v0.6.4

• chore: Add prd-tasks.json to .ralph/.gitignore template
• docs: Fix chat-architecture.md to match current codebase
• docs: Fix RALPH-SETUP-TEMPLATE.md to match current codebase
• docs: Fix MACOS-DEVELOPMENT.md to use correct /action command
• docs: Fix run-state-machine.md to match actual run.ts control flow
• docs: Fix FAQ.md to match current codebase
• docs: Fix PRD-GENERATOR.md and HOW-TO-WRITE-PRDs.md to match current codebase
• docs: Fix CHAT-CLIENTS.md and CHAT-RESPONDERS.md to match current codebase
• docs: Fix BRANCHING.md to match current codebase
• docs: Fix DEVELOPMENT.md to match current codebase
• docs: Fix SKILLS.md to match current codebase
• docs: Fix SECURITY.md to match current codebase
• docs: Fix DOCKER.md to match current codebase
• docs: Fix README.md to match current codebase
• feat: Add Ollama as CLI provider with Docker build model pull support
• feat: Add cli.model config field for default LLM model selection
• fix: Display correct version in Docker container banner
• fix: Preserve YAML format when recovering corrupted PRD files