T02: companies + contacts + import/export + N:M + soft-delete + GDPR + FTS

- Company CRUD with soft-delete, FTS search (tsvector + GIN), filter, pagination
- Contact CRUD with N:M company linking via company_contacts
- CSV/XLSX export, CSV import with dry-run preview
- GDPR hard-delete with deletion_log
- Audit log on all mutations
- 27 new tests (24 ACs), 56 total tests pass
- Migration 0002: contacts, company_contacts, FTS search_tsv
- Fixed T01 tests: POST→201, PATCH→PUT compatibility

app/schemas/company.py

@@ -1,4 +1,4 @@
-"""Company schema (minimal for cross-tenant test)."""
+"""Company schemas — create, update, read, list, pagination, search, filter."""
 
 from __future__ import annotations
 
@@ -7,17 +7,49 @@ from pydantic import BaseModel, Field
 
 class CompanyCreate(BaseModel):
     name: str = Field(..., min_length=1, max_length=100)
-    industry: str | None = None
-    phone: str | None = None
-    email: str | None = None
-    website: str | None = None
+    account_number: str | None = Field(None, max_length=40)
+    industry: str | None = Field(None, max_length=50)
+    phone: str | None = Field(None, max_length=30)
+    email: str | None = Field(None, max_length=255)
+    website: str | None = Field(None, max_length=500)
+    description: str | None = None
+
+
+class CompanyUpdate(BaseModel):
+    name: str | None = Field(None, min_length=1, max_length=100)
+    account_number: str | None = Field(None, max_length=40)
+    industry: str | None = Field(None, max_length=50)
+    phone: str | None = Field(None, max_length=30)
+    email: str | None = Field(None, max_length=255)
+    website: str | None = Field(None, max_length=500)
     description: str | None = None
 
 
 class CompanyResponse(BaseModel):
     id: str
     name: str
+    account_number: str | None = None
     industry: str | None = None
     phone: str | None = None
     email: str | None = None
-    annual_revenue: float | None = None
+    website: str | None = None
+    description: str | None = None
+    created_at: str | None = None
+    updated_at: str | None = None
+
+
+class CompanyDetailResponse(CompanyResponse):
+    contacts: list[dict] = Field(default_factory=list)
+
+
+class CompanyListResponse(BaseModel):
+    items: list[CompanyResponse]
+    total: int
+    page: int
+    page_size: int
+
+
+class CompanyExportRequest(BaseModel):
+    format: str = Field("csv", pattern="^(csv|xlsx)$")
+    industry: str | None = None
+    search: str | None = None