feat: add support for images

internal/tui/styles/icons.go

@@ -3,11 +3,12 @@ package styles
 const (
 	OpenCodeIcon string = "ⓒ"
 
-	ErrorIcon   string = "ⓧ"
-	WarningIcon string = "ⓦ"
-	InfoIcon    string = "ⓘ"
-	HintIcon    string = "ⓗ"
-	SpinnerIcon string = "⟳"
+	ErrorIcon    string = "ⓧ"
+	WarningIcon  string = "ⓦ"
+	InfoIcon     string = "ⓘ"
+	HintIcon     string = "ⓗ"
+	SpinnerIcon  string = "⟳"
+	DocumentIcon string = "🖼"
 )
 
 // CircledDigit returns the Unicode circled digit/number for 0‑20.

internal/tui/styles/styles.go

@@ -5,6 +5,10 @@ import (
 	"github.com/opencode-ai/opencode/internal/tui/theme"
 )
 
+var (
+	ImageBakcground = "#212121"
+)
+
 // Style generation functions that use the current theme
 
 // BaseStyle returns the base style with background and foreground colors