Review story 1.4: location resolution passes all ACs

All 5 ACs verified: ICAO lookup via importlib.resources, Nominatim
geocoding with User-Agent and timeout, exact error messages, mocked
HTTP in tests, portal POST /find-location returns 200 on success and
error. 45 tests pass, ruff clean. Sprint status updated to done.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

_bmad-output/implementation-artifacts/sprint-status.yaml

@@ -35,7 +35,7 @@
 # - Dev moves story to 'review', then runs code-review (fresh context, different LLM recommended)
 
 generated: 2026-04-22
-last_updated: 2026-04-22
+last_updated: 2026-04-22  # 1-4 marked done after Phase 5 review
 project: planeMapper
 project_key: NOKEY
 tracking_system: file-system
@@ -47,7 +47,7 @@ development_status:
   1-1-project-scaffold-and-verified-entry-points: done
   1-2-configuration-read-write-wipe: done
   1-3-wifi-hotspot-and-captive-portal-form: done
-  1-4-location-resolution-icao-and-address: ready-for-dev
+  1-4-location-resolution-icao-and-address: done
   1-5-provisioning-execution-tile-download-cache-validation-and-wifi-kill: backlog
   epic-1-retrospective: optional