e-mon · e-mon · Mar 13, 2026 · Mar 13, 2026 · Mar 13, 2026 · Mar 13, 2026
diff --git a/src/agent/session/daily-summary.ts b/src/agent/session/daily-summary.ts
@@ -149,8 +149,8 @@ export async function generateHeartbeatActivityLog(
         `# Heartbeat Activity — ${dateStr}`,
         '',
         '## Summary',
-        `- ${grouped.okCount}回 HEARTBEAT_OK`,
-        `- ${grouped.actions.length}回 アクション実行`,
+        `- ${grouped.okCount}x HEARTBEAT_OK`,
+        `- ${grouped.actions.length}x actions executed`,
         '',
         '## Activity Log',
         '',
@@ -255,19 +255,19 @@ export async function generateDailySummary(
     // Sessions section
     lines.push('## Sessions');
     if (sessions.length === 0) {
-        lines.push('（セッションなし）', '');
+        lines.push('(No sessions)', '');
     } else {
         for (const s of sessions) {
-            lines.push(`- ${s.trigger}: ${s.title}（${s.durationMin}分, ${s.tokens}トークン）`);
+            lines.push(`- ${s.trigger}: ${s.title} (${s.durationMin}min, ${s.tokens} tokens)`);
         }
         lines.push('');
     }
 
     // Heartbeat section
     lines.push('## Heartbeat');
-    lines.push(`- ${heartbeat.okCount}回 HEARTBEAT_OK`);
+    lines.push(`- ${heartbeat.okCount}x HEARTBEAT_OK`);
     if (heartbeat.actions.length > 0) {
-        lines.push(`- ${heartbeat.actions.length}回 アクション実行:`);
+        lines.push(`- ${heartbeat.actions.length}x actions executed:`);
         for (const action of heartbeat.actions) {
             const time = toLocalTime(action.timestamp, timezone);
             const tools = [...new Set(action.toolCalls.map((tc) => tc.name))].join(', ');
@@ -287,10 +287,10 @@ export async function generateDailySummary(
     // Cron Jobs section
     lines.push('## Cron Jobs');
     if (cronStats.jobs.length === 0) {
-        lines.push('（cronジョブなし）', '');
+        lines.push('(No cron jobs)', '');
     } else {
         for (const job of cronStats.jobs) {
-            const status = job.errors > 0 ? `${job.runs - job.errors}/${job.runs} ✓` : `${job.runs}回実行 ✓`;
+            const status = job.errors > 0 ? `${job.runs - job.errors}/${job.runs} ✓` : `${job.runs}x runs ✓`;
             lines.push(`- ${job.jobId}: ${status}`);
         }
         lines.push('');
@@ -562,9 +562,9 @@ async function summarizeHeartbeatActions(
         .join('\n\n');
 
     const prompt = [
-        '以下のハートビートアクション実行ログを、各エントリごとに「### HH:MM — カテゴリ」形式で要約してください。',
-        '各エントリは2-3文で、何を検知し何をしたかを簡潔に記述。',
-        'Markdown以外のメタ情報は出力しないでください。',
+        'Summarize the following heartbeat action execution logs, with each entry in "### HH:MM — Category" format.',
+        'Each entry should be 2-3 sentences, concisely describing what was detected and what action was taken.',
+        'Output only Markdown content — no meta-information.',
         '',
         entriesText,
     ].join('\n');
@@ -594,38 +594,38 @@ async function generateHighlights(
     const dataParts: string[] = [];
 
     if (sessions.length > 0) {
-        dataParts.push('セッション:');
+        dataParts.push('Sessions:');
         for (const s of sessions) {
-            dataParts.push(`- ${s.trigger}: ${s.title}（${s.durationMin}分）`);
+            dataParts.push(`- ${s.trigger}: ${s.title} (${s.durationMin}min)`);
         }
     }
 
     if (heartbeat.actions.length > 0) {
-        dataParts.push('ハートビートアクション:');
+        dataParts.push('Heartbeat Actions:');
         for (const a of heartbeat.actions) {
             const time = a.timestamp.substring(11, 16);
             dataParts.push(`- ${time}: ${a.responseText.substring(0, 200)}`);
         }
     }
 
     if (cronStats.jobs.length > 0) {
-        dataParts.push('Cronジョブ:');
+        dataParts.push('Cron Jobs:');
         for (const j of cronStats.jobs) {
-            dataParts.push(`- ${j.jobId}: ${j.runs}回実行`);
+            dataParts.push(`- ${j.jobId}: ${j.runs}x runs`);
         }
     }
 
     if (dailyLogContent) {
-        dataParts.push('エージェントメモ（Daily Log）:');
+        dataParts.push('Agent Notes (Daily Log):');
         dataParts.push(dailyLogContent.substring(0, 2000));
     }
 
     // No data worth highlighting
     if (dataParts.length === 0) return '';
 
     const prompt = [
-        '以下の1日のアクティビティデータから、1-3文の簡潔な日本語ハイライトを生成してください。',
-        '重要なイベントや成果を中心に。Markdown不要、プレーンテキストのみ。',
+        'From the following daily activity data, generate a concise highlight in 1-3 sentences.',
+        'Focus on important events and accomplishments. Plain text only — no Markdown.',
         '',
         dataParts.join('\n'),
     ].join('\n');

diff --git a/src/channels/chat-handlers.ts b/src/channels/chat-handlers.ts
@@ -260,7 +260,7 @@ async function buildEventData(thread: Thread, message: Message): Promise<AgentRu
     const workspacePath = getWorkspacePath(config);
     const files = await downloadAttachments(message, sessionId, workspacePath);
 
-    // Fetch channel topic for per-channel behavior control (e.g. "日本語で応答")
+    // Fetch channel topic for per-channel behavior control (e.g. "respond in Japanese")
     const channelTopic = thread.isDM ? undefined : await fetchChannelTopic(thread);
 
     // Build channel conversation context (experimental)

diff --git a/src/cli/commands/browser.ts b/src/cli/commands/browser.ts
@@ -35,9 +35,7 @@ function abRun(args: string[]): boolean {
     if (result.error) {
         const err = result.error as NodeJS.ErrnoException;
         if (err.code === 'ENOENT') {
-            process.stderr.write(
-                'agent-browser が見つかりません。bun i -g agent-browser でインストールしてください。\n',
-            );
+            process.stderr.write('agent-browser not found. Install it with: bun i -g agent-browser\n');
         } else {
             process.stderr.write(`agent-browser error: ${err.message}\n`);
         }
@@ -61,24 +59,24 @@ export function registerBrowserCommand(program: Command): void {
             spawnSync('agent-browser', ['--native', 'close'], { stdio: 'ignore' });
 
             process.stderr.write(`Opening ${targetUrl} in headed browser...\n`);
-            process.stderr.write('※ Google ログインは自動化検出制限により非対応です\n\n');
+            process.stderr.write('Note: Google login is not supported due to automation detection restrictions\n\n');
 
             if (!abRun(['--native', '--headed', 'open', targetUrl])) {
                 process.exit(1);
             }
 
-            await waitForEnter('ログインが完了したら Enter を押してください...');
+            await waitForEnter('Press Enter when login is complete...');
 
-            process.stderr.write('\n認証状態を保存中...\n');
+            process.stderr.write('\nSaving auth state...\n');
             if (!abRun(['state', 'save', BROWSER_STATE_PATH])) {
-                process.stderr.write('state save に失敗しました。\n');
+                process.stderr.write('Failed to save state.\n');
                 process.exit(1);
             }
 
             spawnSync('agent-browser', ['--native', 'close'], { stdio: 'ignore' });
 
-            process.stderr.write(`\n保存先: ${BROWSER_STATE_PATH}\n`);
-            process.stderr.write('次回のエージェント実行時に自動的に認証状態が復元されます。\n');
+            process.stderr.write(`\nSaved to: ${BROWSER_STATE_PATH}\n`);
+            process.stderr.write('Auth state will be automatically restored on the next agent run.\n');
         });
 
     browserCmd
@@ -101,10 +99,10 @@ export function registerBrowserCommand(program: Command): void {
         .description('Delete saved auth state')
         .action(() => {
             if (!existsSync(BROWSER_STATE_PATH)) {
-                process.stderr.write('認証状態ファイルが存在しません。\n');
+                process.stderr.write('Auth state file does not exist.\n');
                 return;
             }
             rmSync(BROWSER_STATE_PATH, { force: true });
-            process.stderr.write(`削除しました: ${BROWSER_STATE_PATH}\n`);
+            process.stderr.write(`Deleted: ${BROWSER_STATE_PATH}\n`);
         });
 }
diff --git a/src/cli/commands/run.ts b/src/cli/commands/run.ts
@@ -128,7 +128,7 @@ export function registerRunCommand(program: Command): void {
                 const useInteractive = useTui && !prompt;
 
                 if (useInteractive && !config.setupCompleted) {
-                    process.stderr.write('初回セットアップが未完了です。セットアップを開始します...\n');
+                    process.stderr.write('Initial setup is not complete. Starting setup...\n');
                     const { runSetupWizard } = await import('./setup.js');
                     await runSetupWizard(config, workspacePath);
                 }

diff --git a/src/cli/index.ts b/src/cli/index.ts
@@ -62,7 +62,7 @@ program.addCommand(buildSkillCommand());
 // Show help when no command is given (default Commander behavior is silent exit)
 if (process.argv.length <= 2) {
     program.outputHelp();
-    process.stderr.write('\n  はじめての方は geminiclaw setup を実行してください。\n\n');
+    process.stderr.write('\n  New here? Run geminiclaw setup to get started.\n\n');
 } else {
     program.parse();
 }
diff --git a/src/config/paths.ts b/src/config/paths.ts
@@ -10,7 +10,7 @@ import type { Config } from './schema.js';
 
 export const GEMINICLAW_HOME = join(homedir(), '.geminiclaw');
 export const CONFIG_PATH = join(GEMINICLAW_HOME, 'config.json');
-/** GeminiClaw固有のGemini CLI設定ファイル。~/.gemini/settings.jsonには書かない。 */
+/** GeminiClaw-specific Gemini CLI settings file. Never written to ~/.gemini/settings.json. */
 export const GEMINICLAW_SETTINGS_PATH = join(GEMINICLAW_HOME, 'settings.json');
 
 export const BROWSER_PROFILE_DIR = join(GEMINICLAW_HOME, 'browser-profile');

diff --git a/src/cron/cli.ts b/src/cron/cli.ts
@@ -1,8 +1,8 @@
 /**
- * cron/cli.ts — `geminiclaw cron` サブコマンド群。
+ * cron/cli.ts — `geminiclaw cron` subcommands.
  *
- * cron list / add / rm を提供する。
- * jobs.json はソースオブトゥルースなので CLI は薄いラッパーに徹する。
+ * Provides cron list / add / rm commands.
+ * jobs.json is the source of truth; the CLI is a thin wrapper around the store.
  */
 
 import { randomUUID } from 'node:crypto';
@@ -13,12 +13,12 @@ import { addJob, computeInitialNextRun, editJob, listJobs, loadRunLog, removeJob
 import type { CronJob } from './types.js';
 
 /**
- * スケジュール文字列をパースする。
+ * Parse a schedule string into a schedule object.
  *
- * 対応フォーマット:
- *   - "every 30m" / "every 2h"  → EverySchedule
- *   - "at 2026-03-01T09:00:00"  → AtSchedule
- *   - "0 9 * * *"               → CronSchedule (5 フィールド)
+ * Supported formats:
+ *   - "every 30m" / "every 2h"  -> EverySchedule
+ *   - "at 2026-03-01T09:00:00"  -> AtSchedule
+ *   - "0 9 * * *"               -> CronSchedule (5 fields)
  */
 function parseSchedule(input: string): CronJob['schedule'] {
     const trimmed = input.trim();
@@ -68,7 +68,7 @@ function formatSchedule(job: CronJob): string {
 }
 
 /**
- * `geminiclaw cron` コマンドツリーを構築して返す。
+ * Build and return the `geminiclaw cron` command tree.
  */
 export function buildCronCommand(): Command {
     const cron = new Command('cron').description('Cron job management');
@@ -99,7 +99,7 @@ export function buildCronCommand(): Command {
                 const status = j.enabled ? 'enabled ' : 'disabled';
                 const tz = j.timezone || config.timezone || undefined;
                 const next = j.nextRunAt
-                    ? new Date(j.nextRunAt).toLocaleString('ja-JP', tz ? { timeZone: tz } : undefined)
+                    ? new Date(j.nextRunAt).toLocaleString('en-US', tz ? { timeZone: tz } : undefined)
                     : '—';
                 const sched = formatSchedule(j);
                 process.stdout.write(
@@ -336,7 +336,7 @@ export function buildCronCommand(): Command {
             const tz = config.timezone || undefined;
             process.stdout.write(`Run history for ${id} (last ${entries.length}):\n\n`);
             for (const e of entries) {
-                const time = new Date(e.timestamp).toLocaleString('ja-JP', tz ? { timeZone: tz } : undefined);
+                const time = new Date(e.timestamp).toLocaleString('en-US', tz ? { timeZone: tz } : undefined);
                 const reason = e.reason ? ` — ${e.reason}` : '';
                 process.stdout.write(`  ${time}  ${e.status}${reason}\n`);
             }

diff --git a/src/mcp/admin-server.ts b/src/mcp/admin-server.ts
@@ -156,14 +156,14 @@ const TOOLS = [
 ];
 
 /**
- * skill install を直接ハンドルする。
+ * Handle skill install directly (not via CLI subprocess).
  *
- * フロー:
- *   1. staging dir に bunx skills add（無害）
- *   2. セキュリティスキャン
- *   3. safe → 即座に workspace に移動
- *   4. warning/danger → findings 付きで ask_user → ユーザー判断
- *   5. staging クリーンアップ
+ * Flow:
+ *   1. bunx skills add into a staging dir (harmless)
+ *   2. Run security scan
+ *   3. safe -> move to workspace immediately
+ *   4. warning/danger -> show findings via ask_user -> user decides
+ *   5. Clean up staging dir
  */
 async function handleSkillInstall(
     workspace: string,
@@ -172,7 +172,7 @@ async function handleSkillInstall(
     const { installSkill, confirmInstall, cleanupStaging } = await import('../skills/manager.js');
     const start = Date.now();
 
-    // args をパース: <ref> [--skill <name>] [--force]
+    // Parse args: <ref> [--skill <name>] [--force]
     const ref = args.find((a) => !a.startsWith('-'));
     if (!ref) {
         return { content: [{ type: 'text', text: 'Error: missing skill source reference' }], isError: true };
@@ -190,7 +190,7 @@ async function handleSkillInstall(
 
         const output: string[] = [];
 
-        // safe スキル: supervised モードではユーザー確認を挟む
+        // Safe skills: require user confirmation in supervised mode
         if (result.scanned.length > 0) {
             const names = result.scanned.join(', ');
             await confirmIfNeeded(workspace, 'write', `Install safe skills: ${names}`);
@@ -199,7 +199,7 @@ async function handleSkillInstall(
             }
         }
 
-        // warned スキル: findings 付きで ask_user
+        // Warned skills: show findings via ask_user
         if (result.warned.length > 0 && result._stagingDir) {
             for (const name of result.warned) {
                 const report = result.reports[name];
@@ -222,7 +222,7 @@ async function handleSkillInstall(
             }
         }
 
-        // blocked スキル
+        // Blocked skills
         for (const name of result.blocked) {
             const report = result.reports[name];
             const findingsText = report