fix(copy): clarify provider errors and recovery

apps/mobile/src/features/connection/EnvironmentConnectionNotice.tsx

@@ -19,7 +19,7 @@ function noticeTitle(phase: EnvironmentConnectionPhase, environmentLabel: string
     case "reconnecting":
       return `Reconnecting to ${environmentLabel}...`;
     case "unsupported":
-      return "Client not supported";
+      return `Can't connect to ${environmentLabel}`;
     case "error":
       return `${environmentLabel} is unavailable`;
     case "available":

apps/mobile/src/features/threads/PendingApprovalCard.tsx

@@ -73,8 +73,8 @@ export function PendingApprovalCard(props: PendingApprovalCardProps) {
       ) : null}
       {!canRespond ? (
         <Text className="font-sans text-sm leading-5 text-foreground-muted">
-          The provider process for this request is no longer available. Interrupt or restart the run
-          to continue.
+          The agent process has stopped, so you can no longer answer this approval request.
+          Interrupt or restart the turn to continue.
         </Text>
       ) : null}
       {warning ? (

apps/web/src/components/chat/MessagesTimeline.browser.test.tsx

@@ -1147,7 +1147,11 @@ it("keeps concurrent approvals actionable outside collapsed work and restores se
     ui({ pendingApprovals: [{ ...approvals[0]!, responseCapability: "not_resumable" }] }),
   );
   await expect
-    .element(screen.getByText("Provider process is gone. Interrupt or restart the run to respond."))
+    .element(
+      screen.getByText(
+        "The agent process has stopped, so you can no longer answer this approval request. Interrupt or restart the turn to continue.",
+      ),
+    )
     .toBeVisible();
   await vi.waitFor(() => expect(screen.buttons("Approve")).toHaveLength(0));
   await screen.rerender(

apps/web/src/components/chat/ProviderStatusBanner.tsx

@@ -82,7 +82,7 @@ export function getProviderStatusMessage(status: ServerProvider): string {
     ? "No models are available for this provider."
     : status.status === "error"
       ? `${providerName} provider is unavailable.`
-      : `${providerName} provider has limited availability.`;
+      : `T3 Code encountered a problem with ${providerName}.`;
 }
 
 export const ProviderStatusBanner = memo(function ProviderStatusBanner({
@@ -102,7 +102,7 @@ export const ProviderStatusBanner = memo(function ProviderStatusBanner({
   const isUnauthenticated = status.status === "error" && status.auth.status === "unauthenticated";
   const incompatible = getIncompatibleVersion(status);
   const title = isUnauthenticated
-    ? `${providerName} is unauthenticated`
+    ? `Sign in to ${providerName}`
     : incompatible
       ? `${providerName} ${status.version ?? ""} is ${incompatible.status === "broken" ? "known to be broken" : "unsupported"}`
       : `${providerName} provider status`;

apps/web/src/components/chat/TimelinePendingApprovalRow.tsx

@@ -97,7 +97,8 @@ export const TimelinePendingApprovalRow = memo(function TimelinePendingApprovalR
             </>
           ) : (
             <span className="text-warning">
-              Provider process is gone. Interrupt or restart the run to respond.
+              The agent process has stopped, so you can no longer answer this approval request.
+              Interrupt or restart the turn to continue.
             </span>
           )}
           {approval.fullAccessOverride ? (