Implement Basic Rule-Based Filtering and text search

[alexphiev]

Description:
Create fast filtering system based on user query parameters.

Tasks:

• Build SQL queries with filters:
  • Place type (waterfall, peak, etc.)
  • Distance from coordinates (PostGIS)
  • Minimum score threshold
  • Optional: season/accessibility
• Create API endpoint: POST /api/search
• Return 5-15 candidate places matching criteria
• Add response caching for common queries

Acceptance Criteria:

• Sub-200ms response time for filtered queries
• Returns relevant candidates based on user criteria