diff --git a/mempalace/backends/chroma.py b/mempalace/backends/chroma.py
index afd8083..1a171c1 100644
--- a/mempalace/backends/chroma.py
+++ b/mempalace/backends/chroma.py
@@ -615,6 +615,8 @@ def _normalize_get_collection_args(args, kwargs):
         create = kwargs.pop("create", False)
         if rest:
             create = rest.pop(0)
+        if rest:
+            raise TypeError(f"unexpected positional args: {rest!r}")
         if kwargs:
             raise TypeError(f"unexpected kwargs: {sorted(kwargs)}")
         return (
diff --git a/mempalace/cli.py b/mempalace/cli.py
index a5d3c7d..a4c8a88 100644
--- a/mempalace/cli.py
+++ b/mempalace/cli.py
@@ -179,12 +179,12 @@ def cmd_sweep(args):
         failures = result.get("failures") or []
         if failures:
             print(
-                f"  ⚠ {len(failures)} file(s) failed to sweep — see stderr / logs for details.",
+                f"  WARNING: {len(failures)} file(s) failed to sweep - see stderr / logs for details.",
                 file=sys.stderr,
             )
             sys.exit(2)
     else:
-        print(f"  ✗ Not a file or directory: {target}", file=sys.stderr)
+        print(f"  ERROR: Not a file or directory: {target}", file=sys.stderr)
         sys.exit(1)
 
 
diff --git a/mempalace/sweeper.py b/mempalace/sweeper.py
index ce87153..51ea38d 100644
--- a/mempalace/sweeper.py
+++ b/mempalace/sweeper.py
@@ -321,7 +321,7 @@ def sweep_directory(dir_path: str, palace_path: str) -> dict:
             result = sweep(str(f), palace_path, source_label=str(f))
         except Exception as exc:
             logger.error("sweeper: sweep failed on %s: %s", f, exc)
-            print(f"  \u26a0 sweep failed on {f}: {exc}", file=sys.stderr)
+            print(f"  WARNING: sweep failed on {f}: {exc}", file=sys.stderr)
             failures.append({"file": str(f), "error": str(exc)})
             continue
         total_added += result["drawers_added"]
diff --git a/website/.vitepress/config.mts b/website/.vitepress/config.mts
index 6cfe855..49cf975 100644
--- a/website/.vitepress/config.mts
+++ b/website/.vitepress/config.mts
@@ -11,6 +11,7 @@ function normalizeBase(base?: string): string {
 
 const docsBase = normalizeBase(process.env.DOCS_BASE || '/')
 const editBranch = process.env.DOCS_EDIT_BRANCH || 'main'
+const gaId = process.env.MEMPALACE_DOCS_GA_ID
 
 export default withMermaid(
   defineConfig({
@@ -26,8 +27,10 @@ export default withMermaid(
       ['meta', { property: 'og:title', content: 'MemPalace — AI Memory System' }],
       ['meta', { property: 'og:description', content: '96.6% LongMemEval recall. Zero API calls. Local, free, open source.' }],
       ['meta', { property: 'og:image', content: `${docsBase}mempalace_logo.png` }],
-      ['script', { async: '', src: 'https://www.googletagmanager.com/gtag/js?id=G-PPQE4Z7P1K' }],
-      ['script', {}, `window.dataLayer = window.dataLayer || [];\nfunction gtag(){dataLayer.push(arguments);}\ngtag('js', new Date());\ngtag('config', 'G-PPQE4Z7P1K');`],
+      ...(gaId ? [
+        ['script', { async: '', src: `https://www.googletagmanager.com/gtag/js?id=${gaId}` }],
+        ['script', {}, `window.dataLayer = window.dataLayer || [];\nfunction gtag(){dataLayer.push(arguments);}\ngtag('js', new Date());\ngtag('config', '${gaId}');`],
+      ] as const : []),
     ],
 
     themeConfig: {
diff --git a/website/.vitepress/theme/landing/useLandingEffects.js b/website/.vitepress/theme/landing/useLandingEffects.js
index 815077f..82e69a5 100644
--- a/website/.vitepress/theme/landing/useLandingEffects.js
+++ b/website/.vitepress/theme/landing/useLandingEffects.js
@@ -1,6 +1,10 @@
 import { onMounted, onBeforeUnmount } from 'vue'
 
 export function useLandingEffects() {
+// Shared cleanup registry — IIFEs push disconnect/removeEventListener thunks
+// here so onBeforeUnmount can tear everything down on SPA nav.
+const cleanups = []
+
 onMounted(() => {
   if (typeof document === 'undefined') return
 
@@ -25,7 +29,7 @@ onMounted(() => {
         if (text != null) msg.textContent = text
       }
 
-      form.addEventListener('submit', async (e) => {
+      const onSubmit = async (e) => {
         e.preventDefault()
         if (form.classList.contains('is-success') || form.classList.contains('is-pending')) return
 
@@ -70,11 +74,17 @@ onMounted(() => {
           button.disabled = false
           input.disabled = false
         }
-      })
+      }
 
-      // Clear error state as soon as the user edits
-      input.addEventListener('input', () => {
+      const onInput = () => {
         if (form.classList.contains('is-error')) setState(null, '')
+      }
+
+      form.addEventListener('submit', onSubmit)
+      input.addEventListener('input', onInput)
+      cleanups.push(() => {
+        form.removeEventListener('submit', onSubmit)
+        input.removeEventListener('input', onInput)
       })
     })
   })()
@@ -102,6 +112,7 @@ onMounted(() => {
       })
     }, { rootMargin: '0px 0px -80px 0px' })
     items.forEach(el => io.observe(el))
+    cleanups.push(() => io.disconnect())
   })()
 
   /* ---------- Forgetting demo ---------- */
@@ -369,17 +380,27 @@ onMounted(() => {
       }
     }
 
-    if (replayBtn) replayBtn.addEventListener('click', () => {
+    const onReplayClick = () => {
       resetAll()
       armObservers()
-    })
+    }
+    if (replayBtn) replayBtn.addEventListener('click', onReplayClick)
 
     armObservers()
+
+    cleanups.push(() => {
+      disconnectObservers()
+      if (replayBtn) replayBtn.removeEventListener('click', onReplayClick)
+    })
   })()
 })
 
 onBeforeUnmount(() => {
   if (typeof document === 'undefined') return
   document.body.classList.remove('mempalace-active')
+  while (cleanups.length) {
+    const fn = cleanups.pop()
+    try { fn() } catch (_) { /* swallow — teardown best-effort */ }
+  }
 })
 }