3ceba38ac8
API: new testGeminiConnection adminProcedure
- Generates a simple test image via Gemini API
- Returns { ok, model } on success, { ok: false, error } on failure
- Audit logged: "Gemini test succeeded/failed"
UI: "Test Gemini" button next to "Save Image Settings"
- Only visible when Gemini provider is selected
- Shows green success or red error result below the buttons
- Displays the model name on success
Model: gemini-2.0-flash-preview-image-generation (correct name)
Co-Authored-By: claude-flow <ruv@ruv.net>