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docs/VALIDATORS.md

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+# Validators
+
+## PHP
+
+- Tool used: `php`
+- Command used: `php -l <file>`
+- Requirements: PHP CLI installed
+- Limitations: syntax only
+
+## Python
+
+- Tool used: `python3`
+- Command used: `python3 -m py_compile <file>`
+- Requirements: Python 3 installed
+- Limitations: compile/syntax only
+
+## JavaScript
+
+- Tool used: `node`
+- Command used: `node --check <file>`
+- Requirements: Node.js installed
+- Limitations: syntax only
+
+## JSON
+
+- Tool used: `jq`
+- Command used: `jq empty <file>`
+- Requirements: `jq` installed
+- Limitations: structure validation only
+
+## YAML
+
+- Tool used: `yamllint`
+- Command used: `yamllint -f parsable <file>`
+- Requirements: `yamllint` installed
+- Limitations: skipped when tool is unavailable
+
+## Shell
+
+- Tool used: `bash`
+- Command used: `bash -n <file>`
+- Requirements: Bash installed
+- Limitations: parse check only
+
+## Ruby
+
+- Tool used: `ruby`
+- Command used: `ruby -c <file>`
+- Requirements: Ruby installed
+- Limitations: syntax only
+
+## Perl
+
+- Tool used: `perl`
+- Command used: `perl -c <file>`
+- Requirements: Perl installed
+- Limitations: compile/syntax only
+
+## C#
+
+- Tool used: `dotnet`
+- Command used: `dotnet build <solution-or-project>`
+- Requirements: `.sln` or `.csproj` plus .NET SDK
+- Limitations: standalone `.cs` files are not validated directly; true validation requires a project or solution
+
+## C/C++
+
+- Tool used: `cmake`
+- Command used: `cmake -S <repo> -B <temp-build-dir>`
+- Requirements: `CMakeLists.txt` and `cmake`
+- Limitations: configure validation only, not full compile unless extended later
+
+## HTML
+
+- Tool used: `tidy`
+- Command used: `tidy -qe <file>`
+- Requirements: `tidy` installed
+- Limitations: skipped when tool is unavailable