Add inline editing for licenses and copy license key button

- Add inline editing for status, expiry date, and domain fields
- Add copy-to-clipboard button for license keys
- Add AJAX handlers for inline editing with nonce verification
- Update LicenseManager with updateLicenseExpiry method
- Add new translations for inline editing strings (de_CH)
- Compile updated German translations to .mo file

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

languages/wc-licensed-product.pot

@@ -2,7 +2,7 @@
 # This file is distributed under the GPL-2.0-or-later.
 msgid ""
 msgstr ""
-"Project-Id-Version: WC Licensed Product 0.0.8\n"
+"Project-Id-Version: WC Licensed Product 0.0.10\n"
 "Report-Msgid-Bugs-To: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/issues\n"
 "POT-Creation-Date: 2026-01-21T00:00:00+00:00\n"
 "MIME-Version: 1.0\n"
@@ -865,3 +865,77 @@ msgstr ""
 
 msgid "Customer"
 msgstr ""
+
+#. Admin - Inline Editing
+msgid "Searching..."
+msgstr ""
+
+msgid "No results found"
+msgstr ""
+
+msgid "Saving..."
+msgstr ""
+
+msgid "Saved"
+msgstr ""
+
+msgid "Save failed"
+msgstr ""
+
+msgid "Are you sure you want to revoke this license? This action cannot be undone."
+msgstr ""
+
+msgid "Edit"
+msgstr ""
+
+msgid "Save"
+msgstr ""
+
+msgid "Status updated successfully."
+msgstr ""
+
+msgid "Expiry date updated successfully."
+msgstr ""
+
+msgid "License set to lifetime."
+msgstr ""
+
+msgid "Domain updated successfully."
+msgstr ""
+
+msgid "Invalid license ID."
+msgstr ""
+
+msgid "Invalid status."
+msgstr ""
+
+msgid "Invalid date format."
+msgstr ""
+
+msgid "Domain cannot be empty."
+msgstr ""
+
+msgid "Failed to update status."
+msgstr ""
+
+msgid "Failed to update expiry date."
+msgstr ""
+
+msgid "Failed to update domain."
+msgstr ""
+
+msgid "Failed to revoke license."
+msgstr ""
+
+msgid "Leave empty for lifetime"
+msgstr ""
+
+#. Admin - Order License Management
+msgid "Saved!"
+msgstr ""
+
+msgid "Error saving. Please try again."
+msgstr ""
+
+msgid "Failed to update license domain."
+msgstr ""