From 82ec099c3a8132c28564e89fd91ca29e2e9759b2 Mon Sep 17 00:00:00 2001
From: YeonGyu-Kim <code.yeon.gyu@gmail.com>
Date: Sat, 16 May 2026 17:52:28 +0900
Subject: [PATCH] fix(atlas): match omo as a path segment

---
 src/hooks/atlas/omo-path.test.ts | 16 ++++++++++++++++
 src/hooks/atlas/omo-path.ts      |  2 +-
 2 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 src/hooks/atlas/omo-path.test.ts

diff --git a/src/hooks/atlas/omo-path.test.ts b/src/hooks/atlas/omo-path.test.ts
new file mode 100644
index 000000000..95bd14bd3
--- /dev/null
+++ b/src/hooks/atlas/omo-path.test.ts
@@ -0,0 +1,16 @@
+import { describe, expect, test } from "bun:test"
+import { isOmoPath } from "./omo-path"
+
+describe("isOmoPath", () => {
+  test("#given a path under an omo directory #when checking the path #then it matches the omo segment", () => {
+    expect(isOmoPath(".omo/plans/work.md")).toBe(true)
+    expect(isOmoPath("/repo/.omo/plans/work.md")).toBe(true)
+    expect(isOmoPath(String.raw`C:\repo\.omo\plans\work.md`)).toBe(true)
+  })
+
+  test("#given a path whose directory merely ends with omo #when checking the path #then it does not match", () => {
+    expect(isOmoPath("/repo/work.omo/plans/work.md")).toBe(false)
+    expect(isOmoPath("/repo/.omo-backup/plans/work.md")).toBe(false)
+    expect(isOmoPath("/repo/notes.omo")).toBe(false)
+  })
+})
diff --git a/src/hooks/atlas/omo-path.ts b/src/hooks/atlas/omo-path.ts
index 035879428..1b7d2cccc 100644
--- a/src/hooks/atlas/omo-path.ts
+++ b/src/hooks/atlas/omo-path.ts
@@ -4,5 +4,5 @@
  * Uses path segment matching instead of substring matching.
  */
 export function isOmoPath(filePath: string): boolean {
-  return /\.omo[/\\]/.test(filePath)
+  return /(^|[/\\])\.omo([/\\]|$)/.test(filePath)
 }