gemini-nexus/openspec/changes/improve-cross-platform-stability/tasks.md

1. Scope and Planning Confirmation

• 1.1 Review proposal.md.
• 1.2 Finalize priority: capability probing vs version detection.
• 1.3 Confirm this stage covers default runtime configuration path only.

2. Implementation

• 2.1 Make write flow transactional (atomic).
• 2.2 Add DB lock retry and busy_timeout.
• 2.3 Add version-detection cache and lower-noise logs.
• 2.4 Add Windows fallback for version detection (package.json).
• 2.5 Split injection path by strategy pattern.
• 2.6 Add capability probing: prefer new format when new key is detected.

3. Verification

• 3.1 Simulate SQLITE_BUSY/LOCKED retry behavior.
• 3.2 Verify fallback path for version-detection failure.
• 3.3 Verify capability-probing priority behavior.