initial skeleton for db studio command

Author: franklinfollis

packages/cli/src/main/kotlin/elide/tool/cli/Elide.kt

@@ -43,6 +43,7 @@ import elide.runtime.gvm.internals.intrinsics.ElideIntrinsic
 import elide.tool.cli.cfg.ElideCLITool.ELIDE_TOOL_VERSION
 import elide.tool.cli.cmd.builder.ToolBuildCommand
 import elide.tool.cli.cmd.builder.ToolWhichCommand
+import elide.tool.cli.cmd.db.DbCommand
 import elide.tool.cli.cmd.deps.AddCommand
 import elide.tool.cli.cmd.deps.InstallCommand
 import elide.tool.cli.cmd.dev.DevCommand
@@ -132,6 +133,7 @@ internal const val ELIDE_HEADER = ("@|bold,fg(magenta)%n" +
     McpCommand::class,
     Elide.Completions::class,
     ToolSecretsCommand::class,
+    DbCommand::class,
   ],
   customSynopsis = [
     "",

packages/cli/src/main/kotlin/elide/tool/cli/cmd/db/DbStudioCommand.kt

@@ -0,0 +1,58 @@
+package elide.tool.cli.cmd.db
+
+import io.micronaut.core.annotation.Introspected
+import io.micronaut.core.annotation.ReflectiveAccess
+import picocli.CommandLine.Command
+import picocli.CommandLine.Option
+import elide.tool.cli.CommandContext
+import elide.tool.cli.CommandResult
+import elide.tool.cli.ProjectAwareSubcommand
+import elide.tool.cli.ToolState
+
+@Command(
+  name = "db",
+  description = ["Database tools for Elide projects."],
+  mixinStandardHelpOptions = true,
+  subcommands = [DbStudioCommand::class],
+)
+@Introspected
+@ReflectiveAccess
+internal class DbCommand : ProjectAwareSubcommand<ToolState, CommandContext>() {
+  override suspend fun CommandContext.invoke(state: ToolContext<ToolState>): CommandResult {
+    return err("`elide db` requires a subcommand (try: studio)")
+  }
+}
+
+@Command(
+  name = "studio",
+  description = ["Launch database UI for SQLite databases"],
+  mixinStandardHelpOptions = true,
+)
+@Introspected
+@ReflectiveAccess
+internal class DbStudioCommand : ProjectAwareSubcommand<ToolState, CommandContext>() {
+
+  @Option(
+    names = ["--port", "-p"],
+    description = ["Port to run the database UI on"],
+    defaultValue = "4983",
+  )
+  internal var port: Int = 4983
+
+  @Option(
+    names = ["--host"],
+    description = ["Host to bind the database UI to"],
+    defaultValue = "localhost",
+  )
+  internal var host: String = "localhost"
+
+  override suspend fun CommandContext.invoke(state: ToolContext<ToolState>): CommandResult {
+    output {
+      append("Starting database UI on http://$host:$port")
+    }
+
+    // TODO
+
+    return success()
+  }
+}