feat(agents): persist timestamped inference transcripts

[FluffyAIcode]

Summary

• mirror Terminal output to ~/.kakeya/logs/agent_gan_repl.log while preserving live display
• prefix every persisted line with a local ISO-8601 timestamp
• record user inputs, immutable goal hash, run ID, streaming Generator/Critic output, heartbeats, metrics, and errors
• add explicit session and inference-start / inference-complete / inference-failed markers
• flush every write and protect concurrent token/heartbeat output with a reentrant lock
• add --log-file PATH for custom destinations

Tests

• fragmented streaming writes retain one timestamp per logical line
• Terminal output remains unchanged while log output is timestamped and flushed
• targeted Agent GAN suite — 16 passed
• full platform-neutral suite — 876 passed, 1 skipped
• Python compile and diff checks pass

Made with Cursor

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