Really huge mass update; Getting everything up-to-spec and implementing a wide range of features

prisma/schema.prisma

@@ -73,10 +73,15 @@ model RepoConfig {
   giteaWebhookId String? @db.VarChar(128)
 
   denyList      String[]
-  instanceType  String   @default("t2.medium") @db.VarChar(64)
+  // Names of `/pp` commands the operator has switched off for this repo
+  // (e.g. ["stop", "ignore"]). `help` is always available. See routes/webhook.ts.
+  disabledCommands String[]
+  instanceType  String   @default("t3.medium") @db.VarChar(64)
   inactivityHours Float  @default(12)
   port          Int      @default(3000)
   envVars       Json     @default("{}")
+  preinstallTools String[] @default([])
+  nodeVersion   String?  @db.VarChar(64)
   useDockerCompose Boolean @default(false)
   composeFilePath String? @db.VarChar(512)
   aptPackages   String[]
@@ -103,7 +108,17 @@ model Preview {
   instanceId   String?       @db.VarChar(64)
   instanceIp   String?       @db.VarChar(64)
   port         Int           @default(3000)
+  // Cost tracking. `instanceType` snapshots the type of the currently- (or
+  // last-) launched instance so pricing is accurate even if the RepoConfig
+  // changes later. `instanceLaunchedAt` marks when the live EC2 started billing
+  // (nulled on stop). `accumulatedCostUsd` holds the finalized cost of all
+  // previously-terminated instance sessions for this preview; the live session's
+  // cost is added on top at read time. See lib/cost.ts.
+  instanceType String?       @db.VarChar(64)
+  instanceLaunchedAt DateTime?
+  accumulatedCostUsd Float    @default(0)
   status       PreviewStatus @default(PROVISIONING)
+  stopReason   String?       @db.VarChar(128)
   logs         String        @default("") @db.Text
   pid          Int?
   sshPrivateKey String?      @db.Text
@@ -152,7 +167,7 @@ model NoConfigComment {
 
 model AdminSettings {
   id                           Int    @id @default(1)
-  defaultInstanceType          String @default("t2.medium") @db.VarChar(64)
+  defaultInstanceType          String @default("t3.medium") @db.VarChar(64)
   maxConcurrentInstancesPerUser Int   @default(5)
   logSizeLimitBytes            Int    @default(1048576)
   previewRetentionDays         Int    @default(30)