diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 81dbe2e94..9e7d3c7f1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,6 +8,9 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  CARGO_INCREMENTAL: "0"
+  CARGO_PROFILE_DEV_DEBUG: line-tables-only
+  CARGO_PROFILE_TEST_DEBUG: line-tables-only
   RUST_BACKTRACE: 1
   RUST_LIB_BACKTRACE: 1
 
@@ -59,8 +62,8 @@ jobs:
       uses: Swatinem/rust-cache@v2
     - name: Clean env
       run: pixi run clean-env
-    - name: Build C++ libs + all Rust test binaries
-      run: pixi run build-cpp && pixi run build-tests
+    - name: Build C++ libs
+      run: pixi run build-cpp
     - name: Run C++ and FFI tests
       run: pixi run test-cpp
     - name: Capture runner state on failure
@@ -104,8 +107,6 @@ jobs:
       uses: Swatinem/rust-cache@v2
     - name: Clean env
       run: pixi run clean-env
-    - name: Build all Rust test binaries
-      run: pixi run build-tests
     - name: Run unit tests
       run: pixi run test-unit
     - name: Capture runner state on failure
@@ -149,8 +150,8 @@ jobs:
       uses: Swatinem/rust-cache@v2
     - name: Clean env
       run: pixi run clean-env
-    - name: Build C++ libs (crowdb-diskio subprocess) + all Rust test binaries
-      run: pixi run build-cpp && pixi run build-tests
+    - name: Build C++ libs (crowdb-diskio subprocess)
+      run: pixi run build-cpp
     - name: Run server tests
       run: pixi run test-server
     - name: Capture runner state on failure
@@ -307,8 +308,6 @@ jobs:
       uses: Swatinem/rust-cache@v2
     - name: Clean env
       run: pixi run clean-env
-    - name: Build all Rust test binaries + crowdb-kv-server
-      run: pixi run build-tests
     - name: Build crowdb-rpc-fb-server (for bench rpc e2e test)
       run: pixi run cmake -S lib/crowdb-rpc -B lib/crowdb-rpc/build -DCMAKE_BUILD_TYPE=Release && pixi run cmake --build lib/crowdb-rpc/build --target crowdb-rpc-fb-server -j
     - name: Run console tests
@@ -355,8 +354,6 @@ jobs:
         pixi-version: latest
     - name: Cache cargo + target
       uses: Swatinem/rust-cache@v2
-    - name: Build crowdb-kv-server + crowdb-diskdb binaries
-      run: pixi run build-tests
     - name: Install Playwright Chromium (skip if system browser present)
       working-directory: app/crowdb-web/ui
       run: |
diff --git a/.github/workflows/release-container.yml b/.github/workflows/release-container.yml
index d047f2188..cc4efcbda 100644
--- a/.github/workflows/release-container.yml
+++ b/.github/workflows/release-container.yml
@@ -15,6 +15,10 @@ concurrency:
 jobs:
   verify:
     runs-on: ubuntu-24.04
+    env:
+      CARGO_INCREMENTAL: "0"
+      CARGO_PROFILE_DEV_DEBUG: line-tables-only
+      CARGO_PROFILE_TEST_DEBUG: line-tables-only
     permissions:
       contents: read
     outputs:
@@ -55,6 +59,12 @@ jobs:
       env:
         CROWDB_PREVIEW_TEST_ARTIFACTS: ${{ runner.temp }}/crowdb-preview-artifacts
       run: pixi run test-single-node-container
+    - name: Free preview build artifacts before acceptance tests
+      run: |
+        pixi run docker image rm crowdb-iceberg-single-node:dev
+        pixi run docker builder prune --all --force
+        pixi run cargo clean --release
+        pixi run df -h /
     - name: Run S3 client acceptance
       run: pixi run clean-env && pixi run -e s3-e2e test-boto3-e2e
     - name: Run Iceberg client acceptance
@@ -129,7 +139,9 @@ jobs:
         name: verified-container-runtime
         path: target
     - name: Extract verified runtime files
-      run: pixi run bash -euc 'mkdir -p target/container-runtime && tar -C target/container-runtime -xzf target/container-runtime.tar.gz'
+      run: |
+        pixi run bash -euc 'mkdir -p target/container-runtime && tar -C target/container-runtime -xzf target/container-runtime.tar.gz'
+        pixi run rm target/container-runtime.tar.gz
     - uses: docker/login-action@v4
       with:
         username: ${{ vars.DOCKERHUB_USERNAME }}
diff --git a/app/crowdb-access-server/tests/iceberg_namespace_sdk_test.rs b/app/crowdb-access-server/tests/iceberg_namespace_sdk_test.rs
index ed852053f..0c54ebb0a 100644
--- a/app/crowdb-access-server/tests/iceberg_namespace_sdk_test.rs
+++ b/app/crowdb-access-server/tests/iceberg_namespace_sdk_test.rs
@@ -158,10 +158,10 @@ async fn official_catalog_continues_through_empty_namespace_pages() {
     })
     .await
     .unwrap();
-    assert_eq!(test.store.scans.load(Ordering::SeqCst), 7);
-    test.finish().await;
     assert!(
         status.success(),
         "official namespace pagination acceptance failed"
     );
+    assert_eq!(test.store.scans.load(Ordering::SeqCst), 7);
+    test.finish().await;
 }
diff --git a/doc/working/test.md b/doc/working/test.md
index 21e410356..f50a528d8 100644
--- a/doc/working/test.md
+++ b/doc/working/test.md
@@ -17,7 +17,8 @@ For test strategy, layer scope, and coverage details, see [`design/kv/design-cro
 ## Current CI Test Design
 
 CI uses ten parallel jobs, grouped by runtime requirements. Component tasks in
-`pixi.toml` select packages with `--all-targets`; group scripts under
+`pixi.toml` select library, binary, and integration test targets with
+`--tests`; benchmark targets are excluded. Group scripts under
 `tools/pixi-tasks/` define execution order. GitHub Actions calls those group
 tasks. See [tools/README.md](../../tools/README.md) for the tooling map.
 
diff --git a/pixi.toml b/pixi.toml
index b6d01cab1..4eb1b0cb2 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -152,15 +152,11 @@ profile-write = { cmd = "bash tools/profiling/profile-write.sh", depends-on = ["
 # ── Test ─────────────────────────────────────────────────────────
 # Tasks are grouped by CI job (see doc/working/test.md § "Current CI
 # Test Design"). Each group maps 1:1 to a parallel CI job. Run
-# `pixi run build-tests` once before any test task to pre-build all
-# Rust test binaries; C++ ctest tasks need `pixi run build-cpp`.
+# Each test group builds only its own Rust targets. C++ ctest tasks need
+# `pixi run build-cpp`.
 clean-env = "bash tools/runtime/clean-runtime.sh env"
-# Pre-build ALL Rust test binaries + bin targets in one parallel cargo
-# invocation. Run this once at the start of a CI job so every subsequent
-# `cargo test -p <crate>` step just executes the pre-built binaries
-# without recompiling. Also builds the crowdb-kv-server / crowdb-diskdb
-# debug binaries that subprocess-spawning tests (crowdb-web, crowdb-console-shared)
-# need at target/debug/.
+# Optional full-workspace compile check. CI test groups use their component
+# tasks to avoid building unrelated test targets on each runner.
 build-tests = "cargo test --workspace --all-targets --no-run"
 # Verify every workspace package with tests is assigned to a CI test task.
 test-task-coverage = "python tools/ci-checks/check-test-task-coverage.py"
@@ -173,42 +169,42 @@ test-tree-ct = { cmd = "ctest --test-dir lib/crowdb-tree/build --output-on-failu
 test-common-ct = { cmd = "lib/crowdb-tree/build/crowdb-common-build/crowdbcommon_tests", depends-on = ["build-cpp"] }
 test-rpc-ct = { cmd = "ctest --test-dir lib/crowdb-rpc/build --output-on-failure", depends-on = ["build-cpp"] }
 test-diskio-ct = { cmd = "ctest --test-dir app/crowdb-diskio/build --output-on-failure", depends-on = ["build-cpp"] }
-test-tree-ffi = { cmd = "cargo test -p crowdb-tree-ffi --all-targets" }
-test-rpc-ffi = { cmd = "cargo test -p crowdb-rpc-ffi --all-targets" }
+test-tree-ffi = { cmd = "cargo test -p crowdb-tree-ffi --tests" }
+test-rpc-ffi = { cmd = "cargo test -p crowdb-rpc-ffi --tests" }
 test-cpp = { cmd = "bash tools/pixi-tasks/test-cpp.sh", depends-on = ["build-cpp"] }
 
 # ── UnitTests job: pure Rust, no subprocess spawning ──
-test-common = { cmd = "cargo test -p crowdb-common --all-targets" }
-test-harness = { cmd = "cargo test -p crowdb-test-harness --all-targets" }
-test-protocol = { cmd = "cargo test -p crowdb-protocol --all-targets" }
-test-kv-core = { cmd = "cargo test -p crowdb-kv --all-targets" }
-test-kv-client = { cmd = "cargo test -p crowdb-kv-client --all-targets" }
-test-chunkdb-client = { cmd = "cargo test -p crowdb-chunkdb-client --all-targets" }
-test-chunk-kv = { cmd = "cargo test -p crowdb-chunk-kv --all-targets" }
-test-chunk-stream = { cmd = "cargo test -p crowdb-chunk-stream --all-targets" }
-test-chunk-kv-client = { cmd = "cargo test -p crowdb-chunk-kv-client --all-targets" }
-test-chunk-kv-server = { cmd = "cargo test -p crowdb-chunk-kv-server --all-targets" }
-test-unit = { cmd = "bash tools/pixi-tasks/test-unit.sh", depends-on = ["build-tests"] }
+test-common = { cmd = "cargo test -p crowdb-common --tests" }
+test-harness = { cmd = "cargo test -p crowdb-test-harness --tests" }
+test-protocol = { cmd = "cargo test -p crowdb-protocol --tests" }
+test-kv-core = { cmd = "cargo test -p crowdb-kv --tests" }
+test-kv-client = { cmd = "cargo test -p crowdb-kv-client --tests" }
+test-chunkdb-client = { cmd = "cargo test -p crowdb-chunkdb-client --tests" }
+test-chunk-kv = { cmd = "cargo test -p crowdb-chunk-kv --tests" }
+test-chunk-stream = { cmd = "cargo test -p crowdb-chunk-stream --tests" }
+test-chunk-kv-client = { cmd = "cargo test -p crowdb-chunk-kv-client --tests" }
+test-chunk-kv-server = { cmd = "cargo test -p crowdb-chunk-kv-server --tests" }
+test-unit = { cmd = "bash tools/pixi-tasks/test-unit.sh" }
 
 # ── ServerTests job: spawns crowdb-kv-server / crowdb-diskdb / crowdb-diskio ──
-test-kv-server = { cmd = "cargo test -p crowdb-kv-server --all-targets" }
-test-diskdb = { cmd = "cargo test -p crowdb-diskdb --all-targets" }
-test-diskdb-client = { cmd = "cargo build -p crowdb-kv-server -p crowdb-diskdb && cargo test -p crowdb-diskdb-client --all-targets" }
-test-chunkdb = { cmd = "cargo test -p crowdb-chunkdb --all-targets" }
-test-chunk-client = { cmd = "cargo test -p crowdb-chunk-client --all-targets" }
-test-diskio-client = { cmd = "cargo test -p crowdb-diskio-client --all-targets" }
-test-access-s3 = { cmd = "cargo test -p crowdb-access-s3 --all-targets" }
-test-access-iceberg = { cmd = "cargo test -p crowdb-access-iceberg --all-targets" }
-test-access-server = { cmd = "cargo test -p crowdb-access-server --all-targets" }
-test-monitor = { cmd = "cargo test -p crowdb-monitor --all-targets" }
-test-server = { cmd = "bash tools/pixi-tasks/test-server.sh", depends-on = ["build-tests"] }
+test-kv-server = { cmd = "cargo test -p crowdb-kv-server --tests" }
+test-diskdb = { cmd = "cargo test -p crowdb-diskdb --tests" }
+test-diskdb-client = { cmd = "cargo build -p crowdb-kv-server -p crowdb-diskdb && cargo test -p crowdb-diskdb-client --tests" }
+test-chunkdb = { cmd = "cargo test -p crowdb-chunkdb --tests" }
+test-chunk-client = { cmd = "cargo test -p crowdb-chunk-client --tests" }
+test-diskio-client = { cmd = "cargo test -p crowdb-diskio-client --tests" }
+test-access-s3 = { cmd = "cargo test -p crowdb-access-s3 --tests" }
+test-access-iceberg = { cmd = "cargo test -p crowdb-access-iceberg --tests" }
+test-access-server = { cmd = "cargo test -p crowdb-access-server --tests" }
+test-monitor = { cmd = "cargo test -p crowdb-monitor --tests" }
+test-server = { cmd = "bash tools/pixi-tasks/test-server.sh" }
 
 # ── ConsoleTests job: spawns crowdb-kv-server via lifecycle::deploy_local ──
 # Build the debug binary explicitly so tests find it at target/debug/.
-test-console-shared = { cmd = "cargo build -p crowdb-kv-server && cargo test -p crowdb-console-shared --all-targets" }
-test-console-cli = { cmd = "cargo test -p crowdb-cli --all-targets" }
-test-console-server = { cmd = "cargo build -p crowdb-kv-server && cargo test -p crowdb-web --all-targets" }
-test-console = { cmd = "bash tools/pixi-tasks/test-console.sh", depends-on = ["build-tests"] }
+test-console-shared = { cmd = "cargo build -p crowdb-kv-server && cargo test -p crowdb-console-shared --tests" }
+test-console-cli = { cmd = "cargo test -p crowdb-cli --tests" }
+test-console-server = { cmd = "cargo build -p crowdb-kv-server && cargo test -p crowdb-web --tests" }
+test-console = { cmd = "bash tools/pixi-tasks/test-console.sh" }
 
 # ── UITests job: Playwright browser E2E + subprocess spawning ──
 test-console-ui = { cmd = "bash tools/pixi-tasks/test-console-ui.sh", depends-on = ["install-ui-deps"] }
diff --git a/tools/pixi-tasks/test-java-iceberg-e2e.sh b/tools/pixi-tasks/test-java-iceberg-e2e.sh
index 9f97f9c5c..2ade415da 100644
--- a/tools/pixi-tasks/test-java-iceberg-e2e.sh
+++ b/tools/pixi-tasks/test-java-iceberg-e2e.sh
@@ -5,6 +5,8 @@ set -euo pipefail
 cd "${PIXI_PROJECT_ROOT:?}"
 
 source tools/pixi-tasks/prepare-iceberg.sh
+pixi run -e iceberg-e2e -- mvn --batch-mode --no-transfer-progress \
+    -f app/crowdb-access-server/tests/common/iceberg_java/pom.xml compile exec:help
 pixi run -e default -- cargo test --release -p crowdb-access-server --features iceberg-e2e \
     --test iceberg_namespace_sdk_test official_catalog_continues_through_empty_namespace_pages -- --ignored --exact
 pixi run -e default -- cargo test --release -p crowdb-access-server --features iceberg-e2e \