feat: add source-grounded evolution and Ollama assistant

docs/CODEX_EXECUTION_LOG.md

@@ -8365,3 +8365,44 @@ Known limitation:
 Next:
 - Validate the semantic metrics against live Mol PostGIS data and then continue
   the audited regional historical buildings/water/roads import.
+
+## Sprint 202 - Source intelligence, complete evolution metrics and Ollama (2026-07-15)
+
+Implemented:
+- Audited the current regional PostGIS inventory: current GRB buildings, roads,
+  water and parcels; Statbel population 2021-2025; and modern forest
+  2013/2016/2019/2022/2025.
+- Extended temporal comparison additively with optional exact persisted-Area
+  geometry, every compatible semantic metric and a complete observation
+  timeline. Bbox-only rectangle comparison remains supported.
+- Expanded the official 10 m land-use operator with water, built-function and
+  transport surfaces. All themes reuse one retained source raster per year;
+  their measurements remain separate from current GRB geometry semantics.
+- Added a Sources inventory for loaded themes and audited follow-up sources.
+- Added an optional local Ollama assistant with status/model/query endpoints,
+  installed-model validation, compact persisted GIS context and strict missing-
+  data behavior. The browser never addresses Ollama directly.
+- Added editable Docker/Unraid Ollama settings and automatic host-gateway
+  mapping for the server runtime.
+
+Validation evidence:
+- Focused temporal, source, Ollama, navigation and Unraid regression tests
+  passed, including direct coverage for multi-metric history and DockerMan host
+  mapping.
+- Full readiness passed 612 backend tests, backend compilation, 91 documented
+  API routes, one Alembic head, frontend TypeScript typecheck/build and all
+  shell syntax gates.
+- Local Docker validation was deferred to the live Tower deployment because
+  Docker is not installed on the Windows development host.
+
+Known limitations:
+- Water volume remains unavailable until a governed depth/bathymetry source is
+  integrated. VMM station water levels or flows alone do not establish volume
+  for every selected polygon.
+- Available follow-up sources are catalogued but are not labelled as loaded
+  until a controlled import and provenance validation have completed.
+
+Next:
+- Integrate Waterinfo/VMM station observations as point time series and add
+  historical orthophoto acquisition, while preserving their spatial and
+  methodological limitations.