feat: TASK-49 container reliability — tests, orchestration, MASTER_PLAN

- Add orchestration_tests.rs + mock_podman.rs (container unit tests)
- Add container-tests.yml CI workflow
- Add dev-container-test.sh for local testing
- MASTER_PLAN.md: add TASK-49 (P0) with 6-phase plan
- Login.vue: minor fixes from user testing
- AppCard.vue: enter key handler fix

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/container-tests.yml

@@ -0,0 +1,60 @@
+name: Container Orchestration Tests
+on:
+  push:
+    branches: [dev-iso, main]
+    paths:
+      - 'core/archipelago/src/**'
+      - 'core/container/src/**'
+      - 'scripts/container-*.sh'
+      - 'scripts/reconcile-*.sh'
+      - 'scripts/image-versions.sh'
+  workflow_dispatch:
+
+jobs:
+  unit-tests:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Cache cargo registry
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            core/target
+          key: cargo-test-${{ hashFiles('core/Cargo.lock') }}
+
+      - name: Run orchestration unit tests
+        working-directory: core
+        run: |
+          echo "=== Container crate tests ==="
+          cargo test -p archipelago-container --no-fail-fast 2>&1
+
+          echo ""
+          echo "=== Orchestration integration tests ==="
+          cargo test --test orchestration_tests --no-fail-fast 2>&1
+
+      - name: Verify cargo check (full crate)
+        working-directory: core
+        run: cargo check --release 2>&1
+
+  smoke-tests:
+    runs-on: ubuntu-latest
+    needs: unit-tests
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Run container smoke tests on .228
+        env:
+          ARCHIPELAGO_SSH_KEY: ~/.ssh/archipelago-deploy
+        run: |
+          # Only run if SSH key exists (CI runner has deploy access)
+          if [ -f "$ARCHIPELAGO_SSH_KEY" ]; then
+            bash scripts/dev-container-test.sh --once
+          else
+            echo "⚠ SSH key not available — skipping live smoke tests"
+            echo "  To enable: add archipelago-deploy key to CI runner"
+          fi