fix: type mismatch in LogDifcFilteredItem causes build failure

[Copilot]

LogDifcFilteredItem was passing *JSONLFilteredItem to logger.LogMessage, which only accepts *JSONLRPCMessage, causing a compile error.

Change

• internal/logger/jsonl_logger.go: Replace logger.LogMessage(entry) with logger.logEntry(entry) in LogDifcFilteredItem. logEntry accepts interface{} and is the underlying method LogMessage already delegates to — making it the correct call site for non-RPC entry types.

// Before
_ = logger.LogMessage(entry)  // type error: *JSONLFilteredItem is not *JSONLRPCMessage

// After
_ = logger.logEntry(entry)    // accepts interface{}, handles any JSON-serializable type

[Copilot]

Pull request overview

Fixes a compile-time type mismatch in JSONL logging by routing DIFC-filtered entries through the JSONL logger’s generic entry writer, allowing non-RPC JSONL records to be logged alongside RPC messages.

Changes:

• Update LogDifcFilteredItem to call logger.logEntry(entry) instead of logger.LogMessage(entry) to avoid passing a non-*JSONLRPCMessage type into the RPC-only method.

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