docs(policy): document policy evaluation API

Author: poyrazK

docs/contracts/rest-api-v1.md

@@ -163,6 +163,10 @@ This document defines the MVP API contract groups, standards, and core request/r
 - Request supports `moderationState` with values `VISIBLE`, `HIDDEN`, or `REMOVED`
 - Reuses the content policy record and preserves existing age/geo fields
 
+### `POST /v1/policy/content/{content_id}/evaluate`
+- Evaluates whether content is allowed for viewing/playback in a given request context
+- Request supports optional `countryCode` and optional `ageVerified`
+
 ### `GET /v1/moderation/comments/reports`
 - Lists reported comments for moderator queue
 

docs/mvp-backend-implementation-plan.md

@@ -494,7 +494,7 @@ Current completed slices:
 
 Next active slice:
 
-- Policy-service moderation API:
-  - add `PATCH /v1/moderation/content/{content_id}` for moderation state updates
-  - preserve existing age/geo policy fields when moderation changes
-  - keep policy evaluation and downstream enforcement for a follow-up PR
+- Policy-service evaluation API:
+  - add `POST /v1/policy/content/{content_id}/evaluate` for reusable policy decisions
+  - evaluate moderation, age restriction, and geo policy in one decision flow
+  - keep downstream enforcement wiring for playback and discovery follow-up PRs