diff --git a/tests/test_full_stack_contract.py b/tests/test_full_stack_contract.py
index 59cee34..1eec8b6 100644
--- a/tests/test_full_stack_contract.py
+++ b/tests/test_full_stack_contract.py
@@ -1,28 +1,163 @@
+import asyncio
 from pathlib import Path
 
+from a2a_pack import LocalRunContext, PlatformUserAuth
 from a2a_pack.cli.local import load_local_project
+from a2a_pack.mcp import skills_to_tools
+
+import agent
 
 
 ROOT = Path(__file__).resolve().parents[1]
 
 
+def _auth() -> PlatformUserAuth:
+    return PlatformUserAuth(sub="test-user", user_id=42, email="user@example.test", scopes=["agent:invoke"])
+
+
 def test_full_stack_product_contract():
     manifest = (ROOT / "a2a.yaml").read_text(encoding="utf-8")
     source = (ROOT / "agent.py").read_text(encoding="utf-8")
     frontend = (ROOT / "frontend" / "src" / "App.jsx").read_text(encoding="utf-8")
+    browser_client = (ROOT / "frontend" / "src" / "a2a.js").read_text(encoding="utf-8")
 
+    assert "version: 0.1.1" in manifest
+    assert "public: false" in manifest
     assert "frontend:" in manifest and "mount: /app" in manifest
     assert "resources:" in manifest and "databases:" in manifest
-    assert "migrations:" in manifest and "db/migrations" in manifest
+    assert "scope: user" in manifest and "db/migrations" in manifest
+    assert "runtime:" in manifest and "max_runtime_seconds: 120" in manifest
+
     assert "PlatformUserAuth" in source
     assert "AgentPlatformResources" in source and "AgentDatabase(" in source
-    assert "Skill runner" not in frontend, "replace the generic scaffold with the product workflow"
+    assert "LLMProvisioning" not in source and "ctx.llm" not in source
+    assert "A2A_LITELLM_KEY" not in source and "OPENAI_API_KEY" not in source
+    assert "SET %s" not in source and "statement_timeout=5000" in source
+    assert "contract_clock_execution_receipts" in source
+
+    assert "Skill runner" not in frontend
+    assert "ContractClock Studio" in frontend
+    assert "analyze_contract_upload" in frontend
+    assert "config.auth?.authorizeUrl || config.auth?.loginUrl" in browser_client
+    forbidden_frontend = ["DATABASE_URL", "A2A_LITELLM", "OPENAI_API_KEY", ".svc.cluster.local"]
+    assert not any(token in frontend or token in browser_client for token in forbidden_frontend)
 
     migrations = list((ROOT / "db" / "migrations").glob("*.sql"))
     assert migrations and all(path.read_text(encoding="utf-8").strip() for path in migrations)
 
     card = load_local_project(ROOT).agent_cls().card()
+    skill_names = {skill.name for skill in card.skills}
+    assert {"analyze_contract", "get_contract_deadlines", "analyze_contract_file", "analyze_contract_upload"} <= skill_names
     databases = card.runtime.platform_resources.databases
     assert databases, "live Agent Card must declare its managed database"
+    assert databases[0].scope == "user"
     assert databases[0].migrations is not None
     assert databases[0].migrations.path == "db/migrations"
+
+
+def test_success_and_failure_extraction_are_explicit_date_only():
+    success = agent._analyze_text(
+        contract_id="studio-contract-v1",
+        title="Studio Renewal Agreement",
+        text=(
+            "This Agreement renews automatically on 2026-12-31 unless either "
+            "party gives at least 60 days written notice. Invoices are due 30 "
+            "days after receipt."
+        ),
+    )
+    assert success["ok"] is True
+    assert success["contract_id"] == "studio-contract-v1"
+    assert success["deadlines"] == [
+        {"kind": "renewal", "date": "2026-12-31"},
+        {"kind": "notice", "date": "2026-11-01"},
+    ]
+
+    failure = agent._analyze_text(
+        contract_id="studio-contract-invalid",
+        title="Ambiguous Agreement",
+        text="This Agreement renews sometime next spring unless notice is given well in advance.",
+    )
+    assert failure == {
+        "ok": False,
+        "code": "ambiguous_date",
+        "contract_id": "studio-contract-invalid",
+    }
+
+
+def test_browser_upload_validation():
+    doc = agent.BrowserDocument(
+        filename="contract.txt",
+        media_type="text/plain",
+        data_base64="QWdyZWVtZW50IHJlbmV3cyBvbiAyMDI2LTEyLTMxLg==",
+    )
+    assert "2026-12-31" in agent._decode_browser_document(doc)
+
+    bad_doc = agent.BrowserDocument(filename="contract.txt", media_type="text/plain", data_base64="not-base64")
+    try:
+        agent._decode_browser_document(bad_doc)
+    except agent.UploadRejected as exc:
+        assert exc.result["code"] == "invalid_base64"
+    else:  # pragma: no cover
+        raise AssertionError("invalid base64 should be rejected")
+
+
+def test_acceptance_success_reload_and_receipt_with_mocked_db(monkeypatch):
+    store = {}
+
+    async def fake_save_analysis(**kwargs):
+        analysis = dict(kwargs["analysis"])
+        analysis["receipt"] = {
+            "agent": agent.ContractClockStudioV1.name,
+            "version": agent.ContractClockStudioV1.version,
+            "skill": kwargs["skill_name"],
+            "input_hash": "test-hash",
+            "status": "ok",
+        }
+        store[(kwargs["tenant_key"], kwargs["contract_id"])] = {
+            "title": kwargs["title"],
+            "deadlines": analysis["deadlines"],
+            "receipt": analysis["receipt"],
+            "updated_at": "2026-01-01T00:00:00+00:00",
+        }
+
+    async def fake_load_contract(**kwargs):
+        return store.get((kwargs["tenant_key"], kwargs["contract_id"]))
+
+    monkeypatch.setattr(agent, "_save_analysis", fake_save_analysis)
+    monkeypatch.setattr(agent, "_load_contract", fake_load_contract)
+
+    async def run():
+        app = agent.ContractClockStudioV1()
+        ctx = LocalRunContext(auth=_auth(), task_id="acceptance-task")
+        result = await app.invoke(
+            "analyze_contract",
+            ctx,
+            contract_id="studio-contract-v1",
+            title="Studio Renewal Agreement",
+            text=(
+                "This Agreement renews automatically on 2026-12-31 unless either "
+                "party gives at least 60 days written notice. Invoices are due 30 days after receipt."
+            ),
+        )
+        assert result["ok"] is True
+        assert result["deadlines"] == [
+            {"kind": "renewal", "date": "2026-12-31"},
+            {"kind": "notice", "date": "2026-11-01"},
+        ]
+        reload = await app.invoke("get_contract_deadlines", ctx, contract_id="studio-contract-v1")
+        assert reload["ok"] is True
+        assert reload["contract_id"] == "studio-contract-v1"
+        assert reload["deadlines"] == result["deadlines"]
+        assert reload["receipt"]["status"] == "ok"
+
+    asyncio.run(run())
+
+
+def test_mcp_tools_are_declared_for_list_and_call_contract():
+    app = agent.ContractClockStudioV1()
+    tools = skills_to_tools(app.skills.values())
+    names = {tool["name"] for tool in tools}
+    assert "analyze_contract" in names
+    assert "get_contract_deadlines" in names
+    get_tool = next(tool for tool in tools if tool["name"] == "get_contract_deadlines")
+    assert get_tool["inputSchema"]["properties"]["contract_id"]["type"] == "string"