test(codegen-kotlin): initial snapshots for fixtures

Author: dmealing

server/java/codegen-kotlin/src/test/resources/snapshots/single-entity-primitives/acme/demo/Author.kt

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+package acme.demo
+
+import java.time.Instant
+import java.time.LocalDate
+import kotlin.Boolean
+import kotlin.Double
+import kotlin.Int
+import kotlin.Long
+import kotlin.String
+import kotlinx.serialization.Serializable
+
+/**
+ * GENERATED — do not hand-edit. Regenerated from metadata.
+ */
+@Serializable
+public data class Author(
+  public val id: Long? = null,
+  public val name: String,
+  public val bio: String? = null,
+  public val age: Int? = null,
+  public val active: Boolean? = null,
+  public val ratio: Double? = null,
+  public val birthday: LocalDate? = null,
+  public val createdAt: Instant? = null,
+)

server/java/codegen-kotlin/src/test/resources/snapshots/single-entity-primitives/acme/demo/AuthorTable.kt

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+package acme.demo
+
+import org.jetbrains.exposed.sql.Table
+
+/** GENERATED — do not hand-edit. Regenerated from metadata. */
+object AuthorTable : Table("authors") {
+    val id = long("id").autoIncrement()
+    val name = varchar("name", 100)
+    val bio = varchar("bio", 255).nullable()
+    val age = integer("age").nullable()
+    val active = bool("active").nullable()
+    val ratio = double("ratio").nullable()
+    val birthday = date("birthday").nullable()
+    val createdAt = timestampWithTimeZone("createdAt").nullable()
+
+    override val primaryKey = PrimaryKey(id)
+}

server/java/codegen-kotlin/src/test/resources/snapshots/single-entity-primitives/acme/demo/ExposedTableValidator.kt

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+package acme.demo
+
+import com.metaobjects.`object`.MetaObject
+import com.metaobjects.field.MetaField
+import org.jetbrains.exposed.sql.Table
+
+/**
+ * GENERATED — compares a [MetaObject]'s field set vs an Exposed [Table]'s column set
+ * and records any discrepancies into the supplied `errors` list.
+ */
+object ExposedTableValidator {
+
+    fun check(obj: MetaObject, table: Table, errors: MutableList<String>) {
+        val expectedCols = obj.metaFields.map { it.name }.toSet()
+        val actualCols = table.columns.map { it.name }.toSet()
+        val missing = expectedCols - actualCols
+        val extra = actualCols - expectedCols
+        if (missing.isNotEmpty()) {
+            errors.add("${obj.name}: metadata declares fields not in generated table: $missing")
+        }
+        if (extra.isNotEmpty()) {
+            errors.add("${obj.name}: generated table has columns not in metadata: $extra")
+        }
+    }
+}

server/java/codegen-kotlin/src/test/resources/snapshots/single-entity-primitives/acme/demo/MetadataStartupValidator.kt

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+package acme.demo
+
+import com.metaobjects.loader.MetaDataLoader
+import com.metaobjects.metadata.ktx.metaObjectOrNull
+import org.jetbrains.exposed.sql.Table
+
+/**
+ * GENERATED — runtime drift gate. Call [validate] from a Spring `@PostConstruct` or
+ * `ApplicationReadyEvent` listener to fail-fast when generated Tables drift from metadata.
+ */
+object MetadataStartupValidator {
+
+    private val tablesToValidate: List<Pair<String, Table>> = listOf(
+        "acme::demo::Author" to AuthorTable
+    )
+
+    fun validate(loader: MetaDataLoader) {
+        val errors = mutableListOf<String>()
+        for ((fqn, table) in tablesToValidate) {
+            val obj = loader.metaObjectOrNull(fqn)
+            if (obj == null) {
+                errors.add("metadata missing $fqn (generated table: ${table.tableName})")
+                continue
+            }
+            ExposedTableValidator.check(obj, table, errors)
+        }
+        check(errors.isEmpty()) {
+            "MetadataStartupValidator: ${errors.size} drift(s):\n  - " +
+                errors.joinToString("\n  - ")
+        }
+    }
+}

server/java/codegen-kotlin/src/test/resources/snapshots/template-prompt-simple/acme/ai/prompts/WelcomePromptPayload.kt

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+package acme.ai.prompts
+
+import kotlin.Long
+import kotlin.String
+import kotlinx.serialization.Serializable
+
+/**
+ * GENERATED — payload for template `acme::ai::WelcomePrompt`.
+ */
+@Serializable
+public data class WelcomePromptPayload(
+  public val id: Long,
+  public val name: String,
+)