From 287be0ae7684221f068e73d1d1d8139f3e0bc04b Mon Sep 17 00:00:00 2001
From: Ayush Gupta <kathilshiva@gmail.com>
Date: Fri, 5 Jun 2026 21:35:42 +0530
Subject: [PATCH 1/2] fix: resolve 500 errors on home and project pages

- Initialize global cache variables in data_loader.py
- Fix duplicate project IDs in projects.json
- Replace Django escapejs with Jinja tojson filter in project.html
---
 data/projects.json     | 4 ++--
 templates/project.html | 2 +-
 utils/data_loader.py   | 3 +++
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/data/projects.json b/data/projects.json
index e92836c6..ae369120 100644
--- a/data/projects.json
+++ b/data/projects.json
@@ -312,7 +312,7 @@
     "starter_code": "starter_code/password_checker.py"
   },
   {
-    "id": 9,
+    "id": 30,
     "title": "Feedback Survey Form",
     "skills": ["HTML"],
     "level": "Beginner",
@@ -338,7 +338,7 @@
     "starter_code": "starter_code/survey_form/index.html"
   },
   {
-    "id": 10,
+    "id": 31,
     "title": "API ETL Pipeline",
     "skills": ["Python", "pandas", "requests"],
     "level": "Intermediate",
diff --git a/templates/project.html b/templates/project.html
index 5a07ac1e..3acf1521 100644
--- a/templates/project.html
+++ b/templates/project.html
@@ -476,7 +476,7 @@ <h3 class="sidebar-card-title">
   <!-- Pass project metadata to the JavaScript without hardcoding -->
   <script>
     var PROJECT_ID = parseInt("{{ project.id }}", 10);
-    var PROJECT_TITLE = "{{ project.title | escapejs }}";
+    var PROJECT_TITLE = {{ project.title | tojson }};
   </script>
   <script src="/static/script.js"></script>
 </body>
diff --git a/utils/data_loader.py b/utils/data_loader.py
index 9d70f6d6..7065dd0d 100644
--- a/utils/data_loader.py
+++ b/utils/data_loader.py
@@ -4,6 +4,9 @@
 
 DATA_FILE = os.path.join(os.path.dirname(__file__), "..", "data", "projects.json")
 
+_projects_cache = None
+_cache_lock = threading.Lock()
+
 def validate_projects(projects):
     """
     Validate project dataset integrity.

From 0510e65ee98659000d6c85918ba2b097906c5f79 Mon Sep 17 00:00:00 2001
From: Ayush Gupta <kathilshiva@gmail.com>
Date: Sat, 6 Jun 2026 13:32:00 +0530
Subject: [PATCH 2/2] fix: resolve dark mode theme resetting on page reload
 (#746)

---
 static/script.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/static/script.js b/static/script.js
index 28dbbeb8..044a135a 100644
--- a/static/script.js
+++ b/static/script.js
@@ -19,7 +19,12 @@
   }
 
   function initTheme() {
-    var theme = html.getAttribute("data-theme") || "light";
+    var theme = "light";
+    try {
+      theme = localStorage.getItem("theme") || html.getAttribute("data-theme") || "light";
+    } catch (err) {
+      theme = html.getAttribute("data-theme") || "light";
+    }
     applyTheme(theme);
     requestAnimationFrame(function () {
       html.classList.add("theme-ready");