refactor: relocate compaction module into frameworks package

Move the compaction strategies alongside the react framework they serve:
- mellea/stdlib/compaction.py -> mellea/stdlib/frameworks/react_compaction.py
- test/stdlib/test_compaction.py -> test/stdlib/frameworks/test_react_compaction.py

Imports and module docstrings updated accordingly.

Assisted-by: Claude Code
Signed-off-by: Yousef El-Kurdi <yelkurdi@gmail.com>

Author: yelkurdi

mellea/stdlib/frameworks/react.py

@@ -15,7 +15,7 @@
 from mellea.stdlib import functional as mfuncs
 
 # from mellea.stdlib.components.docs.document import Document
-from mellea.stdlib.compaction import CompactionStrategy
+from mellea.stdlib.frameworks.react_compaction import CompactionStrategy
 from mellea.stdlib.components.chat import ToolMessage
 from mellea.stdlib.components.react import (
     MELLEA_FINALIZER_TOOL,

mellea/stdlib/compaction.py …ea/stdlib/frameworks/react_compaction.pymellea/stdlib/compaction.py renamed to mellea/stdlib/frameworks/react_compaction.py mellea/stdlib/compaction.py renamed to mellea/stdlib/frameworks/react_compaction.py

@@ -14,7 +14,7 @@
 
 Example::
 
-    from mellea.stdlib.compaction import KeepLastN
+    from mellea.stdlib.frameworks.react_compaction import KeepLastN
     from mellea.stdlib.frameworks.react import react
 
     # Compact once the most recent model call reports > 8000 prompt+completion tokens.

test/stdlib/test_compaction.py …dlib/frameworks/test_react_compaction.pytest/stdlib/test_compaction.py renamed to test/stdlib/frameworks/test_react_compaction.py test/stdlib/test_compaction.py renamed to test/stdlib/frameworks/test_react_compaction.py

@@ -1,4 +1,4 @@
-"""Unit and integration tests for mellea.stdlib.compaction."""
+"""Unit and integration tests for mellea.stdlib.frameworks.react_compaction."""
 
 from collections.abc import Sequence
 from dataclasses import dataclass
@@ -16,7 +16,7 @@
     ModelOutputThunk,
     ModelToolCall,
 )
-from mellea.stdlib.compaction import (
+from mellea.stdlib.frameworks.react_compaction import (
     ClearAll,
     KeepLastN,
     LLMSummarize,