Two abap2UI5 apps side by side in the Fiori elements examples

[oblomov-dev]

What changes

The object pages of both Fiori elements examples now run two abap2UI5 apps, each in a section of its own and in a session of its own.

• fiori-elements (OData V4): a second custom section, placed after the first one (Abap2UI5SecondSection.fragment.xml). It is started with the same customer key.
• fiori-elements-v2 (OData V2): a second object page extension after a new facet Language (Abap2UI5Languages.fragment.xml). It is started with the country alone.
  • A facet takes only one extension after it, so the metadata extension gets a second facet (a field group with Language).
  • The mock annotations (Z2UI5_UI_EMBED_COUNTRY_O2_VAN.xml) change in the same commit, as AGENTS.md asks.
• abap/: a new class Z2UI5_CL_EMBED_LANGUAGES, the second app on a system. It lists the country's name in every language of the system, read from T005T joined with T002. The .clas.xml follows the existing CLAS sidecar.
• build-bsp.mjs: the patch of the branch rap is now a list of replacements, so rap starts Z2UI5_CL_EMBED_COUNTRY and Z2UI5_CL_EMBED_LANGUAGES. SHOWN also checks AfterFacet|Countries|Language. Locally both sections of both examples still run the hello world app.
• e2e:
  • One new test per example: two apps keep their states apart.
  • The existing tests take the first container and expect one start per section.
• READMEs and AGENTS.md now describe two sections.

Why

An object page with more than one thing the annotations cannot express needs more than one embedded app. The examples now show that and test it: two controls on one page means two independent sessions and one frontend bundle per page. The branch rap gives a complete demo on a system, for example as a GIF for a blog post. Each section shows a different app built from real system data.

Checked

• npm run lint, npm run format:check: clean.
• npm run abaplint: 0 issues.
• npx @abap2ui5/linter fiori-elements-v2/abap: 0 failing.
• npm run build: succeeds.
• ABAP2UI5_DIR=../abap2UI5 npm run bsp: out/rap/src/01 has the new class, and src/02 starts both classes.
• npx playwright test --project fiori-elements --project fiori-elements-v2 against @abap2ui5/node-runtime 1.146.0 on port 3000: 10 passed, 2 of them new.
• Not checked: activation of the changed metadata extension and the new class on a real system. abaplint does not activate CDS or RAP objects.

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https://claude.ai/code/session_01B8YZcvCPtVUaDxowHh6x1k

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