diff --git a/.github/workflows/csv_linter.yml b/.github/workflows/csv_linter.yml
index f07553d..df217ad 100644
--- a/.github/workflows/csv_linter.yml
+++ b/.github/workflows/csv_linter.yml
@@ -9,31 +9,69 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
+    
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.8
+        python-version: '3.8'
+    
     - name: Install dependencies
       run: |
+        python -m pip install --upgrade pip
         python -m pip install csvkit
-
-    - name: Lint CSV files
-      run: find . -name "*.csv" -exec csvclean -n -u 2 {} +
-      env:
-        CI: true
-    - name: Check for errors
-      if: always()
+    
+    - name: Validate CSV structure
       run: |
-        if ! grep -q "No errors." <(find . -name "*.csv" -exec csvclean -n -u 2 {} + | grep -v "^$"); then
-          echo "Errors were found in one or more CSV files."
+        echo "Checking CSV structure..."
+        if ! csvclean -n prompts.csv 2>&1 | tee /tmp/csv_errors.log; then
+          echo "::error::CSV validation failed"
+          cat /tmp/csv_errors.log
           exit 1
         fi
+    
+    - name: Check CSV format
+      run: |
+        echo "Checking CSV format..."
+        if ! python -c '
+        import csv
+        with open("prompts.csv", "r", encoding="utf-8") as f:
+            reader = csv.reader(f)
+            headers = next(reader)
+            if headers != ["act", "prompt"]:
+                print("Error: CSV headers must be exactly [act, prompt]")
+                exit(1)
+            for row_num, row in enumerate(reader, 2):
+                if len(row) != 2:
+                    print(f"Error: Row {row_num} has {len(row)} columns, expected 2")
+                    exit(1)
+                if not row[0] or not row[1]:
+                    print(f"Error: Row {row_num} has empty values")
+                    exit(1)
+        '; then
+          echo "::error::CSV format check failed"
+          exit 1
+        fi
+    
     - name: Check Trailing Whitespaces
       run: |
-        # Check if the special file contains any trailing whitespaces
-        if grep -q "[[:space:]]$" ./prompts.csv; then
-          echo "ERROR: Found trailing whitespaces in prompts.csv"
+        echo "Checking for trailing whitespaces..."
+        if grep -q "[[:space:]]$" prompts.csv; then
+          echo "::error::Found trailing whitespaces in prompts.csv"
+          grep -n "[[:space:]]$" prompts.csv | while read -r line; do
+            echo "Line with trailing whitespace: $line"
+          done
+          exit 1
+        fi
+        echo "No trailing whitespaces found"
+    
+    - name: Check for UTF-8 BOM and line endings
+      run: |
+        echo "Checking for UTF-8 BOM and line endings..."
+        if file prompts.csv | grep -q "with BOM"; then
+          echo "::error::File contains UTF-8 BOM marker"
+          exit 1
+        fi
+        if file prompts.csv | grep -q "CRLF"; then
+          echo "::error::File contains Windows-style (CRLF) line endings"
           exit 1
-        else
-          echo "No trailing whitespaces found in prompts.csv"
         fi
\ No newline at end of file