Add event-driven reporting and durable failure recovery hooks

tests/test_hook_cli.py

@@ -0,0 +1,22 @@
+from pathlib import Path
+import sys
+import tempfile
+from types import SimpleNamespace
+import unittest
+from unittest.mock import patch
+sys.path.insert(0,str(Path(__file__).resolve().parents[1]/'scripts'))
+import hooks
+
+
+class HookCliTests(unittest.TestCase):
+    def test_first_success_does_not_emit_nonexistent_recovery(self):
+        with tempfile.TemporaryDirectory() as root:
+            config=Path(root)/'private.json';config.write_text('{}')
+            args=['hooks.py','--config',str(config),'--source','check','--event-id','first','--summary','check','--','program']
+            c=SimpleNamespace(call=lambda *args:None)
+            with patch.object(sys,'argv',args),patch.object(hooks,'Client',return_value=c),patch.object(c,'call') as call,patch.object(hooks.subprocess,'run',return_value=SimpleNamespace(returncode=0)):
+                self.assertEqual(hooks.main(),0)
+                call.assert_not_called()
+
+
+if __name__=='__main__':unittest.main()