# Get Sectors

Get list of all available sectors from gold_sec_master.

Args:
    is_active: Optional active status filter (None/undefined returns all, True returns active only, False returns inactive only)
    user: Authenticated user
    db: Database session
    
Returns:
    List of sectors with security counts

Endpoint: GET /series/sectors
Version: 1.0.0
Security: HTTPBearer

## Query parameters:

  - `is_active` (any)
    Filter by active status (None = all securities)

## Response 200 fields (application/json):

  - `sector` (string, required)

  - `security_count` (integer, required)

## Response 422 fields (application/json):

  - `detail` (array)

  - `detail.loc` (array, required)

  - `detail.msg` (string, required)

  - `detail.type` (string, required)