feat(agent-office): issue_* 텔레그램 콜백 디스패치

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

agent-office/app/telegram/webhook.py

@@ -40,6 +40,9 @@ async def _handle_callback(callback_query: dict) -> Optional[dict]:
     if callback_id.startswith("render_"):
         return await _handle_insta_render(callback_query, callback_id)
 
+    if callback_id.startswith("issue_"):
+        return await _handle_insta_issue(callback_query, callback_id)
+
     cb = get_telegram_callback(callback_id)
     if not cb:
         return None
@@ -132,6 +135,40 @@ async def _handle_insta_render(callback_query: dict, callback_id: str) -> dict:
         return {"ok": False, "error": str(e)}
 
 
+async def _handle_insta_issue(callback_query: dict, callback_id: str) -> dict:
+    """issue_{approve|reject|regen}_{slate_id} 콜백 → InstaAgent.on_callback.
+
+    callback_data 예시: issue_approve_8, issue_reject_8, issue_regen_8
+    InstaAgent.on_callback("issue_approve" | "issue_reject" | "issue_regen", {"slate_id": <int>}) 로 dispatch.
+    """
+    from .messaging import send_raw
+    from ..agents import AGENT_REGISTRY
+
+    await api_call(
+        "answerCallbackQuery",
+        {"callback_query_id": callback_query["id"], "text": "처리 중..."},
+    )
+
+    try:
+        rest = callback_id.removeprefix("issue_")   # 예: "approve_8"
+        verb, sid = rest.rsplit("_", 1)             # ("approve", "8")
+        slate_id = int(sid)
+    except (ValueError, AttributeError):
+        await send_raw("⚠️ 잘못된 issue 콜백 데이터")
+        return {"ok": False, "error": "invalid_callback_data"}
+
+    agent = AGENT_REGISTRY.get("insta")
+    if not agent:
+        await send_raw("⚠️ insta agent 미등록")
+        return {"ok": False, "error": "agent_missing"}
+
+    try:
+        return await agent.on_callback(f"issue_{verb}", {"slate_id": slate_id})
+    except Exception as e:
+        await send_raw(f"⚠️ issue 콜백 처리 실패: {e}")
+        return {"ok": False, "error": str(e)}
+
+
 async def _handle_message(message: dict, agent_dispatcher) -> Optional[dict]:
     """슬래시 명령 메시지 처리."""
     from .router import parse_command, resolve_agent_command, HELP_TEXT