fix: add batch processing for large conversation files

claude-code-tracker/parser.py

@@ -6,14 +6,16 @@ from typing import Dict, List, Any, Optional
 logger = logging.getLogger(__name__)
 
 
-def parse_jsonl_file(file_path: str, start_line: int = 0) -> List[Dict[str, Any]]:
-    """Parse JSONL file from a specific line number"""
+def parse_jsonl_file(file_path: str, start_line: int = 0, end_line: int = None) -> List[Dict[str, Any]]:
+    """Parse JSONL file from a specific line number to end_line (or EOF if None)"""
     messages = []
     try:
         with open(file_path, 'r', encoding='utf-8') as f:
             for i, line in enumerate(f):
                 if i < start_line:
                     continue
+                if end_line is not None and i >= end_line:
+                    break
                 if not line.strip():
                     continue
                 try:
@@ -169,9 +171,9 @@ def calculate_conversation_stats(messages: List[Dict[str, Any]]) -> Dict[str, An
     return stats
 
 
-def parse_conversation_file(file_path: str, start_line: int = 0) -> Dict[str, Any]:
+def parse_conversation_file(file_path: str, start_line: int = 0, end_line: int = None) -> Dict[str, Any]:
     """Parse a conversation file and extract all data"""
-    raw_messages = parse_jsonl_file(file_path, start_line)
+    raw_messages = parse_jsonl_file(file_path, start_line, end_line)
 
     if not raw_messages:
         return None