docs: Update JSON Persistence page with cross-platform (Windows/Unix) support note#246
docs: Update JSON Persistence page with cross-platform (Windows/Unix) support note#246MervinPraison wants to merge 1 commit intomainfrom
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… support note - Add Cross-Platform Support section to persistence-json.mdx after How It Works - Include Mermaid diagram showing platform-specific file locking - Add agent-centric code example and platform comparison table - Update persistence.mdx JSON Files card to mention cross-platform locking - Follows AGENTS.md style guidelines with standard color scheme 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Mervin Praison <MervinPraison@users.noreply.github.com>
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This pull request adds documentation for cross-platform JSON persistence, detailing the file locking mechanisms used for macOS, Linux, and Windows. A review comment points out a critical implementation bug in the FileLock class where the return value of the acquire method is not checked, potentially allowing concurrent writes and contradicting the safety guarantees described in the new documentation.
| If you run multiple agent processes that share the same `session_dir`, the | ||
| store automatically prevents concurrent writers from corrupting session | ||
| files — on every supported OS. |
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The claim that the store automatically prevents concurrent writers from corrupting session files is currently undermined by a critical bug in the FileLock implementation within praisonaiagents/session/store.py. The FileLock.__enter__ method calls acquire() but does not check its return value or raise an exception if it returns False (which occurs after the timeout). This allows the execution to proceed into the critical section without actually holding the lock, potentially leading to race conditions and data loss in multi-process environments. The implementation should be fixed to ensure the documentation's safety guarantees are met.
Fixes #243
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