Implement full E2E, integration, component, and unit tests, and resolve all leftover tmux-to-herdr issues in UI and core scripts

tests/test_sanity.py

@@ -0,0 +1,74 @@
+import subprocess
+import json
+import yaml
+
+def test_create_session_dry_run(mam_sandbox, mock_herdr, mock_agents):
+    """
+    Sanity test verifying that create_session.sh --dry-run parses inputs,
+    invokes herdr's preflight checks, and exits successfully without side effects.
+    """
+    tmp_path = mam_sandbox
+    script_path = tmp_path / "skills" / "multi-agent-mux-create" / "scripts" / "create_session.sh"
+    
+    cmd = [
+        "bash", str(script_path),
+        "--workspace", str(tmp_path),
+        "--agent", "claude",
+        "--role", "Creator",
+        "--dry-run"
+    ]
+    res = subprocess.run(cmd, capture_output=True, text=True)
+    assert res.returncode == 0, f"Stdout: {res.stdout}\nStderr: {res.stderr}"
+    assert "[dry-run] would provision isolation" in res.stdout
+    assert "[dry-run] would spawn" in res.stdout
+
+    # Verify that mock herdr was called for checking session existence (which gets translated to agent get)
+    with open(mock_herdr, 'r') as f:
+        state = json.load(f)
+    
+    calls = state.get("calls", [])
+    assert any("agent" in call and "get" in call for call in calls), f"Calls: {calls}"
+
+def test_create_session_full(mam_sandbox, mock_herdr, mock_agents):
+    """
+    Sanity test verifying that a full create_session.sh run intercepts herdr calls,
+    completes the TUI readiness check using mock responses, and serializes state
+    correctly to the sandboxed agent-sessions.yaml registry.
+    """
+    tmp_path = mam_sandbox
+    script_path = tmp_path / "skills" / "multi-agent-mux-create" / "scripts" / "create_session.sh"
+    
+    cmd = [
+        "bash", str(script_path),
+        "--workspace", str(tmp_path),
+        "--agent", "claude",
+        "--role", "Creator"
+    ]
+    res = subprocess.run(cmd, capture_output=True, text=True)
+    assert res.returncode == 0, f"Stdout: {res.stdout}\nStderr: {res.stderr}"
+    
+    # 1. Verify mock herdr state file registers the agent session
+    with open(mock_herdr, 'r') as f:
+        state = json.load(f)
+    
+    agents = state.get("agents", {})
+    assert len(agents) == 1, "There should be exactly one registered agent in the mock herdr state."
+    
+    session_name = list(agents.keys())[0]
+    assert session_name.endswith("-creator-claude")
+    assert agents[session_name]["status"] == "running"
+    assert agents[session_name]["agent"] == "claude"
+    
+    # 2. Verify that agent-sessions.yaml is successfully written
+    yaml_path = tmp_path / ".mam" / "agent-sessions.yaml"
+    assert yaml_path.exists(), "The agent-sessions.yaml configuration file was not created."
+    
+    with open(yaml_path, 'r') as f:
+        reg = yaml.safe_load(f)
+        
+    sessions = reg.get("herdr_sessions", [])
+    assert len(sessions) == 1
+    assert sessions[0]["name"] == session_name
+    assert sessions[0]["status"] == "running"
+    assert sessions[0]["role"] == "Creator"
+    assert sessions[0]["isolation"]["uuid"] is not None