fix: tolerate string app_id in GHES app config deserialization (#10923)

* fix: tolerate string app_id in GHES app config deserialization

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018Rh73nHumzCbyd4Gwf6kw6

* fix: address review — strict app_id validation, drop dead variant

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018Rh73nHumzCbyd4Gwf6kw6

* chore: update ee-repo-ref to b52c6471d517d979a9887f207a36347b1af376c8

This commit updates the EE repository reference after PR #767 was merged in windmill-ee-private.

Previous ee-repo-ref: ab2dc653719f9d65eb10964d1e2b5bc1b94d6535

New ee-repo-ref: b52c6471d517d979a9887f207a36347b1af376c8

Automated by sync-ee-ref workflow.

---------

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
Co-authored-by: windmill-internal-app[bot] <windmill-internal-app[bot]@users.noreply.github.com>

backend/ee-repo-ref.txt

@@ -1 +1 @@
-6efe7a73c745c2e1377a34498523c00d89010a3d
+b52c6471d517d979a9887f207a36347b1af376c8

backend/windmill-types/src/more_serde.rs

@@ -38,6 +38,25 @@ pub fn is_default<T: Default + std::cmp::PartialEq>(t: &T) -> bool {
     &T::default() == t
 }
 
+pub fn maybe_number<'de, T, D>(deserializer: D) -> Result<T, D::Error>
+where
+    D: Deserializer<'de>,
+    T: FromStr + serde::Deserialize<'de>,
+    <T as FromStr>::Err: Display,
+{
+    #[derive(Deserialize)]
+    #[serde(untagged)]
+    enum NumericOrString<T> {
+        String(String),
+        RawT(T),
+    }
+
+    match NumericOrString::<T>::deserialize(deserializer)? {
+        NumericOrString::String(s) => T::from_str(&s).map_err(serde::de::Error::custom),
+        NumericOrString::RawT(i) => Ok(i),
+    }
+}
+
 pub fn maybe_number_opt<'de, T, D>(deserializer: D) -> Result<Option<T>, D::Error>
 where
     D: Deserializer<'de>,
@@ -85,3 +104,41 @@ where
 {
     serde::Deserialize::deserialize(deserializer).map(Some)
 }
+
+#[cfg(test)]
+mod tests {
+    use serde::Deserialize;
+
+    #[derive(Deserialize)]
+    struct WithMaybeNumber {
+        #[serde(deserialize_with = "super::maybe_number")]
+        n: i64,
+    }
+
+    #[test]
+    fn maybe_number_accepts_number() {
+        let v: WithMaybeNumber = serde_json::from_value(serde_json::json!({ "n": 12345 })).unwrap();
+        assert_eq!(v.n, 12345);
+    }
+
+    #[test]
+    fn maybe_number_accepts_string() {
+        let v: WithMaybeNumber =
+            serde_json::from_value(serde_json::json!({ "n": "12345" })).unwrap();
+        assert_eq!(v.n, 12345);
+    }
+
+    #[test]
+    fn maybe_number_rejects_non_numeric_string() {
+        assert!(
+            serde_json::from_value::<WithMaybeNumber>(serde_json::json!({ "n": "abc" })).is_err()
+        );
+    }
+
+    #[test]
+    fn maybe_number_rejects_null() {
+        assert!(
+            serde_json::from_value::<WithMaybeNumber>(serde_json::json!({ "n": null })).is_err()
+        );
+    }
+}

frontend/src/lib/components/instanceSettings/GhesAppSettings.svelte

@@ -283,7 +283,17 @@
 					placeholder: '12345',
 					disabled: fieldsDisabled
 				}}
-				bind:value={$values['github_enterprise_app'].app_id}
+				bind:value={
+					() => $values['github_enterprise_app'].app_id,
+					(v) => {
+						// The backend expects app_id as a positive integer (i64). Reject
+						// fractional/out-of-range values instead of truncating them, and store
+						// undefined (never a string or 0) so the config omits the key when unset.
+						const n = typeof v === 'string' ? Number(v.trim() || NaN) : (v ?? NaN)
+						$values['github_enterprise_app'].app_id =
+							Number.isSafeInteger(n) && n > 0 ? n : undefined
+					}
+				}
 			/>
 		</div>
 		<div class="flex flex-col gap-1">