chore: remove deepclaude mode

The new models are strong enough now, so no need of deepclaude mode
anymore.

feat: add oauth providers google/claude/chatgpt/antigravitiy

feat: add keyboard shortcut to focus chat input box

Adds ctrl+k i (cmd+k i on Mac) command to quickly focus the chat input field for improved navigation workflow.

chore: bump depdencies

feat: bump version to v4.10.1

doc: update README for claude code provider

feat: add claude code provider

chore: fix conversation exporting and check MCP server starting

chore: bump version to 4.9.5

chore: modernize the chat interface