feat(fx-core): enable v4 by default

[Alive-Fish]

No description provided.

[github-actions]

❌ VscUse Test Plan — Tests failure

Why these tests: Enabling fx-core v4 by default broadly affects project-creation behavior, so the most relevant VS Code UI coverage is project-type selection and wizard loading.

Branch diff: copilot/enable-v4-default → dev

Results: ✅ 0 passed · ❌ 2 failed (of 2 plans)

Plans run:

• Regular_Verify_Project_Type_Selection_Shows_Only_DA_CEA_Teams
• Regular_Verify_Wizard_UI_Loads_All_Project_Types_From_Wizard_Node

---

Step	Status
1️⃣ Build VSIX (CD)	✅ Done
2️⃣ Build Docker image	✅ Done
3️⃣ Run UI tests	❌ Tests failure (0/2 passed)

🎯 Actual UI test run
🔗 Full pipeline results
📊 Detailed test report

ℹ️ How were these tests selected?

GitHub Copilot (GPT-5.6-sol, high reasoning) analysed the PR title, description, and the diff between
copilot/enable-v4-default and dev
to pick the most relevant test plans from packages/tests/vscuse/Index.md.

[github-actions]

E2E Test Selection — AI Selected

Why these tests: The fx-core changes require a broad core test selection, and this is the only available test case.

Cases selected (1):

• ./vs/FoundryProxyAgent.dotnet.tests.ts

---

View pipeline run

Need to run more tests?

Comment on this PR:

• /e2e-run ./path/to/test.tests.ts — add specific cases to AI selection
• /e2e-run-all — run all e2e cases

Then re-run the workflow.

[github-actions]

❌ VscUse Test Plan — Tests failure

Why these tests: AI selection unavailable (source=smoke-fallback); using smoke test cases as fallback.

Branch diff: copilot/enable-v4-default → dev

Results: ✅ 0 passed · ❌ 5 failed (of 5 plans)

Plans run:

• Basic_Custom_Engine_Azure_OpenAI_ts_Copilot_Remote_Debug
• General_Teams_Agent_OpenAI_py_Remote_Debug
• Message_extension_ts_remote_debug
• DA_Oauth_js_Remote_Debug
• Teams_Agent_With_Data_AI_Search_Azure_OpenAI_ts_Remote_Debug

---

Step	Status
1️⃣ Build VSIX (CD)	✅ Done
2️⃣ Build Docker image	✅ Done
3️⃣ Run UI tests	❌ Tests failure (0/5 passed)

🎯 Actual UI test run
🔗 Full pipeline results
📊 Detailed test report

ℹ️ How were these tests selected?

GitHub Copilot (GPT-5.6-sol, high reasoning) analysed the PR title, description, and the diff between
copilot/enable-v4-default and dev
to pick the most relevant test plans from packages/tests/vscuse/Index.md.

[github-actions]

❌ VscUse Test Plan — Tests failure

Why these tests: The v4 default changes project-creation feature flags and Add Plugin wizard options, so these plans cover project-type visibility, wizard loading, and dependent sub-option behavior.

Branch diff: copilot/enable-v4-default → dev

Results: ✅ 2 passed · ❌ 1 failed (of 3 plans)

Plans run:

• Regular_Verify_Project_Type_Selection_Shows_Only_DA_CEA_Teams
• Regular_Verify_Wizard_UI_Loads_All_Project_Types_From_Wizard_Node
• Regular_Verify_Sub_Options_On_App_Created_By_TDP

---

Step	Status
1️⃣ Build VSIX (CD)	✅ Done
2️⃣ Build Docker image	✅ Done
3️⃣ Run UI tests	❌ Tests failure (2/3 passed)

🎯 Actual UI test run
🔗 Full pipeline results
📊 Detailed test report

ℹ️ How were these tests selected?

GitHub Copilot (GPT-5.6-sol, high reasoning) analysed the PR title, description, and the diff between
copilot/enable-v4-default and dev
to pick the most relevant test plans from packages/tests/vscuse/Index.md.

[github-actions]

❌ VscUse Test Plan — Tests failure

Why these tests: Enabling fx-core v4 by default primarily affects project creation and scenario routing, so these plans cover the VS Code creation wizard, project-type selection, and front-door creation flow.

Branch diff: copilot/enable-v4-default → dev

Results: ✅ 2 passed · ❌ 1 failed (of 3 plans)

Plans run:

• Regular_Verify_Project_Type_Selection_Shows_Only_DA_CEA_Teams
• Regular_Verify_Wizard_UI_Loads_All_Project_Types_From_Wizard_Node
• Regular_Newproject_In_Exist_Project

---

Step	Status
1️⃣ Build VSIX (CD)	✅ Done
2️⃣ Build Docker image	✅ Done
3️⃣ Run UI tests	❌ Tests failure (2/3 passed)

🎯 Actual UI test run
🔗 Full pipeline results
📊 Detailed test report

ℹ️ How were these tests selected?

GitHub Copilot (GPT-5.6-sol, high reasoning) analysed the PR title, description, and the diff between
copilot/enable-v4-default and dev
to pick the most relevant test plans from packages/tests/vscuse/Index.md.