feat(client): save files under a name every platform can write

A node serves the name its disk gave a file; the client now makes it
portable at save time (single file, zip entries, zip name) and says so
on the transfer row. Same rule as paths.sanitize_for_download, held by a
parity test.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

10 files changed, 40 insertions, 0 deletions

diff --git a/packages/meshbay-hub/src/meshbay_hub/static/locales/de.js b/packages/meshbay-hub/src/meshbay_hub/static/locales/de.js
index b84da2b..a83f44b 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/locales/de.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/locales/de.js
@@ -1218,4 +1218,8 @@ export default {
   'admin.reports_review_threshold': "Mitglieder bis zur Prüfung",
   'admin.reports_auto_block': "Ohne Prüfung sperren (1 = ja, 0 = nein)",
   'admin.reports_save': "Meldeeinstellungen speichern",
+
+  // Names made writable everywhere when saved (portable-name.js)
+  'transfers.renamed': "Umbenannt: „{name}“ ist nicht auf jedem System ein gültiger Name",
+  'transfers.renamed_n': "Namen geändert, damit sie auf jedem System gültig sind: {n}",
 };
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/locales/en.js b/packages/meshbay-hub/src/meshbay_hub/static/locales/en.js
index 7cbd830..46c5094 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/locales/en.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/locales/en.js
@@ -1199,4 +1199,8 @@ export default {
   'admin.reports_review_threshold': "Members before review",
   'admin.reports_auto_block': "Block without review (1 = yes, 0 = no)",
   'admin.reports_save': "Save report settings",
+
+  // Names made writable everywhere when saved (portable-name.js)
+  'transfers.renamed': "Renamed: “{name}” is not a valid name on every system",
+  'transfers.renamed_n': "Names changed to be valid on every system: {n}",
 };
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/locales/es.js b/packages/meshbay-hub/src/meshbay_hub/static/locales/es.js
index 081b1f2..0d0e865 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/locales/es.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/locales/es.js
@@ -1212,4 +1212,8 @@ export default {
   'admin.reports_review_threshold': "Miembros antes de la revisión",
   'admin.reports_auto_block': "Bloquear sin revisión (1 = sí, 0 = no)",
   'admin.reports_save': "Guardar ajustes de denuncias",
+
+  // Names made writable everywhere when saved (portable-name.js)
+  'transfers.renamed': "Renombrado: «{name}» no es un nombre válido en todos los sistemas",
+  'transfers.renamed_n': "Nombres cambiados para ser válidos en todos los sistemas: {n}",
 };
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/locales/fr.js b/packages/meshbay-hub/src/meshbay_hub/static/locales/fr.js
index 04218d6..3c86cd7 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/locales/fr.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/locales/fr.js
@@ -1227,4 +1227,8 @@ export default {
   'admin.reports_review_threshold': "Membres avant examen",
   'admin.reports_auto_block': "Bloquer sans examen (1 = oui, 0 = non)",
   'admin.reports_save': "Enregistrer les réglages de signalement",
+
+  // Names made writable everywhere when saved (portable-name.js)
+  'transfers.renamed': "Renommé : « {name} » n’est pas un nom valide sur tous les systèmes",
+  'transfers.renamed_n': "Noms modifiés pour être valides sur tous les systèmes : {n}",
 };
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/locales/it.js b/packages/meshbay-hub/src/meshbay_hub/static/locales/it.js
index 857bbc2..3a74b4d 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/locales/it.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/locales/it.js
@@ -1226,4 +1226,8 @@ export default {
   'admin.reports_review_threshold': "Membri prima dell’esame",
   'admin.reports_auto_block': "Blocca senza esame (1 = sì, 0 = no)",
   'admin.reports_save': "Salva impostazioni segnalazioni",
+
+  // Names made writable everywhere when saved (portable-name.js)
+  'transfers.renamed': "Rinominato: «{name}» non è un nome valido su tutti i sistemi",
+  'transfers.renamed_n': "Nomi modificati per essere validi su tutti i sistemi: {n}",
 };
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/locales/ja.js b/packages/meshbay-hub/src/meshbay_hub/static/locales/ja.js
index 2d9830b..e0c38de 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/locales/ja.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/locales/ja.js
@@ -1210,4 +1210,8 @@ export default {
   'admin.reports_review_threshold': "確認までのメンバー数",
   'admin.reports_auto_block': "確認せずにブロック（1 = はい、0 = いいえ）",
   'admin.reports_save': "報告の設定を保存",
+
+  // Names made writable everywhere when saved (portable-name.js)
+  'transfers.renamed': "名前を変更しました：「{name}」はすべてのシステムで有効な名前ではありません",
+  'transfers.renamed_n': "すべてのシステムで有効になるよう変更した名前：{n}",
 };
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/locales/nl.js b/packages/meshbay-hub/src/meshbay_hub/static/locales/nl.js
index 8635995..83b9eed 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/locales/nl.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/locales/nl.js
@@ -1228,4 +1228,8 @@ export default {
   'admin.reports_review_threshold': "Leden vóór beoordeling",
   'admin.reports_auto_block': "Blokkeren zonder beoordeling (1 = ja, 0 = nee)",
   'admin.reports_save': "Meldingsinstellingen opslaan",
+
+  // Names made writable everywhere when saved (portable-name.js)
+  'transfers.renamed': "Hernoemd: ‘{name}’ is niet op elk systeem een geldige naam",
+  'transfers.renamed_n': "Namen aangepast zodat ze op elk systeem geldig zijn: {n}",
 };
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/locales/pl.js b/packages/meshbay-hub/src/meshbay_hub/static/locales/pl.js
index f988e5e..3edba2d 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/locales/pl.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/locales/pl.js
@@ -1254,4 +1254,8 @@ export default {
   'admin.reports_review_threshold': "Członkowie przed oceną",
   'admin.reports_auto_block': "Blokuj bez oceny (1 = tak, 0 = nie)",
   'admin.reports_save': "Zapisz ustawienia zgłoszeń",
+
+  // Names made writable everywhere when saved (portable-name.js)
+  'transfers.renamed': "Zmieniono nazwę: „{name}” nie jest prawidłową nazwą w każdym systemie",
+  'transfers.renamed_n': "Nazwy zmienione, by były prawidłowe w każdym systemie: {n}",
 };
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/locales/pt-BR.js b/packages/meshbay-hub/src/meshbay_hub/static/locales/pt-BR.js
index d761dd3..3f44570 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/locales/pt-BR.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/locales/pt-BR.js
@@ -1213,4 +1213,8 @@ export default {
   'admin.reports_review_threshold': "Membros antes da análise",
   'admin.reports_auto_block': "Bloquear sem análise (1 = sim, 0 = não)",
   'admin.reports_save': "Salvar configurações de denúncias",
+
+  // Names made writable everywhere when saved (portable-name.js)
+  'transfers.renamed': "Renomeado: “{name}” não é um nome válido em todos os sistemas",
+  'transfers.renamed_n': "Nomes alterados para serem válidos em todos os sistemas: {n}",
 };
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/locales/zh-CN.js b/packages/meshbay-hub/src/meshbay_hub/static/locales/zh-CN.js
index 0d9afab..1168460 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/locales/zh-CN.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/locales/zh-CN.js
@@ -1199,4 +1199,8 @@ export default {
   'admin.reports_review_threshold': "进入审核所需人数",
   'admin.reports_auto_block': "无需审核直接屏蔽（1 = 是，0 = 否）",
   'admin.reports_save': "保存举报设置",
+
+  // Names made writable everywhere when saved (portable-name.js)
+  'transfers.renamed': "已重命名：“{name}”并非在所有系统上都是有效的名称",
+  'transfers.renamed_n': "为在所有系统上有效而修改的名称：{n}",
 };