feat(vision): add zero-config local OCR and external vision api fallback for image payloads

.gitignore

@@ -26,6 +26,35 @@ Thumbs.db
 logs/
 *.log
 
+# Environment
+# Binaries
+*.exe
+*.dll
+*.so
+*.dylib
+cursor2api
+
+# Go
+vendor/
+*.test
+
+# Node
+node_modules/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+logs/
+*.log
+
 # Environment
 .env
 .env.local
@@ -33,3 +62,4 @@ logs/
 # Build
 dist/
 build/
+*.traineddata