diff --git a/client/scripts/constants.gd b/client/scripts/constants.gd
index f286ad59b..309ab9311 100644
--- a/client/scripts/constants.gd
+++ b/client/scripts/constants.gd
@@ -94,7 +94,7 @@ const FACING_INDICATOR_OFFSET: float = 14.0
 # 640px = 20 × TILE_SIZE (32px) — grid-aligned, ~33% of 1920px viewport.
 # Tyre architecture review 2026-02-19: readability over max-width; fits
 # two columns of text comfortably, leaves world game visible alongside.
-const DIALOGUE_MAX_WIDTH: int = 1200
+const DIALOGUE_MAX_WIDTH: int = 640
 
 # Default camera zoom — used as fallback when get_camera_2d() returns null
 const CAMERA_DEFAULT_ZOOM: Vector2 = Vector2(2.0, 2.0)
diff --git a/client/scripts/main.gd b/client/scripts/main.gd
index cd7d6febc..d1b3373f9 100644
--- a/client/scripts/main.gd
+++ b/client/scripts/main.gd
@@ -425,10 +425,8 @@ func _detect_teleport(old_pos: Vector2, new_pos: Vector2) -> bool:
 # Clears dialogue/monologue/interaction state (server clears its side too).
 # Scoped to Gauntlet testing only — production fast-travel uses diegetic gates.
 func _teleport_transition() -> void:
-	# Snap camera immediately to new position. _teleport_in_progress causes
-	# the lerp block in _process() to snap again on the same frame (in case
-	# player_position updates after this call) and skip lerp next frame.
-	camera.global_position = GameState.player_position * Constants.TILE_SIZE
+	# Set teleport flag — the camera tracking block in _process() will snap
+	# to the player's new position this frame (no lerp). Flag clears after snap.
 	_camera_anchored = true
 	_teleport_in_progress = true
 
diff --git a/client/scripts/rendering/entity_renderer.gd b/client/scripts/rendering/entity_renderer.gd
index 1bbdb7529..63e596a64 100644
--- a/client/scripts/rendering/entity_renderer.gd
+++ b/client/scripts/rendering/entity_renderer.gd
@@ -17,7 +17,7 @@ const TILE_SIZE: int = Constants.TILE_SIZE
 const ENTITY_WIDTH: int = 24
 const ENTITY_HEIGHT: int = 32
 const ENTITY_OFFSET_X: float = (TILE_SIZE - ENTITY_WIDTH) / 2.0   # center horizontally
-const ENTITY_OFFSET_Y: float = (TILE_SIZE - ENTITY_HEIGHT) / 2.0  # center vertically (bottom-aligned for y-sort would use TILE_SIZE - ENTITY_HEIGHT, but center is correct for placeholder)
+const ENTITY_OFFSET_Y: float = (TILE_SIZE - ENTITY_HEIGHT) / 2.0  # center vertically for placeholder. Migration: when real sprites land, switch to bottom-anchor (TILE_SIZE - ENTITY_HEIGHT) for correct y-sort ordering.
 
 # Lerp speed — framerate-independent exponential smoothing.
 # At 12.0: ~70% there after 0.1s, ~95% after 0.25s.
diff --git a/client/scripts/rendering/tile_renderer.gd b/client/scripts/rendering/tile_renderer.gd
index 88cfb336a..5f5ede422 100644
--- a/client/scripts/rendering/tile_renderer.gd
+++ b/client/scripts/rendering/tile_renderer.gd
@@ -64,8 +64,10 @@ func _setup_tileset() -> void:
 
 # Update tiles from snapshot data
 # tiles: Array of {x: int, y: int, z: int, type: String}
-# Only renders z=0 tiles (ground floor). z=1 (FloorObjects) and z>1 (upper floors)
-# are handled by separate nodes — skipped here until those layers are implemented.
+# z here is the server-side FLOOR LEVEL (0 = ground, 1 = first floor, etc.),
+# NOT the Godot scene z_index (which controls render order within a floor).
+# This node only renders floor-level 0. Higher floor levels will be handled
+# by separate TileMapLayer nodes when multi-floor rendering is implemented.
 func update_tiles(tiles: Array) -> void:
 	if not _initialized:
 		return
@@ -76,8 +78,8 @@ func update_tiles(tiles: Array) -> void:
 		if not tile_data.has("x") or not tile_data.has("y") or not tile_data.has("type"):
 			continue
 
-		# Multi-layer support: FloorTiles only renders z=0 (ground floor).
-		# z=1 → FloorObjects node, z=2 → YSortGroup furniture (future layers).
+		# Floor-level filter: only render tiles at floor level 0 (ground).
+		# Floor level 1+ tiles are for upper floors (future multi-floor nodes).
 		var tile_z: int = tile_data.get("z", 0)
 		if tile_z != 0:
 			continue
diff --git a/client/tests/test_smooth_camera_sprint15.gd b/client/tests/test_smooth_camera_sprint15.gd
index 864ec02bc..86a73b08d 100644
--- a/client/tests/test_smooth_camera_sprint15.gd
+++ b/client/tests/test_smooth_camera_sprint15.gd
@@ -100,8 +100,8 @@ func test_camera_converges_to_player_over_multiple_frames() -> void:
 
 	var target := GameState.player_position * Constants.TILE_SIZE
 
-	# Run 40 frames (~0.67s at 60fps) — well past convergence for any speed ≥ 2.0
-	for i in range(40):
+	# Run 120 frames (~2s at 60fps) — converges within 1px for any speed ≥ 2.0
+	for i in range(120):
 		_instance._process(0.016)
 
 	var camera: Camera2D = _instance.get_node("Camera2D")
@@ -123,8 +123,9 @@ func test_camera_stationary_player_no_drift() -> void:
 	for i in range(10):
 		_instance._process(0.016)
 
-	# Camera should still be at anchored position (target = same point)
-	assert_that(camera.global_position).is_equal(initial_pos)
+	# Camera should still be at anchored position (target = same point).
+	# Use distance check — lerp toward same point may introduce float rounding.
+	assert_that(camera.global_position.distance_to(initial_pos) < 0.01).is_true()
 
 
 # --- Teleport snap ---
diff --git a/client/tests/test_ui_framework_sprint15.gd b/client/tests/test_ui_framework_sprint15.gd
index ac572294a..d7bea54c1 100644
--- a/client/tests/test_ui_framework_sprint15.gd
+++ b/client/tests/test_ui_framework_sprint15.gd
@@ -270,3 +270,34 @@ func test_entities_in_ysort_group() -> void:
 	add_child(_instance)
 
 	assert_that(_instance.get_node_or_null("World/FogGroup/YSortGroup/Entities")).is_not_null()
+
+
+# -------------------------------------------------------------------------
+# #71: Tilemap z-filter — FloorTiles only renders floor level 0
+# -------------------------------------------------------------------------
+
+func test_tile_renderer_skips_nonzero_z() -> void:
+	# #71: Tiles with z != 0 must be filtered out by update_tiles().
+	var scene := load("res://scenes/main.tscn")
+	_instance = scene.instantiate()
+	auto_free(_instance)
+	add_child(_instance)
+
+	var tile_renderer: TileMapLayer = _instance.get_node("World/FogGroup/FloorTiles")
+	assert_that(tile_renderer).is_not_null()
+
+	# Feed tiles at z=0 and z=1
+	var tiles: Array = [
+		{"x": 0, "y": 0, "z": 0, "type": "floor"},
+		{"x": 1, "y": 0, "z": 1, "type": "floor"},
+		{"x": 2, "y": 0, "z": 0, "type": "wall"},
+		{"x": 3, "y": 0, "z": 2, "type": "door"},
+	]
+	tile_renderer.update_tiles(tiles)
+
+	# z=0 tiles should be present
+	assert_that(tile_renderer.get_cell_source_id(Vector2i(0, 0))).is_not_equal(-1)
+	assert_that(tile_renderer.get_cell_source_id(Vector2i(2, 0))).is_not_equal(-1)
+	# z=1 and z=2 tiles should NOT be present (-1 = no cell)
+	assert_that(tile_renderer.get_cell_source_id(Vector2i(1, 0))).is_equal(-1)
+	assert_that(tile_renderer.get_cell_source_id(Vector2i(3, 0))).is_equal(-1)