v8.5.0.

💥 Breaking Changes

• fix(alanmode): apply the C-code's per-spectrum quality cuts in acqplot7amoon (#323) @steven-murray, @claude
• Review remediation phases 1–2: test integrity, physical-limit tests and bug fixes (#308) @steven-murray, @claude

🚀 Features

• feat(cal): optional variance weighting of the iterative noise-wave calibration (#328) @steven-murray, @claude
• feat(cal): analytic variance of the Dicke ratio Q (#327) @steven-murray, @claude
• Review follow-ups: alanmode spec-file n, FEKO loss-fraction note, notebook fixes, fit_method options, release version resolver (#320) @steven-murray, @claude

🪲 Fixes

• fix(alanmode): apply the C-code's per-spectrum quality cuts in acqplot7amoon (#323) @steven-murray, @claude
• Review follow-ups: alanmode spec-file n, FEKO loss-fraction note, notebook fixes, fit_method options, release version resolver (#320) @steven-murray, @claude
• Review remediation phase 3: result-changing physics and statistics fixes (#313) @steven-murray, @claude
• Review remediation phases 1–2: test integrity, physical-limit tests and bug fixes (#308) @steven-murray, @claude

🐎 Performance

• fix(averaging): optional channel correlation in gauss_smooth's effective nsamples (#330) @steven-murray, @claude
• fix(alanmode): apply the C-code's per-spectrum quality cuts in acqplot7amoon (#323) @steven-murray, @claude
• perf: Phase 4 performance work (results unchanged) (#314) @steven-murray, @claude
• Review remediation phase 3: result-changing physics and statistics fixes (#313) @steven-murray, @claude

🚨 Testing

• fix(alanmode): apply the C-code's per-spectrum quality cuts in acqplot7amoon (#323) @steven-murray, @claude
• Make Zenodo test-data downloads robust: retries and a working CI cache (#321) @steven-murray, @claude
• perf: Phase 4 performance work (results unchanged) (#314) @steven-murray, @claude
• Review remediation phases 1–2: test integrity, physical-limit tests and bug fixes (#308) @steven-murray, @claude

👷 Continuous Integration

• Review follow-ups: alanmode spec-file n, FEKO loss-fraction note, notebook fixes, fit_method options, release version resolver (#320) @steven-murray, @claude
• Make Zenodo test-data downloads robust: retries and a working CI cache (#321) @steven-murray, @claude

📚 Documentation

• Review follow-ups: alanmode spec-file n, FEKO loss-fraction note, notebook fixes, fit_method options, release version resolver (#320) @steven-murray, @claude