thrillwiki_django_no_react/memory-bank/features/version-control/implementation-sequence.md

Critical Implementation Revisions

Phase 1.1: Core Model Updates (2 Days)

1. Add lock fields to VersionBranch
2. Implement StateMachine base class
3. Extend HistoricalChangeMixin with structured diffs

Phase 2.1: Manager Classes (3 Days)

class LockManager(models.Manager):  
    def get_locked_branches(self):  
        return self.filter(lock_status__isnull=False)  

class StateMachine:  
    def __init__(self, workflow):  
        self.states = workflow['states']  
        self.transitions = workflow['transitions']  

Phase 3.1: Security Backports (1 Day)

• Add model clean() validation
• Implement permission check decorators