refactor: remove hardcoded api keys and paths to make core analyzers generic

scripts/backlog-analysis/loop_analyzer.sh

@@ -2,6 +2,12 @@
 # Run from the project root or the scripts/backlog-analysis directory
 # This script assumes it's running in the same directory as the python scripts
 
+if [ -z "$GEMINI_API_KEY" ]; then
+  echo "Error: GEMINI_API_KEY environment variable is required."
+  echo "Usage: GEMINI_API_KEY=your_key ./loop_analyzer.sh"
+  exit 1
+fi
+
 while true; do
   count=$(jq '[.[] | select(.analysis == "Failed to analyze autonomously" or .analysis == null or .analysis == "" or (.analysis | length) < 30)] | length' data/bugs.json)
   if [ "$count" -eq 0 ]; then
@@ -9,6 +15,6 @@ while true; do
     break
   fi
   echo "Remaining bugs: $count"
-  python3 single_turn_bug_analyzer.py
+  python3 single_turn_bug_analyzer.py --api-key "$GEMINI_API_KEY"
 done
 python3 generate_bugs_csv.py