feat: add edit button for ICS subscriptions (#100)

Adds a pencil-icon edit button to each ICS subscription row. Clicking it
opens a modal to update name, color, and shared visibility via PATCH
/calendar/subscriptions/:id. Adds updatedToast i18n key to all 15 locales.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

public/locales/ar.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "خاص",
         "shared": "مشترك"
-      }
+      },
+      "updatedToast": "تم تحديث الاشتراك."
     },
     "memberPhoneLabel": "رقم الهاتف (اختياري)",
     "memberEmailLabel": "البريد الإلكتروني (اختياري)",

public/locales/de.json

@@ -757,7 +757,8 @@
       "empty": "Noch keine Abonnements.",
       "addedToast": "Abonnement hinzugefügt.",
       "syncedToast": "Abonnement synchronisiert.",
-      "deletedToast": "Abonnement gelöscht."
+      "deletedToast": "Abonnement gelöscht.",
+      "updatedToast": "Abonnement aktualisiert."
     },
     "memberPhoneLabel": "Telefonnummer (optional)",
     "memberEmailLabel": "E-Mail (optional)",

public/locales/el.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "Ιδιωτικό",
         "shared": "Κοινόχρηστο"
-      }
+      },
+      "updatedToast": "Η συνδρομή ενημερώθηκε."
     },
     "memberPhoneLabel": "Αριθμός τηλεφώνου (προαιρετικό)",
     "memberEmailLabel": "Email (προαιρετικό)",

public/locales/en.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "Private",
         "shared": "Shared"
-      }
+      },
+      "updatedToast": "Subscription updated."
     },
     "memberPhoneLabel": "Phone number (optional)",
     "memberEmailLabel": "Email (optional)",

public/locales/es.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "Privado",
         "shared": "Compartido"
-      }
+      },
+      "updatedToast": "Suscripción actualizada."
     },
     "memberPhoneLabel": "Número de teléfono (opcional)",
     "memberEmailLabel": "Correo electrónico (opcional)",

public/locales/fr.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "Privé",
         "shared": "Partagé"
-      }
+      },
+      "updatedToast": "Abonnement mis à jour."
     },
     "memberPhoneLabel": "Numéro de téléphone (facultatif)",
     "memberEmailLabel": "E-mail (facultatif)",

public/locales/hi.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "निजी",
         "shared": "साझा"
-      }
+      },
+      "updatedToast": "सदस्यता अपडेट की गई।"
     },
     "memberPhoneLabel": "फ़ोन नंबर (वैकल्पिक)",
     "memberEmailLabel": "ईमेल (वैकल्पिक)",

public/locales/it.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "Privato",
         "shared": "Condiviso"
-      }
+      },
+      "updatedToast": "Abbonamento aggiornato."
     },
     "memberPhoneLabel": "Numero di telefono (opzionale)",
     "memberEmailLabel": "E-mail (opzionale)",

public/locales/ja.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "プライベート",
         "shared": "共有"
-      }
+      },
+      "updatedToast": "サブスクリプションが更新されました。"
     },
     "memberPhoneLabel": "電話番号（任意）",
     "memberEmailLabel": "メールアドレス（任意）",

public/locales/pt.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "Privado",
         "shared": "Partilhado"
-      }
+      },
+      "updatedToast": "Subscrição atualizada."
     },
     "memberPhoneLabel": "Telefone (opcional)",
     "memberEmailLabel": "E-mail (opcional)",

public/locales/ru.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "Личное",
         "shared": "Общее"
-      }
+      },
+      "updatedToast": "Подписка обновлена."
     },
     "memberPhoneLabel": "Номер телефона (необязательно)",
     "memberEmailLabel": "Электронная почта (необязательно)",

public/locales/sv.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "Privat",
         "shared": "Delad"
-      }
+      },
+      "updatedToast": "Prenumeration uppdaterad."
     },
     "memberPhoneLabel": "Telefonnummer (valfritt)",
     "memberEmailLabel": "E-post (valfritt)",

public/locales/tr.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "Özel",
         "shared": "Paylaşımlı"
-      }
+      },
+      "updatedToast": "Abonelik güncellendi."
     },
     "memberPhoneLabel": "Telefon numarası (isteğe bağlı)",
     "memberEmailLabel": "E-posta (isteğe bağlı)",

public/locales/uk.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "Приватне",
         "shared": "Спільне"
-      }
+      },
+      "updatedToast": "Підписку оновлено."
     },
     "memberPhoneLabel": "Номер телефону (необов'язково)",
     "memberEmailLabel": "Електронна пошта (необов'язково)",

public/locales/zh.json

@@ -732,7 +732,8 @@
       "badges": {
         "private": "私人",
         "shared": "共享"
-      }
+      },
+      "updatedToast": "订阅已更新。"
     },
     "memberPhoneLabel": "电话号码（可选）",
     "memberEmailLabel": "电子邮件（可选）",

public/pages/settings.js

@@ -1644,6 +1644,19 @@ function renderIcsList(container, subs, user) {
       syncBtn.appendChild(syncIcon);
       actions.appendChild(syncBtn);
 
+      const editBtn = document.createElement('button');
+      editBtn.className = 'btn btn--icon btn--ghost';
+      editBtn.title = t('settings.ics.actions.edit');
+      editBtn.setAttribute('aria-label', t('settings.ics.actions.edit'));
+      editBtn.dataset.action = 'ics-edit';
+      editBtn.dataset.id = sub.id;
+      const editIcon = document.createElement('i');
+      editIcon.setAttribute('data-lucide', 'pencil');
+      editIcon.style.cssText = 'width:14px;height:14px';
+      editIcon.setAttribute('aria-hidden', 'true');
+      editBtn.appendChild(editIcon);
+      actions.appendChild(editBtn);
+
       const delBtn = document.createElement('button');
       delBtn.className = 'btn btn--icon btn--danger-outline';
       delBtn.title = t('settings.ics.actions.delete');
@@ -1756,6 +1769,52 @@ function bindIcsEvents(container, user, initialSubs) {
         }
       }
 
+      if (action === 'ics-edit') {
+        const sub = subs.find((s) => s.id === id);
+        if (!sub) return;
+        openModal({
+          title: t('settings.ics.actions.edit'),
+          size: 'sm',
+          content: `
+            <form id="ics-edit-form" class="settings-form">
+              <div class="form-group">
+                <label class="form-label" for="ics-edit-name">${t('settings.ics.form.name')}</label>
+                <input class="form-input" type="text" id="ics-edit-name" value="${esc(sub.name)}" required maxlength="100" />
+              </div>
+              <div class="settings-name-color-row">
+                <div class="form-group settings-color-field">
+                  <label class="form-label" for="ics-edit-color">${t('settings.ics.form.color')}</label>
+                  <input class="settings-color-button" type="color" id="ics-edit-color" value="${esc(sub.color || '#3b82f6')}" />
+                </div>
+                <div class="form-group" style="display:flex;align-items:center;gap:var(--space-2);padding-top:var(--space-5)">
+                  <input type="checkbox" id="ics-edit-shared" ${sub.shared ? 'checked' : ''} />
+                  <label class="form-label" for="ics-edit-shared" style="margin:0">${t('settings.ics.form.shared')}</label>
+                </div>
+              </div>
+              <p id="ics-edit-error" class="form-error" hidden></p>
+            </form>
+          `,
+          onSave: async (modalEl, close) => {
+            const name   = modalEl.querySelector('#ics-edit-name').value.trim();
+            const color  = modalEl.querySelector('#ics-edit-color').value;
+            const shared = modalEl.querySelector('#ics-edit-shared').checked ? 1 : 0;
+            const errEl  = modalEl.querySelector('#ics-edit-error');
+            errEl.hidden = true;
+            try {
+              const res = await api.patch(`/calendar/subscriptions/${id}`, { name, color, shared });
+              const idx = subs.findIndex((s) => s.id === id);
+              if (idx >= 0) subs[idx] = res.data;
+              renderIcsList(container, subs, user);
+              window.oikos?.showToast(t('settings.ics.updatedToast'), 'success');
+              close();
+            } catch (err) {
+              errEl.textContent = err.message ?? t('common.errorGeneric');
+              errEl.hidden = false;
+            }
+          },
+        });
+      }
+
       if (action === 'ics-delete') {
         const name = target.dataset.name;
         if (!await confirmModal(t('settings.ics.confirm_delete'), { danger: true, confirmLabel: t('common.delete') })) return;