register-feature-flaglisted

# register-feature-flag ## Instructions 1. Open `install-dev/data/xml/feature_flag.xml`. 2. Add inside `<entities>`: ```xml <feature_flag id="{domain}"> <stability>beta</stability> <state>0</state> <label_wording>{Domain} page</label_wording> <label_domain>Admin.{Section}.Feature</label_domain> <description_wording>Enable the new Symfony-based {domain} management page (beta).</description_wording> <description_domain>Admin.{Section}.Feature</description_domain> </feature_flag> ``` 3. The `name` field (which maps to the `id` attribute in XML) must exactly match the `_legacy_feature_flag` values in the routing YAML. 4. Insert a row manually for local dev: `INSERT INTO ps_feature_flag (name, state, stability) VALUES ('{domain}', 0, 'beta');` 5. Enable for development: `UPDATE ps_feature_flag SET state=1 WHERE name='{domain}';` 6. Verify routing: visit legacy URL with flag OFF → legacy page. Enable flag → redirect to Symfony route. ## Rules Conventions (atomic commit, beta→stable lifecycle) are in [Controller/CONTEXT.md](../../CONTEXT.md). Skill-specific reminder: - state starts as 0 — contributors enable manually; merchants never see it until GA