stefana715/thesis: v1.2.0

Revision release accompanying the manuscript submitted to Sustainable Cities and Society.

• Fixed the fixed-threshold bug in weight sensitivity analysis
• Unified grid join to centroid assignment
• Replaced the planning irradiance constant with the Global Solar Atlas value (1,203.8 kWh/m2/yr), corroborated by NASA POWER climatology
• Moved priority-grid aggregation into the pipeline with an automatic area/generation share consistency check
• Added area confounding analysis and revision audit toolchain
• Corrected three documentation statements that did not match the code
• Added manuscript mapping and known limitations to README

See CHANGELOG.md for full details.