Nebula 3.0.42

Changes since nebula-v3.0.41:

• 3136cc33 Fix repeated PostgreSQL recovery when archive lists public (#929)
• dcf5a412 Support verified PostgreSQL migration and production database recovery (#928)
• 3a417c94 feat(cli): add full-screen paired Assistant TUI with live feedback
• 332737dd Restore regression suites and Core/UI lifecycle behavior (#926)
• 24c2a67d feat(cli): add lightweight paired terminal Assistant (#925)
• 19713e1c Add bounded local performance telemetry to Core (#924)
• 12fc0c81 feat(cli): add paired Butler chat and headless Core launch (#923)
• 6968afde Index active chat turn status for agent rosters (#922)
• a4096c50 Recover Core-owned harness goals after transient model overload
• 884d862b feat(core): share tools and guards across agent runtimes (#920)
• 5d93935f adding e2e test for first time flow (#919)
• 90fde238 feat(core): activate bounded PDF workers from host settings (#918)
• d60277ee experiment(core): bounded workers and configurable per-host CPU budgets (#917)
• bab0a989 perf(core): index harness tool-event lookups by turn and status (#916)
• 1951d339 perf(core): reduce saturation costs and gate new work on host capacity (#915)