diff --git a/GEMINI.md b/GEMINI.md
index bf121fa..3411da2 100644
--- a/GEMINI.md
+++ b/GEMINI.md
@@ -117,7 +117,7 @@ Falls back to hardcoded values if the app isn't installed. No manual updates nee
 
 ## Stealth Features
 
-- **TLS fingerprint**: BoringSSL with Chrome 142 JA3/JA4 + H2 fingerprint via `wreq`
+- **TLS fingerprint**: BoringSSL with Chrome JA3/JA4 + H2 fingerprint via `wreq` (version auto-detected)
 - **Protobuf**: Hand-rolled encoder producing byte-exact match to real webview traffic
 - **Warmup**: Mimics real webview startup RPC calls
 - **Heartbeat**: Periodic keep-alive matching real webview lifecycle
@@ -160,7 +160,7 @@ The LS uses `daily-cloudcode-pa.googleapis.com/v1internal:streamGenerateContent?
 
 **Verify patch:** `grep -o 'detectAndUseProxy=[^;]*' /usr/share/antigravity/resources/app/extensions/antigravity/dist/extension.js` should show `detectAndUseProxy=1`.
 
-**Model IDs** (for standalone LS testing): `MODEL_PLACEHOLDER_M18` = Gemini 3 Flash, `MODEL_PLACEHOLDER_M8` = Gemini 3 Pro (High), `MODEL_PLACEHOLDER_M7` = Gemini 3 Pro (Low), `MODEL_PLACEHOLDER_M26` = Claude Opus 4.6, `MODEL_PLACEHOLDER_M12` = Claude Opus 4.5, `MODEL_CLAUDE_4_5_SONNET` = Claude Sonnet 4.5.
+**Model IDs** (for standalone LS testing): See `docs/ls-binary-analysis.md` for the full proto enum mapping.
 
 ### Usage Stats
 
diff --git a/README.md b/README.md
index 96009b2..81d59ea 100644
--- a/README.md
+++ b/README.md
@@ -103,7 +103,7 @@ The proxy needs an OAuth token. Three ways to provide it:
 
 ## Stealth Features
 
-- **TLS fingerprint**: BoringSSL with Chrome 142 JA3/JA4 + H2 fingerprint via `wreq`
+- **TLS fingerprint**: BoringSSL with Chrome JA3/JA4 + H2 fingerprint via `wreq` (version auto-detected)
 - **Protobuf**: Hand-rolled encoder producing byte-exact match to real webview traffic
 - **Warmup**: Mimics real webview startup RPC calls
 - **Heartbeat**: Periodic keep-alive matching real webview lifecycle
diff --git a/src/api/responses.rs b/src/api/responses.rs
index a4b4b67..1e3033d 100644
--- a/src/api/responses.rs
+++ b/src/api/responses.rs
@@ -80,7 +80,6 @@ struct ResponseData {
 }
 
 /// Build a full Response object matching the official OpenAI schema.
-#[allow(clippy::too_many_arguments)]
 fn build_response_object(data: ResponseData, params: &RequestParams) -> ResponsesResponse {
     ResponsesResponse {
         id: data.id,
diff --git a/src/constants.rs b/src/constants.rs
index 5bbce4a..044e5d6 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -115,8 +115,8 @@ fn detect_versions() -> DetectedVersions {
     const FALLBACK_CLIENT: &str = "1.16.5";
 
     let Some(install_dir) = find_install_dir() else {
-        eprintln!(
-            "[constants] ⚠ Could not find Antigravity install — using fallback versions"
+        tracing::warn!(
+            "Could not find Antigravity install — using fallback versions"
         );
         return DetectedVersions {
             antigravity: FALLBACK_ANTIGRAVITY.to_string(),
@@ -139,9 +139,12 @@ fn detect_versions() -> DetectedVersions {
         client: client_ver.unwrap_or_else(|| FALLBACK_CLIENT.to_string()),
     };
 
-    eprintln!(
-        "[constants] ✓ Detected versions: Antigravity={}, Chrome={}, Electron={}, Client={}",
-        versions.antigravity, versions.chrome, versions.electron, versions.client
+    tracing::info!(
+        antigravity = %versions.antigravity,
+        chrome = %versions.chrome,
+        electron = %versions.electron,
+        client = %versions.client,
+        "Detected app versions"
     );
 
     versions
diff --git a/src/mitm/store.rs b/src/mitm/store.rs
index f9b41aa..76e6ff2 100644
--- a/src/mitm/store.rs
+++ b/src/mitm/store.rs
@@ -147,14 +147,6 @@ impl MitmStore {
         latest.remove(cascade_id)
     }
 
-    /// Peek at the latest usage without consuming it.
-    #[allow(dead_code)]
-    pub async fn peek_usage(&self, cascade_id: &str) -> Option<ApiUsage> {
-        let latest = self.latest_usage.read().await;
-        latest.get(cascade_id)
-            .cloned()
-    }
-
     /// Get aggregate stats.
     pub async fn stats(&self) -> MitmStats {
         self.stats.read().await.clone()
diff --git a/src/snapshot.rs b/src/snapshot.rs
index 857f7ac..80f8cb8 100644
--- a/src/snapshot.rs
+++ b/src/snapshot.rs
@@ -35,8 +35,6 @@ fn domain_label(domain: &str) -> (&str, &str) {
 
 const BOLD: &str = "\x1b[1m";
 const DIM: &str = "\x1b[2m";
-#[allow(dead_code)]
-const RED: &str = "\x1b[91m";
 const GREEN: &str = "\x1b[92m";
 const YELLOW: &str = "\x1b[93m";
 const CYAN: &str = "\x1b[96m";