diff --git a/modules/video_qc/executor.py b/modules/video_qc/executor.py
index 11ecc03..88583a3 100644
--- a/modules/video_qc/executor.py
+++ b/modules/video_qc/executor.py
@@ -44,6 +44,83 @@ def _language_display(lang_code: str) -> str:
     return _LANG_NAMES.get(lang_code.lower(), f"language code '{lang_code}'")
 
 
+# Platform UI overlay zones for `title_safe` check. Each entry describes the
+# regions of the frame that the platform's UI obscures (profile pills, captions,
+# action icons). Used to flag when price or garment-name text lands inside.
+# Percentages are conservative — tuned against IG/TikTok screenshots circa 2026.
+_PLATFORM_ZONES = {
+    'tiktok': {
+        'description': "TikTok feed: top ~10% (profile/handle bar), bottom ~25% "
+                       "(caption + UI action rail).",
+        'zones': [
+            {'edge': 'top',    'percent': 10},
+            {'edge': 'bottom', 'percent': 25},
+        ],
+    },
+    'ig_stories': {
+        'description': "Instagram Stories: top ~12% (profile pill + reactions), "
+                       "bottom ~18% (swipe-up / reply bar).",
+        'zones': [
+            {'edge': 'top',    'percent': 12},
+            {'edge': 'bottom', 'percent': 18},
+        ],
+    },
+    'ig_reels': {
+        'description': "Instagram Reels: bottom ~25% (caption + icons), "
+                       "right edge ~10% (action rail).",
+        'zones': [
+            {'edge': 'bottom', 'percent': 25},
+            {'edge': 'right',  'percent': 10},
+        ],
+    },
+    'vertical_generic': {
+        'description': "Generic vertical (9x16) social: top ~10%, bottom ~20%.",
+        'zones': [
+            {'edge': 'top',    'percent': 10},
+            {'edge': 'bottom', 'percent': 20},
+        ],
+    },
+}
+
+
+def _infer_platform_zones(filename: str) -> dict | None:
+    """Infer platform UI overlay zones from filename tokens.
+
+    Returns a dict {'platform': str, 'description': str, 'zones': [...]}
+    or None when the format has no known overlay zones (feed formats like
+    1x1 / 4x5, or unrecognised).
+
+    The returned dict is freshly built (deep-copied zones list) so callers
+    can mutate it without corrupting the module-level _PLATFORM_ZONES.
+    """
+    if not filename:
+        return None
+    upper = filename.upper()
+
+    def _build(key: str) -> dict:
+        base = _PLATFORM_ZONES[key]
+        return {
+            'platform': key,
+            'description': base['description'],
+            'zones': [dict(z) for z in base['zones']],
+        }
+
+    # Most specific first: explicit platform + format combos.
+    if 'TK_STORIES' in upper or '_TK_' in upper or 'TT_9X16' in upper:
+        return _build('tiktok')
+    if 'IG_STORIES' in upper or 'STORIES_9X16' in upper:
+        return _build('ig_stories')
+    if 'IG_REELS' in upper or 'REELS_9X16' in upper:
+        return _build('ig_reels')
+
+    # Fallback: any 9x16 with no platform hint -> generic vertical.
+    if '9X16' in upper:
+        return _build('vertical_generic')
+
+    # Feed formats (1x1, 4x5) and anything else -> no overlay zones.
+    return None
+
+
 class VideoQCExecutor:
     """Execute video QC checks with frame extraction and AI analysis."""