Revert "fix(navigation): eliminate VLM hallucination on bottom navigation tabs via structural guard"

This reverts commit b9c29a5a2d.

tests/e2e/test_visual_intent_resolver.py

@@ -133,26 +133,18 @@ def test_visual_discovery_finds_following_by_seeing(make_real_device_with_image)
 # ═══════════════════════════════════════════════════════
 
 
-def test_structural_navigation_guard_bypasses_vlm(make_real_device_with_xml):
+def test_resolve_uses_structural_path_when_no_device(make_real_device_with_xml):
     """
-    TDD PROOF: The Structural Navigation Guard must intercept bottom-nav actions
-    (like "tap profile tab") and directly return the matching candidate based on
-    resource-id, entirely bypassing the VLM and Set-of-Mark visual annotation.
+    When called WITHOUT a device (device=None), resolve() must fall back
+    to the structural XML-only path instead of visual discovery.
+    This proves the routing logic works: visual is primary, structural is fallback.
     """
     from GramAddict.core.perception.spatial_parser import SpatialNode
 
     resolver = IntentResolver()
 
-    # Provide candidates including a trap (Profile picture) and the real tab
+    # A single candidate with a clear profile_tab match
     candidates = [
-        SpatialNode(
-            resource_id="com.instagram.android:id/row_feed_photo_profile_imageview",
-            class_name="android.widget.ImageView",
-            text="",
-            content_desc="Profile picture of some user",
-            bounds=(0, 0, 100, 100),
-            clickable=True,
-        ),
         SpatialNode(
             resource_id="com.instagram.android:id/profile_tab",
             class_name="android.widget.FrameLayout",
@@ -163,14 +155,7 @@ def test_structural_navigation_guard_bypasses_vlm(make_real_device_with_xml):
         )
     ]
 
-    # Device IS provided. Without the structural guard, this would trigger
-    # visual discovery (which fails in tests without an image).
-    device = make_real_device_with_xml("tests/fixtures/home_feed_with_ad.xml")
-    
-    # We resolve the intent
-    result = resolver.resolve("tap profile tab", candidates, device=device, screen_height=2400)
-    
-    assert result is not None, "Structural Navigation Guard failed to find the profile tab"
-    assert result.resource_id == "com.instagram.android:id/profile_tab", (
-        f"Guard picked the wrong node! Selected: {result.resource_id}"
-    )
+    # Without device, resolve must still work via structural matching
+    result = resolver.resolve("tap profile tab", candidates, screen_height=2400)
+    assert result is not None, "Structural fallback failed to find profile_tab without a device"
+    assert result.resource_id == "com.instagram.android:id/profile_tab"