Refactor geo cache persistence into repository + remove raw SQL from tasks/main, update task list

Docs/Tasks.md

@@ -92,6 +92,8 @@ This document breaks the entire BanGUI project into development stages, ordered
 
 #### TASK B-5 — Create a `geo_cache_repo` and remove direct SQL from `geo_service.py`
 
+**Status:** Completed ✅
+
 **Violated rule:** Refactoring.md §2.2 — Services must not execute raw SQL; go through a repository.
 
 **Files affected:**
@@ -113,6 +115,8 @@ This document breaks the entire BanGUI project into development stages, ordered
 
 #### TASK B-6 — Remove direct SQL from `tasks/geo_re_resolve.py`
 
+**Status:** Completed ✅
+
 **Violated rule:** Refactoring.md §2.5 — Tasks must not use repositories directly; they must call a service method.
 
 **Files affected:**
@@ -163,6 +167,8 @@ Remove or rewrite the docstring snippet so it does not contain a bare `print()`
 
 #### TASK B-9 — Remove direct SQL from `main.py` lifespan into `geo_service`
 
+**Status:** Completed ✅
+
 **Violated rule:** Refactoring.md §2 — Application startup code must not execute raw SQL; data-access logic belongs in a repository (or, when count semantics belong to a domain concern, a service method).
 
 **Files affected:**