fix(core): preserve session metadata migration identity (#30176)

packages/core/src/database/migration.gen.ts

@@ -22,6 +22,6 @@ export const migrations = (
     import("./migration/20260507164347_add_workspace_time"),
     import("./migration/20260510033149_session_usage"),
     import("./migration/20260511000411_data_migration_state"),
-    import("./migration/20260530232709_lovely_romulus"),
+    import("./migration/20260511173437_session-metadata"),
   ])
 ).map((module) => module.default) satisfies DatabaseMigration.Migration[]

packages/core/src/database/migration/20260511173437_session-metadata.ts

@@ -0,0 +1,16 @@
+import { Effect } from "effect"
+import type { DatabaseMigration } from "../migration"
+
+export default {
+  id: "20260511173437_session-metadata",
+  up(tx) {
+    return Effect.gen(function* () {
+      // This column briefly shipped again under 20260530232709_lovely_romulus.
+      if (
+        (yield* tx.all<{ name: string }>(`PRAGMA table_info(\`session\`)`)).some((column) => column.name === "metadata")
+      )
+        return
+      yield* tx.run(`ALTER TABLE \`session\` ADD \`metadata\` text;`)
+    })
+  },
+} satisfies DatabaseMigration.Migration

packages/core/src/database/migration/20260530232709_lovely_romulus.ts

@@ -1,11 +0,0 @@
-import { Effect } from "effect"
-import type { DatabaseMigration } from "../migration"
-
-export default {
-  id: "20260530232709_lovely_romulus",
-  up(tx) {
-    return Effect.gen(function* () {
-      yield* tx.run(`ALTER TABLE \`session\` ADD \`metadata\` text;`)
-    })
-  },
-} satisfies DatabaseMigration.Migration