feat: enable default context compression in SDK and Studio

.github/scripts/report_pytest_failures.py

@@ -0,0 +1,77 @@
+# Copyright (c) 2025 Beijing Volcano Engine Technology Co., Ltd. and/or its affiliates.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Expose CI failure locations without publishing assertion payloads or secrets."""
+
+import importlib.metadata
+from pathlib import Path
+import re
+import sys
+import xml.etree.ElementTree as ET
+
+
+def failure_locations(report: Path) -> list[str]:
+    if not report.exists():
+        return ["JUnit report unavailable; check the preceding installation/test step."]
+    locations = []
+    for case in ET.parse(report).getroot().iter("testcase"):
+        failure = next((x for x in case if x.tag in {"failure", "error"}), None)
+        if failure is None:
+            continue
+        # Test parameters and assertion text can contain credentials or prompts.
+        # Publish only Python identifiers and repository test source locations.
+        name = case.get("name", "").split("[", 1)[0]
+        name = name if re.fullmatch(r"[a-zA-Z_][a-zA-Z_0-9]*", name) else "collection"
+        classname = case.get("classname", "")
+        classname = (
+            classname
+            if re.fullmatch(r"[a-zA-Z_][a-zA-Z_0-9.]*", classname)
+            else "tests"
+        )
+        source = re.findall(
+            r"^(tests/[a-zA-Z_0-9/]+\.py):(\d+):", failure.text or "", re.MULTILINE
+        )
+        suffix = f" at {source[-1][0]}:{source[-1][1]}" if source else ""
+        locations.append(f"{classname}.{name}{suffix}")
+    return locations
+
+
+def main() -> None:
+    packages = [
+        "google-adk",
+        "litellm",
+        "google-genai",
+        "pydantic",
+        "pytest",
+        "pytest-asyncio",
+        "sqlalchemy",
+        "aiosqlite",
+        "agentkit-sdk-python",
+        "opentelemetry-sdk",
+    ]
+    versions = []
+    for name in packages:
+        try:
+            version = importlib.metadata.version(name)
+        except importlib.metadata.PackageNotFoundError:
+            version = "missing"
+        if re.fullmatch(r"[a-zA-Z0-9._+!-]+", version):
+            versions.append(f"{name}={version}")
+    print("::notice title=Dependency versions::" + "; ".join(versions))
+    for location in failure_locations(Path(sys.argv[1]))[:30]:
+        print("::error title=Pytest failure location::" + location)
+
+
+if __name__ == "__main__":
+    main()

.github/workflows/context-compression-gate.yaml

@@ -0,0 +1,85 @@
+name: Context Compression Gate
+
+on:
+  workflow_call:
+  pull_request:
+    paths:
+      - 'veadk/context/**'
+      - 'veadk/agent.py'
+      - 'veadk/runner.py'
+      - 'veadk/memory/**'
+      - 'veadk/agents/**'
+      - 'veadk/models/**'
+      - 'veadk/cli/generated_agent_*.py'
+      - 'veadk/cli/cli_frontend.py'
+      - 'veadk/integrations/agentkit/app.py'
+      - 'frontend/src/create/**'
+      - 'frontend/src/adk/client.ts'
+      - 'frontend/src/ui/AgentTopology.tsx'
+      - 'frontend/src/i18n/resources/**'
+      - 'frontend/tests/contextCompression*.test.mjs'
+      - 'veadk/extensions/harness/plugins/compactor/**'
+      - 'tests/context/**'
+      - 'tests/agent/**'
+      - 'tests/cli/test_generated_agent_backend_codegen*.py'
+      - 'evaluations/context_compression/**'
+      - 'tests/models/**'
+      - 'tests/run_context_compression_gate.py'
+      - 'tests/test_context_release_gate.py'
+      - 'tests/fixtures/adk_dependency_metadata.json'
+      - 'tests/test_ci_failure_summary.py'
+      - '.github/scripts/report_pytest_failures.py'
+      - '.github/workflows/context-compression-gate.yaml'
+      - '.github/workflows/publish-tag-to-pypi.yaml'
+      - '.github/workflows/publish-studio-release.yaml'
+      - 'pyproject.toml'
+      - 'uv.lock'
+
+permissions:
+  contents: read
+
+jobs:
+  studio-contracts:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    defaults:
+      run:
+        working-directory: frontend
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: npm
+          cache-dependency-path: frontend/package-lock.json
+      - run: npm ci --ignore-scripts --no-audit --no-fund
+      - run: node --test tests/contextCompression*.test.mjs
+  contracts:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    strategy:
+      fail-fast: false
+      matrix:
+        python: ['3.10', '3.12']
+        # Keep installable targets aligned with pyproject.toml. ADK >=2.3
+        # conflicts with AgentKit 0.8.x's OTel cap; rejection is regression
+        # tested in test_context_release_gate.py, not claimed as support.
+        adk: ['1.34.0', '2.1.0', '2.2.0']
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Install fixed ADK compatibility target
+        run: python -m pip install -e '.[dev]' 'google-adk==${{ matrix.adk }}'
+      - name: Check installed dependency consistency
+        run: python -m pip check
+      - name: Run isolated SDK and Runner contracts
+        run: python tests/run_context_compression_gate.py -q --junitxml="$GITHUB_WORKSPACE/context-contracts.xml"
+      - name: Report failure locations and dependency versions
+        if: failure()
+        run: python .github/scripts/report_pytest_failures.py context-contracts.xml

.github/workflows/harness-sidecar-release-gate.yaml

@@ -86,7 +86,8 @@ jobs:
   backend-gate:
     name: Backend gate
     runs-on: ubuntu-latest
-    timeout-minutes: 3
+    # Dependency setup must not consume the Sidecar execution time limit.
+    timeout-minutes: 10
     steps:
       - uses: actions/checkout@v4
 
@@ -99,9 +100,11 @@ jobs:
             uv.lock
 
       - name: Install Python test dependencies
+        timeout-minutes: 5
         run: python -m pip install -e '.[dev]'
 
       - name: Run Python Sidecar checks in parallel
+        timeout-minutes: 3
         shell: bash
         run: |
           set -euo pipefail

.github/workflows/publish-studio-release.yaml

@@ -44,13 +44,17 @@ concurrency:
   cancel-in-progress: ${{ github.event_name == 'pull_request' }}
 
 jobs:
+  context-compression-gate:
+    uses: ./.github/workflows/context-compression-gate.yaml
+
   harness-sidecar-release-gate:
     if: >-
       github.repository == 'volcengine/veadk-python' &&
       github.event_name == 'pull_request'
     uses: ./.github/workflows/harness-sidecar-release-gate.yaml
 
   verify:
+    needs: context-compression-gate
     if: >-
       github.repository == 'volcengine/veadk-python' &&
       (github.event_name == 'pull_request' || github.ref == 'refs/heads/main')

.github/workflows/publish-tag-to-pypi.yaml

@@ -5,11 +5,14 @@ on:
   workflow_dispatch:
 
 jobs:
+  context-compression-gate:
+    uses: ./.github/workflows/context-compression-gate.yaml
+
   harness-sidecar-release-gate:
     uses: ./.github/workflows/harness-sidecar-release-gate.yaml
 
   build:
-    needs: harness-sidecar-release-gate
+    needs: [harness-sidecar-release-gate, context-compression-gate]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4

.github/workflows/unit-tests.yaml

@@ -37,6 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     strategy:
+      fail-fast: false
       matrix:
         python-version: ["3.10", "3.12"]
 
@@ -65,7 +66,14 @@ jobs:
         # `codex_smoke` is excluded here rather than relying on its
         # CODEX_RUN_SMOKE opt-in alone: it spawns a real Codex subprocess and
         # binds two real loopback ports, which must never run under `-n 16`.
-        pytest -n 16 -m "not codex_smoke"
+        pytest -n 16 -m "not codex_smoke" --junitxml=unit-tests.xml
+
+    - name: Report failure locations and dependency versions
+      if: failure()
+      run: |
+        if [ -x .venv/bin/python ]; then
+          .venv/bin/python .github/scripts/report_pytest_failures.py unit-tests.xml
+        fi
 
   # Real Codex binary + real OS sandbox + real shim socket, against a stubbed
   # model backend (no credentials, no network egress). Kept out of the matrix

evaluations/context_compression/__init__.py

@@ -0,0 +1,15 @@
+# Copyright (c) 2025 Beijing Volcano Engine Technology Co., Ltd. and/or its affiliates.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Synthetic, paired context-compression evaluation; no network on import."""