Add caching for GitHub stats when API calls fail

Co-authored-by: Lackadaisical-Security <205846242+Lackadaisical-Security@users.noreply.github.com>

Author: Copilot

REALTIME_STATS.json

@@ -1,13 +1,13 @@
 {
-  "timestamp": "2026-01-05T14:32:59.155485Z",
+  "timestamp": "2026-01-05T14:36:19.877520Z",
   "local": {
-    "commit_count": 3,
+    "commit_count": 4,
     "unique_contributors": 2,
-    "last_commit_date": "2026-01-05 14:30:26 +0000",
-    "last_commit_message": "Initial plan",
+    "last_commit_date": "2026-01-05 14:33:19 +0000",
+    "last_commit_message": "Improve GitHub API error handling and update auth format",
     "current_branch": "copilot/fix-real-time-stats-api",
     "tracked_files": 63,
-    "timestamp": "2026-01-05T14:32:59.166468Z"
+    "timestamp": "2026-01-05T14:36:19.888287Z"
   },
   "github": {}
 }

REALTIME_STATS.md

@@ -1,6 +1,6 @@
 # Repository Statistics - Real-Time
 
-**Last Updated:** 2026-01-05T14:32:59.155485Z
+**Last Updated:** 2026-01-05T14:36:19.877520Z
 
 ## 📊 Current Statistics
 
@@ -9,11 +9,11 @@
 | Metric | Value |
 |--------|-------|
 | 🌿 Current Branch | `copilot/fix-real-time-stats-api` |
-| 📝 Total Commits | 3 |
+| 📝 Total Commits | 4 |
 | 👥 Contributors | 2 |
 | 📄 Tracked Files | 63 |
-| 🕐 Last Commit | 2026-01-05 14:30:26 |
-| 💬 Last Message | Initial plan |
+| 🕐 Last Commit | 2026-01-05 14:33:19 |
+| 💬 Last Message | Improve GitHub API error handling and update auth format |
 
 ---
 
@@ -22,7 +22,7 @@
 Add these to your README.md:
 
 ```markdown
-<img src="https://img.shields.io/badge/commits-3-orange?style=flat-square">
+<img src="https://img.shields.io/badge/commits-4-orange?style=flat-square">
 ```
 
 ---

STATS_HISTORY.json

@@ -141,5 +141,18 @@
       "timestamp": "2026-01-05T14:32:59.166468Z"
     },
     "github": {}
+  },
+  {
+    "timestamp": "2026-01-05T14:36:19.877520Z",
+    "local": {
+      "commit_count": 4,
+      "unique_contributors": 2,
+      "last_commit_date": "2026-01-05 14:33:19 +0000",
+      "last_commit_message": "Improve GitHub API error handling and update auth format",
+      "current_branch": "copilot/fix-real-time-stats-api",
+      "tracked_files": 63,
+      "timestamp": "2026-01-05T14:36:19.888287Z"
+    },
+    "github": {}
   }
 ]

realtime_stats_tracker.py

@@ -174,12 +174,28 @@ def collect_stats(self):
         """Collect all statistics"""
         print("🔍 Collecting repository statistics...\n")
 
+        # Try to load previous stats for fallback
+        previous_github_stats = {}
+        if self.stats_file.exists():
+            try:
+                with open(self.stats_file, 'r') as f:
+                    previous_data = json.load(f)
+                    previous_github_stats = previous_data.get('github', {})
+            except:
+                pass
+        
         stats = {
             "timestamp": datetime.now(UTC).strftime('%Y-%m-%dT%H:%M:%S.%fZ'),
             "local": self.get_local_git_stats(),
             "github": self.get_github_stats()
         }
 
+        # If GitHub stats are empty but we have previous stats, preserve them
+        if not stats["github"] and previous_github_stats:
+            print("ℹ️  Using cached GitHub stats from previous successful fetch")
+            stats["github"] = previous_github_stats
+            stats["github_cached"] = True
+        
         return stats
 
     def save_stats(self, stats):
@@ -249,6 +265,8 @@ def display_stats(self, stats):
         # GitHub stats
         if stats.get("github"):
             print("\n🌐 GITHUB STATISTICS:")
+            if stats.get("github_cached"):
+                print("   ℹ️  (Using cached data from previous successful fetch)")
             print("-" * 80)
             gh = stats["github"]
             print(f"  ⭐ Stars:          {gh.get('stars', 'N/A')}")
@@ -274,7 +292,12 @@ def generate_stats_markdown(self, stats):
         md = f"""# Repository Statistics - Real-Time
 
 **Last Updated:** {stats['timestamp']}
-
+"""
+        
+        if stats.get("github_cached"):
+            md += "\n> ℹ️ **Note:** GitHub metrics below are cached from previous successful fetch (current API call failed)\n"
+        
+        md += """
 ## 📊 Current Statistics
 
 """