Add .NET/C# instructions to multi-language workflows

.github/workflows/bot-detection.md

@@ -903,7 +903,7 @@ This workflow enforces determinism via a **precompute job**.
 - PR touches sensitive paths (any changed file matches):
   - `.github/workflows/` or `.github/actions/`: `+15`
   - `Dockerfile`, `Makefile`, `scripts/`, `actions/`: `+10`
-  - dependency manifests/lockfiles (`package.json`, `package-lock.json`, `pnpm-lock.yaml`, `yarn.lock`, `go.mod`, `go.sum`, `requirements*.txt`): `+6`
+  - dependency manifests/lockfiles (`package.json`, `package-lock.json`, `pnpm-lock.yaml`, `yarn.lock`, `go.mod`, `go.sum`, `requirements*.txt`, `*.csproj`, `Directory.Packages.props`): `+6`
 - Burst behavior: `+6` if the account authored `>= 5` issues/PRs in the window.
 - Near-duplicate content: `+8` if the account posted the same (or obviously templated) text `>= 3` times in the window.
 - New account age: `+8` if the account is `< 14 days` old.

.github/workflows/code-simplifier.md

@@ -72,7 +72,7 @@ Use GitHub tools to:
 For each merged PR or recent commit:
 - Use `pull_request_read` with `method: get_files` to list changed files
 - Use `get_commit` to see file changes in recent commits
-- Focus on source code files (`.go`, `.js`, `.ts`, `.tsx`, `.cjs`, `.py`, etc.)
+- Focus on source code files (`.go`, `.js`, `.ts`, `.tsx`, `.cjs`, `.py`, `.cs`, etc.)
 - Exclude test files, lock files, and generated files
 
 ### 1.3 Determine Scope
@@ -95,6 +95,7 @@ Before simplifying, review the project's coding standards from relevant document
 - For Go projects: Check `AGENTS.md`, `DEVGUIDE.md`, or similar files
 - For JavaScript/TypeScript: Look for `CLAUDE.md`, style guides, or coding conventions
 - For Python: Check for style guides, PEP 8 adherence, or project-specific conventions
+- For .NET/C#: Check `.editorconfig`, `Directory.Build.props`, or coding conventions in docs
 
 **Key Standards to Apply:**
 
@@ -119,6 +120,14 @@ For **Python** projects:
 - Prefer explicit over implicit code
 - Use list/dict comprehensions where they improve clarity (not complexity)
 
+For **.NET/C#** projects:
+- Follow Microsoft C# coding conventions
+- Use `var` only when the type is obvious from the right side
+- Use file-scoped namespaces (`namespace X;`) where supported
+- Prefer pattern matching over type casting
+- Use `async`/`await` consistently, avoid `.Result` or `.Wait()`
+- Use nullable reference types and annotate nullability
+
 ### 2.2 Simplification Principles
 
 Apply these refinements to the recently modified code:
@@ -203,6 +212,9 @@ npm test
 
 # For Python projects
 pytest
+
+# For .NET projects
+dotnet test
 ```
 
 If tests fail:
@@ -224,6 +236,9 @@ npm run lint
 
 # For Python projects
 flake8 . || pylint .
+
+# For .NET projects
+dotnet format --verify-no-changes
 ```
 
 Fix any linting issues introduced by the simplifications.
@@ -242,6 +257,9 @@ npm run build
 # For Python projects
 # (typically no build step, but check imports)
 python -m py_compile changed_files.py
+
+# For .NET projects
+dotnet build
 ```
 
 ## Phase 4: Create Pull Request

.github/workflows/copilot-pr-merged-report.md

@@ -114,6 +114,7 @@ safeinputs-gh with args: "pr view <PR_NUMBER> --repo ${{ github.repository }} --
 From the files list, count how many are test files:
 - Go test files: `*_test.go`
 - JavaScript test files: `*.test.js`, `*.test.cjs`
+- .NET test files: `*Tests.cs`, `*Test.cs`
 - Count both added and modified test files
 
 **Step 2.3: Get Workflow Run Information**
@@ -226,6 +227,7 @@ Create a concise report with the following structure:
 - **Test File Types**:
   - Go tests (`*_test.go`): [count]
   - JavaScript tests (`*.test.js`): [count]
+  - .NET tests (`*Tests.cs`, `*Test.cs`): [count]
 
 ## Workflow Execution
 

.github/workflows/pr-triage-agent.md

@@ -95,9 +95,9 @@ Determine category based on file patterns and PR description:
 
 **File Pattern Rules:**
 - **docs**: Changes only to `.md`, `.txt`, `.rst` files in `docs/`, `README.md`, `CHANGELOG.md`
-- **test**: Changes only to `*_test.go`, `*_test.js`, `*.test.js` files
+- **test**: Changes only to `*_test.go`, `*_test.js`, `*.test.js`, `*Tests.cs`, `*Test.cs` files
 - **formatting**: Changes matching `.prettierrc`, `.editorconfig`, or whitespace-only diffs
-- **chore**: Changes to `Makefile`, `.github/workflows/*.yml`, `go.mod`, `package.json`, CI configs
+- **chore**: Changes to `Makefile`, `.github/workflows/*.yml`, `go.mod`, `package.json`, `*.csproj`, CI configs
 - **refactor**: Code changes with no new features or bug fixes (look for keywords: "refactor", "restructure", "reorganize")
 - **bug**: Keywords in title/description: "fix", "bug", "issue", "error", "crash"
 - **feature**: Keywords in title/description: "add", "implement", "new", "feature", "support"

.github/workflows/repo-audit-analyzer.md

@@ -119,7 +119,7 @@ tree -L 3 -d -I 'node_modules|.git|vendor' . || find . -type d -maxdepth 3 ! -pa
 ls -lh README* LICENSE* CONTRIBUTING* CODE_OF_CONDUCT* SECURITY* 2>/dev/null
 
 # Build and test files
-find . -maxdepth 2 -name "Makefile" -o -name "*.mk" -o -name "package.json" -o -name "go.mod" -o -name "requirements.txt" -o -name "Cargo.toml" -o -name "pom.xml" -o -name "build.gradle" -o -name ".fsproj" -o -name "*.sln"
+find . -maxdepth 2 -name "Makefile" -o -name "*.mk" -o -name "package.json" -o -name "go.mod" -o -name "requirements.txt" -o -name "Cargo.toml" -o -name "pom.xml" -o -name "build.gradle" -o -name "*.csproj" -o -name "*.fsproj" -o -name "*.sln" -o -name "*.slnx"
 
 # Documentation
 find . -type d -name "docs" -o -name "documentation" -o -name "wiki"

.github/workflows/repository-quality-improver.md

@@ -172,14 +172,14 @@ SRC_LOC=$(find . -type f -name "*.go" ! -name "*_test.go" ! -path "./.git/*" | x
 echo "Test ratio: $(echo "scale=2; $TEST_LOC / $SRC_LOC" | bc)"
 
 # Test file count
-find . -name "*_test.go" -o -name "*.test.js" | wc -l
+find . -type f \( -name "*_test.go" -o -name "*.test.js" -o -name "*Tests.cs" -o -name "*Test.cs" \) | wc -l
 ```
 
 ### Security Analysis
 
 ```bash
 # Check for common security issues
-grep -r "password\|secret\|api_key" --include="*.go" --include="*.js" . 2>/dev/null | grep -v "test" | wc -l
+grep -r "password\|secret\|api_key" --include="*.go" --include="*.js" --include="*.cs" . 2>/dev/null | grep -v "test" | wc -l
 
 # Dependency vulnerability check (conceptual)
 go list -m all | head -20

.github/workflows/shared/metrics-patterns.md

@@ -166,8 +166,8 @@ if [ -f /tmp/gh-aw/data/cloc_output.json ] && [ -s /tmp/gh-aw/data/cloc_output.j
     lines_of_code_total=$(jq '.SUM.code' /tmp/gh-aw/data/cloc_output.json)
 
     # Test LOC (find test files and measure)
-    # Scope: Files matching test patterns (*_test.go, *.test.js, *.test.cjs, test_*.py, *_test.py)
-    test_files=$(find . -name "*_test.go" -o -name "*.test.js" -o -name "*.test.cjs" -o -name "test_*.py" -o -name "*_test.py" 2>/dev/null)
+    # Scope: Files matching test patterns (*_test.go, *.test.js, *.test.cjs, test_*.py, *_test.py, *Tests.cs, *Test.cs)
+    test_files=$(find . -name "*_test.go" -o -name "*.test.js" -o -name "*.test.cjs" -o -name "test_*.py" -o -name "*_test.py" -o -name "*Tests.cs" -o -name "*Test.cs" 2>/dev/null)
 
     if [ -n "$test_files" ]; then
         echo "$test_files" | xargs cloc --json --quiet > /tmp/gh-aw/data/test_cloc.json