fix(ui): refine config save guardrails (#1707)

* fix: refine config save guardrails

* docs: add changelog for config save guardrails (#1707) (thanks @Glucksberg)

CHANGELOG.md

@@ -26,6 +26,7 @@ Docs: https://docs.clawd.bot
 - BlueBubbles: keep part-index GUIDs in reply tags when short IDs are missing.
 - Web UI: hide internal `message_id` hints in chat bubbles.
 - Web UI: show Stop button during active runs, swap back to New session when idle. (#1664) Thanks @ndbroadbent.
+- Web UI: clear stale disconnect banners on reconnect; allow form saves with unsupported schema paths but block missing schema. (#1707) Thanks @Glucksberg.
 - Heartbeat: normalize target identifiers for consistent routing.
 - TUI: reload history after gateway reconnect to restore session state. (#1663)
 - Telegram: use wrapped fetch for long-polling on Node to normalize AbortSignal handling. (#1639)

ui/src/ui/app-gateway.ts

@@ -124,6 +124,7 @@ export function connectGateway(host: GatewayHost) {
     mode: "webchat",
     onHello: (hello) => {
       host.connected = true;
+      host.lastError = null;
       host.hello = hello;
       applySnapshot(host, hello);
       void loadAssistantIdentity(host as unknown as ClawdbotApp);

ui/src/ui/views/config.browser.test.ts

@@ -38,7 +38,7 @@ describe("config view", () => {
     onSubsectionChange: vi.fn(),
   });
 
-  it("disables save when form is unsafe", () => {
+  it("allows save when form is unsafe", () => {
     const container = document.createElement("div");
     render(
       renderConfig({
@@ -59,6 +59,28 @@ describe("config view", () => {
       container,
     );
 
+    const saveButton = Array.from(
+      container.querySelectorAll("button"),
+    ).find((btn) => btn.textContent?.trim() === "Save") as
+      | HTMLButtonElement
+      | undefined;
+    expect(saveButton).not.toBeUndefined();
+    expect(saveButton?.disabled).toBe(false);
+  });
+
+  it("disables save when schema is missing", () => {
+    const container = document.createElement("div");
+    render(
+      renderConfig({
+        ...baseProps(),
+        schema: null,
+        formMode: "form",
+        formValue: { gateway: { mode: "local" } },
+        originalValue: {},
+      }),
+      container,
+    );
+
     const saveButton = Array.from(
       container.querySelectorAll("button"),
     ).find((btn) => btn.textContent?.trim() === "Save") as

ui/src/ui/views/config.ts

@@ -233,10 +233,10 @@ export function renderConfig(props: ConfigProps) {
   const hasRawChanges = props.formMode === "raw" && props.raw !== props.originalRaw;
   const hasChanges = props.formMode === "form" ? diff.length > 0 : hasRawChanges;
 
-  // Save/apply buttons require actual changes to be enabled
+  // Save/apply buttons require actual changes to be enabled.
-  // Note: formUnsafe warns about unsupported schema paths but shouldn't block saving
+  // Note: formUnsafe warns about unsupported schema paths but shouldn't block saving.
   const canSaveForm =
-    Boolean(props.formValue) && !props.loading;
+    Boolean(props.formValue) && !props.loading && Boolean(analysis.schema);
   const canSave =
     props.connected &&
     !props.saving &&