feat: rss-subscriptions (#28)

* feat(subscriptions): add subscription atoms and types for feeds and rules

* refactor(types): remove obsolete format/quality/codec fields and related logic to simplify download and avoid redundant storage

* feat: add download_history schema, migration, and tag utils

* refactor(dialog): convert to functional wrappers, simplify overlay and

* feat(rss): add enclosure support, refine thumbnail lookup and UI labels
feat(settings): add toggleable anonymous analytics collection and loader script

* feat(settings): add toggleable anonymous analytics collection and loader script

* feat(i18n): add subscriptions UI strings and import downloads types

* refactor(subscriptions): remove legacy status fields and migrate items ordering

* feat: add Radix HoverCard dependency and wrap tabs with HoverCard for

* feat(db): move download history schema into migrate + drizzle config

* feat(subscriptions): add item queueing UI and IPC handler

* feat(downloads): normalize saved filenames, improve candidates and UI display

src/main/lib/database/migrate.ts

@@ -0,0 +1,97 @@
+import { existsSync } from 'node:fs'
+import { join, resolve } from 'node:path'
+import { sql } from 'drizzle-orm'
+import type { BetterSQLite3Database } from 'drizzle-orm/better-sqlite3'
+import { migrate } from 'drizzle-orm/better-sqlite3/migrator'
+import { type MigrationMeta, readMigrationFiles } from 'drizzle-orm/migrator'
+import { app } from 'electron'
+import log from 'electron-log/main'
+
+const MIGRATIONS_RELATIVE_PATH = 'resources/drizzle'
+const MIGRATIONS_TABLE = '__drizzle_migrations'
+const KNOWN_TABLES = ['download_history', 'subscriptions', 'subscription_items']
+
+const migrationsTableDefinition = sql`
+  CREATE TABLE IF NOT EXISTS ${sql.identifier(MIGRATIONS_TABLE)} (
+    id SERIAL PRIMARY KEY,
+    hash text NOT NULL,
+    created_at numeric
+  )
+`
+
+export const runMigrations = (database: BetterSQLite3Database): void => {
+  const migrationsFolder = resolveMigrationsFolder()
+  if (!migrationsFolder) {
+    log.warn('database: drizzle migrations folder not found, skipping migrations')
+    return
+  }
+
+  try {
+    ensureBaseline(database, migrationsFolder)
+    migrate(database, { migrationsFolder, migrationsTable: MIGRATIONS_TABLE })
+  } catch (error) {
+    log.error('database: failed to run drizzle migrations', error)
+  }
+}
+
+const resolveMigrationsFolder = (): string | null => {
+  const candidates = new Set<string>()
+  candidates.add(resolve(process.cwd(), MIGRATIONS_RELATIVE_PATH))
+  candidates.add(resolve(__dirname, '../../../../', MIGRATIONS_RELATIVE_PATH))
+
+  if (process.resourcesPath) {
+    candidates.add(join(process.resourcesPath, MIGRATIONS_RELATIVE_PATH))
+    candidates.add(join(process.resourcesPath, 'app.asar.unpacked', MIGRATIONS_RELATIVE_PATH))
+  }
+
+  try {
+    candidates.add(join(app.getAppPath(), MIGRATIONS_RELATIVE_PATH))
+  } catch {
+    // app might not be ready yet, ignore
+  }
+
+  for (const candidate of candidates) {
+    if (existsSync(candidate)) {
+      return candidate
+    }
+  }
+
+  return null
+}
+
+const ensureBaseline = (database: BetterSQLite3Database, migrationsFolder: string): void => {
+  if (hasTable(database, MIGRATIONS_TABLE)) {
+    return
+  }
+
+  const hasExistingSchema = KNOWN_TABLES.some((table) => hasTable(database, table))
+  if (!hasExistingSchema) {
+    return
+  }
+
+  log.info('database: detected existing schema, seeding drizzle migrations baseline')
+  database.run(migrationsTableDefinition)
+
+  let migrations: MigrationMeta[]
+  try {
+    migrations = readMigrationFiles({ migrationsFolder, migrationsTable: MIGRATIONS_TABLE })
+  } catch (error) {
+    log.error('database: failed to read drizzle migrations while seeding baseline', error)
+    return
+  }
+
+  database.transaction((tx) => {
+    for (const migration of migrations) {
+      tx.run(
+        sql`INSERT INTO ${sql.identifier(MIGRATIONS_TABLE)} ("hash", "created_at") VALUES(${migration.hash}, ${migration.folderMillis})`
+      )
+    }
+  })
+}
+
+const hasTable = (database: BetterSQLite3Database, tableName: string): boolean => {
+  const rows = database.all<{ name: string }>(
+    sql`SELECT name FROM sqlite_master WHERE type = 'table' AND name = ${tableName}`
+  )
+  return rows.length > 0
+}