chore(release): v0.5.0

- Mail improvements: numeric index, hook alias, --body alias, bulk delete, parallel queries
- New aliases: gt bd, gt work, --comment, read
- OpenCode agent preset, config-based role system
- Deacon status line display, hook registry
- Squash merge in refinery
- Crew session stability fixes
- Many bug fixes

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

internal/cmd/version.go

@@ -12,7 +12,7 @@ import (
 
 // Version information - set at build time via ldflags
 var (
-	Version = "0.4.0"
+	Version = "0.5.0"
 	// Build can be set via ldflags at compile time
 	Build = "dev"
 	// Commit and Branch - the git revision the binary was built from (optional ldflag)