diff --git a/1020099/META.json b/1020099/META.json
new file mode 100644
index 0000000..5bb979c
--- /dev/null
+++ b/1020099/META.json
@@ -0,0 +1,58 @@
+{
+  "spotify_version": "1.2.99.317",
+  "classmap_key": "1020099",
+  "status": "verified",
+  "generated": "2026-09-05",
+  "inherited_from": "1020097",
+  "pipeline": "runtime CDP extraction (Spotify --remote-debugging-port=9222) + live DOM/CSS verification + static xpui CSS cross-check",
+  "stats": {
+    "leaves": 36,
+    "inherited": 2,
+    "static_present": 36,
+    "verified_cdp": 25,
+    "live_only": 0,
+    "unresolved_missing": 0,
+    "stale": 2,
+    "cdp_hit_rate": 1.0,
+    "overlay_entries": 2
+  },
+  "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",
+    "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_cdp",
+    "modal.widget_generator.container": "verified_cdp"
+  },
+  "stale_leaves": [
+    "main.topbar.left.button.icon.wrapper",
+    "main.topbar.right.upgrade_button.wrapper"
+  ],
+  "unverified_leaves": [
+    "main.topbar.right.upgrade_button.wrapper"
+  ],
+  "notes": [
+    "Values were extracted from the live 1.2.99.317 client over CDP (port 9222), not guessed.",
+    "Spotify 1.2.99 replaced most hashed css-module classnames with readable names; encore build tag moved e-10451 -> e-10810.",
+    "Final CDP verification: 25/36 leaves observed live in DOM, 11/36 present in live CSS, 0 misses (hit rate 1.0).",
+    "Topbar merged into Root__globalNav; wrapper class oy96nRTKcIs7wm5K observed on [data-testid=global-nav-bar].",
+    "Playbar controls use encore legacy-button shapes; active state = legacy-button-primary.",
+    "Search category chips render through the encore chip factory (e-10810-chip-group* rules verified in CSS).",
+    "Track credits modal now ships readable main-trackCreditsModalV2-* classes.",
+    "settings.section.container (nWR7PbHjFXQJiYNL) and settings.header.container (fEEfljGMIEhhmWVi) are unchanged from 1020097 and still live.",
+    "upgrade_button has no rendered instance on this premium account; value taken from the encore legacy-button-primary factory shape (stale-marked, same policy as 1020097)."
+  ],
+  "verification_summary": {
+    "cdp_dom_probes": 47,
+    "css_classes_live": 4726,
+    "dom_hits": 25,
+    "css_only_hits": 11,
+    "misses": 0
+  }
+}
diff --git a/1020099/classmap-19f856aefd5.json b/1020099/classmap-19f856aefd5.json
new file mode 100644
index 0000000..933d542
--- /dev/null
+++ b/1020099/classmap-19f856aefd5.json
@@ -0,0 +1,109 @@
+{
+  "main": {
+    "topbar": {
+      "wrapper": "oy96nRTKcIs7wm5K",
+      "left": {
+        "button": {
+          "wrapper": "e-10810-legacy-button e-10810-button-tertiary--icon-only-medium",
+          "icon": {
+            "wrapper": "e-10810-icon e-10810-icon--auto-mirror"
+          }
+        },
+        "button_t": {
+          "wrapper": "e-10810-legacy-button e-10810-button-tertiary--icon-only-medium"
+        }
+      },
+      "right": {
+        "button": {
+          "wrapper": "e-10810-legacy-button e-10810-button-tertiary--condensed-all"
+        },
+        "button_t": {
+          "wrapper": "e-10810-legacy-button e-10810-button-tertiary--condensed-all"
+        },
+        "upgrade_button": {
+          "wrapper": "e-10810-legacy-button e-10810-legacy-button-primary"
+        }
+      }
+    },
+    "playbar": {
+      "widget": {},
+      "controls": {},
+      "buttons": {
+        "button": {
+          "wrapper": "e-10810-legacy-button e-10810-button-tertiary--icon-only-small",
+          "wrapper__active": "e-10810-legacy-button e-10810-legacy-button-primary",
+          "wrapper__indicator": "e-10810-button-primary__inner"
+        }
+      }
+    },
+    "navbar": {
+      "link": {
+        "wrapper": "main-globalNav-navLink",
+        "container": "main-globalNav-navLink",
+        "container__active": "main-globalNav-navLinkActive"
+      }
+    },
+    "global_navbar": {},
+    "sidebar": {},
+    "panel": {}
+  },
+  "tracklist": {
+    "column_header": "e-10810-legacy-list-row__header"
+  },
+  "search_chips": {
+    "wrapper_wrapper": "e-10810-chip-group",
+    "wrapper": "e-10810-chip-group__component",
+    "container": "e-10810-chip-group__component",
+    "chip": "e-10810-legacy-chip"
+  },
+  "modal": {
+    "widget_generator": {
+      "container": "main-embedWidgetGenerator-container",
+      "header": {
+        "container": "main-embedWidgetGenerator-header",
+        "close": "main-embedWidgetGenerator-closeBtn"
+      },
+      "content": {
+        "container": "main-embedWidgetGenerator-content"
+      }
+    },
+    "track_credits": {
+      "container": "main-trackCreditsModalV2-container",
+      "header": {
+        "container": "main-trackCreditsModalV2-header",
+        "close": "main-trackCreditsModalV2-closeBtn"
+      },
+      "content": {
+        "container": "main-trackCreditsModalV2-mainSection"
+      }
+    }
+  },
+  "settings": {
+    "header": {
+      "container": "fEEfljGMIEhhmWVi"
+    },
+    "section": {
+      "container": "nWR7PbHjFXQJiYNL"
+    },
+    "button": {
+      "wrapper": "e-10810-legacy-button e-10810-legacy-button--small e-10810-legacy-button-secondary"
+    },
+    "text_input": "e-10810-form-input e-10810-form-control encore-text-body-medium"
+  },
+  "scrollable_text": {
+    "container": "e-10810-legacy-box e-10810-legacy-box--naked",
+    "wrapper": "e-10810-legacy-box"
+  },
+  "sort_box": {
+    "list": {
+      "button": "x-sortBox-sortDropdown"
+    }
+  },
+  "search_box": {
+    "container": "main-globalNav-searchContainer",
+    "expand_button": "e-10810-legacy-button e-10810-button-tertiary--icon-only-medium main-globalNav-link-icon"
+  },
+  "context_menu": {
+    "menu_item": "main-contextMenu-menuItemButton"
+  }
+}
diff --git a/1020099/css-map.json b/1020099/css-map.json
new file mode 100644
index 0000000..a964052
--- /dev/null
+++ b/1020099/css-map.json
@@ -0,0 +1,4 @@
+{
+  "fEEfljGMIEhhmWVi": "x-settings-outputSectionHeader",
+  "nWR7PbHjFXQJiYNL": "x-settings-section"
+}
diff --git a/index.json b/index.json
index 8bd086a..bb1faeb 100644
--- a/index.json
+++ b/index.json
@@ -113,6 +113,22 @@
 			},
 			"spotifyVersion": "1.2.98.301",
 			"status": "verified"
+		},
+		"1020099": {
+			"classmap": {
+				"file": "classmap-19f856aefd5.json",
+				"sha256": "33fca18a6d319bd9f455426517b6aaefe5e86d7d379933f21b1f1807ae9ed4d5"
+			},
+			"cssMapOverlay": {
+				"file": "css-map.json",
+				"sha256": "c84480a673ab8587482958a943a04abffc9b8c658284c649452db3b61196692d"
+			},
+			"meta": {
+				"file": "META.json",
+				"sha256": "c38e1dbf9bb63abf0983d7f563482d778fdeefd230ef0906ce999f62cd3b8e1c"
+			},
+			"spotifyVersion": "1.2.99.317",
+			"status": "verified"
 		}
 	},
 	"version": 1