Feature/fsg gamma team ui fix (#3)

## Summary

What changed and why?

## Change Type

- [ ] Cowork feature
- [ ] Bug fix
- [x] Core AI contribution
- [ ] Test / hardening
- [ ] Performance
- [ ] Documentation

## Related Work

Cowork Task:

Core Repo: http://34.143.229.138/gitea-admin/fsg-ai-core-assets

Core AI Issue:

Core Task:

Related PR:

## Scope

What is intentionally included?

What is intentionally NOT included?

## Validation

- [ ] Unit tests
- [ ] Integration tests
- [ ] Manual verification
- [ ] Regression check

Commands / evidence:

## Security Impact

Permission / credential / network / customer data impact:

## Compatibility

- [ ] No breaking change
- [ ] Breaking change documented

## Reviewer Notes

Anything Cowork reviewers should pay attention to.

---------

Co-authored-by: Hiep Ha Van <hiephv3@fpt.com>
Co-authored-by: Nam Pham Dinh Thanh <nampdt@fpt.com>
Co-authored-by: Lam Hoang Van <lamhv7@fpt.com>
Co-authored-by: NamPDT <minhanhpkpro@gmail.com>
Reviewed-on: #3

tools/check_icons_screen.py

@@ -0,0 +1,108 @@
+"""The Icon library screen against its wireframe.
+
+The drawing (section 16) puts the three actions on the title row, a magnifier
+in the search box, caps section headings, and — its stated complaint — a
+visible edge on an icon cell when you hover or select it, so you can tell what
+you are about to pick.
+"""
+from __future__ import annotations
+
+import os
+import sys
+
+sys.stdout.reconfigure(encoding="utf-8", errors="replace")
+
+from pathlib import Path
+
+REPO = Path(__file__).resolve().parent.parent
+sys.path.insert(0, str(REPO.parent))
+sys.path.insert(0, str(Path(__file__).resolve().parent))
+os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")
+
+from capture_screens import (  # noqa: E402
+    _apply_theme, _freeze_schedulers, _isolate_home, _load_fonts)
+
+
+def main() -> int:
+    sandbox = _isolate_home()
+    from PySide6.QtCore import QPoint
+    from PySide6.QtWidgets import QApplication, QLineEdit
+
+    app = QApplication([])
+    _load_fonts()
+    _freeze_schedulers()
+    _apply_theme(app)
+
+    from cowork_local.config import CONFIG_DIR
+    assert str(sandbox) in str(CONFIG_DIR), f"isolation failed: {CONFIG_DIR}"
+
+    from cowork_local.config import AppConfig
+    from cowork_local.i18n import set_language
+    from cowork_local.state import AppContext
+    from cowork_local.ui.icons_admin_tab import IconsAdminTab
+
+    set_language("vi")
+    tab = IconsAdminTab(AppContext(AppConfig.load()))
+    tab.resize(1100, 700)
+    tab.show()
+    app.processEvents()
+
+    fails = []
+
+    # 1. actions on the title row, to its right — not in a strip below the
+    #    grids. Comparing y alone was not enough: a button left out of the
+    #    layout sits at (0,0), which is "the same row" by accident.
+    title = tab._title
+    t_pos = title.mapTo(tab, QPoint(0, 0))
+    t_mid = t_pos.y() + title.height() // 2
+    t_right = t_pos.x() + title.width()
+    for name, btn in (("Thêm", tab.add_btn), ("Dán", tab.paste_btn),
+                      ("Xóa", tab.del_btn)):
+        pos = btn.mapTo(tab, QPoint(0, 0))
+        mid = pos.y() + btn.height() // 2
+        aligned = abs(mid - t_mid) <= 6
+        after = pos.x() >= t_right
+        print(f"nut {name:5}: tam y={mid} (tieu de {t_mid}) thang hang={aligned} "
+              f"| x={pos.x()} (sau tieu de {t_right})={after}")
+        if not (aligned and after):
+            fails.append(f"nut {name} khong nam cung hang, ben phai tieu de")
+
+    # 2. magnifier in the search box
+    lead = tab.search.actions()
+    print(f"o tim co icon kinh lup: {bool(lead)}")
+    if not lead:
+        fails.append("o tim thieu icon kinh lup")
+
+    # 3. caps headings
+    for name, lbl in (("tich hop", tab._builtin_lbl), ("tuy chinh", tab._custom_lbl)):
+        text = lbl.text()
+        print(f"tieu de {name}: {text!r}")
+        if text != text.upper():
+            fails.append(f"tieu de {name} chua viet hoa: {text!r}")
+
+    # 4. the cell has an edge to see — compare the painted cell hovered vs not
+    grid = tab.builtin_grid
+    if grid.count():
+        rect = grid.visualItemRect(grid.item(0))
+        plain = grid.grab(rect).toImage()
+        grid.setCurrentRow(0)
+        app.processEvents()
+        picked = grid.grab(rect).toImage()
+        diff = sum(1 for x in range(plain.width()) for y in range(plain.height())
+                   if plain.pixelColor(x, y) != picked.pixelColor(x, y))
+        print(f"o icon doi {diff} diem anh khi duoc chon")
+        if diff == 0:
+            fails.append("o icon khong doi gi khi duoc chon — khong thay minh dang chon cai nao")
+    else:
+        fails.append("luoi icon rong")
+
+    print()
+    for f in fails:
+        print("FAIL  " + f)
+    print("PASS  man Icon khop ban ve" if not fails else f"{len(fails)} problem(s)")
+    sys.stdout.flush()
+    os._exit(1 if fails else 0)
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())