Add .claude/settings.json.

- Allows 'zig build'.
- Prevents editing of build.zig (which combined with allowing 'zig
  build' would mean allowing anything).
- Adds a 'make format' hook after each tool use.

1 files changed, 25 insertions, 0 deletions

diff --git a/.claude/settings.json b/.claude/settings.json
new file mode 100644
index 0000000..80b75e4
--- /dev/null
+++ b/.claude/settings.json
@@ -0,0 +1,25 @@
+{ "hooks":
+  { "PostToolUse":
+    [ { "matcher": "Edit|MultiEdit|Update|Write"
+      , "hooks":
+        [ { "type": "command"
+          , "command": "make format"
+          }
+        ]
+      }
+    ]
+  }
+, "permissions":
+  { "allow":
+    [ "Bash(make:*)"
+    , "Bash(zig build)"
+    ]
+  , "deny":
+    [ "Read(.env)"
+    , "Edit(build.zig)"
+    , "MultiEdit(build.zig)"
+    , "Update(build.zig)"
+    , "Write(build.zig)"
+    ]
+  }
+}