refactor: switch to free-trial/private-deploy/buyout pricing, fix feature gaps, add SEO landing + deploy config

backend/alembic/versions/add_enterprise_leads.py

@@ -0,0 +1,40 @@
+"""add enterprise_leads table
+
+Revision ID: add_enterprise_leads
+Revises: add_perf_indexes
+Create Date: 2026-07-11
+
+Stores inbound leads from the private-deployment / source-buyout CTAs.
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'add_enterprise_leads'
+down_revision = 'add_perf_indexes'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        'enterprise_leads',
+        sa.Column('id', sa.String(36), primary_key=True),
+        sa.Column('type', sa.String(20), nullable=False, server_default='private'),
+        sa.Column('name', sa.String(100), nullable=False, server_default=''),
+        sa.Column('company', sa.String(200), nullable=False, server_default=''),
+        sa.Column('phone', sa.String(50), nullable=False, server_default=''),
+        sa.Column('email', sa.String(200), nullable=False, server_default=''),
+        sa.Column('message', sa.Text(), nullable=False, server_default=''),
+        sa.Column('status', sa.String(20), nullable=False, server_default='new'),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.func.now()),
+    )
+    op.create_index('ix_enterprise_leads_type', 'enterprise_leads', ['type'])
+    op.create_index('ix_enterprise_leads_status', 'enterprise_leads', ['status'])
+
+
+def downgrade() -> None:
+    op.drop_index('ix_enterprise_leads_status', table_name='enterprise_leads')
+    op.drop_index('ix_enterprise_leads_type', table_name='enterprise_leads')
+    op.drop_table('enterprise_leads')

backend/app/api/v1/leads.py

@@ -0,0 +1,34 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.ext.asyncio import AsyncSession
+from pydantic import BaseModel, EmailStr
+from app.database import get_db
+from app.models.enterprise_lead import EnterpriseLead
+
+router = APIRouter()
+
+
+class LeadCreate(BaseModel):
+    type: str  # private | buyout
+    name: str
+    company: str = ""
+    phone: str = ""
+    email: str = ""
+    message: str = ""
+
+
+@router.post("")
+async def create_lead(payload: LeadCreate, db: AsyncSession = Depends(get_db)):
+    if payload.type not in ("private", "buyout"):
+        raise HTTPException(status_code=400, detail="Invalid lead type")
+    lead = EnterpriseLead(
+        type=payload.type,
+        name=payload.name,
+        company=payload.company,
+        phone=payload.phone,
+        email=payload.email,
+        message=payload.message,
+    )
+    db.add(lead)
+    await db.flush()
+    await db.refresh(lead)
+    return {"id": lead.id, "type": lead.type, "status": lead.status}

backend/app/core/csrf.py

@@ -26,6 +26,7 @@ CSRF_SKIP_ENDPOINTS = [
     "/api/v1/payment/",
     "/api/v1/whatsapp/webhook",
     "/api/v1/ai/",
+    "/api/v1/leads",
 ]
 
 

backend/app/main.py

@@ -129,7 +129,7 @@ async def health():
     return {"status": "ok", "app": settings.APP_NAME, "version": "1.0.0"}
 
 
-from app.api.v1 import auth, marketing, translate, customer, quotation, whatsapp, product, exchange, push, admin, analytics, teams, onboarding, notification, feedback, payment, interaction, silent_pattern, training, followup, ai_assistant, discovery, discovery_record, certification, invoice, usage, referral, admin_search, search, admin_ai, credits, admin_credits, agent
+from app.api.v1 import auth, marketing, translate, customer, quotation, whatsapp, product, exchange, push, admin, analytics, teams, onboarding, notification, feedback, payment, interaction, silent_pattern, training, followup, ai_assistant, discovery, discovery_record, certification, invoice, usage, referral, admin_search, search, admin_ai, credits, admin_credits, agent, leads
 
 app.include_router(auth.router, prefix="/api/v1/auth", tags=["auth"])
 app.include_router(marketing.router, prefix="/api/v1/marketing", tags=["marketing"])
@@ -165,6 +165,7 @@ app.include_router(admin_credits.router, prefix="/api/v1/admin", tags=["admin"])
 app.include_router(credits.router, prefix="/api/v1/credits", tags=["credits"])
 app.include_router(search.router, prefix="/api/v1/search", tags=["search"])
 app.include_router(agent.router, prefix="/api/v1/agent", tags=["agent"])
+app.include_router(leads.router, prefix="/api/v1/leads", tags=["leads"])
 
 
 if __name__ == "__main__":

backend/app/models/__init__.py

@@ -24,6 +24,7 @@ from .user_credit import UserCredit
 from .credit_consumption import CreditConsumption
 from .credit_purchase import CreditPurchase
 from .agent_pipeline import AgentPipeline
+from .enterprise_lead import EnterpriseLead
 
 __all__ = [
     "User", "Product",
@@ -47,4 +48,5 @@ __all__ = [
     "CreditConsumption",
     "CreditPurchase",
     "AgentPipeline",
+    "EnterpriseLead",
 ]

backend/app/models/enterprise_lead.py

@@ -0,0 +1,17 @@
+from sqlalchemy import Column, String, Text, DateTime, func
+from app.database import Base
+import uuid
+
+
+class EnterpriseLead(Base):
+    __tablename__ = "enterprise_leads"
+
+    id = Column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
+    type = Column(String(20), nullable=False, default="private")  # private | buyout
+    name = Column(String(100), nullable=False, default="")
+    company = Column(String(200), nullable=False, default="")
+    phone = Column(String(50), nullable=False, default="")
+    email = Column(String(200), nullable=False, default="")
+    message = Column(Text, nullable=False, default="")
+    status = Column(String(20), nullable=False, default="new")  # new | contacted | done
+    created_at = Column(DateTime(timezone=True), server_default=func.now())

backend/tests/test_leads_api.py

@@ -0,0 +1,36 @@
+import pytest
+from httpx import AsyncClient
+
+
+class TestLeadsAPI:
+    async def test_create_private_lead(self, client: AsyncClient):
+        res = await client.post(
+            "/api/v1/leads",
+            json={
+                "type": "private",
+                "name": "张三",
+                "company": "测试外贸公司",
+                "phone": "13800138000",
+                "message": "想私有化部署",
+            },
+        )
+        assert res.status_code == 200
+        data = res.json()
+        assert data["type"] == "private"
+        assert data["status"] == "new"
+        assert data["id"]
+
+    async def test_create_buyout_lead(self, client: AsyncClient):
+        res = await client.post(
+            "/api/v1/leads",
+            json={"type": "buyout", "name": "李四", "phone": "13900139000"},
+        )
+        assert res.status_code == 200
+        assert res.json()["type"] == "buyout"
+
+    async def test_invalid_type_rejected(self, client: AsyncClient):
+        res = await client.post(
+            "/api/v1/leads",
+            json={"type": "wrong", "name": "x", "phone": "1"},
+        )
+        assert res.status_code == 400