fix(webhook): raw newline strings → \n escape (SyntaxError crash)

backend/api/telegram_webhook.py

@@ -1057,11 +1057,8 @@ async def _cmd_coord(chat_id: int) -> None:
 
     if not rows:
         await _tg_reply(chat_id,
-            "🔗 <b>Agent Coord</b>
-
-"
-            "ℹ️ Nessuna sessione registrata.
-<i>Tutti i file sono liberi.</i>",
+            "🔗 <b>Agent Coord</b>\n\n"
+            "ℹ️ Nessuna sessione registrata.\n<i>Tutti i file sono liberi.</i>",
             keyboard=_BACK_KB)
         return
 
@@ -1090,8 +1087,7 @@ async def _cmd_coord(chat_id: int) -> None:
         for s in stale:
             out.append(f"  {html.escape(s['name'])} · {_age_str(s['age_ms'])} fa")
 
-    await _tg_reply(chat_id, "
-".join(out), keyboard=_BACK_KB)
+    await _tg_reply(chat_id, "\n".join(out), keyboard=_BACK_KB)
 
 
 async def _cmd_git(chat_id: int, n: int = 5) -> None:
@@ -1143,27 +1139,23 @@ async def _cmd_git(chat_id: int, n: int = 5) -> None:
         except Exception:
             return "?"
 
-    lines = [f"🔀 <b>Git log — main</b> ({_gh_repo})
-"]
+    lines = [f"🔀 <b>Git log — main</b> ({_gh_repo})\n"]
     for c in commits:
         _sha     = (c.get("sha") or "")[:7]
         _commit  = c.get("commit") or {}
-        _msg_raw = (_commit.get("message") or "").split("
-")[0][:52]
+        _msg_raw = (_commit.get("message") or "").split("\n")[0][:52]
         _msg     = html.escape(_msg_raw)
         _author  = html.escape((_commit.get("author") or {}).get("name", "?")[:18])
         _date    = (_commit.get("committer") or {}).get("date", "")
         _when    = _age(_date)
         _url     = f"https://github.com/{_gh_repo}/commit/{c.get('sha','')}"
         lines.append(
-            f"<code>{html.escape(_sha)}</code> {_msg}
-"
+            f"<code>{html.escape(_sha)}</code> {_msg}\n"
             f"  <i>{_author} · {_when}</i>  "
             f"<a href="{_url}">diff →</a>"
         )
 
-    await _tg_reply(chat_id, "
-".join(lines), keyboard=_BACK_KB)
+    await _tg_reply(chat_id, "\n".join(lines), keyboard=_BACK_KB)
 
 async def _cmd_telemetry(chat_id: int) -> None:
     """📡 Metriche runtime live: /api/telemetry + /debug/timing da Railway."""