Changed from empty accessorID bypassing checks to explicit SystemAccessorID
for better security and audit trail.
Before: accessorID == "" → bypass all checks (security risk)
After: accessorID == "system-internal" → bypass (explicit, auditable)
Changes:
- Added SystemAccessorID constant = "system-internal"
- Updated SystemContext to use SystemAccessorID
- Updated checkAccess() to check for specific ID
- Updated accessorIDFromContext() to return SystemAccessorID
- Updated all EntryList calls to use SystemAccessorID
- Updated auth.go helpers to use SystemAccessorID
Benefits:
- Explicit backdoor ID visible in audit logs
- No accidental bypass from empty strings
- Clear intent for system operations
- Can't collide with real hex dossier IDs (uses "system" prefix)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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