diff --git a/CLAUDE.md b/CLAUDE.md
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+++ b/CLAUDE.md
@@ -97,3 +97,15 @@ cd server && yarn test           # Jest (tests in server/src/tests/)
 - Czech naming for domain variables and UI strings; English for infrastructure code
 - TypeScript strict mode in both client and server
 - Server module resolution: Node16; Client: ESNext/bundler
+
+## Code Search Strategy
+When searching through the project for information, use the Task tool to spawn
+subagents. Each subagent should read the relevant files and return a brief
+summary of what it found (not the full file contents). This keeps the main
+context window small and saves tokens. Only pull in full file contents once
+you've identified the specific files that matter.
+When using subagents to search, each subagent should return:
+- File path
+- Whether it's relevant (yes/no)
+- 1-3 sentence summary of what's in the file
+Do NOT return full file contents in subagent responses.
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