docs: prepare v1 milestone release

ARCHITECTURE.md

@@ -803,31 +803,27 @@ After the MVP works, add the other tools one at a time.
 
 ## 23. Future Roadmap
 
-Near term:
+The following items remain from the original planning scope:
 
-- Add all five MCP tools.
-- Add structured response formatting.
-- Add better tests.
-- Add context file opt-in loading.
+### Near term (post-v1)
 
-Medium term:
+- Add context file opt-in loading from `/context` directory
+- Add structured response formatting enhancements
 
-- Add Anthropic provider.
-- Add model-per-tool config.
-- Add cost tracking.
-- Add timeout/retry tuning.
-- Add local-only mode for sensitive reviews.
+### Medium term
 
-Later:
+- Add Anthropic provider adapter (abstraction layer ready; implement `send(request, config)` interface)
+- Add model-per-tool configuration
+- Add timeout/retry tuning per provider
 
-- Add Dockerfile.
-- Add Jenkins validation pipeline.
-- Add Gitea pull request workflow.
-- Add safe project summary generation.
-- Add optional OpenHands integration.
-- Implement Anthropic provider.
-- Add streaming responses support.
-- Add cost tracking per tool call.
+### Later
+
+- Add Dockerfile
+- Add CI/CD pipeline (Jenkins validation, Gitea PR workflow)
+- Add safe project summary generation
+- Add optional OpenHands integration
+- Add streaming responses support
+- Add cost tracking per tool call
 
 ---