Read attached chat images with a vision model.

Image uploads were treated as unknown documents and never shown to the model. PNG, JPEG, WebP, and GIF now go to Ollama vision, and history returns the image bytes.

Co-authored-by: Cursor <cursoragent@cursor.com>

.env.example

@@ -16,6 +16,8 @@ OLLAMA_BASE_URL=http://127.0.0.1:11434
 # OLLAMA_MODEL=gpt-oss:20b
 # OLLAMA_MODEL_THINKING=gpt-oss:20b
 # OLLAMA_MODEL_FAST=gemma4:latest
+# Vision (image + prompt). Must be a vision-capable tag. Default gemma4:latest.
+# OLLAMA_MODEL_VISION=gemma4:latest
 # OLLAMA_MODEL_UTILITY=llama3.2
 # OLLAMA_EMBED_MODEL=nomic-embed-text
 # OLLAMA_NUM_CTX_THINKING=16384