Support Required: Can't able to execute the Project in Windows Machine

[happybaskaran]

Backend Server working as expected:
PS C:\AgenticWeb\a2ui> cd samples/agent/adk/restaurant_finder
PS C:\AgenticWeb\a2ui\samples\agent\adk\restaurant_finder> uv run .
C:\AgenticWeb\a2ui\samples\agent\adk\restaurant_finder\agent.py:107: UserWarning: [GEMINI_VIA_LITELLM] gemini/gemini-2.5-flash: You are using Gemini via LiteLLM. For better performance, reliability, and access to latest features, consider using Gemini directly through ADK's native Gemini integration. Replace LiteLlm(model='gemini/gemini-2.5-flash') with Gemini(model='gemini-2.5-flash'). Set ADK_SUPPRESS_GEMINI_LITELLM_WARNINGS=true to suppress this warning.
model=LiteLlm(model=LITELLM_MODEL),
INFO:agent:A2UI_SCHEMA successfully loaded and wrapped in an array validator.
INFO:agent:A2UI_SCHEMA successfully loaded and wrapped in an array validator.
INFO: Started server process [9684]
INFO: Waiting for application startup.
INFO: Application startup complete.
INFO: Uvicorn running on http://localhost:10002 (Press CTRL+C to quit)

Frontend:
PS C:\AgenticWeb\a2ui> cd renderers/lit
PS C:\AgenticWeb\a2ui\renderers\lit> npm install
npm warn Unknown project config "always-auth" (//us-npm.pkg.dev/oss-exit-gate-prod/a2ui--npm/:always-auth). This will stop working in the next major version of npm.

up to date, audited 98 packages in 1s

12 packages are looking for funding
run npm fund for details

found 0 vulnerabilities
PS C:\AgenticWeb\a2ui\renderers\lit> npm run build
npm warn Unknown project config "always-auth" (//us-npm.pkg.dev/oss-exit-gate-prod/a2ui--npm/:always-auth). This will stop working in the next major version of npm.

@a2ui/lit@0.8.1 build
wireit

❌ [copy-spec] exited with exit code 1. Output:

The syntax of the command is incorrect.
❌ 1 script failed.
PS C:\AgenticWeb\a2ui\renderers\lit> cd ../../samples/client/lit/shell
PS C:\AgenticWeb\a2ui\samples\client\lit\shell> npm install

up to date, audited 190 packages in 2s

41 packages are looking for funding
run npm fund for details

found 0 vulnerabilities
PS C:\AgenticWeb\a2ui\samples\client\lit\shell> npm run dev

@a2ui/shell@0.8.1 dev
npm run serve --watch

npm warn Unknown cli config "--watch". This will stop working in the next major version of npm.

@a2ui/shell@0.8.1 serve
wireit

❌ [../......\renderers\lit:copy-spec] exited with exit code 1. Output:

The syntax of the command is incorrect.
❌ 3 scripts failed.

node version: 24.11.1
npm version: 11.6.2

Requesting for necessary support on it.

[fgoulet]

Same problem here. Windows 11 and node 24.12.0 .