docs(codex): expand evolve lite readme

Author: visahak

platform-integrations/codex/plugins/evolve-lite/README.md

@@ -174,6 +174,10 @@ This removes both `.evolve/subscribed/{name}/` and its mirrored recall copy unde
           her-guideline.md      # mirrored for recall, annotated [from: alice]
 ```
 
+## Example Walkthrough
+
+See the [Codex example walkthrough](../../../../docs/examples/hello_world/codex.md) for a step-by-step example showing the save-then-recall loop in a Codex workspace.
+
 ## Included Skills
 
 ### `evolve-lite:learn`
@@ -199,3 +203,56 @@ Remove a configured subscription and delete its local clones and mirrored recall
 ### `evolve-lite:sync`
 
 Pull every configured subscription and mirror its markdown files into `.evolve/entities/subscribed/` so recall can include them automatically.
+
+## Environment Variables
+
+- `EVOLVE_DIR`: Override the default `.evolve` directory location for entities, sharing data, audit logs, and the mirrored subscription store.
+
+## Verification
+
+After installation, verify that:
+
+- `plugins/evolve-lite/` exists in the repo
+- `.agents/plugins/marketplace.json` contains the `evolve-lite` entry
+- `.codex/hooks.json` contains the Evolve `UserPromptSubmit` and `SessionStart` hooks
+
+You can also run:
+
+```bash
+platform-integrations/install.sh status
+```
+
+## Plugin Structure
+
+```text
+evolve-lite/
+├── .codex-plugin/
+│   └── plugin.json
+├── skills/
+│   ├── learn/
+│   │   ├── SKILL.md
+│   │   └── scripts/
+│   │       └── save_entities.py
+│   ├── recall/
+│   │   ├── SKILL.md
+│   │   └── scripts/
+│   │       └── retrieve_entities.py
+│   ├── publish/
+│   │   ├── SKILL.md
+│   │   └── scripts/
+│   │       └── publish.py
+│   ├── subscribe/
+│   │   ├── SKILL.md
+│   │   └── scripts/
+│   │       └── subscribe.py
+│   ├── unsubscribe/
+│   │   ├── SKILL.md
+│   │   └── scripts/
+│   │       └── unsubscribe.py
+│   └── sync/
+│       ├── SKILL.md
+│       └── scripts/
+│           └── sync.py
+├── README.md
+└── lib/                       # copied in at install time from the Claude plugin
+```