feat: Implement DataFrame API endpoints and core backend services

.kiro/specs/dataframe-web-interface/tasks.md

@@ -1,32 +1,32 @@
 # Implementation Plan
 
-- [ ] 1. Create DataFrame API endpoints and core backend services
+- [x] 1. Create DataFrame API endpoints and core backend services
   - Implement RESTful API endpoints for DataFrame management operations
   - Create business logic layer for data validation and processing
   - Set up error handling and response formatting
   - _Requirements: 1.1, 1.2, 1.3, 1.4, 5.1, 5.2, 5.3, 7.1, 7.2, 7.4_
 
-- [ ] 1.1 Implement DataFrame API module structure
+- [x] 1.1 Implement DataFrame API module structure
   - Create `server/api/dataframes.py` with all endpoint function stubs
   - Add DataFrame routes to `server/api/__init__.py`
   - Create request/response models and validation schemas
   - _Requirements: 1.1, 5.1_
 
-- [ ] 1.2 Implement DataFrame listing and metadata endpoints
+- [x] 1.2 Implement DataFrame listing and metadata endpoints
   - Code GET `/api/dataframes` endpoint to list all stored DataFrames
   - Code GET `/api/dataframes/{df_id}` endpoint for individual DataFrame details
   - Code GET `/api/dataframes/stats` endpoint for storage statistics
   - Implement pagination and filtering logic for DataFrame lists
   - _Requirements: 1.1, 1.2, 1.3, 7.1, 7.2_
 
-- [ ] 1.3 Implement DataFrame data retrieval endpoints
+- [x] 1.3 Implement DataFrame data retrieval endpoints
   - Code GET `/api/dataframes/{df_id}/data` endpoint with pagination support
   - Code GET `/api/dataframes/{df_id}/summary` endpoint for DataFrame summaries
   - Implement data serialization and formatting for web display
   - Add support for column filtering and row limiting
   - _Requirements: 2.1, 2.2, 2.3, 2.4, 2.5_
 
-- [ ] 1.4 Implement DataFrame operation execution endpoints
+- [x] 1.4 Implement DataFrame operation execution endpoints
   - Code POST `/api/dataframes/{df_id}/execute` endpoint for pandas expressions
   - Implement expression validation and sanitization
   - Add execution time tracking and result formatting

server/api/__init__.py

@@ -52,6 +52,20 @@
 
 from .visualizations import visualization_api
 
+from .dataframes import (
+    api_list_dataframes,
+    api_get_dataframe_detail,
+    api_get_storage_stats,
+    api_get_dataframe_data,
+    api_get_dataframe_summary,
+    api_execute_dataframe_operation,
+    api_delete_dataframe,
+    api_cleanup_expired_dataframes,
+    api_upload_dataframe,
+    api_load_dataframe_from_url,
+    api_export_dataframe,
+)
+
 # Aggregate all routes into a single list
 api_routes = [
     # Knowledge management endpoints
@@ -98,4 +112,17 @@
     Route("/api/visualizations/execution-timeline", endpoint=visualization_api.get_execution_timeline, methods=["GET"]),
     Route("/api/visualizations/critical-path", endpoint=visualization_api.get_critical_path, methods=["GET"]),
     Route("/api/visualizations/status-overview", endpoint=visualization_api.get_status_overview, methods=["GET"]),
+
+    # DataFrame management endpoints - specific routes first, then generic ones
+    Route("/api/dataframes", endpoint=api_list_dataframes, methods=["GET"]),
+    Route("/api/dataframes/stats", endpoint=api_get_storage_stats, methods=["GET"]),
+    Route("/api/dataframes/cleanup", endpoint=api_cleanup_expired_dataframes, methods=["POST"]),
+    Route("/api/dataframes/upload", endpoint=api_upload_dataframe, methods=["POST"]),
+    Route("/api/dataframes/load-url", endpoint=api_load_dataframe_from_url, methods=["POST"]),
+    Route("/api/dataframes/{df_id}", endpoint=api_get_dataframe_detail, methods=["GET"]),
+    Route("/api/dataframes/{df_id}", endpoint=api_delete_dataframe, methods=["DELETE"]),
+    Route("/api/dataframes/{df_id}/data", endpoint=api_get_dataframe_data, methods=["GET"]),
+    Route("/api/dataframes/{df_id}/summary", endpoint=api_get_dataframe_summary, methods=["GET"]),
+    Route("/api/dataframes/{df_id}/execute", endpoint=api_execute_dataframe_operation, methods=["POST"]),
+    Route("/api/dataframes/{df_id}/export", endpoint=api_export_dataframe, methods=["POST"]),
 ]