feat: external video player flow and discord playback link improvements

prisma/schema.prisma

@@ -0,0 +1,40 @@
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model GuildConfig {
+  id          String   @id @default(cuid())
+  guildId     String   @unique
+  logChannelId String?
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+}
+
+model Warning {
+  id          String   @id @default(cuid())
+  guildId     String
+  userId      String
+  moderatorId String
+  reason      String
+  createdAt   DateTime @default(now())
+
+  @@index([guildId, userId])
+}
+
+model NotificationRule {
+  id          String   @id @default(cuid())
+  guildId     String
+  channelId   String
+  cronExpr    String
+  message     String
+  enabled     Boolean  @default(true)
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  @@index([guildId, enabled])
+}