fix(create-rslib): use current package manager in templates

[Timeless0911]

Summary

• update dependency create-rstack to v1.7.8
• replace hardcoded package manager commands with template variables in documentation files

Related Links

• https://github.com/rspack-contrib/create-rstack/releases/tag/v1.7.8

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[Copilot]

Pull Request Overview

This PR updates the create-rslib package to support dynamic package manager detection by replacing hardcoded package manager commands with template variables. The changes update the create-rstack dependency to v1.7.8 and ensure all documentation uses the user's current package manager instead of assuming a specific one.

• Updates create-rstack dependency from 1.7.7 to 1.7.8
• Replaces hardcoded package manager commands (npm/pnpm) with {{ packageManager }} template variables
• Adds packageManager parameter to copyFolder function calls in template generation

Reviewed Changes

Copilot reviewed 48 out of 49 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pnpm-lock.yaml	Updates create-rstack package resolution and snapshot from 1.7.7 to 1.7.8
packages/create-rslib/package.json	Updates create-rstack dependency to 1.7.8 and adds type-check script
packages/create-rslib/src/helpers.ts	Adds packageManager parameter to copyFolder calls for template generation
packages/create-rslib/template-common/README.md	Replaces hardcoded pnpm commands with {{ packageManager }} template variable
packages/create-rslib/template-common/AGENTS.md	Replaces hardcoded npm commands with {{ packageManager }} template variable
packages/create-rslib/template-[*]/AGENTS.md (24 files)	Replaces hardcoded npm commands with {{ packageManager }} template variable in all template-specific AGENTS.md files
packages/create-rslib/fragments/tools/*/AGENTS.md (16 files)	Replaces hardcoded npm commands with {{ packageManager }} template variable in all fragment AGENTS.md files

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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