## Type of Change
To implement this **payment** feature, you'll need to modify these architectural layers:


**1. API Request/Response Models**
   - `crates/api_models/src/open_router.rs`

**2. Core Business Logic**
   - `crates/router/src/core/routing.rs`
   - `crates/router/src/core/routing/helpers.rs`

**Code Patterns Applied:**
- Extend existing types with new fields (2 changes)
- Add conditional logic for feature flags or filtering (2 changes)

**Detailed Identifier Changes:**


Commit 8446ffbf:
Files to modify:


**crates/api_models/src/open_router.rs**
  Modify existing code

**crates/router/src/core/routing.rs**
  Modify existing code

**crates/router/src/core/routing/helpers.rs**
  Modify existing code
{"pr_number": 9036, "pr_title": "fix(routing): activating multiple configs in decision engine", "merged_at": "2025-08-26T12:49:19Z", "intent": {"feature_type": "payment", "action": "add_feature", "entities": ["payment", "merchant", "user"]}, "hierarchy": {"api_models": ["crates/api_models/src/open_router.rs"], "core_business": ["crates/router/src/core/routing.rs", "crates/router/src/core/routing/helpers.rs"]}, "change_types": {"fields_added": 2, "imports_added": 1, "conditionals_added": 2}, "has_identifier_data": true, "commits_matched": 1, "match_method": "pr_number"}