Phase 3: add trackReadPaths gate — skip read-path detection when disabled.

Honor skillReinject.trackReadPaths before matching read tool paths to skills.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/detect.ts

@@ -60,3 +60,15 @@ export function matchReadPathToSkill(
 	}
 	return null;
 }
+
+/** Read-path detection only when trackReadPaths is enabled (SPEC §6.2, §3). */
+export function matchReadPathToSkillWhenEnabled(
+	path: string,
+	skills: readonly SkillPathMeta[],
+	trackReadPaths: boolean,
+): SkillPathMeta | null {
+	if (!trackReadPaths) {
+		return null;
+	}
+	return matchReadPathToSkill(path, skills);
+}