ci: use go workspace for cross-module test resolution

CI workflows now run from the workspace root using go.work so
that local replace directives resolve correctly. This fixes the
framework test failure where contract v0.8.0 from the module
proxy was missing the new CreatedAt interface method.

Author: ConsoleTVs

.github/workflows/framework.yml

@@ -5,31 +5,30 @@ on:
     branches: ["main"]
     paths:
       - .github/workflows/framework.yml
+      - contract/**
       - framework/**
   pull_request:
     branches: ["main"]
     paths:
       - .github/workflows/framework.yml
+      - contract/**
       - framework/**
 
 jobs:
   test:
     name: Unit Tests
     runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: ./framework
     steps:
       - uses: actions/checkout@v4
 
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: "framework/go.mod"
+          go-version-file: "go.work"
           cache-dependency-path: "framework/go.sum"
 
       - name: Download Dependencies
-        run: go mod download
+        run: go work sync
 
       - name: Test
-        run: go test -v ./...
+        run: go test -v ./framework/...

.github/workflows/problem.yml

@@ -16,20 +16,17 @@ jobs:
   test:
     name: Unit Tests
     runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: ./problem
     steps:
       - uses: actions/checkout@v4
 
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: "problem/go.mod"
+          go-version-file: "go.work"
           cache-dependency-path: "problem/go.sum"
 
       - name: Download Dependencies
-        run: go mod download
+        run: go work sync
 
       - name: Test
-        run: go test -v ./...
+        run: go test -v ./problem/...

.github/workflows/router.yml

@@ -16,20 +16,17 @@ jobs:
   test:
     name: Unit Tests
     runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: ./router
     steps:
       - uses: actions/checkout@v4
 
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: "router/go.mod"
+          go-version-file: "go.work"
           cache-dependency-path: "router/go.sum"
 
       - name: Download Dependencies
-        run: go mod download
+        run: go work sync
 
       - name: Test
-        run: go test -v ./...
+        run: go test -v ./router/...