diff --git a/packages/app/e2e/performance/timeline/first-navigation-metrics.ts b/packages/app/e2e/performance/timeline/first-navigation-metrics.ts
index 7c4a7d1f1..db3867804 100644
--- a/packages/app/e2e/performance/timeline/first-navigation-metrics.ts
+++ b/packages/app/e2e/performance/timeline/first-navigation-metrics.ts
@@ -18,9 +18,7 @@ export function summarizeFirstNavigation(samples: FirstNavigationSample[]) {
   const categories = samples.map(category)
   const stable = categories.findIndex(
     (value, index) =>
-      value === "destination" &&
-      categories[index + 1] === "destination" &&
-      categories[index + 2] === "destination",
+      value === "destination" && categories[index + 1] === "destination" && categories[index + 2] === "destination",
   )
   return {
     samples: samples.length,
diff --git a/packages/app/e2e/performance/timeline/first-navigation-probe.ts b/packages/app/e2e/performance/timeline/first-navigation-probe.ts
index 0fa3af6d8..0e7ef45f2 100644
--- a/packages/app/e2e/performance/timeline/first-navigation-probe.ts
+++ b/packages/app/e2e/performance/timeline/first-navigation-probe.ts
@@ -72,7 +72,8 @@ export async function measureFirstNavigation(
   )
   await input.navigate()
   await page.waitForFunction(() => {
-    const samples = (window as Window & { __firstNavigationProbe?: FirstNavigationProbe }).__firstNavigationProbe?.samples
+    const samples = (window as Window & { __firstNavigationProbe?: FirstNavigationProbe }).__firstNavigationProbe
+      ?.samples
     if (!samples) return false
     return samples.length >= 3 && samples.slice(-3).every((sample) => sample.destination && !sample.source)
   })
diff --git a/packages/app/e2e/performance/timeline/navigation-milestones.ts b/packages/app/e2e/performance/timeline/navigation-milestones.ts
index 6f003d244..b8ec858e8 100644
--- a/packages/app/e2e/performance/timeline/navigation-milestones.ts
+++ b/packages/app/e2e/performance/timeline/navigation-milestones.ts
@@ -20,7 +20,9 @@ export function summarizeNavigationMilestones(samples: NavigationMilestoneSample
   }
   return {
     samples: samples.length,
-    milestones: Object.fromEntries(names.map((name) => [name, summarize((sample) => sample.milestones[name] === true)])),
+    milestones: Object.fromEntries(
+      names.map((name) => [name, summarize((sample) => sample.milestones[name] === true)]),
+    ),
     all: summarize((sample) => names.every((name) => sample.milestones[name] === true)),
   }
 }
@@ -38,75 +40,78 @@ export async function measureNavigationMilestones(
     navigate: () => Promise<void>
   },
 ) {
-  await page.evaluate(({ triggerSelector, milestones }) => {
-    const samples: NavigationMilestoneSample[] = []
-    const streaks = new Map<string, number>()
-    const marked = new Set<string>()
-    let started: number | undefined
-    let running = true
-    const visible = (selector: string) =>
-      [...document.querySelectorAll<HTMLElement>(selector)].some((element) => {
-        const rect = element.getBoundingClientRect()
-        const style = getComputedStyle(element)
-        return rect.width > 0 && rect.height > 0 && style.visibility !== "hidden" && style.display !== "none"
-      })
-    const sample = () => {
-      if (!running || started === undefined) return
-      requestAnimationFrame(() => {
-        setTimeout(() => {
-          if (!running || started === undefined) return
-          const current = Object.fromEntries(
-            Object.entries(milestones).map(([name, milestone]) => [
-              name,
-              milestone.visible === false ? !document.querySelector(milestone.selector) : visible(milestone.selector),
-            ]),
-          )
-          samples.push({
-            observedAtMs: performance.now() - started,
-            milestones: current,
-          })
-          Object.entries(current).forEach(([name, value]) => {
-            if (!value) {
-              streaks.set(name, 0)
-              return
+  await page.evaluate(
+    ({ triggerSelector, milestones }) => {
+      const samples: NavigationMilestoneSample[] = []
+      const streaks = new Map<string, number>()
+      const marked = new Set<string>()
+      let started: number | undefined
+      let running = true
+      const visible = (selector: string) =>
+        [...document.querySelectorAll<HTMLElement>(selector)].some((element) => {
+          const rect = element.getBoundingClientRect()
+          const style = getComputedStyle(element)
+          return rect.width > 0 && rect.height > 0 && style.visibility !== "hidden" && style.display !== "none"
+        })
+      const sample = () => {
+        if (!running || started === undefined) return
+        requestAnimationFrame(() => {
+          setTimeout(() => {
+            if (!running || started === undefined) return
+            const current = Object.fromEntries(
+              Object.entries(milestones).map(([name, milestone]) => [
+                name,
+                milestone.visible === false ? !document.querySelector(milestone.selector) : visible(milestone.selector),
+              ]),
+            )
+            samples.push({
+              observedAtMs: performance.now() - started,
+              milestones: current,
+            })
+            Object.entries(current).forEach(([name, value]) => {
+              if (!value) {
+                streaks.set(name, 0)
+                return
+              }
+              if (!marked.has(`${name}.first`)) {
+                performance.mark(`opencode.navigation.${name}.first`)
+                marked.add(`${name}.first`)
+              }
+              const streak = (streaks.get(name) ?? 0) + 1
+              streaks.set(name, streak)
+              if (streak === 3) performance.mark(`opencode.navigation.${name}.stable`)
+            })
+            const all = Object.values(current).every(Boolean)
+            const allStreak = all ? (streaks.get("all") ?? 0) + 1 : 0
+            streaks.set("all", allStreak)
+            if (all && !marked.has("all.first")) {
+              performance.mark("opencode.navigation.all.first")
+              marked.add("all.first")
             }
-            if (!marked.has(`${name}.first`)) {
-              performance.mark(`opencode.navigation.${name}.first`)
-              marked.add(`${name}.first`)
-            }
-            const streak = (streaks.get(name) ?? 0) + 1
-            streaks.set(name, streak)
-            if (streak === 3) performance.mark(`opencode.navigation.${name}.stable`)
-          })
-          const all = Object.values(current).every(Boolean)
-          const allStreak = all ? (streaks.get("all") ?? 0) + 1 : 0
-          streaks.set("all", allStreak)
-          if (all && !marked.has("all.first")) {
-            performance.mark("opencode.navigation.all.first")
-            marked.add("all.first")
-          }
-          if (allStreak === 3) performance.mark("opencode.navigation.all.stable")
+            if (allStreak === 3) performance.mark("opencode.navigation.all.stable")
+            sample()
+          }, 0)
+        })
+      }
+      document.addEventListener(
+        "click",
+        (event) => {
+          if (!(event.target instanceof Element) || !event.target.closest(triggerSelector)) return
+          started = performance.now()
+          performance.mark("opencode.navigation.click")
           sample()
-        }, 0)
-      })
-    }
-    document.addEventListener(
-      "click",
-      (event) => {
-        if (!(event.target instanceof Element) || !event.target.closest(triggerSelector)) return
-        started = performance.now()
-        performance.mark("opencode.navigation.click")
-        sample()
-      },
-      { capture: true, once: true },
-    )
-    ;(window as Window & { __navigationMilestones?: NavigationMilestoneProbe }).__navigationMilestones = {
-      samples,
-      stop: () => {
-        running = false
-      },
-    }
-  }, { triggerSelector: input.triggerSelector, milestones: input.milestones })
+        },
+        { capture: true, once: true },
+      )
+      ;(window as Window & { __navigationMilestones?: NavigationMilestoneProbe }).__navigationMilestones = {
+        samples,
+        stop: () => {
+          running = false
+        },
+      }
+    },
+    { triggerSelector: input.triggerSelector, milestones: input.milestones },
+  )
   await input.navigate()
   await page.waitForFunction(() => {
     const samples = (window as Window & { __navigationMilestones?: NavigationMilestoneProbe }).__navigationMilestones
diff --git a/packages/app/e2e/performance/timeline/session-timeline-stress.fixture.ts b/packages/app/e2e/performance/timeline/session-timeline-stress.fixture.ts
index 7017752f8..529081a1d 100644
--- a/packages/app/e2e/performance/timeline/session-timeline-stress.fixture.ts
+++ b/packages/app/e2e/performance/timeline/session-timeline-stress.fixture.ts
@@ -344,9 +344,7 @@ export const fixture = {
     targetMessageIDs: targetMessages
       .filter((message) => message.info.role === "user")
       .map((message) => message.info.id),
-    childMessageIDs: childMessages
-      .filter((message) => message.info.role === "user")
-      .map((message) => message.info.id),
+    childMessageIDs: childMessages.filter((message) => message.info.role === "user").map((message) => message.info.id),
     targetPartIDs: targetMessages.flatMap((message) =>
       orderedParts(message)
         .filter(renderable)
diff --git a/packages/app/e2e/performance/timeline/timeline-test-helpers.ts b/packages/app/e2e/performance/timeline/timeline-test-helpers.ts
index b66a6f2b2..1535dd2c7 100644
--- a/packages/app/e2e/performance/timeline/timeline-test-helpers.ts
+++ b/packages/app/e2e/performance/timeline/timeline-test-helpers.ts
@@ -47,17 +47,15 @@ export async function installStressSessionTabs(page: Page, input?: { draftID?: s
       )
       localStorage.setItem(
         "opencode.global.dat:tabs",
-        JSON.stringify(
-          [
-            ...sessionIDs.map((sessionId) => ({
-              type: "session",
-              server,
-              dirBase64,
-              sessionId,
-            })),
-            ...(draftID ? [{ type: "draft", draftID, server, directory }] : []),
-          ],
-        ),
+        JSON.stringify([
+          ...sessionIDs.map((sessionId) => ({
+            type: "session",
+            server,
+            dirBase64,
+            sessionId,
+          })),
+          ...(draftID ? [{ type: "draft", draftID, server, directory }] : []),
+        ]),
       )
     },
     {
diff --git a/packages/app/src/pages/session.tsx b/packages/app/src/pages/session.tsx
index 0e26a7e65..7528534e5 100644
--- a/packages/app/src/pages/session.tsx
+++ b/packages/app/src/pages/session.tsx
@@ -1149,7 +1149,8 @@ export default function Page() {
     })
   }
   const onHistoryScroll = () => {
-    if (historyRequest || historyLoading() || !autoScroll.userScrolled() || !scroller || scroller.scrollTop >= 200) return
+    if (historyRequest || historyLoading() || !autoScroll.userScrolled() || !scroller || scroller.scrollTop >= 200)
+      return
     void loadOlder()
   }