fix(app-server): fix optional bool annotations (#24099)

`#[serde(default)]` wasn't sufficient for our generated TS types to
reflect that clients didn't have to set them. We also need
`skip_serializing_if = "std::ops::Not::not"`. This is already a rule in
our agents.md file.

codex-rs/app-server-protocol/src/protocol/v2/feedback.rs

@@ -14,6 +14,7 @@ pub struct FeedbackUploadParams {
     pub reason: Option<String>,
     #[ts(optional = nullable)]
     pub thread_id: Option<String>,
+    #[serde(default, skip_serializing_if = "std::ops::Not::not")]
     pub include_logs: bool,
     #[ts(optional = nullable)]
     pub extra_log_files: Option<Vec<PathBuf>>,