diff --git a/rust/src/providers/antigravity/tests.rs b/rust/src/providers/antigravity/tests.rs
index 6d4c188145..557614da43 100644
--- a/rust/src/providers/antigravity/tests.rs
+++ b/rust/src/providers/antigravity/tests.rs
@@ -38,8 +38,8 @@ fn parses_current_language_server_process() {
 fn parses_language_server_without_extension_server_port() {
     let output = "34564\tC:\\Users\\test\\AppData\\Local\\Programs\\Antigravity\\resources\\bin\\language_server.exe --standalone --override_ide_name antigravity --subclient_type hub --override_ide_version 2.0.11 --https_server_port 0 --csrf_token 68dda2fb-6b26-40c0-aeef-b9a628615714 --app_data_dir antigravity";
 
-    let process = AntigravityProvider::parse_process_info(output)
-        .expect("process info should be detected");
+    let process =
+        AntigravityProvider::parse_process_info(output).expect("process info should be detected");
 
     assert_eq!(process.pid, Some(34564));
     assert_eq!(process.extension_port, Some(0));
@@ -51,8 +51,8 @@ fn parses_language_server_without_extension_server_port() {
 fn parses_language_server_without_any_port_arg() {
     let output = "34564\tC:\\Users\\test\\AppData\\Local\\Programs\\Antigravity\\resources\\bin\\language_server.exe --standalone --csrf_token aabbccdd-1122-3344-5566-778899001122 --app_data_dir antigravity";
 
-    let process = AntigravityProvider::parse_process_info(output)
-        .expect("process info should be detected");
+    let process =
+        AntigravityProvider::parse_process_info(output).expect("process info should be detected");
 
     assert_eq!(process.pid, Some(34564));
     assert_eq!(process.extension_port, None);
@@ -64,8 +64,8 @@ fn parses_language_server_without_any_port_arg() {
 fn parses_equals_form_args() {
     let output = "34564\tC:\\Users\\test\\AppData\\Local\\Programs\\Antigravity\\resources\\bin\\language_server.exe --csrf_token=68dda2fb-6b26-40c0-aeef-b9a628615714 --https_server_port=61999";
 
-    let process = AntigravityProvider::parse_process_info(output)
-        .expect("process info should be detected");
+    let process =
+        AntigravityProvider::parse_process_info(output).expect("process info should be detected");
 
     assert_eq!(process.pid, Some(34564));
     assert_eq!(process.extension_port, Some(61999));
@@ -173,7 +173,8 @@ fn not_running_error_tells_user_how_to_start() {
 #[test]
 fn detects_agy_exe_cli_process_with_empty_csrf() {
     // agy.exe hosts the language server in-process with no --csrf_token.
-    let output = "7777\tC:\\Users\\test\\AppData\\Local\\agy\\bin\\agy.exe session --model gemini-2.5-pro";
+    let output =
+        "7777\tC:\\Users\\test\\AppData\\Local\\agy\\bin\\agy.exe session --model gemini-2.5-pro";
 
     let process = AntigravityProvider::parse_process_info(output)
         .expect("agy CLI process should be detected");
diff --git a/rust/src/providers/qwencloud/mod.rs b/rust/src/providers/qwencloud/mod.rs
index b30beccbdc..957d8fb670 100644
--- a/rust/src/providers/qwencloud/mod.rs
+++ b/rust/src/providers/qwencloud/mod.rs
@@ -343,18 +343,30 @@ impl QwenCloudProvider {
                 ),
             )
         });
-        let primary = five_hour
-            .or(legacy)
-            .ok_or_else(|| ProviderError::Parse("Qwen Cloud usage windows missing".into()))?;
-        let mut usage = UsageSnapshot::new(primary);
-
-        if let Some(weekly_percent) = snapshot.weekly_used_percent {
-            usage = usage.with_secondary(RateWindow::with_details(
-                weekly_percent,
+        let weekly = snapshot.weekly_used_percent.map(|percent| {
+            RateWindow::with_details(
+                percent,
                 Some(WEEKLY_MINUTES),
                 snapshot.weekly_resets_at,
-                quota_detail_percent(weekly_percent, snapshot.weekly_total_quota),
-            ));
+                quota_detail_percent(percent, snapshot.weekly_total_quota),
+            )
+        });
+
+        // Prefer the 5-hour window, then the legacy 30-day envelope. Individual
+        // Qwen Cloud plans expose only the weekly window (`per1WeekPercentage`);
+        // promote it to primary in that case instead of failing the whole fetch.
+        let (primary, secondary) = match (five_hour.or(legacy), weekly) {
+            (Some(primary), secondary) => (primary, secondary),
+            (None, Some(weekly)) => (weekly, None),
+            (None, None) => {
+                return Err(ProviderError::Parse(
+                    "Qwen Cloud usage windows missing".into(),
+                ));
+            }
+        };
+        let mut usage = UsageSnapshot::new(primary);
+        if let Some(secondary) = secondary {
+            usage = usage.with_secondary(secondary);
         }
 
         if let Some(plan) = snapshot.plan_name.filter(|plan| !plan.trim().is_empty()) {
@@ -1388,4 +1400,36 @@ mod tests {
         assert!(!provider.metadata().default_enabled);
         assert_eq!(provider.metadata().dashboard_url, Some(DASHBOARD_URL));
     }
+
+    #[test]
+    fn weekly_only_shape_promotes_weekly_to_primary() {
+        // Real-world fixture: the account exposes only the weekly window, so
+        // there is no per5HourPercentage at all. Previously this failed with
+        // "Qwen Cloud usage windows missing"; now the weekly window becomes
+        // the primary window instead.
+        let payload = serde_json::json!({
+            "code": "200",
+            "data": {
+                "DataV2": {
+                    "data": {
+                        "success": true,
+                        "data": {
+                            "per1WeekPercentage": 0.8439116574633999,
+                            "per1WeekResetTime": 1785234900000_i64
+                        }
+                    },
+                    "success": true,
+                    "httpStatus": 200
+                }
+            },
+            "successResponse": true
+        });
+        let usage = QwenCloudProvider::snapshot_to_usage(
+            QwenCloudProvider::parse(payload.to_string().as_bytes(), None, None).unwrap(),
+        )
+        .unwrap();
+        assert!((usage.primary.used_percent - 84.39116574634).abs() < 1e-9);
+        assert_eq!(usage.primary.window_minutes, Some(WEEKLY_MINUTES));
+        assert!(usage.secondary.is_none());
+    }
 }