fix: fallback to title when process name unavailable, dont skip windows

crates/client/src/windows_mgmt.rs

@@ -16,7 +16,8 @@ mod win_impl {
         keybd_event, KEYEVENTF_KEYUP, VK_MENU,
     };
     use windows::Win32::System::Threading::{
-        OpenProcess, PROCESS_QUERY_LIMITED_INFORMATION,
+        OpenProcess, QueryFullProcessImageNameW, PROCESS_NAME_FORMAT,
+        PROCESS_QUERY_LIMITED_INFORMATION,
     };
     use windows::Win32::System::ProcessStatus::GetModuleBaseNameW;
 
@@ -46,6 +47,8 @@ mod win_impl {
     }
 
     /// Get the process name (exe without extension) for a window handle.
+    /// Tries `GetModuleBaseNameW` first, then `QueryFullProcessImageNameW`
+    /// (which works for elevated processes with `PROCESS_QUERY_LIMITED_INFORMATION`).
     fn hwnd_process_name(hwnd: HWND) -> Option<String> {
         unsafe {
             let mut pid: u32 = 0;
@@ -54,24 +57,50 @@ mod win_impl {
                 return None;
             }
             let handle = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, false, pid).ok()?;
+
+            // Try GetModuleBaseNameW first
             let mut buf = [0u16; 260];
             let len = GetModuleBaseNameW(handle, None, &mut buf);
+            if len > 0 {
                 let _ = windows::Win32::Foundation::CloseHandle(handle);
-            if len == 0 {
-                return None;
-            }
                 let name = String::from_utf16_lossy(&buf[..len as usize]);
-            // Strip .exe extension
-            Some(name.strip_suffix(".exe").or(name.strip_suffix(".EXE")).unwrap_or(&name).to_string())
+                return Some(strip_exe_ext(&name));
+            }
+
+            // Fallback: QueryFullProcessImageNameW (works for elevated processes)
+            let mut buf2 = [0u16; 1024];
+            let mut size = buf2.len() as u32;
+            let ok = QueryFullProcessImageNameW(handle, PROCESS_NAME_FORMAT(0), &mut buf2, &mut size);
+            let _ = windows::Win32::Foundation::CloseHandle(handle);
+            if ok.is_ok() && size > 0 {
+                let full_path = String::from_utf16_lossy(&buf2[..size as usize]);
+                // Extract filename from full path
+                let filename = full_path.rsplit('\\').next().unwrap_or(&full_path);
+                return Some(strip_exe_ext(filename));
+            }
+
+            None
         }
     }
 
-    /// Minimal filter: only block explorer's "Program Manager" desktop window.
-    fn is_ghost_window(_hwnd: HWND, title: &str, process_name: &str) -> bool {
-        let proc_lower = process_name.to_lowercase();
-        // Only block explorer when title is "Program Manager" or empty
-        if proc_lower == "explorer" {
+    fn strip_exe_ext(name: &str) -> String {
+        name.strip_suffix(".exe")
+            .or(name.strip_suffix(".EXE"))
+            .unwrap_or(name)
+            .to_string()
+    }
+
+    /// Filter out ghost/invisible windows. Works even without a process name.
+    fn is_ghost_window(title: &str, process_name: &str) -> bool {
         let t = title.trim();
+        if t.is_empty() {
+            return true;
+        }
+        if t.eq_ignore_ascii_case("program manager") {
+            return true;
+        }
+        // Block explorer when title is empty or "Program Manager"
+        if !process_name.is_empty() && process_name.to_lowercase() == "explorer" {
             if t.is_empty() || t.eq_ignore_ascii_case("program manager") {
                 return true;
             }
@@ -109,10 +138,7 @@ mod win_impl {
                 continue;
             }
             let process_name = hwnd_process_name(*hwnd).unwrap_or_default();
-            if process_name.is_empty() {
-                continue;
-            }
-            if is_ghost_window(*hwnd, &title, &process_name) {
+            if is_ghost_window(&title, &process_name) {
                 continue;
             }
             raw_windows.push((*hwnd, title, process_name));
@@ -120,16 +146,26 @@ mod win_impl {
 
         // Second pass: generate labels from process names with dedup numbering
         let mut label_counts: HashMap<String, usize> = HashMap::new();
-        // First count how many of each process name we have
-        for (_, _, proc_name) in &raw_windows {
-            let base = sanitize_label(proc_name);
+        // First count how many of each label base we have
+        for (_, title, proc_name) in &raw_windows {
+            let base = if proc_name.is_empty() {
+                sanitize_label(title)
+            } else {
+                sanitize_label(proc_name)
+            };
+            if !base.is_empty() {
                 *label_counts.entry(base).or_insert(0) += 1;
             }
+        }
 
         let mut label_index: HashMap<String, usize> = HashMap::new();
         let mut windows = Vec::new();
         for (hwnd, title, proc_name) in raw_windows {
-            let base = sanitize_label(&proc_name);
+            let base = if proc_name.is_empty() {
+                sanitize_label(&title)
+            } else {
+                sanitize_label(&proc_name)
+            };
             if base.is_empty() {
                 continue;
             }