Feature/delta team/epic r04 (#7)

## Summary

epic r04 - begin refactor

## Change Type

- [x] Cowork feature
- [ ] Bug fix
- [ ] Core AI contribution
- [ ] Test / hardening
- [ ] Performance
- [ ] Documentation

## Related Work

Cowork Task:

Core Repo: http://34.143.229.138/gitea-admin/fsg-ai-core-assets

Core AI Issue:

Core Task:

Related PR:

## Scope

What is intentionally included?

What is intentionally NOT included?

## Validation

- [ ] Unit tests
- [ ] Integration tests
- [ ] Manual verification
- [ ] Regression check

Commands / evidence:

## Security Impact

Permission / credential / network / customer data impact:

## Compatibility

- [ ] No breaking change
- [ ] Breaking change documented

## Reviewer Notes

Anything Cowork reviewers should pay attention to.

---------

Co-authored-by: Anh Tran Nguyen Minh <anhtnm1@fpt.com>
Co-authored-by: Huong Le Thi Thien <huongltt35@fpt.com>
Co-authored-by: Nam Pham Dinh Thanh <nampdt@fpt.com>
Co-authored-by: Vu Dam Tuan <vudt15@fpt.com>
Co-authored-by: Hiep Ha Van <hiephv3@fpt.com>
Co-authored-by: Lam Hoang Van <lamhv7@fpt.com>
Reviewed-on: #7
Co-authored-by: Duy Le Huu <duylh19@fpt.com>

tests/test_project_context_mcp_template.py

@@ -14,7 +14,6 @@ from cowork_local.mcp_servers.project_context.registry import (
 )
 from cowork_local.mcp_servers.project_context.runtime import require_supported_python
 from cowork_local.mcp_servers.project_context.server import dispatch
-from mcp import types
 
 EXPECTED_TOOLS = {
     "get_project_issue_context",
@@ -88,6 +87,16 @@ def source() -> dict[str, str]:
 
 
 def test_template_exposes_exactly_three_provider_neutral_tools() -> None:
+    # Importing the MCP SDK at module scope aborted collection for the ENTIRE
+    # suite whenever the SDK was missing, so the guard lives here, inside the only
+    # test that touches it. Guarding per-test rather than per-module keeps the
+    # other cases -- pure-Python contract checks that need no SDK -- running
+    # instead of silently skipping with it.
+    #
+    # ``mcp`` is in requirements.txt, so a correctly installed checkout runs this
+    # test for real; the guard only covers an environment installed by hand.
+    types = pytest.importorskip("mcp.types")
+
     assert set(TOOL_NAMES) == EXPECTED_TOOLS
     declarations = tool_declarations()
     assert {item["name"] for item in declarations} == EXPECTED_TOOLS