Add local git metadata collection in EnvironmentDetector

[xping-admin]

Introduce functionality to detect if the application runs inside a git repository and collect relevant local git metadata, enhancing environment detection capabilities for local developer runs.

Changes

• Git repository detection: walks up from CurrentDirectory looking for .git (directory or file), including worktree/submodule support via gitdir: pointer resolution
• Local git metadata (populated only when IsCIEnvironment = false):
  • Git.Branch — current branch name (omitted on detached HEAD or non-branch symbolic refs)
  • Git.SHA — resolved commit SHA from loose ref or packed-refs fallback
  • Git.Actor — author name from .git/config [user] name, opt-in only via XpingConfiguration.CollectLocalGitAuthor (defaults to false to avoid unintentional PII collection)
• IsInsideGitRepository custom property: "true" / "false"
• IsDetachedHead custom property: set only when HEAD contains a raw SHA (truly detached); non-branch symbolic refs (e.g. ref: refs/tags/...) are handled separately and do not set this flag
• HasStagedChanges custom property: heuristic based on .git/index mtime vs last-commit ref mtime. Detects staged-but-not-committed changes only (not unstaged working-tree edits). Falls back to packed-refs mtime when no loose ref file exists. Omitted when the check cannot be performed.

Tests

Added 11 new unit tests covering: inside/outside git repo, detached HEAD, non-branch symbolic ref, packed-refs SHA resolution, worktree .git file, HasStagedChanges true/false/absent, actor opt-in/opt-out, and CI env-var precedence.

[codecov]

Codecov Report

❌ Patch coverage is 75.40984% with 30 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...vices/Environment/Internals/EnvironmentDetector.cs	74.35%	19 Missing and 11 partials ⚠️

Files with missing lines	Coverage Δ
...Xping.Sdk.Core/Configuration/XpingConfiguration.cs	100.00% <100.00%> (ø)
...ore/Extensions/XpingServiceCollectionExtensions.cs	96.63% <100.00%> (+0.05%)	⬆️
...vices/Environment/Internals/EnvironmentDetector.cs	50.00% <74.35%> (+9.10%)	⬆️

... and 1 file with indirect coverage changes

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• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[Copilot]

Pull request overview

Adds local Git repository detection to EnvironmentDetector so that, when running outside a CI provider, the SDK can enrich EnvironmentInfo.CustomProperties with Git-derived context (branch, SHA, actor, etc.) and expose whether execution occurred inside a Git repo.

Changes:

• Add Git repository detection and (non-CI) local Git metadata collection to EnvironmentDetector.
• Add xUnit tests covering inside/outside Git repo, detached HEAD, packed-refs SHA resolution, and CI env-var precedence.
• Add small test utilities for temporary directories and working-directory restoration.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
src/Xping.Sdk.Core/Services/Environment/Internals/EnvironmentDetector.cs	Adds .git discovery plus local Git metadata parsing and new custom properties.
tests/Xping.Sdk.Core.Tests/Services/Environment/EnvironmentDetectorTests.cs	Adds unit tests and helpers validating new Git metadata behaviors.

[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated 5 comments.

[Copilot]

Pull request overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

[Copilot]

Pull request overview

Copilot reviewed 6 out of 6 changed files in this pull request and generated 1 comment.