Add mission customization, HQ support and aggression-driven AI

Integrate faction and random settings menus, generated objectives, scouts, convoys, air support, mortar stations and body-intel recovery. Add identified-body aggression, finite hunter UAZ deployment, dedicated objective defence and maximum AI skill with separate reduced aim accuracy. Include policy tests, native probes, evidence and documentation.

tests/test_external_addons.py

@@ -38,7 +38,7 @@ class ExternalAddonsTests(unittest.TestCase):
   value=copy.deepcopy(self.value);value['addons'][ext.DIRECT[0]]['dependencies'].append('5F16D7E4A1CBE075')
   (root/'docs/external-addons.json').write_text(json.dumps(value))
   with self.assertRaisesRegex(ValueError,'transitive'):ext.policy(root)
- def test_only_exact_six_are_exposed_and_hashed(self):
+ def test_only_exact_authorized_closure_is_exposed_and_hashed(self):
   unrelated=self.source/'original';unrelated.mkdir();(unrelated/'addon.gproj').write_text('GameProject { GUID "5F16D7E4A1CBE075" }')
   records=ext.prepare_profile(self.addons,self.source,self.value,self.cache)
   self.assertEqual(set(records),set(ext.ALLOWED))