refactor: Update bd pour/wisp → bd mol pour/wisp

Beads CLI restructured: pour and wisp are now subcommands of mol.
- bd pour → bd mol pour
- bd wisp → bd mol wisp

Updated all documentation, templates, and code to use new command structure.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

internal/templates/roles/witness.md.tmpl

@@ -99,7 +99,7 @@ gt mail inbox
 gt mol attach-from-mail <mail-id>
 
 # Step 4: Still nothing? Create patrol wisp
-bd wisp mol-witness-patrol --assignee={{ .RigName }}/witness
+bd mol wisp mol-witness-patrol --assignee={{ .RigName }}/witness
 ```
 
 **Hook → Execute. No exceptions.**