[Feedback] :thumbsup: positive — cohort member lists and retention vs non-cohort users

## Feedback (positive)

**Question:** cohort member lists and retention vs non-cohort users
**Tool:** `query`
**Dataset:** `dbt.cohorts, dbt.cohort_members`

### Notes
Cohort membership data lives in dbt.cohorts and dbt.cohort_members — NOT in the semantic schema and NOT discoverable via list_datasets. Must use SHOW TABLES FROM dbt to find them. Schema: dbt.cohorts (cohort_id Int, cohort_name String, track String, start_date Date, end_date Date). dbt.cohort_members (cohort_id Int, track String, user_email String). Join keys: user_email → scope_cloud_events.user_email, user_email → posthog_events.daydream_user_email. These tables should be added to list_datasets / semantic schema.

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_Feedback ID: `35de64b9-e307-41ab-a53b-735617b428f7` | Recorded at 2026-03-09T21:54:06.705Z_

Start by inspecting the implementation of list_datasets and the semantic schema, then use SHOW TABLES FROM dbt to verify the cohort tables and their columns. The work is done when dbt.cohorts and dbt.cohort_members are discoverable through both interfaces with the documented user_email joins represented.

Written by the indexing model from the issue text.