Merge develop into main

[waleedkadous]

Summary

• Codev framework: Added project management framework with protocols (SPIR, tick, bugfix, experiment, maintain), role definitions, resource docs, and templates
• WhatsApp migration: Refactored WhatsApp integration from presenter-based to router-based architecture with API key verification
• Tool result fixes: Fixed bare string returns from format_as_ref_list, added is_error flag for tool errors, consolidated tool results per Anthropic API spec
• Circular import fix: Extracted shared dependencies to resolve circular imports, added missing __init__.py to routers
• AnsariClaude model update: Updated to Sonnet 4.5
• Ruff formatting: Linting and formatting cleanup across analysis scripts and tests
• Typo fix: Corrected typo in batik-v1-en.csv
• FastAPI docs: Added async performance and sync/async endpoint documentation

Test plan

• Verify existing tests pass
• Verify WhatsApp router endpoints work correctly
• Verify tool result formatting in Claude responses