diff --git a/LifeOS/install/LIFEOS/TOOLS/InstallWorkSweep.ts b/LifeOS/install/LIFEOS/TOOLS/InstallWorkSweep.ts
index aff4ff2154..64cfb8518c 100644
--- a/LifeOS/install/LIFEOS/TOOLS/InstallWorkSweep.ts
+++ b/LifeOS/install/LIFEOS/TOOLS/InstallWorkSweep.ts
@@ -1,16 +1,24 @@
 #!/usr/bin/env bun
 /**
- * InstallWorkSweep.ts — Materialize com.lifeos.worksweep.plist.template and bootstrap it.
+ * InstallWorkSweep.ts — Materialize the WorkSweep scheduler unit(s) and bootstrap them.
  *
  *   bun ~/.claude/LIFEOS/TOOLS/InstallWorkSweep.ts             # install
  *   bun ~/.claude/LIFEOS/TOOLS/InstallWorkSweep.ts --uninstall # remove
  *   bun ~/.claude/LIFEOS/TOOLS/InstallWorkSweep.ts --status    # check
  *
- * Reads $HOME, substitutes {{HOME}} in the template, writes
- * ~/Library/LaunchAgents/com.lifeos.worksweep.plist, and runs `launchctl bootstrap`.
+ * Two backends, chosen by `process.platform` (same pattern as
+ * LIFEOS/PULSE/manage.sh — macOS uses launchd, Linux uses systemd --user):
  *
- * Idempotent. Re-running install bootouts the prior load before bootstrapping
- * the fresh plist.
+ *  - darwin: materializes com.lifeos.worksweep.plist.template into
+ *    ~/Library/LaunchAgents/ and bootstraps it with launchctl.
+ *  - linux: materializes com.lifeos.worksweep.{service,timer}.template into
+ *    ~/.config/systemd/user/ and enables the timer with systemctl --user.
+ *    Requires `loginctl enable-linger $USER` for the timer to survive logout
+ *    (same requirement PULSE/manage.sh documents for com.lifeos.pulse).
+ *
+ * Both back ends read $HOME + `which bun` at install time, substitute
+ * {{HOME}}/{{BUN}}/{{BUN_DIR}} placeholders, and are idempotent — re-running
+ * install tears down the prior unit before installing the fresh one.
  */
 
 import { existsSync, readFileSync, writeFileSync, mkdirSync, unlinkSync } from "fs";
@@ -19,78 +27,99 @@ import { join } from "path";
 declare const Bun: { spawn: (cmd: string[], opts?: any) => any };
 
 const HOME = process.env.HOME || "";
-const TEMPLATE_PATH = join(HOME, ".claude", "LIFEOS", "TOOLS", "com.lifeos.worksweep.plist.template");
-const LAUNCH_AGENTS_DIR = join(HOME, "Library", "LaunchAgents");
-const TARGET_PLIST = join(LAUNCH_AGENTS_DIR, "com.lifeos.worksweep.plist");
 const LABEL = "com.lifeos.worksweep";
+const IS_LINUX = process.platform === "linux";
 
-async function uid(): Promise<string> {
-  const proc = Bun.spawn(["id", "-u"], { stdout: "pipe", stderr: "ignore" });
-  const out = await new Response(proc.stdout).text();
-  await proc.exited;
-  return out.trim();
-}
+// ── darwin (launchd) paths ──
+const PLIST_TEMPLATE_PATH = join(HOME, ".claude", "LIFEOS", "TOOLS", "com.lifeos.worksweep.plist.template");
+const LAUNCH_AGENTS_DIR = join(HOME, "Library", "LaunchAgents");
+const TARGET_PLIST = join(LAUNCH_AGENTS_DIR, `${LABEL}.plist`);
 
-async function launchctl(args: string[]): Promise<{ ok: boolean; out: string; err: string }> {
-  const proc = Bun.spawn(["launchctl", ...args], { stdout: "pipe", stderr: "pipe" });
+// ── linux (systemd --user) paths ──
+const SERVICE_TEMPLATE_PATH = join(HOME, ".claude", "LIFEOS", "TOOLS", "com.lifeos.worksweep.service.template");
+const TIMER_TEMPLATE_PATH = join(HOME, ".claude", "LIFEOS", "TOOLS", "com.lifeos.worksweep.timer.template");
+const SYSTEMD_USER_DIR = join(HOME, ".config", "systemd", "user");
+const TARGET_SERVICE = join(SYSTEMD_USER_DIR, `${LABEL}.service`);
+const TARGET_TIMER = join(SYSTEMD_USER_DIR, `${LABEL}.timer`);
+const TIMER_UNIT = `${LABEL}.timer`;
+
+async function run(cmd: string[]): Promise<{ ok: boolean; out: string; err: string }> {
+  const proc = Bun.spawn(cmd, { stdout: "pipe", stderr: "pipe" });
   const out = await new Response(proc.stdout).text();
   const err = await new Response(proc.stderr).text();
   const exit = await proc.exited;
   return { ok: exit === 0, out, err };
 }
 
+async function uid(): Promise<string> {
+  const r = await run(["id", "-u"]);
+  return r.out.trim();
+}
+
+async function username(): Promise<string> {
+  // Prefer `id -un` over process.env.USER — USER isn't guaranteed to be set
+  // in every invoking environment (e.g. some non-interactive shells), and an
+  // empty string would make `loginctl enable-linger ""` fail silently.
+  const r = await run(["id", "-un"]);
+  return r.out.trim();
+}
+
 async function detectBun(): Promise<string> {
   // Detect bun via `which bun` — survives different install paths (homebrew, ~/.bun, asdf).
-  const proc = Bun.spawn(["which", "bun"], { stdout: "pipe", stderr: "ignore" });
-  const out = await new Response(proc.stdout).text();
-  await proc.exited;
-  const path = out.trim();
+  const r = await run(["which", "bun"]);
+  const path = r.out.trim();
   if (!path) throw new Error("bun not found in PATH — install bun first");
   return path;
 }
 
-async function install(): Promise<void> {
-  if (!existsSync(TEMPLATE_PATH)) {
-    console.error(`[InstallWorkSweep] template missing at ${TEMPLATE_PATH}`);
+function materialize(templatePath: string, bunPath: string, bunDir: string): string {
+  const template = readFileSync(templatePath, "utf-8");
+  return template
+    .replace(/\{\{HOME\}\}/g, HOME)
+    .replace(/\{\{BUN\}\}/g, bunPath)
+    .replace(/\{\{BUN_DIR\}\}/g, bunDir);
+}
+
+// ── darwin (launchd) ──
+
+async function installDarwin(): Promise<void> {
+  if (!existsSync(PLIST_TEMPLATE_PATH)) {
+    console.error(`[InstallWorkSweep] template missing at ${PLIST_TEMPLATE_PATH}`);
     process.exit(1);
   }
   const bunPath = await detectBun();
   const bunDir = bunPath.replace(/\/bun$/, "");
   console.log(`[InstallWorkSweep] detected bun at ${bunPath}`);
-  const template = readFileSync(TEMPLATE_PATH, "utf-8");
-  const materialized = template
-    .replace(/\{\{HOME\}\}/g, HOME)
-    .replace(/\{\{BUN\}\}/g, bunPath)
-    .replace(/\{\{BUN_DIR\}\}/g, bunDir);
+  const materialized = materialize(PLIST_TEMPLATE_PATH, bunPath, bunDir);
   if (!existsSync(LAUNCH_AGENTS_DIR)) mkdirSync(LAUNCH_AGENTS_DIR, { recursive: true });
 
   // Idempotent bootout (ignore failures — first install has nothing to remove)
   const u = await uid();
   if (existsSync(TARGET_PLIST)) {
-    await launchctl(["bootout", `gui/${u}`, TARGET_PLIST]);
+    await run(["launchctl", "bootout", `gui/${u}`, TARGET_PLIST]);
   }
 
   writeFileSync(TARGET_PLIST, materialized);
   console.log(`[InstallWorkSweep] wrote ${TARGET_PLIST}`);
 
-  const r = await launchctl(["bootstrap", `gui/${u}`, TARGET_PLIST]);
+  const r = await run(["launchctl", "bootstrap", `gui/${u}`, TARGET_PLIST]);
   if (!r.ok) {
     console.error(`[InstallWorkSweep] bootstrap failed: ${r.err.trim()}`);
     process.exit(1);
   }
   console.log(`[InstallWorkSweep] launchd bootstrap OK — ${LABEL} active`);
 
-  const status = await launchctl(["print", `gui/${u}/${LABEL}`]);
+  const status = await run(["launchctl", "print", `gui/${u}/${LABEL}`]);
   if (status.ok) {
     const stateLine = status.out.split("\n").find((l) => l.includes("state ="));
     console.log(`[InstallWorkSweep] ${stateLine?.trim() ?? "state unknown"}`);
   }
 }
 
-async function uninstall(): Promise<void> {
+async function uninstallDarwin(): Promise<void> {
   const u = await uid();
   if (existsSync(TARGET_PLIST)) {
-    const r = await launchctl(["bootout", `gui/${u}`, TARGET_PLIST]);
+    const r = await run(["launchctl", "bootout", `gui/${u}`, TARGET_PLIST]);
     console.log(`[InstallWorkSweep] bootout ${r.ok ? "OK" : "FAILED: " + r.err.trim()}`);
     try { unlinkSync(TARGET_PLIST); console.log(`[InstallWorkSweep] removed ${TARGET_PLIST}`); } catch {}
   } else {
@@ -98,9 +127,9 @@ async function uninstall(): Promise<void> {
   }
 }
 
-async function status(): Promise<void> {
+async function statusDarwin(): Promise<void> {
   const u = await uid();
-  const r = await launchctl(["print", `gui/${u}/${LABEL}`]);
+  const r = await run(["launchctl", "print", `gui/${u}/${LABEL}`]);
   if (!r.ok) {
     console.log(`[InstallWorkSweep] ${LABEL} not loaded`);
     process.exit(1);
@@ -108,11 +137,70 @@ async function status(): Promise<void> {
   console.log(r.out);
 }
 
+// ── linux (systemd --user) ──
+
+async function installLinux(): Promise<void> {
+  if (!existsSync(SERVICE_TEMPLATE_PATH) || !existsSync(TIMER_TEMPLATE_PATH)) {
+    console.error(`[InstallWorkSweep] template missing — expected ${SERVICE_TEMPLATE_PATH} and ${TIMER_TEMPLATE_PATH}`);
+    process.exit(1);
+  }
+  const bunPath = await detectBun();
+  const bunDir = bunPath.replace(/\/bun$/, "");
+  console.log(`[InstallWorkSweep] detected bun at ${bunPath}`);
+
+  if (!existsSync(SYSTEMD_USER_DIR)) mkdirSync(SYSTEMD_USER_DIR, { recursive: true });
+
+  // Idempotent teardown (ignore failures — first install has nothing to remove)
+  await run(["systemctl", "--user", "disable", "--now", TIMER_UNIT]);
+
+  writeFileSync(TARGET_SERVICE, materialize(SERVICE_TEMPLATE_PATH, bunPath, bunDir));
+  writeFileSync(TARGET_TIMER, materialize(TIMER_TEMPLATE_PATH, bunPath, bunDir));
+  console.log(`[InstallWorkSweep] wrote ${TARGET_SERVICE}`);
+  console.log(`[InstallWorkSweep] wrote ${TARGET_TIMER}`);
+
+  await run(["systemctl", "--user", "daemon-reload"]);
+
+  // Survive logout/reboot, same requirement PULSE/manage.sh documents for com.lifeos.pulse.
+  await run(["loginctl", "enable-linger", await username()]);
+
+  const r = await run(["systemctl", "--user", "enable", "--now", TIMER_UNIT]);
+  if (!r.ok) {
+    console.error(`[InstallWorkSweep] enable --now failed: ${r.err.trim()}`);
+    process.exit(1);
+  }
+  console.log(`[InstallWorkSweep] systemd timer enabled — ${TIMER_UNIT} active`);
+
+  const list = await run(["systemctl", "--user", "list-timers", TIMER_UNIT, "--no-pager"]);
+  if (list.ok) console.log(list.out.trim());
+}
+
+async function uninstallLinux(): Promise<void> {
+  await run(["systemctl", "--user", "disable", "--now", TIMER_UNIT]);
+  let removed = false;
+  for (const f of [TARGET_SERVICE, TARGET_TIMER]) {
+    if (existsSync(f)) {
+      try { unlinkSync(f); console.log(`[InstallWorkSweep] removed ${f}`); removed = true; } catch {}
+    }
+  }
+  if (!removed) console.log(`[InstallWorkSweep] no unit files found — nothing to do`);
+  await run(["systemctl", "--user", "daemon-reload"]);
+}
+
+async function statusLinux(): Promise<void> {
+  const r = await run(["systemctl", "--user", "status", TIMER_UNIT, "--no-pager"]);
+  console.log(r.out || r.err);
+  const list = await run(["systemctl", "--user", "list-timers", TIMER_UNIT, "--no-pager"]);
+  if (list.ok) console.log(list.out.trim());
+  if (!r.ok) process.exit(1);
+}
+
+// ── dispatch ──
+
 async function main(): Promise<void> {
   const arg = process.argv[2];
-  if (arg === "--uninstall") return uninstall();
-  if (arg === "--status") return status();
-  return install();
+  if (arg === "--uninstall") return IS_LINUX ? uninstallLinux() : uninstallDarwin();
+  if (arg === "--status") return IS_LINUX ? statusLinux() : statusDarwin();
+  return IS_LINUX ? installLinux() : installDarwin();
 }
 
 if (import.meta.main) {
diff --git a/LifeOS/install/LIFEOS/TOOLS/com.lifeos.worksweep.service.template b/LifeOS/install/LIFEOS/TOOLS/com.lifeos.worksweep.service.template
new file mode 100644
index 0000000000..8ec7e9daf7
--- /dev/null
+++ b/LifeOS/install/LIFEOS/TOOLS/com.lifeos.worksweep.service.template
@@ -0,0 +1,26 @@
+# com.lifeos.worksweep.service.template — Source template (Linux/systemd --user).
+# Install via:
+#   bun ~/.claude/LIFEOS/TOOLS/InstallWorkSweep.ts
+#
+# The installer reads $HOME at install time, substitutes {{HOME}}/{{BUN}}/{{BUN_DIR}}
+# placeholders, writes the materialized unit to ~/.config/systemd/user/, and
+# enables it via systemctl --user. This template stays clean of principal-specific
+# paths so it ships in the public LifeOS release, mirroring the macOS
+# com.lifeos.worksweep.plist.template (same cadence, same log target).
+#
+# Behavior: one-shot run of WorkSweep.ts, triggered by the paired .timer unit
+# (com.lifeos.worksweep.timer — every 60 minutes, once ~2min after boot).
+# stdout/stderr captured to MEMORY/STATE/com.lifeos.worksweep.log, same as the
+# launchd StandardOutPath/StandardErrorPath.
+
+[Unit]
+Description=LifeOS Work Sweep — periodic Work System capture (session catch-up, stale flagging, project checks, TELOS goals)
+
+[Service]
+Type=oneshot
+ExecStart={{BUN}} {{HOME}}/.claude/LIFEOS/TOOLS/WorkSweep.ts
+WorkingDirectory={{HOME}}/.claude
+Environment=HOME={{HOME}}
+Environment=PATH={{BUN_DIR}}:/usr/local/bin:/usr/bin:/bin
+StandardOutput=append:{{HOME}}/.claude/LIFEOS/MEMORY/STATE/com.lifeos.worksweep.log
+StandardError=append:{{HOME}}/.claude/LIFEOS/MEMORY/STATE/com.lifeos.worksweep.log
diff --git a/LifeOS/install/LIFEOS/TOOLS/com.lifeos.worksweep.timer.template b/LifeOS/install/LIFEOS/TOOLS/com.lifeos.worksweep.timer.template
new file mode 100644
index 0000000000..49f4eb09c5
--- /dev/null
+++ b/LifeOS/install/LIFEOS/TOOLS/com.lifeos.worksweep.timer.template
@@ -0,0 +1,16 @@
+# com.lifeos.worksweep.timer.template — pairs with com.lifeos.worksweep.service.template.
+# Equivalent to the launchd plist's RunAtLoad + StartInterval 3600 + ThrottleInterval 60:
+#   OnBootSec fires once ~2min after boot, OnUnitActiveSec repeats hourly from the
+#   last run, and systemd's own crash-loop handling covers the throttle case.
+
+[Unit]
+Description=LifeOS Work Sweep timer — hourly
+
+[Timer]
+OnBootSec=2min
+OnUnitActiveSec=60min
+Persistent=true
+Unit=com.lifeos.worksweep.service
+
+[Install]
+WantedBy=timers.target