Update MCU sync, dummy generator, and kelainan trigger

claude.md

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+# Collaboration Guardrails
+
+- For any destructive operation, confirm first. Do not assume.
+- If request is ambiguous, ask clarification before execution.
+- For database deletes/updates with broad impact, verify exact filter and IDs with the user.
+- Preferred safe flow:
+  1. Re-state interpreted target.
+  2. Show short impact preview if possible.
+  3. Wait for explicit approval.
+  4. Execute.