CLI: improve stream recovery and add configurable consecutive mistake limit

[cte]

Summary

• stop treating recoverable idle asks (mistake_limit_reached, api_req_failed) as terminal task completion in CLI stream mode
• keep terminal completion events for completion_result and resume_completed_task
• add --consecutive-mistake-limit <limit> CLI flag and thread it into extension settings
• set CLI default consecutive mistake limit to 10 and document it
• add/update tests for completion semantics and CLI settings propagation

Validation

• pnpm -C apps/cli run -s check-types
• pnpm -C apps/cli run -s lint
• pnpm -C apps/cli vitest run src/agent/__tests__/events.test.ts src/agent/__tests__/extension-host.test.ts src/agent/__tests__/extension-client.test.ts src/lib/storage/__tests__/settings.test.ts
• pnpm -C apps/cli vitest run src/commands/cli/__tests__/run.test.ts src/commands/cli/__tests__/parse-stdin-command.test.ts

Interactively review PR in Roo Code Cloud