Add provider/model selection for schedules and workspace fetch debug logging

- Unify resolveProviderAndModel across CLI and server, supporting
  provider/model syntax (e.g. codex/gpt-5.4) for agent runs and schedules
- Add --provider flag to schedule create CLI and both MCP schedule tools
- Add structured debug logging to workspace fetch hydrate, sidebar
  refresh, and real-time update paths
- Update orchestrate skill references

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

@@ -21,6 +21,10 @@ export function createScheduleCommand(): Command {
       .option("--cron <expr>", "Cron cadence expression")
       .option("--name <name>", "Optional schedule name")
       .option("--target <self|new-agent|agent-id>", "Run target")
+      .option(
+        "--provider <provider>",
+        "Agent provider, or provider/model (e.g. codex or codex/gpt-5.4)",
+      )
       .option("--max-runs <n>", "Maximum number of runs")
       .option("--expires-in <duration>", "Time to live for the schedule"),
   ).action(withOutput(runCreateCommand));