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/create.ts

@@ -15,6 +15,7 @@ export interface ScheduleCreateOptions extends ScheduleCommandOptions {
   cron?: string;
   name?: string;
   target?: string;
+  provider?: string;
   maxRuns?: string;
   expiresIn?: string;
 }
@@ -30,6 +31,7 @@ export async function runCreateCommand(
     cron: options.cron,
     name: options.name,
     target: options.target,
+    provider: options.provider,
     maxRuns: options.maxRuns,
     expiresIn: options.expiresIn,
   });