Add model name format validation #68
Description
Type: Security
Priority: P2 (Low severity - defense in depth)
Effort: 15 minutes
Phase: 3
Description:
Model names should follow expected format to prevent injection or confusion.
Acceptance Criteria:
- Validate model name format:
^[a-z0-9\-]+/[a-z0-9\-\.]+$ - Max length 100 characters
- Reject suspicious characters
- Tests for valid model names (pass) and invalid model names (fail)
Implementation: Add validator to model name fields in config
Related Issues: Part of security hardening with #64, #65, #66, #67
Branch: feature/issue-64-68-security-hardening