feat: add seasonal baseline computation module

Add implementation plan for EO product analytical upgrade

Add EO product analytical upgrade design spec

docs: implementation plan for AOI advisor (Claude-powered region insight)

docs: spec for AOI advisor — Claude-powered region insight

docs: implementation plan for AOI click-to-place redesign

docs: spec for AOI click-to-place redesign

docs: implementation plan for narrative-driven report redesign

docs: spec for report redesign — narrative-driven EO storytelling

docs: implementation plan for SAR log10 fix and sequential batch processing

docs: spec for SAR log10 fix and CDSE sequential processing

docs: implementation plan for batch SAR/buildup/water + NDVI fix

docs: add NDVI batch debugging as pre-requisite in spec

docs: spec for batch support on SAR, buildup, water indicators

docs: add openEO batch jobs implementation plan

docs: add openEO batch job processing design spec

docs: add Phase C spec and implementation plan — SAR, built-up, visual overview

docs: add Phase B implementation plan — migrate 4 indicators

docs: add Phase A implementation plan — openEO NDVI pipeline

docs: add design spec for CDSE openEO EO product upgrade

docs: add Phase 2 implementation plan for analysis window and monthly refactor

docs: add Phase 1 implementation plan for basemap fix and baseline charts

docs: split report improvements into Phase 1 (basemap + baseline charts) and Phase 2 (analysis window + monthly refactor)

docs: add spec for report basemap fix and baseline comparison charts

docs: add map overlays implementation plan

docs: add map overlays design spec

docs: add user accounts & job history implementation plan

docs: add user accounts and job history design spec

docs: add nightlights real data design spec