v0.4.0 - Major architecture improvements

What's Changed

• Replace janitor LLM with direct tool-based pruning
• Add AWS Bedrock Converse API support
• Add showUpdateToasts config option to disable update notifications
• Consolidate format handlers with FormatDescriptor pattern
• Fix tool ID case handling
• Fix session state leakage and exclude protected tools from counts
• Improve nudge logic to track tools since last prune
• Restore onIdle LLM analysis

Full Changelog: v0.3.31...v0.4.0