fix: truncate picker labels so long paths don't wrap and scroll the query field off-screen

@@ -183,6 +183,38 @@ 	}
 	return m.width*6/10 - 2 // minus border
 }
 
+// listColWidth is the width available to the match list: the full terminal when
+// the preview pane is hidden, else the leftover column beside it (matching the
+// width used to render listCol in View).
+func (m *Model) listColWidth() int {
+	if m.previewWidth() <= 0 {
+		return m.width
+	}
+	w := m.width - m.previewWidth() - 3
+	if w < 1 {
+		w = 1
+	}
+	return w
+}
+
+// truncateTail shortens s to at most max runes, keeping the tail (the filename
+// end is the useful part of a long path) behind a leading ellipsis. Labels must
+// fit one row: a wrapped label inflates the list past the viewport and scrolls
+// the query field off the top.
+func truncateTail(s string, max int) string {
+	if max <= 0 {
+		return ""
+	}
+	r := []rune(s)
+	if len(r) <= max {
+		return s
+	}
+	if max == 1 {
+		return "…"
+	}
+	return "…" + string(r[len(r)-(max-1):])
+}
+
 // renderPreview loads the highlighted file into the preview viewport.
 func (m *Model) renderPreview() {
 	if m.previewWidth() <= 0 {
@@ -230,8 +262,9 @@ 	rows := m.height - 2
 	if rows < 1 {
 		rows = 1
 	}
+	labelW := m.listColWidth() - 2 // leave room for the "▸ "/"  " prefix
 	for i := 0; i < len(m.matches) && i < rows; i++ {
-		label := m.label(m.matches[i])
+		label := truncateTail(m.label(m.matches[i]), labelW)
 		if i == m.sel {
 			b.WriteString(pointer.Render("▸ "))
 			b.WriteString(selStyle.Render(label))

@@ -0,0 +1,69 @@
+package picker
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"glint/internal/theme"
+
+	"github.com/charmbracelet/lipgloss"
+)
+
+// Long vault-relative paths must not wrap in the list column: a wrapped label
+// inflates the rendered height past the viewport and scrolls the query field
+// (top line) off-screen. Every rendered line must fit the terminal width.
+func TestListLabelsDoNotWrapOrOverflow(t *testing.T) {
+	root := t.TempDir()
+	names := []string{
+		"short.md",
+		"ARCHER/Meetings/2026-06-18 ARCHER ABE Team Meeting Review.md",
+		"Claude/Issues/humdrum/task-003 - Schedule-b2-backup.sh-and-b2-backup-ssd.sh-as-daily-launchd-jobs.md",
+		"ARCHER/Working Files/Active-Member (we have a membership field).md",
+	}
+	// Plus enough files to overfill the viewport — the real-world trigger is a
+	// vault of hundreds of notes, where a single wrapped label pushes the query
+	// field off the top.
+	for i := 0; i < 80; i++ {
+		names = append(names, filepath.Join("ARCHER/Meetings",
+			"2026-06-18 ARCHER ABE Team Meeting Review long filler "+strings.Repeat("x", 30)+".md"))
+	}
+	for i, n := range names {
+		// de-dup the filler names so they are distinct files
+		if i >= 4 {
+			n = strings.Replace(n, "filler ", "filler"+string(rune('a'+i%26))+" ", 1)
+		}
+		p := filepath.Join(root, n)
+		if err := os.MkdirAll(filepath.Dir(p), 0o755); err != nil {
+			t.Fatal(err)
+		}
+		if err := os.WriteFile(p, []byte("# x\n"), 0o644); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	for _, dims := range [][2]int{{120, 30}, {80, 24}, {50, 20}} {
+		m, err := New(root, theme.FlexokiDark(), "", "dark")
+		if err != nil {
+			t.Fatal(err)
+		}
+		m.SetSize(dims[0], dims[1]-1) // app gives the picker height-1
+
+		out := m.View()
+		lines := strings.Split(out, "\n")
+
+		if !strings.Contains(lines[0], "note") {
+			t.Errorf("dims=%v: query field not on the first line; got %q", dims, lines[0])
+		}
+		for i, ln := range lines {
+			if w := lipgloss.Width(ln); w > dims[0] {
+				t.Errorf("dims=%v: line %d width %d exceeds terminal width %d (will wrap): %q",
+					dims, i, w, dims[0], ln)
+			}
+		}
+		if len(lines) > dims[1] {
+			t.Errorf("dims=%v: picker view has %d lines, exceeds terminal height %d", dims, len(lines), dims[1])
+		}
+	}
+}