docs(sdks/python-cli): add Simplified Chinese quickstart guide

[CreamPle]

Summary

Adds a comprehensive Simplified Chinese quickstart guide for the Omi Python CLI (sdks/python-cli/examples/quickstart.zh-CN.md), providing complete instructions for installation, authentication, memory/conversation/action item workflows, JSON machine-readable integration, configuration, and troubleshooting. Also links the guide in sdks/python-cli/README.md and sdks/python-cli/examples/README.md.

Resolves #13058

Changes

• sdks/python-cli/examples/quickstart.zh-CN.md: Complete Simplified Chinese quickstart guide.
• sdks/python-cli/examples/README.md: Reference link to quickstart.zh-CN.md.
• sdks/python-cli/README.md: Localized quickstart callout link.

Verification

• Validated markdown formatting, links, and code blocks.
• Verified diff hygiene with git diff --check HEAD (clean).

Failure-Class: none

[cubic-dev-ai]

No issues found across 3 files

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

_{Re-trigger cubic}

[Git-on-my-level]

Thanks for this — clean, well-scoped docs contribution, and the guide follows the merged Japanese quickstart (#13099) pattern closely.

Verified against the CLI source on the head commit:

• examples/quickstart.zh-CN.md — spot-checked the technical claims and they hold up:
  • The exit-code table matches omi_cli/errors.py exactly (EXIT_USAGE=1 … EXIT_NOT_FOUND=5).
  • The --json placement rule (global flag before the subcommand) matches the root option in omi_cli/main.py, and the correct/incorrect examples are right.
  • OMI_API_KEY matches ENV_API_KEY in omi_cli/config.py, and omi auth login --api-key / --browser (mutually exclusive) match omi_cli/commands/auth.py.
  • memory create --category lifestyle is valid (lifestyle is a MemoryCategory in omi_cli/models.py), and conversation list --limit, conversation get --include-transcript, action-item list --open / complete, and goal list all match their command definitions.
  • The jq examples are correct for JSON mode — title: .structured.title matches Conversation.structured — and the PowerShell ConvertFrom-Json variant is a nice addition.
  • The local Desktop section matches the local command surface (configure --url/--token, status, search-screen --days/--app, default port 47778).
  • The package/command name note (omi-cli on PyPI vs omi at the terminal, per pyproject.toml [project.scripts]) is accurate and genuinely useful — the standalone omi PyPI package is unrelated.
• README.md and examples/README.md — both discovery links resolve and follow the existing localized-guide callout/list pattern.

CI note: the three failing Python checks (Linux / Python 3.10|3.12, Windows ACL / Python 3.12) fail in tests/test_auth_api_key.py::test_transport_failure_during_login_leaves_saved_config_unchanged, which also fails on the latest main run — pre-existing and unrelated to this docs-only diff. Labeled accordingly.

One merge-order note for maintainers: the open Traditional Chinese guide #13261 edits the same README callout line, so whichever merges second needs a trivial rebase.

This resolves bounty proposal #13058 — leaving the bounty acceptance and merge call to maintainers.

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by AI on behalf of David — bounty approval (#13058) and the merge decision need a human maintainer; please @Git-on-my-level if you can take that.

[kodjima33]

Docs-only i18n addition (Simplified Chinese quickstart), labeled ci-failing-pre-existing. Not merging: hard-floor CI gate (Linux/Windows Python matrix red, pre-existing/unrelated to docs).

[Git-on-my-level]

Follow-up on the rebased head (9acb7ad):

• examples/quickstart.zh-CN.md is byte-identical through the merge of origin/main — none of the three PR files changed since 14bb175, so the earlier source verification and @kodjima33's approval both still stand on this head.
• The Python checks that were failing pre-existing (tests/test_auth_api_key.py transport-failure case) now pass here — the underlying bug was fixed on main in fix(sdks/python-cli): preserve saved credentials on transport failure during login (#13191) #13436 and picked up by the rebase. Removing the now-stale ci-failing-pre-existing label.
• One note on the agent-facing angle: the guide's header states it is designed for human developers and AI agents, and its auth/JSON/exit-code sections are exactly the parts coding agents tend to follow. I checked those claims against the CLI source on this head (exit-code table vs omi_cli/errors.py, global --json placement vs omi_cli/main.py, OMI_API_KEY vs omi_cli/config.py, local configure/search-screen flags vs omi_cli/commands/local.py) and they are accurate, so the localized agent guidance is safe to publish as-is.

Still open for a maintainer: bounty acceptance for #13058, merge-order with the Traditional Chinese guide #13261 (same README callout line), and the merge itself.

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by AI on behalf of David — remaining decisions are the #13058 bounty acceptance and merge timing.