fix: resolve CI/CD issues - Poetry setup, type annotations, MyPy errors

codechunk/core/summarizer.py

@@ -1,4 +1,4 @@
-from typing import Optional, List
+from typing import Optional
 from codechunk.core.chunking import ParsedChunk
 
 
@@ -62,8 +62,6 @@ class CodeSummarizer:
 
     def _summarize_method(self, chunk: ParsedChunk) -> str:
         """Summarize a method."""
-        class_name = chunk.name.split(".")[0] if "." in chunk.name else "Unknown"
-
         parts = []
         parts.append(f"Method: {chunk.name}")
 
@@ -115,18 +113,18 @@ class CodeSummarizer:
         """Summarize a generic chunk."""
         return f"{chunk.chunk_type.capitalize()}: {chunk.name} ({chunk.metadata.line_count} lines)"
 
-    def batch_summarize(self, chunks: List[ParsedChunk]) -> List[str]:
+    def batch_summarize(self, chunks: list[ParsedChunk]) -> list[str]:
         """Generate summaries for multiple chunks."""
         return [self.summarize(chunk) for chunk in chunks]
 
-    def generate_overview(self, chunks: List[ParsedChunk], project_name: str = "Project") -> str:
+    def generate_overview(self, chunks: list[ParsedChunk], project_name: str = "Project") -> str:
         """Generate an overview of the project structure."""
         lines = []
         lines.append(f"# {project_name} Overview")
         lines.append("")
 
-        type_counts = {}
-        lang_counts = {}
+        type_counts: dict[str, int] = {}
+        lang_counts: dict[str, int] = {}
 
         for chunk in chunks:
             type_counts[chunk.chunk_type] = type_counts.get(chunk.chunk_type, 0) + 1