feat: Add new analysis documents and update installation scripts for backend integration

This commit introduces several new analysis documents, including Auto-Match Load Performance Analysis, Folder Picker Analysis, Monorepo Migration Summary, and various performance analysis documents. Additionally, the installation scripts are updated to reflect changes in backend service paths, ensuring proper integration with the new backend structure. These enhancements provide better documentation and streamline the setup process for users.

backend/schemas/people.py

@@ -0,0 +1,81 @@
+"""People schemas for web API (Phase 3)."""
+
+from __future__ import annotations
+
+from datetime import date
+from typing import Optional
+
+from pydantic import BaseModel, ConfigDict, Field
+
+
+class PersonResponse(BaseModel):
+    """Person DTO returned from API."""
+
+    model_config = ConfigDict(from_attributes=True, protected_namespaces=())
+
+    id: int
+    first_name: str
+    last_name: str
+    middle_name: Optional[str] = None
+    maiden_name: Optional[str] = None
+    date_of_birth: Optional[date] = None
+
+
+class PersonCreateRequest(BaseModel):
+    """Request payload to create a new person."""
+
+    model_config = ConfigDict(protected_namespaces=())
+
+    first_name: str = Field(..., min_length=1)
+    last_name: str = Field(..., min_length=1)
+    middle_name: Optional[str] = None
+    maiden_name: Optional[str] = None
+    date_of_birth: Optional[date] = None
+
+
+class PeopleListResponse(BaseModel):
+    """List of people for selection dropdowns."""
+
+    model_config = ConfigDict(protected_namespaces=())
+
+    items: list[PersonResponse]
+    total: int
+
+
+class PersonUpdateRequest(BaseModel):
+    """Request payload to update a person."""
+
+    model_config = ConfigDict(protected_namespaces=())
+
+    first_name: str = Field(..., min_length=1)
+    last_name: str = Field(..., min_length=1)
+    middle_name: Optional[str] = None
+    maiden_name: Optional[str] = None
+    date_of_birth: Optional[date] = None
+
+
+class PersonWithFacesResponse(BaseModel):
+    """Person with face count for modify identified workflow."""
+
+    model_config = ConfigDict(from_attributes=True, protected_namespaces=())
+
+    id: int
+    first_name: str
+    last_name: str
+    middle_name: Optional[str] = None
+    maiden_name: Optional[str] = None
+    date_of_birth: Optional[date] = None
+    face_count: int
+    video_count: int
+
+
+class PeopleWithFacesListResponse(BaseModel):
+    """List of people with face counts."""
+
+    model_config = ConfigDict(protected_namespaces=())
+
+    items: list[PersonWithFacesResponse]
+    total: int
+
+
+