v1.0.1

Fixes

• Fixed API base URL (api.fundz.net/v1/watch instead of /api/v1/watch)
• Fixed __version__ mismatch (was 1.0.0, now 1.0.1)
• Dynamic User-Agent header uses package version
• Added buying_stages parameter to CrewAI and LangChain tools
• Added industries and locations to LangChain EventsInput (parity with CrewAI)
• Fixed Optional type hints in exceptions
• Added content-type check on 400 response handler
• Added MIT LICENSE file
• Added PyPI/Python/License badges to README