feat(core): add embedded v2 session runtime and tool foundation (#30632)

packages/core/src/event/sql.ts

@@ -1,4 +1,4 @@
-import { sqliteTable, text, integer } from "drizzle-orm/sqlite-core"
+import { sqliteTable, text, integer, index } from "drizzle-orm/sqlite-core"
 import type { EventV2 } from "../event"
 
 export const EventSequenceTable = sqliteTable("event_sequence", {
@@ -7,12 +7,19 @@ export const EventSequenceTable = sqliteTable("event_sequence", {
   owner_id: text(),
 })
 
-export const EventTable = sqliteTable("event", {
-  id: text().$type<EventV2.ID>().primaryKey(),
-  aggregate_id: text()
-    .notNull()
-    .references(() => EventSequenceTable.aggregate_id, { onDelete: "cascade" }),
-  seq: integer().notNull(),
-  type: text().notNull(),
-  data: text({ mode: "json" }).$type<Record<string, unknown>>().notNull(),
-})
+export const EventTable = sqliteTable(
+  "event",
+  {
+    id: text().$type<EventV2.ID>().primaryKey(),
+    aggregate_id: text()
+      .notNull()
+      .references(() => EventSequenceTable.aggregate_id, { onDelete: "cascade" }),
+    seq: integer().notNull(),
+    type: text().notNull(),
+    data: text({ mode: "json" }).$type<Record<string, unknown>>().notNull(),
+  },
+  (table) => [
+    index("event_aggregate_seq_idx").on(table.aggregate_id, table.seq),
+    index("event_aggregate_type_seq_idx").on(table.aggregate_id, table.type, table.seq),
+  ],
+)