diff --git a/app/routes/scheduled_scripts.py b/app/routes/scheduled_scripts.py
index c7e7bfd..3026a69 100644
--- a/app/routes/scheduled_scripts.py
+++ b/app/routes/scheduled_scripts.py
@@ -1,4 +1,6 @@
 import html
+import os
+from pathlib import Path
 
 from fastapi import APIRouter, Depends, Form, HTTPException, Request
 from fastapi.responses import HTMLResponse, RedirectResponse
@@ -18,6 +20,13 @@ from app.routes.deployments import render_status_pill
 from app.templates.layout import page
 
 router = APIRouter()
+MAINTENANCE_DIR = Path("/opt/appfactory/workspace/appfactory-tools/maintenance")
+MAX_SCRIPT_BYTES = 100 * 1024
+DEFAULT_SCRIPT_CONTENT = """#!/usr/bin/env bash
+set -euo pipefail
+
+echo "TODO"
+"""
 SCHEDULE_TYPES = ("hourly", "daily", "weekly", "monthly")
 SCHEDULE_LABELS = {
     "hourly": "každou hodinu",
@@ -31,6 +40,10 @@ def clean_optional(value: str | None) -> str:
     return (value or "").strip()
 
 
+def is_admin(user) -> bool:
+    return (user.get("role") or "").lower() == "admin"
+
+
 def render_bool(value) -> str:
     return "Ano" if value else "Ne"
 
@@ -71,6 +84,64 @@ def validate_script_name(value: str) -> str:
     return script_name
 
 
+def script_path(script_name: str) -> Path:
+    safe_name = validate_script_name(script_name)
+    path = (MAINTENANCE_DIR / safe_name).resolve()
+    base = MAINTENANCE_DIR.resolve()
+    try:
+        path.relative_to(base)
+    except ValueError:
+        raise HTTPException(status_code=400, detail="Neplatný název skriptu")
+    return path
+
+
+def read_script_file(script_name: str) -> dict:
+    path = script_path(script_name)
+    if not path.exists():
+        return {
+            "exists": False,
+            "content": DEFAULT_SCRIPT_CONTENT,
+            "error": None,
+            "warning": "Soubor zatím neexistuje. Můžete ho vytvořit z výchozího obsahu.",
+        }
+    if not path.is_file():
+        return {"exists": False, "content": "", "error": "Cesta není soubor.", "warning": None}
+    try:
+        if path.stat().st_size > MAX_SCRIPT_BYTES:
+            return {"exists": True, "content": "", "error": "Soubor je větší než 100 KB.", "warning": None}
+        content = path.read_text(encoding="utf-8")
+    except Exception:
+        return {"exists": True, "content": "", "error": "Soubor se nepodařilo načíst.", "warning": None}
+
+    warning = None
+    if not content.startswith("#!/usr/bin/env bash"):
+        warning = "První řádek by měl být #!/usr/bin/env bash."
+    return {"exists": True, "content": content, "error": None, "warning": warning}
+
+
+def normalize_script_content(content: str) -> str:
+    value = content.replace("\r\n", "\n").replace("\r", "\n")
+    if not value.strip():
+        raise HTTPException(status_code=400, detail="Obsah skriptu nesmí být prázdný")
+    if len(value.encode("utf-8")) > MAX_SCRIPT_BYTES:
+        raise HTTPException(status_code=400, detail="Obsah skriptu je větší než 100 KB")
+    if not value.startswith("#!/usr/bin/env bash"):
+        value = "#!/usr/bin/env bash\n" + value.lstrip("\n")
+    if len(value.encode("utf-8")) > MAX_SCRIPT_BYTES:
+        raise HTTPException(status_code=400, detail="Obsah skriptu je větší než 100 KB")
+    return value
+
+
+def save_script_file(script_name: str, content: str) -> None:
+    path = script_path(script_name)
+    value = normalize_script_content(content)
+    try:
+        path.write_text(value, encoding="utf-8", newline="\n")
+        os.chmod(path, 0o755)
+    except Exception:
+        raise HTTPException(status_code=500, detail="Soubor se nepodařilo uložit")
+
+
 def validate_schedule_type(value: str) -> str:
     schedule_type = clean_optional(value)
     if schedule_type not in SCHEDULE_TYPES:
@@ -158,6 +229,56 @@ def render_form(script: dict | None, action: str, include_script_name: bool) ->
     """
 
 
+def render_script_content_section(script: dict, user: dict) -> str:
+    script_name = script.get("script_name", "") or ""
+    script_name_html = html.escape(script_name)
+    try:
+        script_file = read_script_file(script_name)
+    except HTTPException:
+        script_file = {
+            "exists": False,
+            "content": "",
+            "error": "Název skriptu není bezpečný.",
+            "warning": None,
+        }
+    content = html.escape(script_file.get("content", "") or "")
+    warning = ""
+    if script_file.get("warning"):
+        warning = f'<p class="alert">{script_file["warning"]}</p>'
+    error = ""
+    if script_file.get("error"):
+        error = f'<p class="alert alert-danger">{script_file["error"]}</p>'
+
+    if not is_admin(user):
+        readonly_hint = '<p class="muted">Obsah skriptu je dostupn&yacute; pouze pro &ccaron;ten&iacute;. Ukl&aacute;dat m&uring;&zcaron;e jen administr&aacute;tor.</p>'
+        return f"""
+        <div class="card">
+            <h2>Obsah skriptu</h2>
+            <p><strong>Soubor:</strong> {script_name_html}</p>
+            {warning}
+            {error}
+            {readonly_hint}
+            <textarea rows="18" readonly>{content}</textarea>
+        </div>
+        """
+
+    return f"""
+        <div class="card">
+            <h2>Obsah skriptu</h2>
+            <p><strong>Soubor:</strong> {script_name_html}</p>
+            {warning}
+            {error}
+            <form method="post" action="/portal/scheduled-scripts/{html.escape(str(script.get("id")))}/script" class="metadata-form">
+                <label>Obsah souboru</label>
+                <textarea name="content" rows="22" spellcheck="false">{content}</textarea>
+                <div class="form-actions">
+                    <button type="submit">Ulo&zcaron;it skript</button>
+                </div>
+            </form>
+        </div>
+    """
+
+
 @router.get("/scheduled-scripts", response_class=HTMLResponse)
 def scheduled_scripts_page(request: Request, user=Depends(require_user)):
     scripts = get_scheduled_scripts()
@@ -303,6 +424,7 @@ def scheduled_script_detail(script_id: int, request: Request, user=Depends(requi
                 <button type="submit" class="danger">Smazat</button>
             </form>
         """
+    script_content_section = render_script_content_section(script, user)
 
     return page(
         html.escape(script.get("name", "") or "Pl&aacute;novan&yacute; skript"),
@@ -342,6 +464,8 @@ def scheduled_script_detail(script_id: int, request: Request, user=Depends(requi
                 <tr><th>Posledn&iacute; &uacute;loha</th><td>{last_job}</td></tr>
             </table>
         </div>
+
+        {script_content_section}
         """,
         user=user,
     )
@@ -420,6 +544,32 @@ def run_scheduled_script_now(script_id: int, user=Depends(require_user)):
     return RedirectResponse(url=f"/portal/jobs/{job_id}", status_code=303)
 
 
+@router.post("/scheduled-scripts/{script_id}/script")
+def update_scheduled_script_file(
+    script_id: int,
+    content: str = Form(...),
+    user=Depends(require_user),
+):
+    if not is_admin(user):
+        raise HTTPException(status_code=403, detail="Skript m&uring;&zcaron;e upravit pouze administr&aacute;tor")
+    script = get_scheduled_script(script_id)
+    if not script:
+        raise HTTPException(status_code=404, detail="Scheduled script not found")
+    script_name = validate_script_name(script.get("script_name", "") or "")
+    save_script_file(script_name, content)
+    log_audit_event(
+        user,
+        action="scheduled_script.file_updated",
+        target_type="scheduled_script",
+        target_id=script_id,
+        metadata={
+            "scheduled_script_id": script_id,
+            "script_name": script_name,
+        },
+    )
+    return RedirectResponse(url=f"/portal/scheduled-scripts/{script_id}", status_code=303)
+
+
 @router.post("/scheduled-scripts/{script_id}/toggle")
 def toggle_scheduled_script(script_id: int, user=Depends(require_user)):
     script = get_scheduled_script(script_id)