Paginate update list output

services/updates.py

@@ -14,16 +14,16 @@ def detect_pkg_manager() -> str | None:
     return None
 
 
-async def list_updates() -> str:
+async def list_updates() -> tuple[str, list[str]]:
     pm = detect_pkg_manager()
     if not pm:
-        return "⚠️ No supported package manager found"
+        return "⚠️ Updates", ["No supported package manager found"]
 
     if pm == "apt":
         await run_cmd(["sudo", "apt", "update"], timeout=300)
         rc, out = await run_cmd(["apt", "list", "--upgradable"], timeout=120)
         if rc != 0:
-            return f"❌ apt list failed\n```{out}```"
+            return "❌ Updates (apt)", [f"apt list failed: {out}"]
 
         lines = []
         for line in out.splitlines():
@@ -47,26 +47,32 @@ async def list_updates() -> str:
             else:
                 lines.append(f"{name}: -> {new_ver}")
 
-        body = "\n".join(lines) if lines else "No updates"
-        return f"📦 Updates (apt)\n```{body}```"
+        if not lines:
+            lines = ["No updates"]
+        return "📦 Updates (apt)", lines
 
     if pm == "dnf":
         rc, out = await run_cmd(["sudo", "dnf", "check-update"], timeout=300)
         if rc in (0, 100):
-            return f"📦 Updates (dnf)\n```{out}```"
-        return f"❌ dnf check-update failed\n```{out}```"
+            lines = out.splitlines() or ["No updates"]
+            return "📦 Updates (dnf)", lines
+        return "❌ Updates (dnf)", [f"dnf check-update failed: {out}"]
 
     if pm == "yum":
         rc, out = await run_cmd(["sudo", "yum", "check-update"], timeout=300)
         if rc in (0, 100):
-            return f"📦 Updates (yum)\n```{out}```"
-        return f"❌ yum check-update failed\n```{out}```"
+            lines = out.splitlines() or ["No updates"]
+            return "📦 Updates (yum)", lines
+        return "❌ Updates (yum)", [f"yum check-update failed: {out}"]
 
     if pm == "pacman":
         rc, out = await run_cmd(["pacman", "-Qu"], timeout=120)
-        return f"📦 Updates (pacman)\n```{out}```" if rc == 0 else f"❌ pacman -Qu failed\n```{out}```"
+        if rc == 0:
+            lines = out.splitlines() or ["No updates"]
+            return "📦 Updates (pacman)", lines
+        return "❌ Updates (pacman)", [f"pacman -Qu failed: {out}"]
 
-    return "⚠️ Unsupported package manager"
+    return "⚠️ Updates", ["Unsupported package manager"]
 
 
 async def apply_updates() -> str: