build: improve cloc targets and metrics

- Add separate cloc-llm target to measure LLM-specific code
- Better organize cloc targets with FILES_LLM and FILES_CORE variables
- Update cloc-tests to include all test files
- Add LLM metrics section to arewetiny.rst

Makefile

@@ -136,8 +136,13 @@ clean-test:
 
 cloc: cloc-core cloc-tools cloc-server cloc-tests
 
+FILES_LLM=gptme/llm/*.py
+FILES_CORE=gptme/*.py $(FILES_LLM) gptme/util/*.py gptme/tools/__init__.py gptme/tools/base.py
 cloc-core:
-	cloc gptme/*.py gptme/tools/__init__.py gptme/tools/base.py --by-file
+	cloc $(FILES_CORE) --by-file
+
+cloc-llm:
+	cloc $(FILES_LLM) --by-file
 
 cloc-tools:
 	cloc gptme/tools/*.py --by-file
@@ -146,7 +151,7 @@ cloc-server:
 	cloc gptme/server --by-file
 
 cloc-tests:
-	cloc tests/*.py --by-file
+	cloc tests --by-file
 
 cloc-eval:
 	cloc gptme/eval/**.py --by-file

docs/arewetiny.rst

@@ -42,6 +42,12 @@ LoC Core
 .. command-output:: make cloc-core
    :cwd: ..
 
+LoC LLM
+*******
+
+.. command-output:: make cloc-llm
+   :cwd: ..
+
 LoC Tools
 *********