diff --git a/1020098/META.json b/1020098/META.json
new file mode 100644
index 0000000..caeea87
--- /dev/null
+++ b/1020098/META.json
@@ -0,0 +1,53 @@
+{
+  "spotify_version": "1.2.98.301",
+  "classmap_key": "1020098",
+  "status": "verified",
+  "generated": "2026-09-05",
+  "inherited_from": "1020097",
+  "pipeline": "inherit(1020097 -> 1020098) + static target-CSS verification + CDP e2e (deep)",
+  "stats": {
+    "leaves": 36,
+    "inherited": 36,
+    "static_present": 32,
+    "verified_cdp": 21,
+    "live_only": 0,
+    "unresolved_missing": 4,
+    "stale": 2,
+    "cdp_hit_rate": 0.5833,
+    "overlay_entries": 3
+  },
+  "required_paths": {
+    "main.playbar.buttons.button.wrapper": "verified_cdp",
+    "main.topbar.wrapper": "verified_cdp",
+    "main.navbar.link.wrapper": "verified_cdp",
+    "tracklist.column_header": "verified_cdp",
+    "context_menu.menu_item": "verified_cdp",
+    "search_box.container": "verified_cdp",
+    "search_chips.wrapper": "verified_cdp",
+    "sort_box.list.button": "verified_cdp",
+    "settings.header.container": "verified_cdp",
+    "settings.section.container": "verified_cdp",
+    "settings.button.wrapper": "verified_cdp",
+    "modal.track_credits.container": "verified (inherited; present in target CSS)",
+    "modal.widget_generator.container": "verified (inherited; present in target CSS)"
+  },
+  "stale_leaves": [
+    "main.topbar.left.button.icon.wrapper",
+    "main.topbar.right.upgrade_button.wrapper"
+  ],
+  "unverified_leaves": [
+    "main.playbar.buttons.button.wrapper__indicator",
+    "settings.text_input"
+  ],
+  "notes": [
+    "Classmap inherited byte-for-byte from 1020097; no migration guesses were accepted.",
+    "Static verification found 32/36 paths in the target CSS.",
+    "0 CSS-only misses were observed live and remain verified.",
+    "Deep CDP verification observed 21/36 paths on the routes and transient surfaces exercised by the verifier.",
+    "Unresolved new misses remain usable but are marked unverified; inherited stale paths stay blocked."
+  ],
+  "verification_summary": {
+    "needs_manual_check": 32,
+    "missing_in_css": 4
+  }
+}
diff --git a/1020098/classmap-19f856aefd5.json b/1020098/classmap-19f856aefd5.json
new file mode 100644
index 0000000..dd8e490
--- /dev/null
+++ b/1020098/classmap-19f856aefd5.json
@@ -0,0 +1,109 @@
+{
+  "main": {
+    "topbar": {
+      "wrapper": "NXttmW3KPwE1r4Am",
+      "left": {
+        "button": {
+          "wrapper": "kUHE42xvQVzWqabl",
+          "icon": {
+            "wrapper": "IYDlXmBmmUKHveMzIPCF"
+          }
+        },
+        "button_t": {
+          "wrapper": "_Bg_zSvFrEutyacG"
+        }
+      },
+      "right": {
+        "button": {
+          "wrapper": "kUHE42xvQVzWqabl"
+        },
+        "button_t": {
+          "wrapper": "sXjzYBob5Y4psogB"
+        },
+        "upgrade_button": {
+          "wrapper": "Upqw01TOXETOmR5Td7Dj"
+        }
+      }
+    },
+    "playbar": {
+      "widget": {},
+      "controls": {},
+      "buttons": {
+        "button": {
+          "wrapper": "_EuXSrqTA94N1Evn",
+          "wrapper__active": "v1kNYVvW5P8Wa4jS",
+          "wrapper__indicator": "EHxL6K_6WWDlTCZP6x5w"
+        }
+      }
+    },
+    "navbar": {
+      "link": {
+        "wrapper": "kUHE42xvQVzWqabl",
+        "container": "kUHE42xvQVzWqabl",
+        "container__active": "kUHE42xvQVzWqabl"
+      }
+    },
+    "global_navbar": {},
+    "sidebar": {},
+    "panel": {}
+  },
+  "tracklist": {
+    "column_header": "F_VvNCRKZ2cKj1a9"
+  },
+  "search_chips": {
+    "wrapper_wrapper": "qZHfdckfFVY5AURF",
+    "wrapper": "x_HLN829yDsvJDgl",
+    "container": "dxlv5wfAu8zgm7HY",
+    "chip": "U4idT8HUFwfj7PWP"
+  },
+  "modal": {
+    "widget_generator": {
+      "container": "gx9qsprOAO4ubEFc",
+      "header": {
+        "container": "g9sFYudWkUldbuNa",
+        "close": "Pk4GI8WfBMjS5R2J"
+      },
+      "content": {
+        "container": "ywtSYUL2xRwVlvSo"
+      }
+    },
+    "track_credits": {
+      "container": "p5LJBmlswjcRT458",
+      "header": {
+        "container": "idsrX6VAUY49Eczw",
+        "close": "_18qFNPzv7Eyyck8"
+      },
+      "content": {
+        "container": "yKG9lWaUWIBUyVCu"
+      }
+    }
+  },
+  "settings": {
+    "header": {
+      "container": "fEEfljGMIEhhmWVi"
+    },
+    "section": {
+      "container": "nWR7PbHjFXQJiYNL"
+    },
+    "button": {
+      "wrapper": "nHgEqWYM1q0omZ6y"
+    },
+    "text_input": "e-10451-form-input e-10451-form-control encore-text-body-medium"
+  },
+  "scrollable_text": {
+    "container": "MyaStf5D5Im3gt9M",
+    "wrapper": "dxlv5wfAu8zgm7HY"
+  },
+  "sort_box": {
+    "list": {
+      "button": "LQ6y2jhZZtMS7xCr"
+    }
+  },
+  "search_box": {
+    "container": "S0nU7XTXYMOBcASz",
+    "expand_button": "eu6ObgEHE5owtzi_"
+  },
+  "context_menu": {
+    "menu_item": "yqG4N5YYcY4uEujt"
+  }
+}
diff --git a/1020098/css-map.json b/1020098/css-map.json
new file mode 100644
index 0000000..e19fdc7
--- /dev/null
+++ b/1020098/css-map.json
@@ -0,0 +1,5 @@
+{
+  "U4idT8HUFwfj7PWP": "search-searchCategory-categoryGridItem",
+  "fEEfljGMIEhhmWVi": "x-settings-outputSectionHeader",
+  "nWR7PbHjFXQJiYNL": "x-settings-section"
+}
diff --git a/index.json b/index.json
index 5f06ca2..8bd086a 100644
--- a/index.json
+++ b/index.json
@@ -97,6 +97,22 @@
 			},
 			"spotifyVersion": "1.2.97.270",
 			"status": "verified"
+		},
+		"1020098": {
+			"classmap": {
+				"file": "classmap-19f856aefd5.json",
+				"sha256": "d69d189567b5ddb7fcafffa9f4e7d84ee8b2ed27160ae168ae7bd8c8d03d7956"
+			},
+			"cssMapOverlay": {
+				"file": "css-map.json",
+				"sha256": "8c05d9ca347e4e13fb31013df4c42bdbf16046408b989afe4d0ea6a25037800e"
+			},
+			"meta": {
+				"file": "META.json",
+				"sha256": "fa0334b0b336907d6a796e259c2607907bf4e1a028545c1a4e105621130bab87"
+			},
+			"spotifyVersion": "1.2.98.301",
+			"status": "verified"
 		}
 	},
 	"version": 1
diff --git a/scripts/build_index.py b/scripts/build_index.py
index 01d7f75..12f013a 100644
--- a/scripts/build_index.py
+++ b/scripts/build_index.py
@@ -94,7 +94,7 @@ def main() -> int:
         print("index.json is up to date")
         return 0
 
-    INDEX.write_text(rendered)
+    INDEX.write_text(rendered, encoding="utf-8", newline="\n")
     print(f"wrote {INDEX.relative_to(ROOT)} ({len(build()['keys'])} keys)")
     return 0
 
diff --git a/scripts/promote_inherited.py b/scripts/promote_inherited.py
index 16709ac..5b21b20 100644
--- a/scripts/promote_inherited.py
+++ b/scripts/promote_inherited.py
@@ -319,7 +319,9 @@ def promote_inherited_release(
         shutil.copy2(source_classmap, staging_dir / source_classmap.name)
         if overlay.is_file():
             shutil.copy2(overlay, staging_dir / overlay.name)
-        (staging_dir / "META.json").write_text(json.dumps(meta, indent=2, allow_nan=False) + "\n")
+        (staging_dir / "META.json").write_text(
+            json.dumps(meta, indent=2, allow_nan=False) + "\n", encoding="utf-8", newline="\n"
+        )
         staging_dir.rename(target_dir)
     except Exception:
         shutil.rmtree(staging_dir, ignore_errors=True)
diff --git a/scripts/test_promote_inherited.py b/scripts/test_promote_inherited.py
index e2a3b6a..74dd9a6 100644
--- a/scripts/test_promote_inherited.py
+++ b/scripts/test_promote_inherited.py
@@ -12,6 +12,7 @@
 sys.path.insert(0, str(Path(__file__).resolve().parent))
 
 import promote_inherited as promote  # noqa: E402
+import build_index  # noqa: E402
 
 
 class PromoteInheritedTests(unittest.TestCase):
@@ -114,6 +115,7 @@ def test_promotes_an_unchanged_map_and_records_new_stale_paths(self):
             {"customHash": "semantic-name"},
         )
         meta = json.loads((target / "META.json").read_text())
+        self.assertNotIn(b"\r", (target / "META.json").read_bytes())
         self.assertEqual(meta["status"], "verified")
         self.assertEqual(meta["inherited_from"], "1020094")
         self.assertEqual(
@@ -126,6 +128,23 @@ def test_promotes_an_unchanged_map_and_records_new_stale_paths(self):
         self.assertEqual(meta["required_paths"]["main.topbar.wrapper"], "verified_cdp")
         self.assertEqual(meta["required_paths"]["main.playbar.indicator"], "unverified")
 
+    def test_generated_index_uses_lf_and_hashes_published_bytes(self):
+        index_path = self.root / "index.json"
+        with (
+            mock.patch.object(build_index, "ROOT", self.root),
+            mock.patch.object(build_index, "INDEX", index_path),
+            mock.patch.object(sys, "argv", ["build_index.py"]),
+        ):
+            self.assertEqual(build_index.main(), 0)
+        index_bytes = index_path.read_bytes()
+        self.assertNotIn(b"\r", index_bytes)
+        entry = json.loads(index_bytes)["keys"]["1020094"]
+        for field in ("classmap", "cssMapOverlay", "meta"):
+            self.assertEqual(
+                entry[field]["sha256"],
+                hashlib.sha256((self.source / entry[field]["file"]).read_bytes()).hexdigest(),
+            )
+
     def test_refuses_a_report_from_another_spotify_version(self):
         self.cdp_report["cdp"]["browser"]["User-Agent"] = "Spotify/1.2.95.453 Chrome/146"