Fix Gotify notifications with correct API format

- Use /message endpoint with form data instead of JSON
- Update notification provider to use correct Gotify URL
- Fix priority levels for different notification types
- Test notifications should now work properly

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

webhook-build-trigger.yaml

@@ -34,14 +34,10 @@ data:
     echo "Creating build job: $JOB_NAME"
 
     # Send start notification
-    curl -s -X POST "https://notify.caffeinetux.com?token=APMvTuncQJmm6vd" \
-      -H "Content-Type: application/json" \
-      -d "{
-        \"title\": \"🔨 Neon Vortex Build Started\",
-        \"message\": \"Commit: ${GIT_SHORT} by ${GIT_AUTHOR}\\n${GIT_MSG}\",
-        \"priority\": 3,
-        \"tags\": [\"building\"]
-      }" || echo "Notification failed"
+    curl -s -X POST "https://notify.caffeinetux.com/message?token=APMvTuncQJmm6vd" \
+      -F "title=🔨 Neon Vortex Build Started" \
+      -F "message=Commit: ${GIT_SHORT} by ${GIT_AUTHOR} - ${GIT_MSG}" \
+      -F "priority=5" || echo "Notification failed"
 
     # Create the build job
     kubectl apply -f - <<EOF
@@ -119,14 +115,10 @@ data:
               sleep 10
 
               # Send completion notification
-              curl -s -X POST "https://notify.caffeinetux.com?token=APMvTuncQJmm6vd" \
-                -H "Content-Type: application/json" \
-                -d "{
-                  \"title\": \"✅ Neon Vortex Build Complete\",
-                  \"message\": \"Image built successfully for commit ${GIT_SHORT}\\nDeployment will update automatically\",
-                  \"priority\": 3,
-                  \"tags\": [\"success\",\"deployed\"]
-                }"
+              curl -s -X POST "https://notify.caffeinetux.com/message?token=APMvTuncQJmm6vd" \
+                -F "title=✅ Neon Vortex Build Complete" \
+                -F "message=Image built successfully for commit ${GIT_SHORT}. Deployment will update automatically." \
+                -F "priority=5"
 
               echo "Completion notification sent"
             env:
@@ -147,14 +139,10 @@ data:
       echo "✅ Build job $JOB_NAME created successfully"
     else
       echo "❌ Failed to create build job"
-      curl -s -X POST "https://notify.caffeinetux.com?token=APMvTuncQJmm6vd" \
-        -H "Content-Type: application/json" \
-        -d "{
-          \"title\": \"❌ Neon Vortex Build Failed\",
-          \"message\": \"Failed to create build job for commit ${GIT_SHORT}\",
-          \"priority\": 5,
-          \"tags\": [\"error\"]
-        }"
+      curl -s -X POST "https://notify.caffeinetux.com/message?token=APMvTuncQJmm6vd" \
+        -F "title=❌ Neon Vortex Build Failed" \
+        -F "message=Failed to create build job for commit ${GIT_SHORT}" \
+        -F "priority=8"
       exit 1
     fi
 ---