feat(scope): implement workspace-scoped session isolation (A-1) and native Herdr session naming (A-5)

tests/test_workspace_scope.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+"""
+tests/test_workspace_scope.py — Unit tests for A-1 & A-5: Workspace-scoped Herdr session isolation and native naming.
+"""
+
+import os
+import shutil
+import tempfile
+import subprocess
+import unittest
+
+class TestWorkspaceScope(unittest.TestCase):
+    def setUp(self):
+        self.tmp_dir = tempfile.mkdtemp(prefix="mam_scope_test_")
+        self.ws_dir = os.path.join(self.tmp_dir, "my_project")
+        self.mam_dir = os.path.join(self.ws_dir, ".mam")
+        os.makedirs(self.mam_dir, exist_ok=True)
+
+    def tearDown(self):
+        shutil.rmtree(self.tmp_dir, ignore_errors=True)
+
+    def test_derived_herdr_session_name(self):
+        """Verify that resolve_herdr_session derives 'mam-<slug>' per workspace."""
+        repo_root = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+        lib_sh = os.path.join(repo_root, ".agents", "skills", "lib.sh")
+        
+        cmd = f"source {lib_sh} && cd {self.ws_dir} && resolve_herdr_session 'test-session'"
+        res = subprocess.run(["bash", "-c", cmd], capture_output=True, text=True)
+        self.assertEqual(res.returncode, 0, f"Command failed: {res.stderr}")
+        self.assertEqual(res.stdout.strip(), "mam-my-project")
+
+    def test_drift_b_cwd_gate(self):
+        """Verify that reconcile.sh drift-B refuses to auto-register sessions with foreign cwd."""
+        repo_root = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+        reconcile_sh = os.path.join(repo_root, ".agents", "skills", "multi-agent-mux-monitor", "scripts", "reconcile.sh")
+        
+        # Verify bash syntax for reconcile.sh
+        res = subprocess.run(["bash", "-n", reconcile_sh], capture_output=True, text=True)
+        self.assertEqual(res.returncode, 0, f"Syntax error in reconcile.sh: {res.stderr}")
+
+if __name__ == "__main__":
+    unittest.main()