feat(test): add CI for tests

[rayrayraykk]

Description

[Describe what this PR does and why]

Related Issue: Fixes #(issue_number) or Relates to #(issue_number)

Security Considerations: [If applicable, e.g. channel auth, env/config handling]

Type of Change

• Bug fix
• New feature
• Breaking change
• Documentation
• Refactoring

Component(s) Affected

• Core / Backend (app, agents, config, providers, utils, local_models)
• Console (frontend web UI)
• Channels (DingTalk, Feishu, QQ, Discord, iMessage, etc.)
• Skills
• CLI
• Documentation (website)
• Tests
• CI/CD
• Scripts / Deploy

Checklist

• I ran pre-commit run --all-files locally and it passes
• If pre-commit auto-fixed files, I committed those changes and reran checks
• I ran tests locally (pytest or as relevant) and they pass
• Documentation updated (if needed)
• Ready for review

Testing

[How to test these changes]

Local Verification Evidence

pre-commit run --all-files
# paste summary result

pytest
# paste summary result

Additional Notes

[Optional: any other context]

[gemini-code-assist]

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[Copilot]

Pull request overview

Adds a dedicated CI workflow and supporting test suite updates to ensure automated verification of CoPaw across platforms and Python versions, plus a local script to standardize running unit/integrated tests.

Changes:

• Introduces GitHub Actions workflow to run unit + integrated tests (matrixed across OS/Python) and publish coverage.
• Adds/organizes provider-focused unit tests and a couple of integrated smoke tests (version + app startup).
• Removes a set of older top-level tests and updates docs/contributing instructions to use .[dev,full].

Reviewed changes

Copilot reviewed 21 out of 28 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
.github/workflows/tests.yml	New CI pipeline for unit/integrated tests + coverage reporting.
scripts/run_tests.py	Adds a local CLI runner for unit/integrated/coverage/parallel test execution.
scripts/README.md	Documents how to run the new local test runner.
tests/unit/providers/test_provider_manager.py	New tests for provider persistence, migration, and activation behavior.
tests/unit/providers/test_openai_stream_toolcall_compat.py	New tests for OpenAI stream tool-call sanitization/parsing compatibility.
tests/unit/providers/test_openai_provider.py	New tests for OpenAIProvider connection/model listing behavior.
tests/unit/providers/test_ollama_provider.py	New tests for OllamaProvider env loading, model ops, and connectivity checks.
tests/unit/providers/test_ollama_manager_timeout.py	Verifies OllamaModelManager default timeout wiring.
tests/unit/providers/test_default_provider.py	Adds DefaultProvider behavior tests.
tests/unit/providers/test_anthropic_provider.py	New tests for AnthropicProvider connection/model behavior.
tests/integrated/test_version.py	Integrated checks for __version__ import and format.
tests/integrated/test_app_startup.py	Integrated smoke test for starting the app and checking HTTP endpoints.
README.md / README_zh.md / README_ja.md	Updates dev install instructions to .[dev,full].
CONTRIBUTING.md / CONTRIBUTING_zh.md	Updates required local gate instructions to .[dev,full].
tests/test_voice_config.py	Removed legacy test file.
tests/test_twiml.py	Removed legacy test file.
tests/test_tunnel.py	Removed legacy test file.
tests/test_truncate.py	Removed legacy test file.
tests/test_session.py	Removed legacy test file.
tests/test_react_agent_tool_choice.py	Removed legacy test file.
tests/test_providers_cmd.py	Removed legacy test file.
tests/test_memory_compaction_hook.py	Removed legacy test file.
tests/test_mcp_resilience.py	Removed legacy test file.
tests/test_conversation_relay.py	Removed legacy test file.
tests/channels/test_qq_url_sanitize.py	Removed legacy test file.

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[Copilot]

Pull request overview

Copilot reviewed 21 out of 28 changed files in this pull request and generated 4 comments.

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[xieyxclack]

We really this