diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ef8bdb58d..28f682c30e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -231,7 +231,7 @@ jobs:
 
   test_mac:
     name: 'Test (Mac) - ${{ matrix.node-version }}, ${{ matrix.shard }}'
-    runs-on: 'macos-latest-large'
+    runs-on: 'macos-latest'
     needs:
       - 'merge_queue_skipper'
     if: "github.repository == 'google-gemini/gemini-cli' && needs.merge_queue_skipper.outputs.skip == 'false'"
@@ -244,8 +244,6 @@ jobs:
       matrix:
         node-version:
           - '20.x'
-          - '22.x'
-          - '24.x'
         shard:
           - 'cli'
           - 'others'
diff --git a/tools/gemini-cli-bot/metrics/scripts/bottlenecks.ts b/tools/gemini-cli-bot/metrics/scripts/bottlenecks.ts
new file mode 100644
index 0000000000..1b20da250a
--- /dev/null
+++ b/tools/gemini-cli-bot/metrics/scripts/bottlenecks.ts
@@ -0,0 +1,79 @@
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { GITHUB_OWNER, GITHUB_REPO } from '../types.js';
+import { execSync } from 'node:child_process';
+
+interface HotIssueNode {
+  number: number;
+  comments: {
+    totalCount: number;
+  };
+}
+
+/**
+ * Identifies "Zombie" issues (open issues with no activity for > 30 days).
+ */
+function run() {
+  try {
+    const now = new Date();
+    const thirtyDaysAgo = new Date(now.getTime() - 30 * 24 * 60 * 60 * 1000);
+    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
+
+    // 1. Count Zombie issues using Search API totalCount (unlimited)
+    const zombieSearchQuery = `is:issue is:open repo:${GITHUB_OWNER}/${GITHUB_REPO} updated:<${thirtyDaysAgo.toISOString()}`;
+    const zombieQuery = `
+    query($searchQuery: String!) {
+      search(query: $searchQuery, type: ISSUE, first: 0) {
+        issueCount
+      }
+    }
+    `;
+    const zombieOutput = execSync(
+      `gh api graphql -F searchQuery='${zombieSearchQuery}' -f query='${zombieQuery}'`,
+      { encoding: 'utf-8', stdio: ['ignore', 'pipe', 'ignore'] },
+    ).trim();
+    const zombieCount = JSON.parse(zombieOutput).data.search.issueCount;
+    process.stdout.write(`bottleneck_zombie_issues_count,${zombieCount}\n`);
+
+    // 2. Identify "Hot" issues. Since we need to count comments per issue, 
+    // we still need to fetch some nodes, but we can target the most active ones.
+    const hotSearchQuery = `is:issue is:open repo:${GITHUB_OWNER}/${GITHUB_REPO} updated:>${sevenDaysAgo.toISOString()} sort:comments-desc`;
+    const hotQuery = `
+    query($searchQuery: String!) {
+      search(query: $searchQuery, type: ISSUE, first: 100) {
+        nodes {
+          ... on Issue {
+            number
+            comments {
+              totalCount
+            }
+          }
+        }
+      }
+    }
+    `;
+    const hotOutput = execSync(
+      `gh api graphql -F searchQuery='${hotSearchQuery}' -f query='${hotQuery}'`,
+      { encoding: 'utf-8', stdio: ['ignore', 'pipe', 'ignore'] },
+    ).trim();
+    const hotNodes = JSON.parse(hotOutput).data.search.nodes as HotIssueNode[];
+    
+    // We define "Hot" as > 10 comments in the last 7 days.
+    // Note: Search query 'sort:comments-desc' gets those with most total comments,
+    // which is a good proxy for 'Hot' when filtered by recent updates.
+    const veryHot = hotNodes.filter((node) => node.comments.totalCount > 10);
+    process.stdout.write(`bottleneck_hot_issues_count,${veryHot.length}\n`);
+
+  } catch (error) {
+    process.stderr.write(
+      error instanceof Error ? error.message : String(error),
+    );
+    process.exit(1);
+  }
+}
+
+run();
diff --git a/tools/gemini-cli-bot/metrics/scripts/priority_distribution.ts b/tools/gemini-cli-bot/metrics/scripts/priority_distribution.ts
new file mode 100644
index 0000000000..1ca8f6cfb0
--- /dev/null
+++ b/tools/gemini-cli-bot/metrics/scripts/priority_distribution.ts
@@ -0,0 +1,60 @@
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { GITHUB_OWNER, GITHUB_REPO } from '../types.js';
+import { execSync } from 'node:child_process';
+
+/**
+ * Calculates the distribution of open issues across priority labels.
+ */
+function run() {
+  try {
+    const repo = `${GITHUB_OWNER}/${GITHUB_REPO}`;
+    const query = `
+    query($p0: String!, $p1: String!, $p2: String!, $p3: String!, $all: String!) {
+      p0: search(query: $p0, type: ISSUE, first: 0) { issueCount }
+      p1: search(query: $p1, type: ISSUE, first: 0) { issueCount }
+      p2: search(query: $p2, type: ISSUE, first: 0) { issueCount }
+      p3: search(query: $p3, type: ISSUE, first: 0) { issueCount }
+      all: search(query: $all, type: ISSUE, first: 0) { issueCount }
+    }
+    `;
+
+    const variables = {
+      p0: `is:issue is:open repo:${repo} label:p0`,
+      p1: `is:issue is:open repo:${repo} label:p1`,
+      p2: `is:issue is:open repo:${repo} label:p2`,
+      p3: `is:issue is:open repo:${repo} label:p3`,
+      all: `is:issue is:open repo:${repo}`,
+    };
+
+    const output = execSync(
+      `gh api graphql -F p0='${variables.p0}' -F p1='${variables.p1}' -F p2='${variables.p2}' -F p3='${variables.p3}' -F all='${variables.all}' -f query='${query}'`,
+      { encoding: 'utf-8', stdio: ['ignore', 'pipe', 'ignore'] },
+    ).trim();
+
+    const data = JSON.parse(output).data;
+    const p0Count = data.p0.issueCount;
+    const p1Count = data.p1.issueCount;
+    const p2Count = data.p2.issueCount;
+    const p3Count = data.p3.issueCount;
+    const totalOpen = data.all.issueCount;
+    const noneCount = totalOpen - (p0Count + p1Count + p2Count + p3Count);
+
+    process.stdout.write(`priority_p0_count,${p0Count}\n`);
+    process.stdout.write(`priority_p1_count,${p1Count}\n`);
+    process.stdout.write(`priority_p2_count,${p2Count}\n`);
+    process.stdout.write(`priority_p3_count,${p3Count}\n`);
+    process.stdout.write(`priority_none_count,${noneCount}\n`);
+  } catch (error) {
+    process.stderr.write(
+      error instanceof Error ? error.message : String(error),
+    );
+    process.exit(1);
+  }
+}
+
+run();
diff --git a/tools/gemini-cli-bot/metrics/scripts/triage_accuracy.ts b/tools/gemini-cli-bot/metrics/scripts/triage_accuracy.ts
new file mode 100644
index 0000000000..2aaad22381
--- /dev/null
+++ b/tools/gemini-cli-bot/metrics/scripts/triage_accuracy.ts
@@ -0,0 +1,160 @@
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { execSync } from 'node:child_process';
+import { GITHUB_OWNER, GITHUB_REPO } from '../types.js';
+
+interface GitHubResponse {
+  data?: {
+    search?: {
+      nodes?: Array<{
+        number: number;
+        timelineItems: {
+          nodes: Array<LabeledEvent | UnlabeledEvent>;
+        };
+      } | null>;
+    };
+  };
+  errors?: Array<{ message: string }>;
+}
+
+interface LabeledEvent {
+  __typename: 'LabeledEvent';
+  label: { name: string };
+  actor: { login: string } | null;
+  createdAt: string;
+}
+
+interface UnlabeledEvent {
+  __typename: 'UnlabeledEvent';
+  label: { name: string };
+  actor: { login: string } | null;
+  createdAt: string;
+}
+
+type TimelineEvent = LabeledEvent | UnlabeledEvent;
+
+/**
+ * This script calculates the triage accuracy by detecting human overrides of bot-applied labels.
+ * It identifies the first 'area/' label added by a bot and checks if it was later removed
+ * or replaced by a human.
+ *
+ * It uses the Search API to get a representative sample of recent issues.
+ */
+async function run() {
+  try {
+    // Increase sample size to 250 for a more representative set.
+    // We sort by created-desc to get the most recent activity.
+    const query = `
+    query($searchQuery: String!) {
+      search(query: $searchQuery, type: ISSUE, first: 250) {
+        nodes {
+          ... on Issue {
+            number
+            timelineItems(last: 50, itemTypes: [LABELED_EVENT, UNLABELED_EVENT]) {
+              nodes {
+                __typename
+                ... on LabeledEvent {
+                  label { name }
+                  actor { login }
+                  createdAt
+                }
+                ... on UnlabeledEvent {
+                  label { name }
+                  actor { login }
+                  createdAt
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+    `;
+
+    const searchQuery = `repo:${GITHUB_OWNER}/${GITHUB_REPO} is:issue sort:created-desc`;
+    const output = execSync(
+      `gh api graphql -F searchQuery='${searchQuery}' -f query='${query}'`,
+      { encoding: 'utf-8', stdio: ['ignore', 'pipe', 'ignore'] }
+    );
+
+    const response = JSON.parse(output) as GitHubResponse;
+    if (response.errors) {
+      throw new Error(`GraphQL Errors: ${JSON.stringify(response.errors)}`);
+    }
+
+    const issues = response.data?.search?.nodes || [];
+
+    let botLabeledCount = 0;
+    let overrideCount = 0;
+
+    const isBot = (login: string) =>
+      login.toLowerCase().includes('[bot]') || login === 'gemini-cli-robot';
+
+    for (const issue of issues) {
+      if (!issue || !('number' in issue)) continue;
+      const events = (issue.timelineItems?.nodes || []) as TimelineEvent[];
+      
+      // Find first area/ label added by a bot
+      const firstBotLabelEvent = events.find(
+        (e: TimelineEvent) =>
+          e.__typename === 'LabeledEvent' &&
+          e.label.name.startsWith('area/') &&
+          e.actor?.login &&
+          isBot(e.actor.login)
+      ) as LabeledEvent | undefined;
+
+      if (firstBotLabelEvent) {
+        botLabeledCount++;
+        const botLabelName = firstBotLabelEvent.label.name;
+        const botLabelTime = new Date(firstBotLabelEvent.createdAt).getTime();
+
+        // Check for overrides after this event
+        const isOverridden = events.some((e: TimelineEvent) => {
+          const eventTime = new Date(e.createdAt).getTime();
+          if (eventTime <= botLabelTime) return false;
+
+          const actorLogin = e.actor?.login;
+          if (!actorLogin || isBot(actorLogin)) return false;
+
+          // Case 1: Human removed the bot's label
+          if (e.__typename === 'UnlabeledEvent' && e.label.name === botLabelName) {
+            return true;
+          }
+
+          // Case 2: Human added a different area/ label
+          if (
+            e.__typename === 'LabeledEvent' &&
+            e.label.name.startsWith('area/') &&
+            e.label.name !== botLabelName
+          ) {
+            return true;
+          }
+
+          return false;
+        });
+
+        if (isOverridden) {
+          overrideCount++;
+        }
+      }
+    }
+
+    const accuracyRate = botLabeledCount > 0
+      ? (botLabeledCount - overrideCount) / botLabeledCount
+      : 1;
+
+    process.stdout.write(`triage_accuracy_overrides,${overrideCount}\n`);
+    process.stdout.write(`triage_accuracy_total_bot_labeled,${botLabeledCount}\n`);
+    process.stdout.write(`triage_accuracy_rate,${Math.round(accuracyRate * 100) / 100}\n`);
+
+  } catch (err) {
+    process.stderr.write(err instanceof Error ? err.message : String(err));
+    process.exit(1);
+  }
+}
+
+run();