fix: inline_query indentation & prepare for increment buttons

bot.py

@@ -7,7 +7,7 @@ import sys
 from pathlib import Path
 from typing import Dict, Any, Optional
 
-from telegram import Update
+from telegram import Update, InlineQueryResultArticle, InputTextMessageContent
 from telegram.constants import ParseMode
 from telegram.ext import (
     ApplicationBuilder,
@@ -16,6 +16,7 @@ from telegram.ext import (
     MessageHandler,
     filters,
     ChatMemberHandler,
+    InlineQueryHandler,
 )
 
 DATA_DIR = Path(os.environ.get("DATA_DIR", "/data"))
@@ -203,6 +204,73 @@ async def error_handler(update: object, context: ContextTypes.DEFAULT_TYPE):
     except Exception:
         pass
 
+# ---------------------- Inline Query ----------------------
+
+async def inline_query(update: Update, context: ContextTypes.DEFAULT_TYPE):
+    """Answer inline queries listing counters; selecting one increments it.
+
+    Hinweis: Auswahl eines Counters inkrementiert ihn und sendet den neuen Wert.
+    Usage: @DeinBot [filter]
+    """
+    if update.inline_query is None:
+        return
+    query_text = (update.inline_query.query or "").strip().lower()
+    counters: Dict[str, int] = context.bot_data.get('counters', {})
+    results = []
+    if not counters:
+        results.append(
+            InlineQueryResultArticle(
+                id="_no_counters_",
+                title="Keine Counter vorhanden",
+                description="/add <name> legt einen neuen Counter an",
+                input_message_content=InputTextMessageContent(
+                    "Noch keine Counter vorhanden. Nutze /add <name>."
+                ),
+            )
+        )
+    else:
+        # Erste Ergebniszeile ist ein Hinweis
+        results.append(
+            InlineQueryResultArticle(
+                id="_hint_",
+                title="Hinweis: Auswahl inkrementiert",
+                description="Beim Antippen eines Counters wird er um 1 erhöht",
+                input_message_content=InputTextMessageContent(
+                    "(Inline Hinweis) — Auswahl eines Counters erhöht ihn um 1."
+                ),
+            )
+        )
+        all_items = sorted(counters.items())
+        if query_text:
+            all_items = [kv for kv in all_items if query_text in kv[0]]
+        for name, value in all_items[:50]:
+            new_val = value + 1
+            results.append(
+                InlineQueryResultArticle(
+                    id=f"counter_{name}",
+                    title=f"{name} -> {new_val}",
+                    description=f"Aktuell: {value}; nach Auswahl: {new_val}",
+                    input_message_content=InputTextMessageContent(
+                        f"/increment {name}"
+                    ),
+                )
+            )
+        if len(results) == 1:  # nur Hinweis, keine Treffer
+            results.append(
+                InlineQueryResultArticle(
+                    id="_no_match_",
+                    title="Keine Treffer",
+                    description="Filter ändern oder neuen Counter anlegen",
+                    input_message_content=InputTextMessageContent(
+                        "Keine passenden Counter gefunden."
+                    ),
+                )
+            )
+    try:
+        await update.inline_query.answer(results, cache_time=0, is_personal=True)
+    except Exception as e:
+        logger.warning("Fehler beim Beantworten der Inline Query: %s", e)
+
 
 # ---------------------- Group Events ----------------------
 
@@ -325,6 +393,7 @@ def main():
     # Group / membership events
     application.add_handler(MessageHandler(filters.StatusUpdate.NEW_CHAT_MEMBERS, new_members))
     application.add_handler(ChatMemberHandler(my_chat_member, ChatMemberHandler.MY_CHAT_MEMBER))
+    application.add_handler(InlineQueryHandler(inline_query))
     # Debug raw messages (placed last with low priority)
     application.add_handler(MessageHandler(filters.ALL, debug_all_messages), group=100)
 
@@ -336,7 +405,7 @@ def main():
 
     application.run_polling(
         stop_signals=(signal.SIGINT, signal.SIGTERM),
-        allowed_updates=["message", "chat_member", "my_chat_member"],
+        allowed_updates=["message", "chat_member", "my_chat_member", "inline_query"],
     )