Support Required: unable to execute the project on Windows

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.