chore(scripts): align npm scripts and docs with Vue stack

[PierreBrisorgueil]

Summary

Aligns Node stack npm scripts and documentation with the Vue stack for cross-stack consistency.

Script changes (package.json)

Script	Before	After
dev	missing	npm run start (alias)
test:unit	missing	alias of npm test (one-shot)
format	missing	prettier --write . (prettier was already installed)

Documentation changes

• CLAUDE.md: added dev, test:unit, format, prod, explicit release strategy (release = standard-version, release:auto = semantic-release)
• README.md: added npm run dev alias, test:unit, npm run format in Code Quality section
• copilot-instructions.md: added dev, test:unit, format, release:auto

Scope

• Modules impacted: none (scripts/docs only)
• Cross-module impact: none
• Risk level: low

Validation

• npm run lint passes
• npm test passes

[Copilot]

Pull request overview

This PR aligns the Node stack's npm scripts and documentation with the Vue stack to establish cross-stack consistency for developer experience. The changes add standard script aliases (dev, test:unit, format) and update all documentation files to reflect these additions.

Changes:

• Added three npm script aliases in package.json: dev (alias for start), test:unit (alias for test), and format (runs Prettier)
• Updated CLAUDE.md, README.md, and copilot-instructions.md to document the new scripts and clarify release strategies

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
package.json	Added dev, test:unit, and format script aliases for cross-stack consistency
README.md	Updated documentation to include new script aliases in development, testing, and code quality sections
CLAUDE.md	Enhanced canonical commands table with new aliases and clarified release strategy (manual vs CI)
.github/copilot-instructions.md	Updated canonical commands list to include new aliases and release:auto for CI

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.49%. Comparing base (cf3a66d) to head (931ecf5).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3138   +/-   ##
=======================================
  Coverage   89.49%   89.49%           
=======================================
  Files          52       52           
  Lines        1133     1133           
  Branches      217      217           
=======================================
  Hits         1014     1014           
  Misses        107      107           
  Partials       12       12           

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