v3.29.0: the batch kinds (delete / reinstall) + the delete-package pre-step

The batch plan is a list of named steps ({name, apdu, delete}) now and
_ram_install_run generalized into _ram_plan_run; POST /api/ram-batch/start
dispatches on kind:
- install-cap (default; delete_package prepends a cascade DELETE on the
  package AID - a leftover package blocks INSTALL [for load]),
- reinstall-app (_ram_reinstall_plan: DELETE the applet instance + INSTALL
  [for install] from the loaded package - no .cap, no LOAD),
- delete (_ram_delete_plan: one GP DELETE, aid + target app/package ->
  P2=00/P2=80).

A delete step tolerates 'not found' (6A88/6A82 - the object is already
gone, the goal is met); any other delete failure stops the chain with the
delete's reason.  The policy serves all three kinds and the single
/api/ram-install-app, which now deletes the instance first (make
selectable stays one step); /api/ram-install takes delete_package too.

The status/summary carry the run's kind (the panel labels follow:
installed/deleted/reinstalled) and each attempt carries the last three
steps (steps + steps_total) for the panel's per-step detail.  The PWA's
three batch entries are grouped at the end of the operation selector (an
optgroup); ramIsBatchOp() is the one source for "per-card batch".

Docs: help EN/RU, api.md, the repo AGENTS.  Tests: the plan builders per
kind, the validations, the delete-package prepend, the not-found
tolerance, the kind dispatch/status/notice, the steps tail, the endpoint
steps, the PWA wiring.  925 frontend + 943 Python; sw cache simple-v447.

tests/test_fetch_routes.py

@@ -1095,7 +1095,7 @@ class PresetStoreHttpTests(unittest.TestCase):
         captured = []
 
         def fake_step(server, scc, sp, state, name, apdu, silent=False):
-            captured.append((sp['spi1'], sp['tar']))
+            captured.append((name, sp['spi1'], sp['tar']))
             state['steps'].append({'name': name, 'por_status': 'por_ok', 'por_sw': '9000'})
             return True
 
@@ -1122,7 +1122,12 @@ class PresetStoreHttpTests(unittest.TestCase):
         finally:
             for patch in reversed(patches):
                 patch.stop()
-        self.assertEqual(captured, [('1A', '000000'), ('1A', '000000')])
+        # the install deletes the instance first (v3.29.0), then installs;
+        # make selectable stays a single step - all at the TAR's MSL
+        self.assertEqual(captured, [
+            ('DELETE (application)', '1A', '000000'),
+            ('INSTALL [for install]', '1A', '000000'),
+            ('INSTALL [for make selectable]', '1A', '000000')])
 
     def test_an_install_app_without_an_msl_is_refused_before_the_card(self):
         # no preset and no spi1: the resolution must refuse with the hint