diff --git a/README.md b/README.md
index c8cce72..f2cefa6 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,7 @@ Prerequisites: Rust (stable), Node.js/npm, macOS. `dev.sh`/`build.sh` expect `CA
 |--------------------|----------|---------|
 | `claudeCommand`    | `claude` | Command launched in the project terminal (via `zsh -ic`, so your `.zshrc` PATH applies). |
 | `syncOnSessionEnd` | `false`  | After a session ends, commit and push the Git repository containing the project. |
+| `poolSyncDir`      | unset    | Directory to sync pool runtime data into (session transcripts, todos, prompt history — what `/resume` needs). When set, a pool's runtime files are replaced by symlinks into `<poolSyncDir>/<pool>`, so sessions travel with however that directory is synced (git, Syncthing, …). Unset: everything stays local in the pool directory. |
 
 ## Claude and Anthropic licensing
 
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index ae2746f..bd266d9 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -1205,18 +1205,30 @@ fn init_pool_config(
 const SYNCED_RUNTIME: [(&str, bool); 3] =
   [("projects", true), ("todos", true), ("history.jsonl", false)];
 
-/// Zielort der synced Runtime-Daten eines Pools im claude-projects-Repo.
-fn pool_data_dir(paths: &Paths, pool: &str) -> PathBuf {
-  paths.projects_dir().join("pool").join(pool)
+/// Sync-Ziel für Pool-Laufzeitdaten (settings.json: poolSyncDir).
+/// Ungesetzt = Feature aus, alle Daten bleiben lokal im Pool-Ordner.
+fn pool_sync_dir(paths: &Paths) -> Option<PathBuf> {
+  fs::read_to_string(paths.config_dir().join(APP_SETTINGS_FILE))
+    .ok()
+    .and_then(|s| serde_json::from_str::<serde_json::Value>(&s).ok())
+    .and_then(|v| v["poolSyncDir"].as_str().map(|d| expand_home(paths, d)))
 }
 
-/// Ersetzt im Pool-Ordner projects/todos/history.jsonl durch Symlinks auf das
-/// synced Repo. Die Symlinks sind maschinenlokal, die Daten reisen über git.
+/// Zielort der synced Runtime-Daten eines Pools unterhalb von poolSyncDir.
+fn pool_data_dir(paths: &Paths, pool: &str) -> Result<PathBuf, String> {
+  pool_sync_dir(paths)
+    .map(|d| d.join(pool))
+    .ok_or_else(|| "poolSyncDir ist nicht konfiguriert".to_string())
+}
+
+/// Ersetzt im Pool-Ordner projects/todos/history.jsonl durch Symlinks auf den
+/// konfigurierten Sync-Ordner. Die Symlinks sind maschinenlokal, die Daten
+/// reisen über den Sync des Zielordners (z. B. git).
 /// Vorhandene echte Inhalte werden verworfen (kein History-Erhalt — bewusst).
 fn link_pool_runtime_in(paths: &Paths, pool: &str) -> Result<(), String> {
   check_name(pool)?;
   let src = paths.pool_dir(pool);
-  let data = pool_data_dir(paths, pool);
+  let data = pool_data_dir(paths, pool)?;
   for (name, is_dir) in SYNCED_RUNTIME {
     let target = data.join(name);
     if is_dir {
@@ -1266,7 +1278,9 @@ fn create_apikey_pool_in(
     serde_json::json!({ "apiKeyHelper": apikey_helper_command(&dir, &id) }),
   )?;
   write_pool_json(&dir, name, "apikey")?;
-  link_pool_runtime_in(paths, &id)?;
+  if pool_sync_dir(paths).is_some() {
+    link_pool_runtime_in(paths, &id)?;
+  }
   Ok(id)
 }
 
@@ -1279,7 +1293,9 @@ fn create_oauth_pool_in(paths: &Paths, name: &str) -> Result<String, String> {
   init_pool_config(&dir, serde_json::json!({}))?;
   write_pool_json(&dir, name, "oauth")?;
   let id = dir.file_name().unwrap().to_string_lossy().into_owned();
-  link_pool_runtime_in(paths, &id)?;
+  if pool_sync_dir(paths).is_some() {
+    link_pool_runtime_in(paths, &id)?;
+  }
   Ok(id)
 }
 
@@ -2611,18 +2627,36 @@ mod tests {
   #[test]
   fn pool_anlegen_verlinkt_synced_runtime() {
     let p = tmp_paths();
+    fs::create_dir_all(p.config_dir()).unwrap();
+    fs::write(
+      p.config_dir().join(APP_SETTINGS_FILE),
+      "{ \"poolSyncDir\": \"~/claude-projects/pool\" }\n",
+    )
+    .unwrap();
     let id = make_oauth_pool(&p, "privat");
     let pooldir = p.pool_dir(&id);
     for (name, is_dir) in SYNCED_RUNTIME {
       let link = pooldir.join(name);
       assert!(link.is_symlink(), "{name} sollte Symlink sein");
-      assert_eq!(fs::read_link(&link).unwrap(), pool_data_dir(&p, &id).join(name));
-      let target = pool_data_dir(&p, &id).join(name);
+      assert_eq!(fs::read_link(&link).unwrap(), pool_data_dir(&p, &id).unwrap().join(name));
+      let target = pool_data_dir(&p, &id).unwrap().join(name);
       assert_eq!(target.is_dir(), is_dir);
       assert!(target.exists());
     }
-    // Zieldaten liegen im claude-projects-Repo unter pool/<id>/
-    assert!(p.projects_dir().join("pool").join(&id).is_dir());
+    // Zieldaten liegen unter dem konfigurierten poolSyncDir/<id>/
+    assert!(p.home.join("claude-projects/pool").join(&id).is_dir());
+  }
+
+  /// Ohne poolSyncDir bleibt alles lokal: keine Symlinks, Verlinken scheitert laut.
+  #[test]
+  fn pool_anlegen_ohne_sync_dir_bleibt_lokal() {
+    let p = tmp_paths();
+    let id = make_oauth_pool(&p, "privat");
+    for (name, _) in SYNCED_RUNTIME {
+      assert!(!p.pool_dir(&id).join(name).is_symlink(), "{name} darf kein Symlink sein");
+    }
+    let err = link_pool_runtime_in(&p, &id).unwrap_err();
+    assert!(err.contains("poolSyncDir"));
   }
 
   #[test]