding ? { nativeBinding } : undefined)
   db.pragma('journal_mode = WAL')
   db.pragma('foreign_keys = ON')
 

electron.vite.config.ts

@@ -1,5 +1,5 @@
 import { resolve } from 'node:path'
-import { defineConfig } from 'electron-vite'
+import { defineConfig, externalizeDepsPlugin } from 'electron-vite'
 import react from '@vitejs/plugin-react'
 
 // Single-package Electron layout:
@@ -8,17 +8,26 @@ import react from '@vitejs/plugin-react'
 //   core/      -> backend logic imported by the main process
 export default defineConfig({
   main: {
+    plugins: [
+      externalizeDepsPlugin({
+        exclude: ['@agentclientprotocol/sdk', 'unpdf', 'pdfjs-dist'],
+      }),
+    ],
     build: {
       rollupOptions: {
         input: resolve('electron/main.ts'),
-        output: { entryFileNames: 'index.js' },
+        output: {
+          entryFileNames: 'index.cjs',
+          format: 'cjs',
+        },
       },
     },
     resolve: {
       alias: { '@core': resolve('core') },
     },
   },
   preload: {
+    plugins: [externalizeDepsPlugin()],
     build: {
       rollupOptions: {
         input: resolve('electron/preload.ts'),

electron/main.ts

@@ -3,6 +3,7 @@ import type { IpcMainInvokeEvent } from 'electron'
 import { randomUUID } from 'node:crypto'
 import { fileURLToPath } from 'node:url'
 import { dirname, join } from 'node:path'
+import { existsSync } from 'node:fs'
 import { readFile } from 'node:fs/promises'
 import type { Database } from 'better-sqlite3'
 
@@ -35,13 +36,19 @@ const SLUG_PATTERN = /^[a-zA-Z0-9][a-zA-Z0-9._-]*$/
 //
 // Everything below is the minimal boot skeleton. Feature work attaches here.
 
+function resolvePreloadPath(): string {
+  const mjs = join(__dirname, '../preload/preload.mjs')
+  if (existsSync(mjs)) return mjs
+  return join(__dirname, '../preload/index.js')
+}
+
 function createWindow(): void {
   const win = new BrowserWindow({
     width: 1440,
     height: 900,
     show: false,
     webPreferences: {
-      preload: join(__dirname, '../preload/index.js'),
+      preload: resolvePreloadPath(),
       contextIsolation: true,
       nodeIntegration: false,
       sandbox: false,
@@ -102,7 +109,7 @@ ipcMain.handle('vellum:ingest', async (_event, input: unknown): Promise<IngestRe
 
 const SORT_COLUMN_VALUES: readonly PaperSortColumn[] = ['addedAt', 'year', 'title']
 
-// [P1-08] Library IPC seam. `options` arrives from the renderer as untyped
+// [P1-08] Library grid data. `options` arrives from the renderer as untyped
 // `unknown` — narrowed field-by-field here rather than trusted via a cast.
 // core/library/repo.ts's listPapers() is independently defensive about a bad
 // `sort` value (falls back to the added_at default), so this narrowing is