Add additionalMetadata sampleTag to all M365 Agents Toolkit samples

[Copilot]

All M365 Agents Toolkit based samples need an additionalMetadata.sampleTag property for telemetry, and AGENTS.md should document this for future submissions.

Sample YAML files (49 files modified)

Added the following block after version: in every m365agents.yml and teamsapp.yml that was missing it:

additionalMetadata:
  sampleTag: pnp-copilot-pro-dev:<sample-folder-name>

Also fixed da-ristorante-api/m365agents.yml which had an inconsistent prefix (copilot-pro-dev-samples: → pnp-copilot-pro-dev:).

AGENTS.md

• Added new m365agents.yml metadata section documenting the property and format
• Added rule: include additionalMetadata with correct sampleTag
• Added checklist item for additionalMetadata.sampleTag

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Add additionalMetadata property to M365 Agents Toolkit based samples</issue_title>
<issue_description>```yaml
additionalMetadata:
sampleTag: pnp-copilot-pro-dev:{sample-name}

We should also update AGENTS.md so that additionalMetadata property is included in new sample submissions</issue_description>

## Comments on the Issue (you are @copilot in this section)

<comments>
</comments>

• Fixes Add additionalMetadata property to M365 Agents Toolkit based samples #116

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[garrytrinder]

@copilot we only need to update the m365agents.yml file, you can ignore the environment variations of this file.

[Copilot]

@copilot we only need to update the m365agents.yml file, you can ignore the environment variations of this file.

Reverted all changes to teamsapp.yml, teamsapp.local.yml, and m365agents.local.yml files. Only m365agents.yml files are now modified. Also updated the AGENTS.md reference to remove the (or teamsapp.yml) mention. See commit eb7583f.

[garrytrinder]

@copilot let's also include teamsapp.yml files in these updates.

[Copilot]

@copilot let's also include teamsapp.yml files in these updates.

Added additionalMetadata.sampleTag to all 28 teamsapp.yml files that were missing it. See commit 60d7a8c.