v0.9.1 : le poste distant est integre a ajean (fini le binaire ajean-remote separe)

- nouvelle sous-commande `ajean remote install|connect|run|status|uninstall|logout`
  (reutilise internal/nodeclient), remplace le binaire cmd/ajean-remote supprime
- le service (Windows/systemd/launchd) lance desormais `ajean remote run`
- UI Postes distants : commande affichee `ajean remote install ...`
- CI release : retrait du cross-build des 6 binaires ajean-remote

cmd/ajean/versioninfo.json

@@ -3,13 +3,13 @@
     "FileVersion": {
       "Major": 0,
       "Minor": 9,
-      "Patch": 0,
+      "Patch": 1,
       "Build": 0
     },
     "ProductVersion": {
       "Major": 0,
       "Minor": 9,
-      "Patch": 0,
+      "Patch": 1,
       "Build": 0
     },
     "FileFlagsMask": "3f",
@@ -25,7 +25,7 @@
     "LegalCopyright": "Copyright (c) 2026 AJEAN contributors. MIT License.",
     "OriginalFilename": "ajean.exe",
     "ProductName": "AJEAN",
-    "ProductVersion": "0.9.0",
+    "ProductVersion": "0.9.1",
     "Comments": "https://github.com/nathaninline/ajean — projet open source (MIT)"
   },
   "VarFileInfo": {