Add --mode to schedule and loop CLI, default background runs to unattended mode

Plumb --mode/--verify-mode through paseo schedule create and paseo loop run.
Mark each provider's unattended mode (claude bypassPermissions, codex/opencode
full-access, copilot autopilot) so loop and schedule services pick it by
default when no explicit modeId is given.

packages/cli/src/commands/schedule/index.ts

@@ -25,6 +25,10 @@ export function createScheduleCommand(): Command {
         "--provider <provider>",
         "Agent provider, or provider/model (e.g. codex or codex/gpt-5.4)",
       )
+      .option(
+        "--mode <mode>",
+        "Provider-specific mode (e.g. claude bypassPermissions, opencode build)",
+      )
       .option("--max-runs <n>", "Maximum number of runs")
       .option("--expires-in <duration>", "Time to live for the schedule"),
   ).action(withOutput(runCreateCommand));