Scaffold and Phase 0-1

prisma/schema.prisma

@@ -0,0 +1,26 @@
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "sqlite"
+  url      = "file:../data/events.db"
+}
+
+// One row per tool invocation. Used for usage analytics, debugging, and
+// rate-limit accounting. Phase 5 wires the writes; Phase 0 only ships the schema.
+model EventLog {
+  id         Int      @id @default(autoincrement())
+  ts         DateTime @default(now())
+  agent      String
+  pluginName String
+  toolName   String
+  inputHash  String
+  durationMs Int
+  success    Boolean
+  errorMsg   String?
+
+  @@index([ts])
+  @@index([agent])
+  @@index([pluginName, toolName])
+}