fix(tui): implement dynamic text-wrapping in observation detail view

internal/tui/view.go

@@ -320,8 +320,15 @@ func (m Model) viewObservationDetail() string {
 	b.WriteString(sectionHeadingStyle.Render("  Content"))
 	b.WriteString("\n")
 
-	// Split content into lines and apply scroll
-	contentLines := strings.Split(obs.Content, "\n")
+	// Wrap content based on terminal width
+	wrapWidth := m.Width - 6 // basic padding
+	if wrapWidth < 20 {
+		wrapWidth = 20
+	}
+	wrappedContent := detailContentStyle.Width(wrapWidth).Render(obs.Content)
+
+	// Split wrapped content into lines
+	contentLines := strings.Split(wrappedContent, "\n")
 	maxLines := m.Height - 16
 	if maxLines < 5 {
 		maxLines = 5
@@ -342,7 +349,7 @@ func (m Model) viewObservationDetail() string {
 	}
 
 	for i := m.DetailScroll; i < end; i++ {
-		b.WriteString(detailContentStyle.Render(contentLines[i]))
+		b.WriteString(contentLines[i])
 		b.WriteString("\n")
 	}
 

internal/tui/wrap_test.go

@@ -0,0 +1,45 @@
+package tui
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/Gentleman-Programming/engram/internal/store"
+)
+
+func TestViewObservationDetailWrapping(t *testing.T) {
+	m := Model{
+		Width:  40,
+		Height: 20,
+		Screen: ScreenObservationDetail,
+		SelectedObservation: &store.Observation{
+			ID:      1,
+			Type:    "note",
+			Title:   "Test",
+			Content: "This is a very long line of text that should definitely be wrapped when the width is only forty characters wide.",
+		},
+	}
+
+	view := m.viewObservationDetail()
+
+	// The line "This is a very long line of text that should definitely be wrapped when the width is only forty characters wide."
+	// is much longer than 40 chars. With wrapWidth = Width - 6 = 34, it should split.
+
+	lines := strings.Split(view, "\n")
+	contentStarted := false
+	contentLines := 0
+
+	for _, line := range lines {
+		if strings.Contains(line, "Content") {
+			contentStarted = true
+			continue
+		}
+		if contentStarted && strings.TrimSpace(line) != "" && !strings.Contains(line, "scroll") {
+			contentLines++
+		}
+	}
+
+	if contentLines <= 1 {
+		t.Errorf("Expected content to be wrapped into multiple lines, but got %d content lines", contentLines)
+	}
+}