- resolve_model_provider: fix regression where OpenRouter model IDs like
openai/gpt-5.4-mini had their prefix stripped, causing AIAgent to look
for OPENAI_API_KEY (direct API) instead of routing through OpenRouter.
All chats returned Connection lost for OpenRouter users. Fix: only strip
prefix and use direct-API when config.provider explicitly matches that
provider; pass full provider/model string through for openrouter.
- Project name: cap at 128 chars, reject empty after strip on create/rename
- Project color: validate ^#[0-9a-fA-F]{3,8}$ to prevent CSS injection
via dot.style.background in sessions.js
- Remove 2 redundant sys.path.insert() calls in cron handlers
Tests: 214 passed, 23 pre-existing failures, 0 regressions.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>