Fix documentation links and renderer references

Author: gildesmarais

.github/copilot-instructions.md

@@ -4,13 +4,13 @@ This repository uses a centralized documentation structure. All AI agents (inclu
 
 ## Canonical Documentation
 
-- **Agent Constraints**: [AGENTS.md](../../AGENTS.md) (Execution rules, verification, and UI principles)
-- **Contributor Guide**: [docs/README.md](../../docs/README.md) (Architecture, security, setup, and coding style)
-- **Design System**: [docs/design-system.md](../../docs/design-system.md) (Visual and CSS rules)
+- **Agent Constraints**: [AGENTS.md](../AGENTS.md) (Execution rules, verification, and UI principles)
+- **Contributor Guide**: [docs/README.md](../docs/README.md) (Architecture, security, setup, and coding style)
+- **Design System**: [docs/design-system.md](../docs/design-system.md) (Visual and CSS rules)
 
 ## Quick Reference for Agents
 
 - **Environment**: All commands MUST run inside the Dev Container.
 - **Verification**: Run `make ready` before any commit.
-- **Security**: Follow strict [Security & Safety Rules](../../docs/README.md#security--safety-rules).
-- **Style**: Follow [Architectural Constraints](../../docs/README.md#architectural-constraints) (YARD docs, Roda organization).
+- **Security**: Follow strict [Security & Safety Rules](../docs/README.md#security--safety-rules).
+- **Style**: Follow [Architectural Constraints](../docs/README.md#architectural-constraints) (YARD docs, Roda organization).

docs/README.md

@@ -32,7 +32,7 @@ Welcome! This is the canonical source of truth for contributing to `html2rss-web
 
 ## Development Setup (Dev Container)
 
-Use the repository's [Dev Container](.devcontainer/README.md) for all local development and tests.
+Use the repository's [Dev Container](../.devcontainer/README.md) for all local development and tests.
 Running the app directly on the host is not supported.
 
 ### Common Commands (Inside Dev Container)

docs/architecture.md

@@ -11,7 +11,7 @@ This document provides a mental model of how `html2rss-web` processes requests.
 [ Roda App (app/web/routes) ] <--- [ Auth / Security (app/web/security) ]
        |
        v
-[ Feeds Service (app/web/feeds) ] <--- [ Cache (app/web/feeds/cache) ]
+[ Feeds Service (app/web/feeds) ] <--- [ Cache (app/web/feeds/cache.rb) ]
        |
        v
 [ html2rss Gem ] <--- [ Request Strategies (Faraday / Browserless) ]
@@ -42,7 +42,7 @@ The `Html2rss::Web::Feeds::Service` orchestrates the extraction:
 
 1. Checks the `Html2rss::Web::Feeds::Cache`.
 2. If stale/missing, calls the `html2rss` gem with the resolved strategy.
-3. Renders the output using `RSSRenderer` (XML) or `JSONRenderer`.
+3. Renders the output using `RssRenderer` (XML) or `JsonRenderer`.
 
 ## Extension Points