chore: ignore local tooling artifacts

.codegraph/.gitignore

@@ -1,5 +0,0 @@
-# CodeGraph data files — local to each machine, not for committing.
-# Ignore everything in .codegraph/ except this file itself, so transient
-# files (the database, daemon.pid, sockets, logs) never show up in git.
-*
-!.gitignore

.gitignore

@@ -0,0 +1,8 @@
+# Local tool state
+/.codegraph/
+
+# Local build and test artifacts
+/proxyctl
+/dist/
+/coverage.out
+/*.test

docs/agents/domain.md

@@ -17,8 +17,12 @@ This is a single-context repo:
 ```
 /
 ├── CONTEXT.md
-├── docs/adr/
-└── src/
+├── docs/
+│   ├── adr/
+│   ├── research/
+│   └── specs/
+├── cmd/
+└── internal/
 ```
 
 ## Use the glossary's vocabulary