BIG pi update with claude chat

pi/.pi/agent/extensions/pi-ask-tool/README.md

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+# Pi Ask Tool Extension
+
+This extension bridges Claude Code's ask functionality into pi's TUI, allowing users to ask questions and receive answers directly in the TUI interface.
+
+## Features
+
+- Seamless integration with pi's TUI
+- Support for all Claude agents (plan_review, code_review, debug, oracle)
+- Multi-turn conversations with session management
+- Context-aware responses based on codebase exploration
+
+## Usage
+
+1. Run the CLI agent: `pi-ask-tool`
+2. Type your question in the TUI
+3. Receive answers directly in the TUI interface
+4. Continue the conversation or start new ones
+
+## Configuration
+
+Default agent: `code_review`
+Default model: `sonnet`
+Session persistence: Enabled