diff --git a/plugins/ai_auto_response/core/reply_formatter.py b/plugins/ai_auto_response/core/reply_formatter.py
index 059c2dd..79eac1c 100644
--- a/plugins/ai_auto_response/core/reply_formatter.py
+++ b/plugins/ai_auto_response/core/reply_formatter.py
@@ -12,7 +12,7 @@ def finalize_reply(response: str, reply_mode: str) -> List[str]:
     text = text.replace("\n", " ").strip()
 
     if reply_mode == "social_short":
-        return [take_first_sentence(text, 12).strip()]
+        return [take_first_sentence(text, 18).strip()]
     if reply_mode == "qa_fast":
         return split_reply_chunks(text, sentence_limit=2, char_limit=28, chunk_limit=2)
     if reply_mode == "qa_with_context":
@@ -76,12 +76,18 @@ def smart_clip(text: str, limit: int) -> str:
     if len(text) <= limit:
         return text
     window = text[:limit]
-    punctuation = "，,、；;：:。！？!?）)】]」』 "
-    split_at = -1
-    for idx in range(len(window) - 1, max(len(window) - 10, 0) - 1, -1):
-        if window[idx] in punctuation:
-            split_at = idx
-            break
+    strong_punctuation = "。！？!?）)】]」』 "
+    weak_punctuation = "，,、；;：:"
+    split_at = _find_split_at(window, strong_punctuation)
+    if split_at < 0:
+        split_at = _find_split_at(window, weak_punctuation, lookback=4)
     if split_at >= 0:
         return window[:split_at].rstrip("，,、；;：:。！？!? ").strip()
     return window.rstrip("，,、；;：: ").strip()
+
+
+def _find_split_at(window: str, punctuation: str, lookback: int = 10) -> int:
+    for idx in range(len(window) - 1, max(len(window) - lookback, 0) - 1, -1):
+        if window[idx] in punctuation:
+            return idx
+    return -1
diff --git a/plugins/ai_auto_response/core/response_planner.py b/plugins/ai_auto_response/core/response_planner.py
index 5b965f1..8225888 100644
--- a/plugins/ai_auto_response/core/response_planner.py
+++ b/plugins/ai_auto_response/core/response_planner.py
@@ -8,7 +8,9 @@ class ResponsePlanner:
         if trigger.get("is_question"):
             return "qa_with_context" if flow_state in {"engaged", "deep_engaged"} else "qa_fast"
         if trigger.get("is_followup"):
-            return "qa_with_context"
+            if trigger.get("is_directed"):
+                return "qa_with_context" if flow_state in {"engaged", "deep_engaged"} else "qa_fast"
+            return "social_short"
         if trigger.get("is_social_call"):
             return "social_short"
         if trigger.get("is_returning_member"):
@@ -35,7 +37,13 @@ class ResponsePlanner:
         if trigger.get("is_question"):
             return directed or trigger.get("priority", 0) >= 0.9 or flow_state in {"warming", "engaged", "deep_engaged"}
         if trigger.get("is_followup"):
-            return directed or flow_state in {"warming", "engaged", "deep_engaged"} or acceptance_state == "warm"
+            if directed:
+                return True
+            return (
+                flow_state in {"engaged", "deep_engaged"}
+                and acceptance_state == "warm"
+                and bool(trigger.get("topic"))
+            )
         if trigger.get("is_social_call"):
             if acceptance_state == "cold":
                 return False
diff --git a/plugins/ai_auto_response/core/triggers.py b/plugins/ai_auto_response/core/triggers.py
index 82cbdcd..14d95c9 100644
--- a/plugins/ai_auto_response/core/triggers.py
+++ b/plugins/ai_auto_response/core/triggers.py
@@ -57,9 +57,11 @@ class TriggerRouter:
                 result.trigger_type = "followup_trigger"
                 result.priority = float(self.config.get("followup", 0.90))
             result.is_followup = True
-            result.should_respond = True
-            result.is_directed = True
             result.reasons.append("followup")
+            if conversation_hints.get("previous_same_sender_directed") or conversation_hints.get("quote_targets_bot"):
+                result.should_respond = True
+                result.is_directed = True
+                result.reasons.append("followup_directed")
         topic = self._detect_topic(content_lower)
         if topic:
             result.topic = topic