[US-BF-011]: Implement IFullModel/IFeatureAware methods in ModelIndividual

.github/workflows/codex-autofix.yml

@@ -0,0 +1,69 @@
+name: Codex Auto-Fix on Failure
+
+on:
+  workflow_run:
+    workflows: ["Build"]
+    types: [completed]
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  auto-fix:
+    if: ${{ github.event.workflow_run.conclusion == 'failure' }}
+    runs-on: ubuntu-latest
+    env:
+      OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+      FAILED_WORKFLOW_NAME: ${{ github.event.workflow_run.name }}
+      FAILED_RUN_URL: ${{ github.event.workflow_run.html_url }}
+      FAILED_HEAD_BRANCH: ${{ github.event.workflow_run.head_branch }}
+      FAILED_HEAD_SHA: ${{ github.event.workflow_run.head_sha }}
+    steps:
+      - name: Check OpenAI API Key Set
+        run: |
+          if [ -z "$OPENAI_API_KEY" ]; then
+            echo "OPENAI_API_KEY secret is not set. Skipping auto-fix." >&2
+            exit 1
+          fi
+      - name: Checkout Failing Ref
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ env.FAILED_HEAD_SHA }}
+          fetch-depth: 0
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+      - name: Install dependencies
+        run: |
+          if [ -f package-lock.json ]; then npm ci; else npm i; fi
+      - name: Run Codex
+        uses: openai/codex-action@main
+        id: codex
+        with:
+          openai-api-key: ${{ secrets.OPENAI_API_KEY }}
+          prompt: >-
+            You are working in a .NET repository with GitHub Actions. Read the repository,
+            run the build/tests, identify the minimal change needed to resolve the failure, implement only that change,
+            and stop. Do not refactor unrelated code or files. Keep changes small and surgical.
+          sandbox: workspace-write
+      - name: Verify tests
+        run: |
+          if (Get-Command dotnet -ErrorAction SilentlyContinue) { dotnet build || $true; dotnet test || $true }
+        shell: pwsh
+      - name: Create pull request with fixes
+        if: success()
+        uses: peter-evans/create-pull-request@v6
+        with:
+          commit-message: "fix(ci): auto-fix failing CI via Codex"
+          branch: codex/auto-fix-${{ github.event.workflow_run.run_id }}
+          base: ${{ env.FAILED_HEAD_BRANCH }}
+          title: "Auto-fix failing CI via Codex"
+          body: |
+            Codex automatically generated this PR in response to a CI failure on workflow `${{ env.FAILED_WORKFLOW_NAME }}`.
+            Failed run: ${{ env.FAILED_RUN_URL }}
+            Head branch: `${{ env.FAILED_HEAD_BRANCH }}`
+            This PR contains minimal changes intended solely to make the CI pass.
+

src/TransferLearning/FeatureMapping/LinearFeatureMapper.cs

@@ -71,12 +71,13 @@ public void Train(Matrix<T> sourceData, Matrix<T> targetData)
         _projectionMatrix = ComputeProjectionMatrix(centeredSource, sourceDim, targetDim);
         _reverseProjectionMatrix = ComputeProjectionMatrix(centeredTarget, targetDim, sourceDim);
 
+        // Set trained flag before calling MapToTarget/MapToSource
+        IsTrained = true;
+
         // Compute mapping confidence based on reconstruction error
         var reconstructed = MapToTarget(sourceData, targetDim);
         var reverseReconstructed = MapToSource(reconstructed, sourceDim);
         _confidence = ComputeReconstructionConfidence(sourceData, reverseReconstructed);
-
-        IsTrained = true;
     }
 
     /// <summary>