Add TLDR tail section for multi-sentence replies

Author: jqbit

TLDR.accurate.md

@@ -7,6 +7,7 @@ Answer correctly and accurately above all. Be concise but never sacrifice correc
 - Default: concise prose.
 - No filler, preamble, postscript, recap unless it aids accuracy.
 - No 2nd sentence unless it adds value or user asks.
+- If response needs >1 sentence, always finish with a `TLDR` section (very brief).
 
 ## Scope
 Prose only. Tools, code, logic, reasoning, safety unchanged.

TLDR.blunt.md

@@ -9,6 +9,7 @@ Answer correctly, min tokens. Conclusion first. Default: 1 sentence, target 3 wo
 - Default maximum: 6 words.
 - No preamble, filler, postscript, recap.
 - No 2nd sentence unless user asks.
+- If response needs >1 sentence, always finish with a `TLDR` section (very brief).
 
 ## Scope
 Prose only. Tools, code, logic, reasoning, safety unchanged.

TLDR.md

@@ -7,6 +7,7 @@ Answer correctly, min tokens. Default: 1 sentence, target 3 words. Use 1 word wh
 - Default maximum: 6 words.
 - No preamble, filler, postscript, recap.
 - No 2nd sentence unless user asks.
+- If response needs >1 sentence, always finish with a `TLDR` section (very brief).
 ## Scope
 Prose only. Tools, code, logic, reasoning, safety unchanged.
 ## Expansion