Zotero's window opening behavior prevents distinguishing between main window and sub-windows

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Problem Description

Zotero opens all windows (main window, dialogs, progress windows) using the same pattern:

1. Creates a base window with generic title="Zotero" and app-id="Zotero"
2. Then updates the title to the actual content (e.g., "My Library - Zotero")

Since open-maximized and open-floating are evaluated only at window creation (step 1), niri cannot distinguish between different window types - they all look identical initially.

Desired Behavior

• Main window (first Zotero window opened): open-maximized true
• Sub-windows (progress dialogs, message windows opened from within Zotero): open-floating true

Proposed Solution

Add a matcher to check if other windows of the same app already exist:

window-rule {
    // First Zotero window (main window) - maximize
    match app-id="Zotero" has-existing-window=false
    open-maximized true
}

window-rule {
    // Subsequent Zotero windows (dialogs, progress) - float
    match app-id="Zotero" has-existing-window=true
    open-floating true
}

Alternative naming: is-first-window-of-app, has-sibling-windows, or existing-window-count.

Current Workaround

Default all Zotero windows to floating, then manually tile/maximize the main window using keybinds.

[payprays]

here is the log from opening Zotero to subwindow

Window 33: focus timestamp changed to Some(Timestamp { secs: 25056, nanos: 929090638 })
Workspace 1: active window changed to Some(34)
// open Zotero main window
Window opened or changed: Window { id: 34, title: Some("Zotero"), app_id: Some("Zotero"), pid: Some(683618), workspace_id: Some(1), is_focused: true, is_floating: false, is_urgent: false, layout: WindowLayout { pos_in_scrolling_layout: Some((3, 1)), tile_size: (958.0, 1042.0), window_size: (958, 1042), tile_pos_in_workspace_view: None, window_offset_in_tile: (0.0, 0.0) }, focus_timestamp: Some(Timestamp { secs: 25058, nanos: 331790492 }) }
Window layouts changed: [(26, WindowLayout { pos_in_scrolling_layout: Some((4, 1)), tile_size: (958.0, 1042.0), window_size: (958, 1042), tile_pos_in_workspace_view: None, window_offset_in_tile: (0.0, 0.0) })]
Window opened or changed: Window { id: 34, title: Some("LLM as a judge - Zotero"), app_id: Some("Zotero"), pid: Some(683618), workspace_id: Some(1), is_focused: true, is_floating: false, is_urgent: false, layout: WindowLayout { pos_in_scrolling_layout: Some((3, 1)), tile_size: (958.0, 1042.0), window_size: (958, 1042), tile_pos_in_workspace_view: None, window_offset_in_tile: (0.0, 0.0) }, focus_timestamp: Some(Timestamp { secs: 25058, nanos: 331790492 }) }
Window opened or changed: Window { id: 34, title: Some("我的文库 - Zotero"), app_id: Some("Zotero"), pid: Some(683618), workspace_id: Some(1), is_focused: true, is_floating: false, is_urgent: false, layout: WindowLayout { pos_in_scrolling_layout: Some((3, 1)), tile_size: (958.0, 1042.0), window_size: (958, 1042), tile_pos_in_workspace_view: None, window_offset_in_tile: (0.0, 0.0) }, focus_timestamp: Some(Timestamp { secs: 25058, nanos: 331790492 }) }
Window opened or changed: Window { id: 34, title: Some("LLM as a judge - Zotero"), app_id: Some("Zotero"), pid: Some(683618), workspace_id: Some(1), is_focused: true, is_floating: false, is_urgent: false, layout: WindowLayout { pos_in_scrolling_layout: Some((3, 1)), tile_size: (958.0, 1042.0), window_size: (958, 1042), tile_pos_in_workspace_view: None, window_offset_in_tile: (0.0, 0.0) }, focus_timestamp: Some(Timestamp { secs: 25058, nanos: 331790492 }) }
Workspace 1: active window changed to Some(35)
// open progess window
Window opened or changed: Window { id: 35, title: Some("Zotero"), app_id: Some("Zotero"), pid: Some(683618), workspace_id: Some(1), is_focused: true, is_floating: false, is_urgent: false, layout: WindowLayout { pos_in_scrolling_layout: Some((4, 1)), tile_size: (958.0, 1042.0), window_size: (958, 1042), tile_pos_in_workspace_view: None, window_offset_in_tile: (0.0, 0.0) }, focus_timestamp: Some(Timestamp { secs: 25070, nanos: 804860080 }) }
Window layouts changed: [(26, WindowLayout { pos_in_scrolling_layout: Some((5, 1)), tile_size: (958.0, 1042.0), window_size: (958, 1042), tile_pos_in_workspace_view: None, window_offset_in_tile: (0.0, 0.0) })]
Window opened or changed: Window { id: 35, title: Some("进度"), app_id: Some("Zotero"), pid: Some(683618), workspace_id: Some(1), is_focused: true, is_floating: false, is_urgent: false, layout: WindowLayout { pos_in_scrolling_layout: Some((4, 1)), tile_size: (958.0, 1042.0), window_size: (958, 1042), tile_pos_in_workspace_view: None, window_offset_in_tile: (0.0, 0.0) }, focus_timestamp: Some(Timestamp { secs: 25070, nanos: 804860080 }) }
Workspace 1: active window changed to Some(34)