feat(view): add --pager flag to pipe output through $PAGER

docs/commands/view.rst

@@ -3,11 +3,15 @@ nnote view
 
 .. code-block:: text
 
-   nnote view <title> [-d <dir>]
+   nnote view <title> [-d <dir>] [--pager]
 
 Print the contents of a note to stdout.
 
+Use ``--pager`` to pipe the output through a pager (``$PAGER``, falling back
+to ``less``). Useful for long notes.
+
 .. code-block:: bash
 
    nnote view todo
    nnote view standup -d work
+   nnote view meeting-notes --pager

nnote/commands/view.py

@@ -13,12 +13,22 @@
     help="Subdirectory within notes dir",
     shell_complete=complete_directories,
 )
-def view(title, directory):
+@click.option(
+    "--pager",
+    is_flag=True,
+    default=False,
+    help="Pipe output through $PAGER (defaults to less)",
+)
+def view(title, directory, pager):
     """Print the contents of a note."""
     config = Config.load()
     note_path = resolve_note_path(config, title, directory)
 
     if not note_path.exists():
         raise click.ClickException(f"Note not found: {note_path}")
 
-    click.echo(note_path.read_text(encoding="utf-8"), nl=False)
+    content = note_path.read_text(encoding="utf-8")
+    if pager:
+        click.echo_via_pager(content)
+    else:
+        click.echo(content, nl=False)