Implement portfolio admin management

messages/en.json

@@ -40,7 +40,9 @@
   "portfolioPage": {
     "title": "Portfolio",
     "intro": "Selected projects with a focus on clarity and outcomes.",
-    "open": "Open project"
+    "open": "Open project",
+    "all": "All categories",
+    "empty": "No published projects are available for this filter yet."
   },
   "productsPage": {
     "title": "Products",
@@ -80,12 +82,10 @@
   },
   "portfolioDetail": {
     "back": "Back to portfolio",
-    "challenge": "Challenge",
-    "solution": "Solution",
-    "outcome": "Outcome",
-    "challengeText": "The project needed clearer information architecture and faster performance.",
-    "solutionText": "I built design, components, and content in a modular system.",
-    "outcomeText": "Content ships faster and users reach goals more quickly."
+    "preview": "Open preview",
+    "openLink": "Open link",
+    "gallery": "Project gallery",
+    "download": "Open document"
   },
   "productDetail": {
     "back": "Back to products",