feat: add command classifier

src/command-classifier.js

@@ -0,0 +1,30 @@
+export function classifyCommand(commandText, exitCode = 0) {
+  const text = String(commandText).toLowerCase();
+  const ok = exitCode === 0;
+
+  if (text.includes('git commit')) return ok ? 'commit_created' : 'command_failure';
+  if (text.includes('git merge')) return ok ? 'merge_completed' : 'command_failure';
+  if (text.includes('git push')) return ok ? 'push_attempted' : 'command_failure';
+  if (text.includes('test')) return ok ? 'tests_passed' : 'tests_failed';
+  if (text.includes('build')) return ok ? 'build_passed' : 'build_failed';
+  if (text.includes('lint')) return ok ? 'lint_passed' : 'lint_failed';
+
+  return ok ? 'command_success' : 'command_failure';
+}
+
+export function recommendedCompanionForEvent(eventType, fallbackId) {
+  const mapping = {
+    tests_passed: 'zapbit',
+    tests_failed: 'nullwisp',
+    build_passed: 'zapbit',
+    build_failed: 'nullwisp',
+    lint_passed: 'zapbit',
+    lint_failed: 'nullwisp',
+    commit_created: 'mergedrake',
+    merge_completed: 'mergedrake',
+    push_attempted: 'mergedrake',
+    command_failure: 'nullwisp'
+  };
+
+  return mapping[eventType] || fallbackId || 'zapbit';
+}