Replace two-agent description with three-agent architecture
(planning, orchestration, execution). Document the orchestration
agent's role in monitoring progress, replanning, and passing
context between steps.
Document the new two-agent planning workflow, including how it works, when to use it, capabilities, visualization, and planning model configuration. Add planning mode section to both README.md and help copy.
Restructure system prompt to enforce mandatory complexity evaluation before action. Replace verbose multi-step planning framework with concise gate-based decision model. Add UI for execution plan visibility. Improve planning/execution separation by blocking execution tools during planning phase. Remove cancellation indicator component. Fix conversation deletion bug preventing saves after delete. Strengthen type safety for AIFunction names. Simplify function summary format for planning agent. Update test mocks for new callback signatures.
Replace hardcoded strings in AIAgentSettingTab with Copy enum constants for better maintainability and consistency. Add new Copy entries for settings labels, descriptions, placeholders, and tooltips. Update README with comprehensive documentation and fix textarea resize behavior.
