diff --git a/.github/workflows/ai-behavior-check.yml b/.github/workflows/ai-behavior-check.yml
index 304879f3..3fd9c131 100644
--- a/.github/workflows/ai-behavior-check.yml
+++ b/.github/workflows/ai-behavior-check.yml
@@ -95,6 +95,7 @@ jobs:
                 typeof filename === 'string' &&
                 (
                   filename.startsWith('.github/workflows/') ||
+                  filename.startsWith('scripts/ci/') ||
                   filename.startsWith('scripts/policy/') ||
                   filename.startsWith('scripts/release/') ||
                   filename === 'test/fixtures/cli-interface-baseline.txt' ||
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d8c4e304..633df24a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -130,11 +130,13 @@ jobs:
         with:
           go-version-file: go.mod
 
+      - name: Verify Test Package Plan
+        if: steps.classify.outputs.changelog_only != 'true'
+        run: make test-plan
+
       - name: Format Check
         if: steps.classify.outputs.changelog_only != 'true'
-        run: |
-          unformatted="$(find cmd internal test scripts/policy -name '*.go' -print0 | xargs -0r gofmt -l)"
-          test -z "$unformatted" || (printf '%s\n' "$unformatted" && exit 1)
+        run: make format-check
 
       - name: Go Vet
         if: steps.classify.outputs.changelog_only != 'true'
@@ -167,38 +169,20 @@ jobs:
         with:
           go-version-file: go.mod
 
-      - name: Install archive tooling
-        run: sudo apt-get update && sudo apt-get install -y zip unzip
-
       - name: Build
         if: ${{ matrix.shard == 'remaining' }}
         run: make build
 
       - name: Test shard with Race Detection
+        shell: bash
         env:
+          DWS_PACKAGE_VERSION: 0.0.0-test
           TEST_SHARD: ${{ matrix.shard }}
         run: |
-          case "$TEST_SHARD" in
-            app)
-              packages=(./internal/app/...)
-              ;;
-            generators)
-              packages=(./internal/generator/...)
-              ;;
-            helpers)
-              packages=(./internal/helpers/...)
-              ;;
-            remaining)
-              mapfile -t packages < <(
-                go list ./cmd/... ./internal/... |
-                  grep -Ev '/internal/(app|generator|helpers)(/|$)'
-              )
-              ;;
-            *)
-              printf 'unknown test shard: %s\n' "$TEST_SHARD" >&2
-              exit 1
-              ;;
-          esac
+          set -euo pipefail
+          package_output="$(./scripts/ci/test-packages.sh list "$TEST_SHARD")"
+          test -n "$package_output"
+          mapfile -t packages <<< "$package_output"
           test "${#packages[@]}" -gt 0
           go test -v -race -count=1 -timeout=10m "${packages[@]}"
 
@@ -207,7 +191,7 @@ jobs:
     needs: lint
     if: ${{ needs.lint.outputs.changelog_only != 'true' }}
     runs-on: ubuntu-latest
-    timeout-minutes: 10
+    timeout-minutes: 15
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
@@ -221,7 +205,16 @@ jobs:
         run: sudo apt-get update && sudo apt-get install -y zip unzip
 
       - name: Test release scripts
-        run: go test -v -count=1 -timeout=5m ./test/scripts
+        shell: bash
+        env:
+          DWS_PACKAGE_VERSION: 0.0.0-test
+        run: |
+          set -euo pipefail
+          package_output="$(./scripts/ci/test-packages.sh list release-scripts)"
+          test -n "$package_output"
+          mapfile -t packages <<< "$package_output"
+          test "${#packages[@]}" -gt 0
+          go test -v -count=1 -timeout=10m "${packages[@]}"
 
   test-cross-platform:
     name: Test (cross-platform compile)
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index de7eff27..38b9e684 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -36,8 +36,8 @@ Common repository checks already used here include:
 ./scripts/policy/check-open-source-assets.sh
 go test ./...
 make test
+make test-plan
 make lint
-bash test/scripts/run_all_tests.sh --jobs 8
 ./scripts/policy/check-generated-drift.sh
 ./scripts/policy/check-command-surface.sh --strict
 ./scripts/release/verify-package-managers.sh
diff --git a/Makefile b/Makefile
index 0fa71080..b5131e7b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,14 @@
 GO ?= go
+DWS_PACKAGE_VERSION ?= 0.0.0-test
 REMOTE ?=
 PUBLISH ?= 0
 YES ?= 0
 DWS_POLICY_TMPDIR ?= $(CURDIR)/.worktrees/policy-tmp
 POLICY_GOTMPDIR ?= $(DWS_POLICY_TMPDIR)/go
 POLICY_ENV = DWS_POLICY_TMPDIR="$(DWS_POLICY_TMPDIR)" GOTMPDIR="$(POLICY_GOTMPDIR)"
+GO_SOURCE_LIST = git ls-files -z --cached --others --exclude-standard -- '*.go'
 
-.PHONY: all help build rebuild test lint fmt policy edition-test interface-integrity authoritative-interface-integrity coverage-gate coverage-gate-platform update-interface-baseline reset-interface-baseline schema-compatibility skill-command-integrity cli-smoke mock-mcp-smoke test-schema-agent-examples generate-schema generate-schema-agent-metadata generate-schema-catalog package release release-pre release-stable changelog-pre changelog-stable publish-homebrew-formula setup-hooks
+.PHONY: all help build rebuild test test-plan lint format-check fmt policy edition-test interface-integrity authoritative-interface-integrity coverage-gate coverage-gate-platform update-interface-baseline reset-interface-baseline schema-compatibility skill-command-integrity cli-smoke mock-mcp-smoke test-schema-agent-examples generate-schema generate-schema-agent-metadata generate-schema-catalog package release release-pre release-stable changelog-pre changelog-stable publish-homebrew-formula setup-hooks
 
 all: setup-hooks fmt lint build test rebuild
 
@@ -14,8 +16,10 @@ help:
 	@printf "Available targets:\n"
 	@printf "  make build         - Build the dws CLI binary\n"
 	@printf "  make test          - Run the Go test suite\n"
-	@printf "  make lint          - Run formatting checks and golangci-lint when available\n"
-	@printf "  make fmt           - Format Go source files\n"
+	@printf "  make test-plan     - Verify every default Go package belongs to one CI test shard\n"
+	@printf "  make lint          - Run formatting checks, go vet, and staticcheck\n"
+	@printf "  make format-check  - Check all repository Go source files with gofmt\n"
+	@printf "  make fmt           - Format all repository Go source files\n"
 	@printf "  make policy        - Check the built dws plus open-source and Schema policies\n"
 	@printf "  make interface-integrity - Check historical commands and help contracts still work\n"
 	@printf "  make authoritative-interface-integrity BASE_REF=<ref> - Check the Git-owned PR merge-base\n"
@@ -45,13 +49,32 @@ rebuild:
 	@./scripts/dev/build.sh
 
 test:
-	@./test/scripts/run_all_tests.sh --timeout 5m
+	@DWS_PACKAGE_VERSION="$(DWS_PACKAGE_VERSION)" $(GO) test -count=1 -timeout=10m ./...
+
+test-plan:
+	@./scripts/ci/test-packages.sh verify
 
 lint:
 	@./scripts/dev/lint.sh
 
+format-check:
+	@set -eu; \
+	go_files="$$(mktemp "$${TMPDIR:-/tmp}/dws-go-files.XXXXXX")"; \
+	trap 'rm -f "$$go_files"' EXIT HUP INT TERM; \
+	$(GO_SOURCE_LIST) > "$$go_files"; \
+	unformatted="$$(xargs -0 sh -c 'if [ "$$#" -gt 0 ]; then exec gofmt -l -- "$$@"; fi' sh < "$$go_files")"; \
+	if [ -n "$$unformatted" ]; then \
+		printf '%s\n' "$$unformatted"; \
+		printf '%s\n' "Go files are not formatted. Run 'make fmt'." >&2; \
+		exit 1; \
+	fi
+
 fmt:
-	@find cmd internal test scripts/policy -name '*.go' -print0 2>/dev/null | xargs -0r gofmt -w
+	@set -eu; \
+	go_files="$$(mktemp "$${TMPDIR:-/tmp}/dws-go-files.XXXXXX")"; \
+	trap 'rm -f "$$go_files"' EXIT HUP INT TERM; \
+	$(GO_SOURCE_LIST) > "$$go_files"; \
+	xargs -0 sh -c 'if [ "$$#" -gt 0 ]; then exec gofmt -w -- "$$@"; fi' sh < "$$go_files"
 
 policy:
 	@mkdir -p "$(POLICY_GOTMPDIR)"
diff --git a/internal/event/consume/integration_test.go b/internal/event/consume/integration_test.go
index 5408a259..50b7d206 100644
--- a/internal/event/consume/integration_test.go
+++ b/internal/event/consume/integration_test.go
@@ -31,6 +31,31 @@ import (
 	"github.com/DingTalk-Real-AI/dingtalk-workspace-cli/internal/event/transport"
 )
 
+type consumeReadyWriter struct {
+	ready chan struct{}
+	once  sync.Once
+}
+
+func newConsumeReadyWriter() *consumeReadyWriter {
+	return &consumeReadyWriter{ready: make(chan struct{})}
+}
+
+func (w *consumeReadyWriter) Write(p []byte) (int, error) {
+	if bytes.Contains(p, []byte("[event] ready ")) {
+		w.once.Do(func() { close(w.ready) })
+	}
+	return len(p), nil
+}
+
+func waitForConsumerReady(t *testing.T, ready <-chan struct{}) {
+	t.Helper()
+	select {
+	case <-ready:
+	case <-time.After(3 * time.Second):
+		t.Fatal("consumer did not report ready")
+	}
+}
+
 // TestIntegration_HelloPushdownFiltersAtBus verifies the Hello-time
 // event_types pushdown contract (plan §4 unsung superpower): a consumer
 // subscribing to "im.*" must NOT receive "approval.*" events even when
@@ -49,40 +74,50 @@ func TestIntegration_HelloPushdownFiltersAtBus(t *testing.T) {
 	defer func() { cancel(); <-runDone }()
 
 	var imBuf, approvalBuf bytes.Buffer
-	var wg sync.WaitGroup
-	wg.Add(2)
+	imReady := newConsumeReadyWriter()
+	approvalReady := newConsumeReadyWriter()
+	consumeCtx, cancelConsumers := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancelConsumers()
+	consumeDone := make(chan error, 2)
 
 	// Consumer A: im.* only
 	go func() {
-		defer wg.Done()
-		_ = Run(context.Background(), Config{
+		consumeDone <- Run(consumeCtx, Config{
 			WorkDir:     dir,
 			IPCEndpoint: sock,
 			ClientID:    "ding_test",
 			Stdout:      &imBuf,
-			Stderr:      io.Discard,
+			Stderr:      imReady,
 			EventTypes:  []string{"im.*"},
 			MaxEvents:   3, // 3 im events expected
 		})
 	}()
 	// Consumer B: approval.* only
 	go func() {
-		defer wg.Done()
-		_ = Run(context.Background(), Config{
+		consumeDone <- Run(consumeCtx, Config{
 			WorkDir:     dir,
 			IPCEndpoint: sock,
 			ClientID:    "ding_test",
 			Stdout:      &approvalBuf,
-			Stderr:      io.Discard,
+			Stderr:      approvalReady,
 			EventTypes:  []string{"approval.*"},
 			MaxEvents:   2, // 2 approval events expected
 		})
 	}()
 
-	// Give both consumers time to Hello + register.
-	time.Sleep(200 * time.Millisecond)
+	waitForConsumerReady(t, imReady.ready)
+	waitForConsumerReady(t, approvalReady.ready)
 	close(trigger)
-	wg.Wait()
+	for range 2 {
+		select {
+		case err := <-consumeDone:
+			if err != nil {
+				t.Fatalf("consume failed: %v", err)
+			}
+		case <-consumeCtx.Done():
+			t.Fatalf("consumers did not finish: %v", consumeCtx.Err())
+		}
+	}
 
 	// Verify consumer A got exactly the 3 im.* events.
 	imLines := nonEmptyLines(imBuf.String())
@@ -130,23 +165,32 @@ func TestIntegration_FilterRegexNarrowsFurther(t *testing.T) {
 	defer func() { cancel(); <-runDone }()
 
 	var buf bytes.Buffer
-	consumeDone := make(chan struct{})
+	ready := newConsumeReadyWriter()
+	consumeCtx, cancelConsumer := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancelConsumer()
+	consumeDone := make(chan error, 1)
 	go func() {
-		defer close(consumeDone)
-		_ = Run(context.Background(), Config{
+		consumeDone <- Run(consumeCtx, Config{
 			WorkDir:     dir,
 			IPCEndpoint: sock,
 			ClientID:    "ding_test",
 			Stdout:      &buf,
-			Stderr:      io.Discard,
+			Stderr:      ready,
 			EventTypes:  []string{"im.*"},
 			Filter:      `\.at_v1$`, // only at_v1 events
 			MaxEvents:   1,
 		})
 	}()
-	time.Sleep(150 * time.Millisecond)
+	waitForConsumerReady(t, ready.ready)
 	close(trigger)
-	<-consumeDone
+	select {
+	case err := <-consumeDone:
+		if err != nil {
+			t.Fatalf("consume failed: %v", err)
+		}
+	case <-consumeCtx.Done():
+		t.Fatalf("consumer did not finish: %v", consumeCtx.Err())
+	}
 
 	lines := nonEmptyLines(buf.String())
 	if len(lines) != 1 {
diff --git a/pkg/asynctask/asynctask.go b/pkg/asynctask/asynctask.go
index 653f2411..1b7e0cc6 100644
--- a/pkg/asynctask/asynctask.go
+++ b/pkg/asynctask/asynctask.go
@@ -20,8 +20,8 @@
 //  2. 渐进式退避（1s/2s/5s/10s/15s/30s/30s...，可自定义）
 //  3. 默认 5 分钟超时，超时返回 jobId 让用户用 `... get --job-id <ID>` 续等
 //  4. 状态机统一：PROCESSING/PENDING → SUCCESS → 拿 downloadUrl
-//                              ↓
-//                            FAILED → 返回 error
+//     ↓
+//     FAILED → 返回 error
 //  5. 可选 PUT 下载：传入 OutputPath 时本包负责 HTTP GET 落盘
 package asynctask
 
diff --git a/pkg/asynctask/asynctask_test.go b/pkg/asynctask/asynctask_test.go
index 4e6e0e10..dd2faff3 100644
--- a/pkg/asynctask/asynctask_test.go
+++ b/pkg/asynctask/asynctask_test.go
@@ -112,7 +112,9 @@ func TestSubmit_ContextCancel(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	cancel()
 	submitFn := func(ctx context.Context) (string, error) { return "job-x", nil }
-	queryFn := func(ctx context.Context, jobID string) (QueryResult, error) { return QueryResult{Status: StatusProcessing}, nil }
+	queryFn := func(ctx context.Context, jobID string) (QueryResult, error) {
+		return QueryResult{Status: StatusProcessing}, nil
+	}
 	_, err := Submit(ctx, submitFn, queryFn, Options{Backoff: testBackoff, Timeout: 1 * time.Second})
 	if !errors.Is(err, context.Canceled) {
 		t.Fatalf("expect ctx.Canceled, got %v", err)
diff --git a/scripts/README.md b/scripts/README.md
index 179e022b..e0823cbe 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -3,9 +3,11 @@
 These repo-local entrypoints are the supported shell entrypoints for building, testing, packaging, and policy checks.
 
 - `make build`: build the `dws` CLI from `cmd`
-- `make test`: run `go test ./...`
-- `make lint`: run formatting checks and required `golangci-lint`
-- `make fmt`: format Go source files under `cmd/`, `internal/`, and `test/`
+- `make test`: run every default package returned by `go list ./...`
+- `make test-plan`: verify every default Go package belongs to exactly one CI test shard
+- `make lint`: run the repository-wide format check, `go vet`, and required `staticcheck`
+- `make format-check`: check every tracked or non-ignored untracked repository Go source file with `gofmt`
+- `make fmt`: format every tracked or non-ignored untracked repository Go source file
 - `make policy`: reuse the current `dws` binary and run the complete policy suite (`make build` first)
 - `make package`: build all release artifacts locally
 - `make release-pre VERSION=vX.Y.Z-beta.N`: validate a prerelease (`PUBLISH=1` pushes its tag)
@@ -15,6 +17,7 @@ Script groups:
 
 - Root installers: `./scripts/install.sh`, `./scripts/install.ps1`, `./scripts/install-skills.sh`
 - Product convenience installers: `./scripts/install-devapp.sh`, `./scripts/install-devapp.ps1`, `./scripts/install-event.sh`
+- CI package plan: `./scripts/ci/test-packages.sh`
 - Dev helpers: `./scripts/dev/build.sh`, `./scripts/dev/lint.sh`, `./scripts/dev/ci-local.sh`, `./scripts/dev/run-mock-e2e.sh`, `./scripts/dev/coverage.sh`
 - Policy checks: `./scripts/policy/check-schema-command-registry.sh`, `./scripts/policy/check-generated-drift.sh`, `./scripts/policy/check-command-surface.sh`, `./scripts/policy/check-command-compatibility.sh --base-ref <main-ref> --stable-ref <latest-GA-tag>`, `./scripts/policy/check-schema-catalog.sh`, `./scripts/policy/check-schema-binary.sh`, `./scripts/policy/check-open-source-assets.sh`
 - Policy runtime files: set `DWS_POLICY_TMPDIR` to override the default `.worktrees/policy-tmp` workspace
diff --git a/scripts/ci/test-packages.sh b/scripts/ci/test-packages.sh
new file mode 100755
index 00000000..041497d1
--- /dev/null
+++ b/scripts/ci/test-packages.sh
@@ -0,0 +1,121 @@
+#!/bin/sh
+set -eu
+
+ROOT="$(CDPATH= cd -- "$(dirname -- "$0")/../.." && pwd)"
+MODULE="$(cd "$ROOT" && go list -m)"
+
+usage() {
+  printf '%s\n' \
+    "usage: $0 list <app|generators|helpers|remaining|release-scripts>" \
+    "       $0 verify" >&2
+  exit 2
+}
+
+list_shard() {
+  shard="$1"
+  cd "$ROOT"
+
+  case "$shard" in
+    app)
+      go list ./internal/app/...
+      ;;
+    generators)
+      go list ./internal/generator/...
+      ;;
+    helpers)
+      go list ./internal/helpers/...
+      ;;
+    release-scripts)
+      go list ./test/scripts/...
+      ;;
+    remaining)
+      all_packages="$(go list ./...)"
+      printf '%s\n' "$all_packages" | while IFS= read -r package; do
+        case "$package" in
+          "$MODULE/internal/app"|"$MODULE/internal/app/"*) ;;
+          "$MODULE/internal/generator"|"$MODULE/internal/generator/"*) ;;
+          "$MODULE/internal/helpers"|"$MODULE/internal/helpers/"*) ;;
+          "$MODULE/test/scripts"|"$MODULE/test/scripts/"*) ;;
+          *) printf '%s\n' "$package" ;;
+        esac
+      done
+      ;;
+    *)
+      printf 'unknown test package shard: %s\n' "$shard" >&2
+      exit 2
+      ;;
+  esac
+}
+
+verify_plan() {
+  workdir="$(mktemp -d "${TMPDIR:-/tmp}/dws-test-packages.XXXXXX")"
+  trap 'rm -rf "$workdir"' EXIT HUP INT TERM
+
+  expected="$workdir/expected"
+  assigned="$workdir/assigned"
+  unique="$workdir/unique"
+  duplicates="$workdir/duplicates"
+  missing="$workdir/missing"
+  unexpected="$workdir/unexpected"
+  all_packages="$workdir/all-packages"
+
+  cd "$ROOT"
+  go list ./... > "$all_packages"
+  LC_ALL=C sort -u "$all_packages" > "$expected"
+  : > "$assigned"
+
+  for shard in app generators helpers remaining release-scripts; do
+    shard_packages="$workdir/$shard"
+    unsorted_shard_packages="$workdir/$shard.unsorted"
+    list_shard "$shard" > "$unsorted_shard_packages"
+    LC_ALL=C sort "$unsorted_shard_packages" > "$shard_packages"
+    if [ ! -s "$shard_packages" ]; then
+      printf 'test package shard is empty: %s\n' "$shard" >&2
+      exit 1
+    fi
+    cat "$shard_packages" >> "$assigned"
+  done
+
+  LC_ALL=C sort "$assigned" -o "$assigned"
+  uniq -d "$assigned" > "$duplicates"
+  LC_ALL=C sort -u "$assigned" > "$unique"
+  comm -23 "$expected" "$unique" > "$missing"
+  comm -13 "$expected" "$unique" > "$unexpected"
+
+  failed=0
+  if [ -s "$duplicates" ]; then
+    printf '%s\n' 'test packages assigned to more than one shard:' >&2
+    sed 's/^/  /' "$duplicates" >&2
+    failed=1
+  fi
+  if [ -s "$missing" ]; then
+    printf '%s\n' 'default Go packages missing from the CI test plan:' >&2
+    sed 's/^/  /' "$missing" >&2
+    failed=1
+  fi
+  if [ -s "$unexpected" ]; then
+    printf '%s\n' 'CI test plan contains packages outside go list ./...:' >&2
+    sed 's/^/  /' "$unexpected" >&2
+    failed=1
+  fi
+  if [ "$failed" -ne 0 ]; then
+    exit 1
+  fi
+
+  package_count="$(wc -l < "$expected" | tr -d ' ')"
+  printf 'test package plan covers %s default packages exactly once\n' "$package_count"
+}
+
+case "${1:-}" in
+  list)
+    [ "$#" -eq 2 ] || usage
+    list_shard "$2"
+    ;;
+  verify)
+    [ "$#" -eq 1 ] || usage
+    verify_plan
+    ;;
+  *)
+    usage
+    ;;
+esac
diff --git a/scripts/dev/ci-local.sh b/scripts/dev/ci-local.sh
index 58282c41..e9da065b 100755
--- a/scripts/dev/ci-local.sh
+++ b/scripts/dev/ci-local.sh
@@ -11,7 +11,7 @@ run() {
 cd "$ROOT"
 
 run ./scripts/dev/lint.sh
-run go test ./...
+run make test
 COVERAGE_PROFILE="$(mktemp "${TMPDIR:-/tmp}/dws-coverage.XXXXXX")"
 run ./scripts/dev/coverage.sh "$COVERAGE_PROFILE"
 rm -f "$COVERAGE_PROFILE"
diff --git a/scripts/dev/lint.sh b/scripts/dev/lint.sh
index 22a191e6..ca6e3a43 100755
--- a/scripts/dev/lint.sh
+++ b/scripts/dev/lint.sh
@@ -1,13 +1,12 @@
 #!/bin/sh
 set -eu
 
+ROOT="$(CDPATH= cd -- "$(dirname -- "$0")/../.." && pwd)"
+cd "$ROOT"
+
 # ── Format check ──────────────────────────────────────────
-unformatted="$(find cmd internal test -name '*.go' -print0 2>/dev/null | xargs -0r gofmt -l)"
-if [ -n "$unformatted" ]; then
-  echo "$unformatted"
-  echo "Go files are not formatted. Run 'make fmt'." >&2
-  exit 1
-fi
+echo "Running gofmt check..."
+make format-check
 
 # ── go vet (built-in) ────────────────────────────────────
 echo "Running go vet..."
diff --git a/scripts/dev/run-mock-e2e.sh b/scripts/dev/run-mock-e2e.sh
index 4ac42faf..18c83f6a 100755
--- a/scripts/dev/run-mock-e2e.sh
+++ b/scripts/dev/run-mock-e2e.sh
@@ -4,7 +4,7 @@ set -eu
 ROOT="$(CDPATH= cd -- "$(dirname -- "$0")/../.." && pwd)"
 
 cd "$ROOT"
-go test ./test/mock_mcp/... \
-  ./test/integration/discovery/... \
-  ./test/integration/extensions/... \
-  ./test/integration/recovery/...
+DWS_PACKAGE_VERSION="${DWS_PACKAGE_VERSION:-0.0.0-test}" \
+  go test -count=1 -timeout=5m \
+    ./test/mock_mcp/... \
+    ./test/integration/...
diff --git a/test/cli/docs_compatibility_test.go b/test/cli/docs_compatibility_test.go
index c6fda9ad..cf037014 100644
--- a/test/cli/docs_compatibility_test.go
+++ b/test/cli/docs_compatibility_test.go
@@ -20,8 +20,6 @@ type docsFlagCase struct {
 }
 
 func TestDWSDocsCommandTreeCoverage(t *testing.T) {
-	t.Parallel()
-
 	docPaths, _, err := parseDWSDocsCompatibility()
 	if err != nil {
 		t.Fatalf("parseDWSDocsCompatibility() error = %v", err)
@@ -45,8 +43,6 @@ func TestDWSDocsCommandTreeCoverage(t *testing.T) {
 }
 
 func TestDWSDocsLocalFlagsCoverage(t *testing.T) {
-	t.Parallel()
-
 	docPaths, docFlags, err := parseDWSDocsCompatibility()
 	if err != nil {
 		t.Fatalf("parseDWSDocsCompatibility() error = %v", err)
diff --git a/test/cli/root_command_test.go b/test/cli/root_command_test.go
index 44bc4616..fc2db003 100644
--- a/test/cli/root_command_test.go
+++ b/test/cli/root_command_test.go
@@ -14,8 +14,6 @@ import (
 // and their availability depends on the test environment's fixture data.
 
 func TestHiddenMCPHelpIsReachable(t *testing.T) {
-	t.Parallel()
-
 	cmd := app.NewRootCommand()
 	var out strings.Builder
 	cmd.SetOut(&out)
@@ -33,8 +31,6 @@ func TestHiddenMCPHelpIsReachable(t *testing.T) {
 }
 
 func TestSkillCommandIsRegistered(t *testing.T) {
-	t.Parallel()
-
 	root := app.NewRootCommand()
 
 	var found bool
diff --git a/test/cli/testmain_test.go b/test/cli/testmain_test.go
index d5264d50..73b09d78 100644
--- a/test/cli/testmain_test.go
+++ b/test/cli/testmain_test.go
@@ -11,6 +11,8 @@ import (
 func TestMain(m *testing.M) {
 	// Set an empty catalog fixture so that EnvironmentLoader does not
 	// attempt live discovery (which would hang on unreachable MCP endpoints).
+	// Tests that construct app root commands must remain serial because root
+	// construction initializes process-wide helper dependencies.
 	absFixture, _ := filepath.Abs("testdata/empty_catalog.json")
 	os.Setenv(cli.CatalogFixtureEnv, absFixture)
 
diff --git a/test/cli/unregistered_modules_command_test.go b/test/cli/unregistered_modules_command_test.go
index c9502cad..1f89476c 100644
--- a/test/cli/unregistered_modules_command_test.go
+++ b/test/cli/unregistered_modules_command_test.go
@@ -8,8 +8,6 @@ import (
 )
 
 func TestRootHelpHidesRecoveredModules(t *testing.T) {
-	t.Parallel()
-
 	cmd := app.NewRootCommand()
 	var out strings.Builder
 	cmd.SetOut(&out)
diff --git a/test/scripts/ai_behavior_policy_test.go b/test/scripts/ai_behavior_policy_test.go
index 0030b3fd..57875c59 100644
--- a/test/scripts/ai_behavior_policy_test.go
+++ b/test/scripts/ai_behavior_policy_test.go
@@ -24,6 +24,7 @@ func TestAIBehaviorPolicyProtectsEnforcementInputs(t *testing.T) {
 
 	workflow := string(data)
 	for _, want := range []string{
+		"filename.startsWith('scripts/ci/')",
 		"filename.startsWith('scripts/policy/')",
 		"filename === 'test/fixtures/cli-interface-baseline.txt'",
 		"previous_filename",
diff --git a/test/scripts/changelog_pr_gate_test.go b/test/scripts/changelog_pr_gate_test.go
index 611819f3..df21137b 100644
--- a/test/scripts/changelog_pr_gate_test.go
+++ b/test/scripts/changelog_pr_gate_test.go
@@ -421,6 +421,10 @@ func TestChangelogPRFastPathWorkflowContract(t *testing.T) {
 		`COVERAGE_ENFORCE_OVERALL: "false"`,
 		`COVERAGE_OVERALL_TOLERANCE: "0"`,
 		`COVERAGE_ADDITIONAL_DIFF_PROFILE=coverage-shortcut.txt`,
+		"run: make test-plan",
+		"run: make format-check",
+		"./scripts/ci/test-packages.sh list",
+		`package_output="$(./scripts/ci/test-packages.sh list`,
 	} {
 		if !strings.Contains(admission, want) {
 			t.Errorf("Code Admission workflow missing contract %q", want)
diff --git a/test/scripts/ci_test_package_plan_test.go b/test/scripts/ci_test_package_plan_test.go
new file mode 100644
index 00000000..6d6fda11
--- /dev/null
+++ b/test/scripts/ci_test_package_plan_test.go
@@ -0,0 +1,106 @@
+package scripts_test
+
+import (
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestCITestPackagePlanCoversDefaultPackagesExactlyOnce(t *testing.T) {
+	root := testPackagePlanRoot(t)
+	output := runTestPackagePlan(t, root, "verify")
+	if !strings.Contains(output, "default packages exactly once") {
+		t.Fatalf("verify output = %q, want coverage summary", output)
+	}
+}
+
+func TestCITestPackagePlanRoutesPublicTestSuites(t *testing.T) {
+	root := testPackagePlanRoot(t)
+	remaining := strings.Fields(runTestPackagePlan(t, root, "list", "remaining"))
+	releaseScripts := strings.Fields(runTestPackagePlan(t, root, "list", "release-scripts"))
+
+	for _, suffix := range []string{
+		"/test/cli",
+		"/test/contract",
+		"/test/integration/extensions",
+		"/test/mock_mcp",
+		"/test/smoke",
+		"/test/unit",
+	} {
+		if !containsPackageSuffix(remaining, suffix) {
+			t.Errorf("remaining shard does not contain package ending in %q", suffix)
+		}
+	}
+	if containsPackageSuffix(remaining, "/test/scripts") {
+		t.Error("remaining shard unexpectedly contains /test/scripts")
+	}
+	if !containsPackageSuffix(releaseScripts, "/test/scripts") {
+		t.Error("release-scripts shard does not contain /test/scripts")
+	}
+}
+
+func TestCITestPackagePlanFailsClosedWhenGoListFails(t *testing.T) {
+	root := testPackagePlanRoot(t)
+	fakeBin := t.TempDir()
+	fakeGo := filepath.Join(fakeBin, "go")
+	err := os.WriteFile(fakeGo, []byte(`#!/bin/sh
+if [ "$1" = "list" ] && [ "$2" = "-m" ]; then
+  printf '%s\n' 'github.com/DingTalk-Real-AI/dingtalk-workspace-cli'
+  exit 0
+fi
+printf '%s\n' 'injected go list failure' >&2
+exit 42
+`), 0o755)
+	if err != nil {
+		t.Fatalf("write fake go: %v", err)
+	}
+
+	script := filepath.Join(root, "scripts", "ci", "test-packages.sh")
+	for _, args := range [][]string{{"list", "remaining"}, {"verify"}} {
+		cmd := exec.Command("sh", append([]string{script}, args...)...)
+		cmd.Dir = root
+		cmd.Env = []string{
+			"PATH=" + fakeBin + string(os.PathListSeparator) + os.Getenv("PATH"),
+			"TMPDIR=" + t.TempDir(),
+		}
+		output, runErr := cmd.CombinedOutput()
+		if runErr == nil {
+			t.Fatalf("%s unexpectedly succeeded with failing go list:\n%s", strings.Join(args, " "), output)
+		}
+		if !strings.Contains(string(output), "injected go list failure") {
+			t.Fatalf("%s failure output = %q, want injected failure", strings.Join(args, " "), output)
+		}
+	}
+}
+
+func testPackagePlanRoot(t *testing.T) string {
+	t.Helper()
+	root, err := filepath.Abs(filepath.Join("..", ".."))
+	if err != nil {
+		t.Fatalf("resolve repository root: %v", err)
+	}
+	return root
+}
+
+func runTestPackagePlan(t *testing.T, root string, args ...string) string {
+	t.Helper()
+	script := filepath.Join(root, "scripts", "ci", "test-packages.sh")
+	cmd := exec.Command("sh", append([]string{script}, args...)...)
+	cmd.Dir = root
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		t.Fatalf("%s %s failed: %v\n%s", script, strings.Join(args, " "), err, output)
+	}
+	return string(output)
+}
+
+func containsPackageSuffix(packages []string, suffix string) bool {
+	for _, packagePath := range packages {
+		if strings.HasSuffix(packagePath, suffix) {
+			return true
+		}
+	}
+	return false
+}
diff --git a/test/scripts/run_all_tests.sh b/test/scripts/run_all_tests.sh
deleted file mode 100755
index 23743b10..00000000
--- a/test/scripts/run_all_tests.sh
+++ /dev/null
@@ -1,234 +0,0 @@
-#!/usr/bin/env bash
-# run_all_tests.sh — Run all test suites in parallel and print a summary.
-# Usage: bash test/scripts/run_all_tests.sh [--verbose] [--timeout <duration>] [--jobs <n>]
-#
-# Options:
-#   --verbose          Print full test output for every suite (default: only on failure)
-#   --timeout <dur>    Per-suite go test timeout (default: 120s)
-#   --jobs <n>         Max parallel suites (default: number of CPU cores)
-
-set -uo pipefail
-
-REPO_ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
-VERBOSE=false
-TIMEOUT="120s"
-MAX_JOBS="$(getconf _NPROCESSORS_ONLN 2>/dev/null || echo 4)"
-
-# ── Parse flags ──────────────────────────────────────────────────────────────
-while [[ $# -gt 0 ]]; do
-  case "$1" in
-    --verbose) VERBOSE=true; shift ;;
-    --timeout) TIMEOUT="$2"; shift 2 ;;
-    --jobs)    MAX_JOBS="$2"; shift 2 ;;
-    *) echo "Unknown option: $1" >&2; exit 1 ;;
-  esac
-done
-
-# ── Colour helpers ────────────────────────────────────────────────────────────
-RED='\033[0;31m'
-GREEN='\033[0;32m'
-YELLOW='\033[1;33m'
-CYAN='\033[0;36m'
-BOLD='\033[1m'
-RESET='\033[0m'
-
-# ── Test suite definitions ────────────────────────────────────────────────────
-# Each entry: "label|package_path"
-declare -a SUITES=(
-  "cli|./test/cli/..."
-  "contract|./test/contract/..."
-  "integration/extensions|./test/integration/extensions/..."
-  "integration/recovery|./test/integration/recovery/..."
-  "mock_mcp|./test/mock_mcp/..."
-  "scripts|./test/scripts/..."
-)
-
-# ── Temporary workspace ───────────────────────────────────────────────────────
-LOG_DIR="$(mktemp -d)"
-trap 'rm -rf "$LOG_DIR"' EXIT
-
-# ── Worker: run one suite, write result files ─────────────────────────────────
-# Result files written to $LOG_DIR/<safe_label>/{status,output}
-run_suite_worker() {
-  local label="$1"
-  local pkg="$2"
-  local safe_label="${label//\//_}"
-  local suite_dir="$LOG_DIR/$safe_label"
-  mkdir -p "$suite_dir"
-
-  # Check whether the package directory actually exists
-  local pkg_dir="${pkg//\.\//}"
-  pkg_dir="${pkg_dir%/...}"
-  if [[ ! -d "$REPO_ROOT/$pkg_dir" ]]; then
-    echo "skip" > "$suite_dir/status"
-    echo "(directory not found)" > "$suite_dir/output"
-    return
-  fi
-
-  local exit_code=0
-  (
-    cd "$REPO_ROOT"
-    go test -timeout "$TIMEOUT" -count=1 "$pkg" 2>&1
-  ) > "$suite_dir/output" 2>&1 || exit_code=$?
-
-  if [[ $exit_code -eq 0 ]]; then
-    echo "pass" > "$suite_dir/status"
-  elif grep -q "matched no packages\|no packages to test\|\[no test files\]" "$suite_dir/output" 2>/dev/null; then
-    echo "skip" > "$suite_dir/status"
-    echo "(no test files found)" > "$suite_dir/output"
-  else
-    echo "fail" > "$suite_dir/status"
-  fi
-}
-
-export -f run_suite_worker
-export REPO_ROOT TIMEOUT LOG_DIR
-
-# ── Main ──────────────────────────────────────────────────────────────────────
-echo ""
-printf "${BOLD}╔══════════════════════════════════════════════════════════════╗${RESET}\n"
-printf "${BOLD}║              dws — Full Test Suite Runner                    ║${RESET}\n"
-printf "${BOLD}╚══════════════════════════════════════════════════════════════╝${RESET}\n"
-echo ""
-printf "Repo root : %s\n" "$REPO_ROOT"
-printf "Timeout   : %s per suite\n" "$TIMEOUT"
-printf "Parallel  : %s jobs\n" "$MAX_JOBS"
-printf "Verbose   : %s\n" "$VERBOSE"
-echo ""
-printf "${BOLD}Launching %d suites in parallel…${RESET}\n" "${#SUITES[@]}"
-echo ""
-
-START_TIME=$(date +%s)
-
-# ── Dispatch all suites concurrently with a job-slot semaphore ────────────────
-declare -a PIDS=()
-declare -a PID_LABELS=()
-active_jobs=0
-
-for suite in "${SUITES[@]}"; do
-  label="${suite%%|*}"
-  pkg="${suite##*|}"
-
-  printf "  ${CYAN}START${RESET}  %s\n" "$label"
-
-  run_suite_worker "$label" "$pkg" &
-  PIDS+=($!)
-  PID_LABELS+=("$label")
-  active_jobs=$((active_jobs + 1))
-
-  # Throttle: wait for one slot to free up when at capacity
-  if [[ $active_jobs -ge $MAX_JOBS ]]; then
-    wait "${PIDS[$((${#PIDS[@]} - MAX_JOBS))]}" 2>/dev/null || true
-    active_jobs=$((active_jobs - 1))
-  fi
-done
-
-# Wait for all remaining background jobs
-for pid in "${PIDS[@]}"; do
-  wait "$pid" 2>/dev/null || true
-done
-
-END_TIME=$(date +%s)
-ELAPSED=$((END_TIME - START_TIME))
-
-# ── Collect results in original suite order ───────────────────────────────────
-TOTAL=0
-PASSED=0
-FAILED=0
-SKIPPED=0
-
-declare -a FAILED_SUITES=()
-declare -a PASSED_SUITES=()
-declare -a SKIPPED_SUITES=()
-
-echo ""
-printf "${BOLD}Results:${RESET}\n"
-echo ""
-
-for suite in "${SUITES[@]}"; do
-  label="${suite%%|*}"
-  safe_label="${label//\//_}"
-  suite_dir="$LOG_DIR/$safe_label"
-  status_file="$suite_dir/status"
-  output_file="$suite_dir/output"
-
-  TOTAL=$((TOTAL + 1))
-
-  if [[ ! -f "$status_file" ]]; then
-    # Worker never wrote a status — treat as failure
-    printf "  ${RED}FAIL${RESET}  %s  (worker did not complete)\n" "$label"
-    FAILED=$((FAILED + 1))
-    FAILED_SUITES+=("$label")
-    continue
-  fi
-
-  status="$(cat "$status_file")"
-
-  case "$status" in
-    pass)
-      PASSED=$((PASSED + 1))
-      PASSED_SUITES+=("$label")
-      printf "  ${GREEN}PASS${RESET}  %s\n" "$label"
-      if $VERBOSE; then
-        sed 's/^/    /' "$output_file"
-      fi
-      ;;
-    skip)
-      SKIPPED=$((SKIPPED + 1))
-      SKIPPED_SUITES+=("$label")
-      printf "  ${YELLOW}SKIP${RESET}  %s  %s\n" "$label" "$(cat "$output_file")"
-      ;;
-    fail)
-      FAILED=$((FAILED + 1))
-      FAILED_SUITES+=("$label")
-      printf "  ${RED}FAIL${RESET}  %s\n" "$label"
-      echo "  ── output ──────────────────────────────────────────────────────"
-      sed 's/^/  /' "$output_file"
-      echo "  ────────────────────────────────────────────────────────────────"
-      ;;
-  esac
-done
-
-# ── Summary ───────────────────────────────────────────────────────────────────
-echo ""
-printf "${BOLD}══════════════════════════════════════════════════════════════${RESET}\n"
-printf "${BOLD}  Summary  (elapsed: %ds, parallel: %s jobs)${RESET}\n" "$ELAPSED" "$MAX_JOBS"
-printf "${BOLD}══════════════════════════════════════════════════════════════${RESET}\n"
-printf "  Total   : %d\n" "$TOTAL"
-printf "  ${GREEN}Passed  : %d${RESET}\n" "$PASSED"
-printf "  ${RED}Failed  : %d${RESET}\n" "$FAILED"
-printf "  ${YELLOW}Skipped : %d${RESET}\n" "$SKIPPED"
-echo ""
-
-if [[ ${#FAILED_SUITES[@]} -gt 0 ]]; then
-  printf "${RED}${BOLD}Failed suites:${RESET}\n"
-  for suite in "${FAILED_SUITES[@]}"; do
-    printf "  ${RED}✗${RESET}  %s\n" "$suite"
-  done
-  echo ""
-fi
-
-if [[ ${#SKIPPED_SUITES[@]} -gt 0 ]]; then
-  printf "${YELLOW}Skipped suites:${RESET}\n"
-  for suite in "${SKIPPED_SUITES[@]}"; do
-    printf "  ${YELLOW}–${RESET}  %s\n" "$suite"
-  done
-  echo ""
-fi
-
-if [[ ${#PASSED_SUITES[@]} -gt 0 ]]; then
-  printf "${GREEN}Passed suites:${RESET}\n"
-  for suite in "${PASSED_SUITES[@]}"; do
-    printf "  ${GREEN}✓${RESET}  %s\n" "$suite"
-  done
-  echo ""
-fi
-
-# ── Exit code ─────────────────────────────────────────────────────────────────
-if [[ $FAILED -gt 0 ]]; then
-  printf "${RED}${BOLD}Result: FAILED${RESET}\n\n"
-  exit 1
-else
-  printf "${GREEN}${BOLD}Result: ALL PASSED${RESET}\n\n"
-  exit 0
-fi