Report the embedded release version

docs/cli.md

@@ -12,6 +12,7 @@ This runs the canonical full pipeline for session `2026-04-04`.
 
 Top-level commands:
 
+- `version`: print the Narratio build version.
 - `run <session_id>`: run all or one contiguous range of the canonical stage order.
 - `regenerate-artifacts <session_id>`: force-run extraction through analysis.
 - `run-stage <stage> <session_id>`: run one stage.
@@ -71,6 +72,15 @@ Commands with additional positionals keep their command-specific order:
 
 ## Command Reference
 
+### `version`
+
+```bash
+narratio version
+```
+
+Official release binaries report their exact Git tag. Binaries built directly
+from source without release linker metadata report `dev`.
+
 ### `run`
 
 ```bash