valkyrjaio / sindri-php / 27863212787

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[Tests] Add --path-coverage to PHPUnit test coverage (#117)

# Description

Brings Sindri to 100% branch coverage (958/958) alongside its existing
100% line coverage. Two sources of uncovered branches were addressed:
namespace-fallback phantom branches from unqualified builtin calls
(removed by importing global functions), and a set of genuinely untested
decision branches — ternary fall-throughs and `foreach` loops whose body
ran but never hit the early `return` — which are now exercised directly.
Adds `--path-coverage` to the coverage script so this stays measurable.

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## Types of Changes

- [x] Improvement _(non-breaking change which improves code)_
- [ ] Bug fix _(non-breaking change which fixes an issue)_
- [ ] New feature _(non-breaking change which adds functionality)_
- [ ] Deprecation _(breaking change which removes functionality)_
- [ ] Breaking change _(fix or feature that would cause existing
functionality to change)_
- [ ] Documentation improvement

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## Changes

- **`src/Sindri/**` (function imports)** — `native_function_invocation`
+ `global_namespace_import` applied so unqualified builtin calls become
`use function` imports, removing namespace-fallback phantom branches
- **`src/Sindri/Generator/Ast/Http/AstHttpDataFileGenerator.php`** —
extracted the temporary route's placeholder `fn(): never => throw`
handler into an `unreachableRouteHandler()` seam (typed `@return
Closure(): never`) so the intentionally-unreachable throw can be covered
by a direct test
- **`tests/Tests/Unit/Ast/ConfigReaderTest.php`** — cover
`resolvePathExpr` realpath success/failure arms and `computeSrcDir`
empty-namespace zero-depth arm
- **`tests/Tests/Unit/Ast/HttpRouteAttributeReaderTest.php`** — cover
the `extractClassPathPrefix` / `extractClassNamePrefix` foreach
fall-through (attribute present but value empty)
- **`tests/Tests/Unit/Ast/HttpRouteMiddlewareReaderTest.php`** — cover
`updateRequestStruct` / `updateResponseStruct` foreach fall-through
- **`... (continued)

3 of 3 new or added lines in 1 file covered. (100.0%)

1546 of 1546 relevant lines covered (100.0%)

17.25 hits per line