Phase 3: AgentLauncher Integration with Gemini CLI

[mrlarson2007]

Phase 3: AgentLauncher Integration with Gemini CLI

Modify AgentLauncher to configure and manage gemini-cli processes instead of custom approaches.

Parent Issue: #17
Depends On: #19

Key Tasks

• Modify AgentLauncher to use gemini-cli instead of custom API clients
• Generate appropriate ~/.gemini/settings.json configurations
• Add agent persona initialization prompts
• Implement plugin and extension management
• Add gemini-cli installation and setup automation
• Test single-agent coordination with full hook integration

Acceptance Criteria

• AgentLauncher successfully spawns and configures gemini-cli processes
• settings.json generation works for different agent personas
• Plugin hooks are properly configured and functional
• Single agent can coordinate through full integration stack

References: ADR-0004