Move test-runner temp directory into project

- Change temp directory from /tmp/test-runner-claude to .test-runner-temp
- Keeps temporary files within project bounds for Claude Code access
- Add .test-runner-temp to .gitignore to exclude from version control
- Fixes Claude AI validation permission issue

.gitignore

@@ -14,3 +14,4 @@ __debug_bin*
 llama/build
 llama/vendor
 /ollama
+.test-runner-temp

cmd/test-runner/validate.go

@@ -32,8 +32,13 @@ func NewValidator(config Validation, logMonitor *LogMonitor, verbose bool) *Vali
 		}
 	}
 
-	// Create temp directory for Claude analysis files
-	tempDir := filepath.Join(os.TempDir(), "test-runner-claude")
+	// Create temp directory for Claude analysis files within the project
+	// Use current working directory to stay within project bounds
+	cwd, err := os.Getwd()
+	if err != nil {
+		cwd = "."
+	}
+	tempDir := filepath.Join(cwd, ".test-runner-temp")
 	os.MkdirAll(tempDir, 0755)
 
 	return &Validator{