diff --git a/.github/upgrades/execution-log.md b/.github/upgrades/execution-log.md
index 2f16298..42fa5b1 100644
--- a/.github/upgrades/execution-log.md
+++ b/.github/upgrades/execution-log.md
@@ -50,3 +50,20 @@ Status: Complete
 ### Outcome
 Success - Solution builds successfully with .NET 10.0 and all updated packages.
 
+
+## [2026-03-31 21:19] TASK-005: Commit and Final Validation
+
+Status: Complete
+
+- **Verified**: 
+  - All success criteria from Plan ยง11 met
+  - AutoBidder.csproj targets net10.0
+  - All 3 NuGet packages updated to target versions
+  - Solution builds with 0 errors
+  - No dependency conflicts
+  - No security vulnerabilities
+- **Commits**: 0db3c51: "Upgrade to .NET 10.0 โ€” update framework and packages"
+
+### Outcome
+Success - All changes committed. Upgrade to .NET 10.0 complete.
+
diff --git a/.github/upgrades/execution_log.md b/.github/upgrades/execution_log.md
new file mode 100644
index 0000000..28eb0d4
--- /dev/null
+++ b/.github/upgrades/execution_log.md
@@ -0,0 +1,43 @@
+# Execution Log — .NET 10.0 Upgrade
+
+## Summary
+
+- **Status**: ? Complete
+- **Branch**: `upgrade-to-NET10`
+- **Commit**: `0db3c51` — "Upgrade to .NET 10.0 — update framework and packages"
+- **Total Tasks**: 5/5 completed, 0 failed, 0 skipped
+
+---
+
+## Task Execution Log
+
+### TASK-001: Verify Prerequisites ?
+- .NET 10 SDK: installed and available
+- global.json: no file found, no conflicts
+- Branch: `upgrade-to-NET10` confirmed
+
+### TASK-002: Update Target Framework ?
+- Updated `AutoBidder.csproj` line 4: `net8.0` ? `net10.0`
+
+### TASK-003: Update NuGet Packages ?
+- `Microsoft.AspNetCore.Identity.EntityFrameworkCore`: 8.0.0 ? 10.0.5
+- `Microsoft.EntityFrameworkCore.Sqlite`: 8.0.0 ? 10.0.5
+- `Npgsql.EntityFrameworkCore.PostgreSQL`: 8.0.0 ? 10.0.1
+- `dotnet restore` completed with 0 dependency conflicts
+
+### TASK-004: Build and Fix Compilation Errors ?
+- Build succeeded on first attempt with 0 errors
+- No compilation fixes needed
+
+### TASK-005: Commit and Final Validation ?
+- All Plan ง11 success criteria verified
+- Committed: `0db3c51` on `upgrade-to-NET10`
+
+---
+
+## Files Modified
+
+- `Mimante/AutoBidder.csproj` — TargetFramework + 3 PackageReference versions
+- `.github/upgrades/assessment.md` — Created during analysis
+- `.github/upgrades/plan.md` — Created during planning
+- `.github/upgrades/tasks.md` — Created and tracked during execution
diff --git a/.github/upgrades/tasks.md b/.github/upgrades/tasks.md
index 1e8eb10..2e040dd 100644
--- a/.github/upgrades/tasks.md
+++ b/.github/upgrades/tasks.md
@@ -7,7 +7,7 @@
 | Total Tasks | 5 |
 | Completed | 0 |
 | In Progress | 0 |
-**Progress**: 1/5 tasks complete (20%) ![20%](https://progress-bar.xyz/20)
+**Progress**: 5/5 tasks complete (100%) ![100%](https://progress-bar.xyz/100)
 | Not Started | 5 |
 
 ---
@@ -58,13 +58,13 @@
 
 ---
 
-### [?] TASK-005: Commit and Final Validation
+### [?] TASK-005: Commit and Final Validation *(Completed: 2026-03-31 21:20)*
 **Scope**: Repository
 **References**: Plan ง10, ง11
 
 **Actions:**
 - [?] (1) Verify all success criteria from Plan ?11 are met
-- [ ] (2) Stage all changes and commit with message: `Upgrade to .NET 10.0 — update framework and packages`
-- [ ] (3) Verify commit succeeded
+- [?] (2) Stage all changes and commit with message: `Upgrade to .NET 10.0 ? update framework and packages`
+- [?] (3) Verify commit succeeded
 
 ---