docs: Update taskmaster.mdc and dev_workflow.mdc with missing CLI flags and enhanced workflow guidance

- Add missing --tag flags to commands that were implemented but not documented
- Add missing --file flags to tag management commands
- Add --bedrock flag to models command documentation
- Synchronize CLI documentation with actual implementation in commands.js
- Enhance dev_workflow.mdc with comprehensive tagged task lists guidance
- Add patterns for when to introduce tags (git branching, team collaboration, experiments)
- Consolidate and refine changesets for upcoming release

.changeset/late-dryers-relax.md

@@ -9,3 +9,4 @@ Key features:
 - analyze-complexity --tag=branch: Generate tag-specific complexity reports  
 - All task operations can target specific contexts while preserving other lists
 - Non-existent tags are created automatically for seamless workflow
+