not installing firebase on angular19

ng add @angular/fire
✔ Determining Package Manager
› Using package manager: npm
✔ Searching for compatible package version
› Unable to find compatible package. Using 'latest' tag.
✔ Loading package information from registry
› ⚠ Package has unmet peer dependencies. Adding the package may not succeed.
✔ Confirming installation
✖ Unable to install package

npm error code ERESOLVE
npm error ERESOLVE unable to resolve dependency tree
npm error
npm error While resolving: example@0.0.0
npm error Found: @angular/common@19.1.1
npm error node_modules/@angular/common
npm error @angular/common@"^19.0.0" from the root project
npm error
npm error Could not resolve dependency:
npm error peer @angular/common@"^18.0.0" from @angular/fire@18.0.1
npm error node_modules/@angular/fire
npm error @angular/fire@"18.0.1" from the root project
npm error
npm error Fix the upstream dependency conflict, or retry
npm error this command with --force or --legacy-peer-deps
npm error to accept an incorrect (and potentially broken) dependency resolution.
npm error
npm error
npm error For a full report see:
npm error C:\Users\pavan\AppData\Local\npm-cache\_logs\2025-01-16T15_41_21_682Z-eresolve-report.txt
npm error A complete log of this run can be found in: C:\Users\pavan\AppData\Local\npm-cache\_logs\2025-01-16T15_41_21_682Z-debug-0.log


在 Angular 19 專案中執行 `ng add @angular/fire`，並檢查針對 `@angular/fire` 和 `@angular/common` 回報的 peer dependency 範圍。完成的標準是該命令能在沒有 ERESOLVE 的情況下安裝相容的套件；內容沒有指定任何 repository 檔案或測試，因此請找出控制相容性的 dependency 宣告。

由索引模型根據 Issue 內容生成。