v2.11.3

• perf: optimize sqlite pipeline with lightweight mode, FTS5, attachment cache, and inline maintenance bc4b18b
• perf(sqlite): comprehensive tmp/sync pipeline optimization aa0cdf2
• perf(sqlite): production stability — event loop, shutdown, query optimization 7ebdcbc
• fix(sqlite): change debug timer output from console.debug to console.log c2348c1
• perf(sqlite): add TTI debugging instrumentation 867a2a4
• fix: 16G max_memory_restart 824f690

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v2.11.2...v2.11.3