From af803da5c800b555a413a4323399daaf83f5f75c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adri=C3=A0=20Arrufat?= <adria.arrufat@gmail.com>
Date: Wed, 11 Mar 2026 16:21:43 +0900
Subject: [PATCH] cdp.lp: use enum for getSemanticTree format param

Leverages std.json.parse to automatically validate the format param into a type-safe enum.
---
 src/cdp/domains/lp.zig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/cdp/domains/lp.zig b/src/cdp/domains/lp.zig
index 3cb876e8..2026b17d 100644
--- a/src/cdp/domains/lp.zig
+++ b/src/cdp/domains/lp.zig
@@ -44,7 +44,7 @@ pub fn processMessage(cmd: anytype) !void {
 
 fn getSemanticTree(cmd: anytype) !void {
     const Params = struct {
-        format: ?[]const u8 = null,
+        format: ?enum { text } = null,
         prune: ?bool = null,
     };
     const params = (try cmd.params(Params)) orelse Params{};
@@ -62,8 +62,8 @@ fn getSemanticTree(cmd: anytype) !void {
     };
 
     if (params.format) |format| {
-        if (std.mem.eql(u8, format, "text")) {
-            st.prune = params.prune orelse true; // text format defaults to pruned
+        if (format == .text) {
+            st.prune = params.prune orelse true;
             var aw: std.Io.Writer.Allocating = .init(cmd.arena);
             defer aw.deinit();
             try st.textStringify(&aw.writer);