Summary

• Implement session-only image context for the BLXCode Agent via drag/drop and paste
• Add visible Agent-panel drop-zone feedback, image context rows, and a preview dialog with close/remove/use-again actions
• Send pending images once through OpenAI/OpenRouter and Anthropic multimodal payloads, then mark them read via ImageContextConsumed
• Add image context client tools, provider sanitizers to keep base64 out of conversation history, native file validation, and focused tests
• Move Agent Chat reset into the Chat log header as an icon-only tooltip control
• Mark the saved .agents/plans/agent-image-context.md plan as implemented and update the Unreleased changelog

Validation

• cargo check
• cargo check -p blxcode
• cargo test -p blxcode
• env -u NO_COLOR ~/.cargo/bin/trunk build
• git diff --check